* Package:    sci-mathematics/msieve-1.51
 * Repository: gentoo
 * Maintainer: patrick@gentoo.org
 * USE:        abi_x86_64 amd64 ecm elibc_glibc kernel_linux mpi userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking msieve151.tar.gz to /var/tmp/portage/sci-mathematics/msieve-1.51/work
>>> Source unpacked in /var/tmp/portage/sci-mathematics/msieve-1.51/work
>>> Preparing source in /var/tmp/portage/sci-mathematics/msieve-1.51/work/msieve-1.51 ...
 * Applying msieve-1.51-reduce-printf.patch ...
 [ ok ]
 * Applying fix-version.patch ...
 [ ok ]
 * Applying fix-version2.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sci-mathematics/msieve-1.51/work/msieve-1.51 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/sci-mathematics/msieve-1.51/work/msieve-1.51 ...
make -j1 CC=x86_64-pc-linux-gnu-gcc AR=x86_64-pc-linux-gnu-ar 'OPT_FLAGS=-O2 -pipe -march=native' all 
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/filter/clique.o common/filter/clique.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/filter/filter.o common/filter/filter.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/filter/merge.o common/filter/merge.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/filter/merge_post.o common/filter/merge_post.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/filter/merge_pre.o common/filter/merge_pre.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/filter/merge_util.o common/filter/merge_util.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/filter/singleton.o common/filter/singleton.c
common/filter/singleton.c: In function ‘filter_read_lp_file’:
common/filter/singleton.c:155:3: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
   fread(&tmp, sizeof(uint32), header_words, fp);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/filter/singleton.c:160:4: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
    fread(&curr_ideal, sizeof(uint32), (size_t)1, fp);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/filter/singleton.c:211:3: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
   fread(r, sizeof(uint32), header_words, fp);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/filter/singleton.c:217:4: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
    fread(&curr_ideal, sizeof(uint32), (size_t)1, fp);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/filter/singleton.c: In function ‘filter_read_lp_file_1pass’:
common/filter/singleton.c:41:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  fread(filter->relation_array, (size_t)1,
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    (size_t)filter->lp_file_size, fp);
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/filter/singleton.c: In function ‘filter_purge_lp_singletons’:
common/filter/singleton.c:296:3: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
   fread(&tmp, sizeof(uint32), header_words, in_fp);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/filter/singleton.c:297:3: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
   fread(ideal_list, sizeof(uint32),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    (size_t)tmp.ideal_count, in_fp);
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/filter/singleton.c:318:4: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
    fread(&tmp, sizeof(uint32), header_words, in_fp);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/filter/singleton.c:319:4: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
    fread(ideal_list, sizeof(uint32),
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      (size_t)tmp.ideal_count, in_fp);
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/filter/singleton.c:369:3: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
   fread(&tmp, sizeof(uint32), header_words, in_fp);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/filter/singleton.c:370:3: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
   fread(ideal_list, sizeof(uint32),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     (size_t)tmp.ideal_count, in_fp);
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/lanczos/lanczos.o common/lanczos/lanczos.c
common/lanczos/lanczos.c: In function ‘read_lanczos_state’:
common/lanczos/lanczos.c:662:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  fread(&read_n, sizeof(uint32), (size_t)1, dump_fp);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/lanczos/lanczos_io.o common/lanczos/lanczos_io.c
common/lanczos/lanczos_io.c: In function ‘read_cycles’:
common/lanczos/lanczos_io.c:257:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  fread(&num_cycles, sizeof(uint32), (size_t)1, cycle_fp);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/lanczos/lanczos_io.c: In function ‘read_matrix’:
common/lanczos/lanczos_io.c:461:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  fread(&max_nrows, sizeof(uint32), (size_t)1, matrix_fp);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/lanczos/lanczos_io.c:462:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  fread(&dense_rows, sizeof(uint32), (size_t)1, matrix_fp);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/lanczos/lanczos_io.c:463:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  fread(&max_ncols, sizeof(uint32), (size_t)1, matrix_fp);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/lanczos/lanczos_io.c: In function ‘find_submatrix_bounds’:
common/lanczos/lanczos_io.c:117:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  fread(&max_grid_cols, sizeof(uint32), (size_t)1, matrix_idx_fp);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/lanczos/lanczos_io.c:130:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  fread(&mat_block, sizeof(mat_block_t),
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     (size_t)1, matrix_idx_fp);
     ~~~~~~~~~~~~~~~~~~~~~~~~~
common/lanczos/lanczos_io.c:132:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  fread(&next_mat_block, sizeof(mat_block_t),
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     (size_t)1, matrix_idx_fp);
     ~~~~~~~~~~~~~~~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/lanczos/lanczos_matmul0.o common/lanczos/lanczos_matmul0.c
common/lanczos/lanczos_matmul0.c:235:12: warning: ‘compare_uint16’ defined but not used [-Wunused-function]
 static int compare_uint16(const void *x, const void *y) {
            ^~~~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/lanczos/lanczos_matmul1.o common/lanczos/lanczos_matmul1.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/lanczos/lanczos_matmul2.o common/lanczos/lanczos_matmul2.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/lanczos/lanczos_pre.o common/lanczos/lanczos_pre.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/lanczos/lanczos_vv.o common/lanczos/lanczos_vv.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/lanczos/matmul_util.o common/lanczos/matmul_util.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/smallfact/gmp_ecm.o common/smallfact/gmp_ecm.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/smallfact/smallfact.o common/smallfact/smallfact.c
common/smallfact/smallfact.c: In function ‘trial_factor’:
common/smallfact/smallfact.c:22:9: warning: variable ‘factor_found’ set but not used [-Wunused-but-set-variable]
  uint32 factor_found = 0;
         ^~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/smallfact/squfof.o common/smallfact/squfof.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/smallfact/tinyqs.o common/smallfact/tinyqs.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/batch_factor.o common/batch_factor.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/cuda_xface.o common/cuda_xface.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/dickman.o common/dickman.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/driver.o common/driver.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/expr_eval.o common/expr_eval.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/hashtable.o common/hashtable.c
In file included from common/hashtable.c:15:0:
include/common.h: In function ‘hash_function’:
include/common.h:183:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
   hashval ^= HASH2(data[3] ^ 0x0f0f0f0f);
           ^
include/common.h:184:2: note: here
  case 3:
  ^~~~
include/common.h:185:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
   hashval ^= HASH1(data[2] ^ 0x0f0f0f0f);
           ^
include/common.h:186:2: note: here
  case 2:
  ^~~~
include/common.h:187:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
   hashval ^= HASH2(data[1]);
           ^
include/common.h:188:2: note: here
  case 1:
  ^~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/integrate.o common/integrate.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/minimize.o common/minimize.c
common/minimize.c: In function ‘solve_dmatrix’:
common/minimize.c:421:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < n; i++)
                ^
common/minimize.c:424:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < n - 1; i++) {
                ^
common/minimize.c:431:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (j = i + 1; j < n; j++) {
                     ^
common/minimize.c:444:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (j = i + 1; j < n; j++) {
                     ^
common/minimize.c:448:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (k = i + 1; k < n; k++) {
                      ^
common/minimize.c:460:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (j = i + 1; j < n; j++) {
                     ^
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/minimize_global.o common/minimize_global.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/mp.o common/mp.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/polyroot.o common/polyroot.c
common/polyroot.c:38:21: warning: ‘are’ defined but not used [-Wunused-const-variable=]
 static const double are = DBL_EPSILON;
                     ^~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/prime_delta.o common/prime_delta.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/prime_sieve.o common/prime_sieve.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/savefile.o common/savefile.c
common/savefile.c: In function ‘savefile_open’:
common/savefile.c:122:9: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
   s->fp = gzopen(name_gz, open_string);
         ^
common/savefile.c:148:10: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
    s->fp = gzopen(s->name, "a");
          ^
common/savefile.c:154:9: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
   s->fp = gzopen(s->name, open_string);
         ^
common/savefile.c: In function ‘savefile_close’:
common/savefile.c:173:49: warning: passing argument 1 of ‘gzclose’ from incompatible pointer type [-Wincompatible-pointer-types]
  s->is_a_FILE ? fclose((FILE *)s->fp) : gzclose(s->fp);
                                                 ^
In file included from include/util.h:46:0,
                 from include/msieve.h:24,
                 from include/common.h:18,
                 from common/savefile.c:15:
/usr/include/zlib.h:1631:24: note: expected ‘gzFile {aka struct gzFile_s *}’ but argument is of type ‘struct gzFile_s **’
 ZEXTERN int ZEXPORT    gzclose _Z_OF((gzFile file));
                        ^~~~~~~
common/savefile.c: In function ‘savefile_eof’:
common/savefile.c:184:53: warning: passing argument 1 of ‘gzeof’ from incompatible pointer type [-Wincompatible-pointer-types]
  return (s->is_a_FILE ? feof((FILE *)s->fp) : gzeof(s->fp));
                                                     ^
In file included from include/util.h:46:0,
                 from include/msieve.h:24,
                 from include/common.h:18,
                 from common/savefile.c:15:
/usr/include/zlib.h:1595:21: note: expected ‘gzFile {aka struct gzFile_s *}’ but argument is of type ‘struct gzFile_s **’
 ZEXTERN int ZEXPORT gzeof _Z_OF((gzFile file));
                     ^~~~~
common/savefile.c: In function ‘savefile_read_line’:
common/savefile.c:242:9: warning: passing argument 1 of ‘gzgets’ from incompatible pointer type [-Wincompatible-pointer-types]
  gzgets(s->fp, buf, (int)max_len);
         ^
In file included from include/util.h:46:0,
                 from include/msieve.h:24,
                 from include/common.h:18,
                 from common/savefile.c:15:
/usr/include/zlib.h:1492:24: note: expected ‘gzFile {aka struct gzFile_s *}’ but argument is of type ‘struct gzFile_s **’
 ZEXTERN char * ZEXPORT gzgets _Z_OF((gzFile file, char *buf, int len));
                        ^~~~~~
common/savefile.c: In function ‘savefile_flush’:
common/savefile.c:270:10: warning: passing argument 1 of ‘gzputs’ from incompatible pointer type [-Wincompatible-pointer-types]
   gzputs(s->fp, s->buf);
          ^
In file included from include/util.h:46:0,
                 from include/msieve.h:24,
                 from include/common.h:18,
                 from common/savefile.c:15:
/usr/include/zlib.h:1484:21: note: expected ‘gzFile {aka struct gzFile_s *}’ but argument is of type ‘struct gzFile_s **’
 ZEXTERN int ZEXPORT gzputs _Z_OF((gzFile file, const char *s));
                     ^~~~~~
common/savefile.c: In function ‘savefile_rewind’:
common/savefile.c:289:50: warning: passing argument 1 of ‘gzrewind’ from incompatible pointer type [-Wincompatible-pointer-types]
  s->is_a_FILE ? rewind((FILE *)s->fp) : gzrewind(s->fp);
                                                  ^
In file included from include/util.h:46:0,
                 from include/msieve.h:24,
                 from include/common.h:18,
                 from common/savefile.c:15:
/usr/include/zlib.h:1567:24: note: expected ‘gzFile {aka struct gzFile_s *}’ but argument is of type ‘struct gzFile_s **’
 ZEXTERN int ZEXPORT    gzrewind _Z_OF((gzFile file));
                        ^~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/strtoll.o common/strtoll.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/thread.o common/thread.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o common/util.o common/util.c
common/util.c: In function ‘get_cpu_type’:
common/util.c:456:17: warning: variable ‘model’ set but not used [-Wunused-but-set-variable]
   uint8 family, model;
                 ^~~~~
common/util.c: In function ‘set_idle_priority’:
common/util.c:120:2: warning: ignoring return value of ‘nice’, declared with attribute warn_unused_result [-Wunused-result]
  nice(100);
  ^~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o mpqs/gf2.qo mpqs/gf2.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o mpqs/mpqs.qo mpqs/mpqs.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o mpqs/poly.qo mpqs/poly.c
mpqs/poly.c: In function ‘poly_init’:
mpqs/poly.c:193:25: warning: this statement may fall through [-Wimplicit-fallthrough=]
     conf->factor_bits[2]--;
     ~~~~~~~~~~~~~~~~~~~~^~
mpqs/poly.c:194:4: note: here
    case 9:
    ^~~~
mpqs/poly.c:203:37: warning: this statement may fall through [-Wimplicit-fallthrough=]
     conf->factor_bits[num_factors-3]--;
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
mpqs/poly.c:204:4: note: here
    case 9:
    ^~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o mpqs/relation.qo mpqs/relation.c
mpqs/relation.c: In function ‘qs_filter_relations’:
mpqs/relation.c:807:9: warning: variable ‘poly_saved’ set but not used [-Wunused-but-set-variable]
  uint32 poly_saved;
         ^~~~~~~~~~
mpqs/relation.c:804:21: warning: variable ‘curr_poly_idx’ set but not used [-Wunused-but-set-variable]
  uint32 curr_a_idx, curr_poly_idx, curr_rel;
                     ^~~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o mpqs/sieve.qo mpqs/sieve.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -c -o mpqs/sqrt.qo mpqs/sqrt.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -DBLOCK_KB=32 -DHAS_SSE2 \
	-DROUTINE_NAME=qs_core_sieve_generic_32k \
	-c -o mpqs/sieve_core_generic_32k.qo mpqs/sieve_core.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -DBLOCK_KB=64 -DHAS_SSE2 \
	-DROUTINE_NAME=qs_core_sieve_generic_64k \
	-c -o mpqs/sieve_core_generic_64k.qo mpqs/sieve_core.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/poly.no gnfs/poly/poly.c
gnfs/poly/poly.c: In function ‘read_poly’:
gnfs/poly/poly.c:28:8: warning: variable ‘status’ set but not used [-Wunused-but-set-variable]
  int32 status = 0;
        ^~~~~~
gnfs/poly/poly.c:35:2: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  fgets(buf, (int)sizeof(buf), fp);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/poly/poly.c:60:2: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  fgets(buf, (int)sizeof(buf), fp);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/poly/poly.c:64:3: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
   fgets(buf, (int)sizeof(buf), fp);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/poly_param.no gnfs/poly/poly_param.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/poly_skew.no gnfs/poly/poly_skew.c
gnfs/poly/poly_skew.c: In function ‘sizeopt_callback’:
gnfs/poly/poly_skew.c:85:37: warning: unused parameter ‘deg’ [-Wunused-parameter]
 static void sizeopt_callback(uint32 deg, mpz_t *alg_coeffs, mpz_t *rat_coeffs,
                                     ^~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/polyutil.no gnfs/poly/polyutil.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/root_score.no gnfs/poly/root_score.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/size_score.no gnfs/poly/size_score.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage1/stage1.no gnfs/poly/stage1/stage1.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage1/stage1_roots.no gnfs/poly/stage1/stage1_roots.c
gnfs/poly/stage1/stage1_roots.c: In function ‘combine_roots’:
gnfs/poly/stage1/stage1_roots.c:449:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
    accum[6] = accum[7] + (uint64)prod[6] * roots[6][i6];
    ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/poly/stage1/stage1_roots.c:450:2: note: here
  case 6:
  ^~~~
gnfs/poly/stage1/stage1_roots.c:452:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
    accum[5] = accum[6] + (uint64)prod[5] * roots[5][i5];
    ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/poly/stage1/stage1_roots.c:453:2: note: here
  case 5:
  ^~~~
gnfs/poly/stage1/stage1_roots.c:455:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
    accum[4] = accum[5] + (uint64)prod[4] * roots[4][i4];
    ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/poly/stage1/stage1_roots.c:456:2: note: here
  case 4:
  ^~~~
gnfs/poly/stage1/stage1_roots.c:458:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
    accum[3] = accum[4] + (uint64)prod[3] * roots[3][i3];
    ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/poly/stage1/stage1_roots.c:459:2: note: here
  case 3:
  ^~~~
gnfs/poly/stage1/stage1_roots.c:461:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
    accum[2] = accum[3] + (uint64)prod[2] * roots[2][i2];
    ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/poly/stage1/stage1_roots.c:462:2: note: here
  case 2:
  ^~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage2/optimize.no gnfs/poly/stage2/optimize.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage2/optimize_deg6.no gnfs/poly/stage2/optimize_deg6.c
gnfs/poly/stage2/optimize_deg6.c: In function ‘poly_eval’:
gnfs/poly/stage2/optimize_deg6.c:208:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (k = 0; k < pow; k++)
                   ^
gnfs/poly/stage2/optimize_deg6.c: In function ‘fill_powers’:
gnfs/poly/stage2/optimize_deg6.c:406:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (j = 2; j <= max_pow; j++)
                 ^~
gnfs/poly/stage2/optimize_deg6.c: In function ‘optimize_initial_deg6’:
gnfs/poly/stage2/optimize_deg6.c:722:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < (1 << (num_vars - 1)); i++) {
                ^
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage2/root_sieve.no gnfs/poly/stage2/root_sieve.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage2/root_sieve_deg45_x.no gnfs/poly/stage2/root_sieve_deg45_x.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage2/root_sieve_deg5_xy.no gnfs/poly/stage2/root_sieve_deg5_xy.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage2/root_sieve_deg6_x.no gnfs/poly/stage2/root_sieve_deg6_x.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage2/root_sieve_deg6_xy.no gnfs/poly/stage2/root_sieve_deg6_xy.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage2/root_sieve_deg6_xyz.no gnfs/poly/stage2/root_sieve_deg6_xyz.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage2/root_sieve_line.no gnfs/poly/stage2/root_sieve_line.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage2/root_sieve_util.no gnfs/poly/stage2/root_sieve_util.c
gnfs/poly/stage2/root_sieve_util.c: In function ‘compute_lattices’:
gnfs/poly/stage2/root_sieve_util.c:140:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  for (j = 0; j < dim; j++) {    \
  ^
gnfs/poly/stage2/root_sieve_util.c:174:4: note: in expansion of macro ‘CRT_ACCUM’
    CRT_ACCUM(9)
    ^~~~~~~~~
gnfs/poly/stage2/root_sieve_util.c:175:2: note: here
  case 9:
  ^~~~
gnfs/poly/stage2/root_sieve_util.c:140:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  for (j = 0; j < dim; j++) {    \
  ^
gnfs/poly/stage2/root_sieve_util.c:177:4: note: in expansion of macro ‘CRT_ACCUM’
    CRT_ACCUM(8)
    ^~~~~~~~~
gnfs/poly/stage2/root_sieve_util.c:178:2: note: here
  case 8:
  ^~~~
gnfs/poly/stage2/root_sieve_util.c:140:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  for (j = 0; j < dim; j++) {    \
  ^
gnfs/poly/stage2/root_sieve_util.c:180:4: note: in expansion of macro ‘CRT_ACCUM’
    CRT_ACCUM(7)
    ^~~~~~~~~
gnfs/poly/stage2/root_sieve_util.c:181:2: note: here
  case 7:
  ^~~~
gnfs/poly/stage2/root_sieve_util.c:140:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  for (j = 0; j < dim; j++) {    \
  ^
gnfs/poly/stage2/root_sieve_util.c:183:4: note: in expansion of macro ‘CRT_ACCUM’
    CRT_ACCUM(6)
    ^~~~~~~~~
gnfs/poly/stage2/root_sieve_util.c:184:2: note: here
  case 6:
  ^~~~
gnfs/poly/stage2/root_sieve_util.c:140:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  for (j = 0; j < dim; j++) {    \
  ^
gnfs/poly/stage2/root_sieve_util.c:186:4: note: in expansion of macro ‘CRT_ACCUM’
    CRT_ACCUM(5)
    ^~~~~~~~~
gnfs/poly/stage2/root_sieve_util.c:187:2: note: here
  case 5:
  ^~~~
gnfs/poly/stage2/root_sieve_util.c:140:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  for (j = 0; j < dim; j++) {    \
  ^
gnfs/poly/stage2/root_sieve_util.c:189:4: note: in expansion of macro ‘CRT_ACCUM’
    CRT_ACCUM(4)
    ^~~~~~~~~
gnfs/poly/stage2/root_sieve_util.c:190:2: note: here
  case 4:
  ^~~~
gnfs/poly/stage2/root_sieve_util.c:140:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  for (j = 0; j < dim; j++) {    \
  ^
gnfs/poly/stage2/root_sieve_util.c:192:4: note: in expansion of macro ‘CRT_ACCUM’
    CRT_ACCUM(3)
    ^~~~~~~~~
gnfs/poly/stage2/root_sieve_util.c:193:2: note: here
  case 3:
  ^~~~
gnfs/poly/stage2/root_sieve_util.c:140:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  for (j = 0; j < dim; j++) {    \
  ^
gnfs/poly/stage2/root_sieve_util.c:195:4: note: in expansion of macro ‘CRT_ACCUM’
    CRT_ACCUM(2)
    ^~~~~~~~~
gnfs/poly/stage2/root_sieve_util.c:196:2: note: here
  case 2:
  ^~~~
gnfs/poly/stage2/root_sieve_util.c:140:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  for (j = 0; j < dim; j++) {    \
  ^
gnfs/poly/stage2/root_sieve_util.c:198:4: note: in expansion of macro ‘CRT_ACCUM’
    CRT_ACCUM(1)
    ^~~~~~~~~
gnfs/poly/stage2/root_sieve_util.c:199:2: note: here
  default:
  ^~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage2/stage2.no gnfs/poly/stage2/stage2.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/filter/duplicate.no gnfs/filter/duplicate.c
gnfs/filter/duplicate.c: In function ‘purge_duplicates_pass2’:
gnfs/filter/duplicate.c:113:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  fread(&next_bad_relation, (size_t)1,
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    sizeof(uint32), bad_relation_fp);
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/filter/duplicate.c:138:4: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
    fread(&next_bad_relation, (size_t)1,
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      sizeof(uint32), bad_relation_fp);
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/filter/filter.no gnfs/filter/filter.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/filter/singleton.no gnfs/filter/singleton.c
gnfs/filter/singleton.c: In function ‘nfs_write_lp_file’:
gnfs/filter/singleton.c:73:2: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  fread(&next_relation, (size_t)1,
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    sizeof(uint32), relation_fp);
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/filter/singleton.c:92:5: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
     fread(&next_relation, sizeof(uint32),
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       (size_t)1, relation_fp);
       ~~~~~~~~~~~~~~~~~~~~~~~
gnfs/filter/singleton.c:103:4: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
    fread(&next_relation, sizeof(uint32),
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      (size_t)1, relation_fp);
      ~~~~~~~~~~~~~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/sieve/sieve_line.no gnfs/sieve/sieve_line.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/sieve/sieve_util.no gnfs/sieve/sieve_util.c
gnfs/sieve/sieve_util.c: In function ‘read_last_line’:
gnfs/sieve/sieve_util.c:143:2: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  fgets(buf, (int)sizeof(buf), linefile);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/sieve/sieve_util.c:148:3: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
   fgets(buf, (int)sizeof(buf), linefile);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/sqrt/sqrt.no gnfs/sqrt/sqrt.c
gnfs/sqrt/sqrt.c: In function ‘nfs_find_factors’:
gnfs/sqrt/sqrt.c:350:8: warning: ‘lower_limit’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   lo = strtoul(lower_limit, NULL, 10);
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/sqrt/sqrt_a.no gnfs/sqrt/sqrt_a.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/fb.no gnfs/fb.c
gnfs/fb.c: In function ‘read_factor_base’:
gnfs/fb.c:182:2: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  fgets(buf, (int)sizeof(buf), fp);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/fb.c:193:4: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
    fgets(buf, (int)sizeof(buf), fp);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/fb.c:224:3: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
   fgets(buf, (int)sizeof(buf), fp);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/fb.c:247:2: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  fgets(buf, (int)sizeof(buf), fp);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/fb.c:249:3: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
   fgets(buf, (int)sizeof(buf), fp);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/fb.c:274:3: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
   fgets(buf, (int)sizeof(buf), fp);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gnfs/fb.c:300:3: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
   fgets(buf, (int)sizeof(buf), fp);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/ffpoly.no gnfs/ffpoly.c
gnfs/ffpoly.c: In function ‘poly_expo_square’:
gnfs/ffpoly.c:484:20: warning: this statement may fall through [-Wimplicit-fallthrough=]
     case 7: acc[7] = sqr_mac(OP1(7), OP1(i), acc[6],
             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          q, MOD(7), psq);
          ~~~~~~~~~~~~~~~
gnfs/ffpoly.c:486:3: note: here
   case 6: acc[6] = sqr_mac(OP1(6), OP1(i), acc[5],
   ^~~~
gnfs/ffpoly.c:486:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
   case 6: acc[6] = sqr_mac(OP1(6), OP1(i), acc[5],
           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        q, MOD(6), psq);
        ~~~~~~~~~~~~~~~
gnfs/ffpoly.c:488:3: note: here
   case 5: acc[5] = sqr_mac(OP1(5), OP1(i), acc[4],
   ^~~~
gnfs/ffpoly.c:488:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
   case 5: acc[5] = sqr_mac(OP1(5), OP1(i), acc[4],
           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        q, MOD(5), psq);
        ~~~~~~~~~~~~~~~
gnfs/ffpoly.c:490:3: note: here
   case 4: acc[4] = sqr_mac(OP1(4), OP1(i), acc[3],
   ^~~~
gnfs/ffpoly.c:490:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
   case 4: acc[4] = sqr_mac(OP1(4), OP1(i), acc[3],
           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        q, MOD(4), psq);
        ~~~~~~~~~~~~~~~
gnfs/ffpoly.c:492:3: note: here
   case 3: acc[3] = sqr_mac(OP1(3), OP1(i), acc[2],
   ^~~~
gnfs/ffpoly.c:492:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
   case 3: acc[3] = sqr_mac(OP1(3), OP1(i), acc[2],
           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        q, MOD(3), psq);
        ~~~~~~~~~~~~~~~
gnfs/ffpoly.c:494:3: note: here
   case 2: acc[2] = sqr_mac(OP1(2), OP1(i), acc[1],
   ^~~~
gnfs/ffpoly.c:494:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
   case 2: acc[2] = sqr_mac(OP1(2), OP1(i), acc[1],
           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        q, MOD(2), psq);
        ~~~~~~~~~~~~~~~
gnfs/ffpoly.c:496:3: note: here
   case 1: acc[1] = sqr_mac(OP1(1), OP1(i), acc[0],
   ^~~~
gnfs/ffpoly.c:496:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
   case 1: acc[1] = sqr_mac(OP1(1), OP1(i), acc[0],
           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        q, MOD(1), psq);
        ~~~~~~~~~~~~~~~
gnfs/ffpoly.c:498:3: note: here
   case 0: acc[0] = sqr_mac0(OP1(0), OP1(i), q, MOD(0), psq);
   ^~~~
gnfs/ffpoly.c: In function ‘poly_expo_modmul’:
gnfs/ffpoly.c:456:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
  case 7: OP1(7) = mul_mac(OP1(7), shift, OP1(6), q, MOD(7), p, psq);
                 ^
gnfs/ffpoly.c:457:2: note: here
  case 6: OP1(6) = mul_mac(OP1(6), shift, OP1(5), q, MOD(6), p, psq);
  ^~~~
gnfs/ffpoly.c:457:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
  case 6: OP1(6) = mul_mac(OP1(6), shift, OP1(5), q, MOD(6), p, psq);
                 ^
gnfs/ffpoly.c:458:2: note: here
  case 5: OP1(5) = mul_mac(OP1(5), shift, OP1(4), q, MOD(5), p, psq);
  ^~~~
gnfs/ffpoly.c:458:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
  case 5: OP1(5) = mul_mac(OP1(5), shift, OP1(4), q, MOD(5), p, psq);
                 ^
gnfs/ffpoly.c:459:2: note: here
  case 4: OP1(4) = mul_mac(OP1(4), shift, OP1(3), q, MOD(4), p, psq);
  ^~~~
gnfs/ffpoly.c:459:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
  case 4: OP1(4) = mul_mac(OP1(4), shift, OP1(3), q, MOD(4), p, psq);
                 ^
gnfs/ffpoly.c:460:2: note: here
  case 3: OP1(3) = mul_mac(OP1(3), shift, OP1(2), q, MOD(3), p, psq);
  ^~~~
gnfs/ffpoly.c:460:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
  case 3: OP1(3) = mul_mac(OP1(3), shift, OP1(2), q, MOD(3), p, psq);
                 ^
gnfs/ffpoly.c:461:2: note: here
  case 2: OP1(2) = mul_mac(OP1(2), shift, OP1(1), q, MOD(2), p, psq);
  ^~~~
gnfs/ffpoly.c:461:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
  case 2: OP1(2) = mul_mac(OP1(2), shift, OP1(1), q, MOD(2), p, psq);
                 ^
gnfs/ffpoly.c:462:2: note: here
  case 1: OP1(1) = mul_mac(OP1(1), shift, OP1(0), q, MOD(1), p, psq);
  ^~~~
gnfs/ffpoly.c:462:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
  case 1: OP1(1) = mul_mac(OP1(1), shift, OP1(0), q, MOD(1), p, psq);
                 ^
gnfs/ffpoly.c:463:2: note: here
  case 0: OP1(0) = mul_mac(OP1(0), shift,   zero, q, MOD(0), p, psq);
  ^~~~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/gf2.no gnfs/gf2.c
gnfs/gf2.c: In function ‘nfs_solve_linear_system’:
gnfs/gf2.c:636:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (obj->mpi_size != mpi_nrows * mpi_ncols) {
                     ^~
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/gnfs.no gnfs/gnfs.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/relation.no gnfs/relation.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI -Ignfs -c -o gnfs/poly/stage1/stage1_sieve_cpu.no gnfs/poly/stage1/stage1_sieve_cpu.c
rm -f libmsieve.a
ar r libmsieve.a common/filter/clique.o common/filter/filter.o common/filter/merge.o common/filter/merge_post.o common/filter/merge_pre.o common/filter/merge_util.o common/filter/singleton.o common/lanczos/lanczos.o common/lanczos/lanczos_io.o common/lanczos/lanczos_matmul0.o common/lanczos/lanczos_matmul1.o common/lanczos/lanczos_matmul2.o common/lanczos/lanczos_pre.o common/lanczos/lanczos_vv.o common/lanczos/matmul_util.o common/smallfact/gmp_ecm.o common/smallfact/smallfact.o common/smallfact/squfof.o common/smallfact/tinyqs.o common/batch_factor.o common/cuda_xface.o common/dickman.o common/driver.o common/expr_eval.o common/hashtable.o common/integrate.o common/minimize.o common/minimize_global.o common/mp.o common/polyroot.o common/prime_delta.o common/prime_sieve.o common/savefile.o common/strtoll.o common/thread.o common/util.o mpqs/gf2.qo mpqs/mpqs.qo mpqs/poly.qo mpqs/relation.qo mpqs/sieve.qo mpqs/sqrt.qo mpqs/sieve_core_generic_32k.qo mpqs/sieve_core_generic_64k.qo gnfs/poly/poly.no gnfs/poly/poly_param.no gnfs/poly/poly_skew.no gnfs/poly/polyutil.no gnfs/poly/root_score.no gnfs/poly/size_score.no gnfs/poly/stage1/stage1.no gnfs/poly/stage1/stage1_roots.no gnfs/poly/stage2/optimize.no gnfs/poly/stage2/optimize_deg6.no gnfs/poly/stage2/root_sieve.no gnfs/poly/stage2/root_sieve_deg45_x.no gnfs/poly/stage2/root_sieve_deg5_xy.no gnfs/poly/stage2/root_sieve_deg6_x.no gnfs/poly/stage2/root_sieve_deg6_xy.no gnfs/poly/stage2/root_sieve_deg6_xyz.no gnfs/poly/stage2/root_sieve_line.no gnfs/poly/stage2/root_sieve_util.no gnfs/poly/stage2/stage2.no gnfs/filter/duplicate.no gnfs/filter/filter.no gnfs/filter/singleton.no gnfs/sieve/sieve_line.no gnfs/sieve/sieve_util.no gnfs/sqrt/sqrt.no gnfs/sqrt/sqrt_a.no gnfs/fb.no gnfs/ffpoly.no gnfs/gf2.no gnfs/gnfs.no gnfs/relation.no gnfs/poly/stage1/stage1_sieve_cpu.no gnfs/poly/stage1/stage1_sieve_cpu.no
ar: creating libmsieve.a
ranlib libmsieve.a
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -O2 -pipe -march=native  -Wall -W -DMSIEVE_SVN_VERSION="\"Unversioned directory\"" -I. -Iinclude -Ignfs -Ignfs/poly -Ignfs/poly/stage1 -DHAVE_GMP_ECM -DHAVE_MPI demo.c -o msieve -Wl,-O1 -Wl,--as-needed \
		libmsieve.a -lecm -lgomp -ldl -lz -lgmp -lm -lpthread
demo.c: In function ‘get_random_seeds’:
demo.c:54:3: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
   fread(&tmp_seed1, sizeof(uint32), (size_t)1, rand_device);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
demo.c:55:3: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
   fread(&tmp_seed2, sizeof(uint32), (size_t)1, rand_device);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
demo.c: In function ‘main’:
demo.c:436:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
       flags |= MSIEVE_FLAG_NFS_LA_RESTART;
       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
demo.c:437:6: note: here
      case '2': /* fall through */
      ^~~~
demo.c:566:4: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
    fgets(buf, (int)sizeof(buf), stdin);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
demo.c:586:4: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
    fgets(buf, (int)sizeof(buf), infile);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/7.3.0/../../../../x86_64-pc-linux-gnu/bin/ld: libmsieve.a(matmul_util.o): warning: relocation against `ompi_mpi_comm_world' in readonly section `.text'
libmsieve.a(driver.o): In function `msieve_run':
driver.c:(.text+0x109d): undefined reference to `ompi_mpi_comm_world'
driver.c:(.text+0x10a5): undefined reference to `MPI_Comm_size'
driver.c:(.text+0x10bb): undefined reference to `ompi_mpi_comm_world'
driver.c:(.text+0x10c0): undefined reference to `MPI_Comm_rank'
driver.c:(.text+0x135a): undefined reference to `ompi_mpi_comm_world'
driver.c:(.text+0x1362): undefined reference to `MPI_Abort'
driver.c:(.text+0x1392): undefined reference to `ompi_mpi_comm_world'
driver.c:(.text+0x139a): undefined reference to `MPI_Abort'
libmsieve.a(lanczos.o): In function `read_lanczos_state':
lanczos.c:(.text+0x49a): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x4d7): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x500): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x521): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x54a): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x56b): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x595): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x5b7): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x5e2): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x604): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x64b): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x678): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x692): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x6c4): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x6ea): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x70e): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x749): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x758): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x782): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x7a6): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x8e2): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x8e9): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x91a): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x922): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x95b): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x963): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x99b): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x9a3): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x9db): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x9e3): undefined reference to `MPI_Abort'
lanczos.c:(.text+0xa1b): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0xa23): undefined reference to `MPI_Abort'
lanczos.c:(.text+0xa52): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0xa5a): undefined reference to `MPI_Abort'
lanczos.c:(.text+0xa93): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0xa9b): undefined reference to `MPI_Abort'
lanczos.c:(.text+0xad3): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0xadb): undefined reference to `MPI_Abort'
lanczos.c:(.text+0xb13): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0xb1b): undefined reference to `MPI_Abort'
libmsieve.a(lanczos.o): In function `block_lanczos':
lanczos.c:(.text+0xc5c): undefined reference to `ompi_mpi_int'
lanczos.c:(.text+0xc61): undefined reference to `MPI_Bcast'
lanczos.c:(.text+0xc8d): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0xc94): undefined reference to `MPI_Abort'
lanczos.c:(.text+0xd03): undefined reference to `ompi_mpi_int'
lanczos.c:(.text+0xd2c): undefined reference to `MPI_Allgather'
lanczos.c:(.text+0xd5d): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0xd65): undefined reference to `MPI_Abort'
lanczos.c:(.text+0xd6c): undefined reference to `ompi_mpi_int'
lanczos.c:(.text+0xd95): undefined reference to `MPI_Allgather'
lanczos.c:(.text+0xdc5): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0xdcd): undefined reference to `MPI_Abort'
lanczos.c:(.text+0xdf9): undefined reference to `ompi_mpi_int'
lanczos.c:(.text+0xe22): undefined reference to `MPI_Allgather'
lanczos.c:(.text+0xe51): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0xe59): undefined reference to `MPI_Abort'
lanczos.c:(.text+0xe60): undefined reference to `ompi_mpi_int'
lanczos.c:(.text+0xe89): undefined reference to `MPI_Allgather'
lanczos.c:(.text+0xeb7): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0xebe): undefined reference to `MPI_Abort'
lanczos.c:(.text+0xf02): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0xf24): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0xf54): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0xf5b): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x1886): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x1896): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x18c6): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x18cd): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x18f8): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x1918): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x1948): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x194f): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x197a): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x199b): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x19cb): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x19d2): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x19fd): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x1a1e): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x1a4e): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x1a55): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x1a95): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x1aae): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x1acb): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x1b04): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x1b68): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x1b6d): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x1b9e): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x1bc7): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x2285): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x22ec): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x231d): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x2325): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x233d): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x2377): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x23a8): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x23b0): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x23c8): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x2402): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x2433): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x243b): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x2453): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x248d): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x24be): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x24c6): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x24db): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x2515): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x2546): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x254e): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x2581): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x25ad): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x25c4): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x2605): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x2629): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x265d): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x269c): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x26b5): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x26d9): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x270a): undefined reference to `MPI_Gatherv'
lanczos.c:(.text+0x2af9): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x2afe): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x2d50): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x2d77): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x2d91): undefined reference to `ompi_mpi_long_long_int'
lanczos.c:(.text+0x2dd5): undefined reference to `MPI_Scatterv'
lanczos.c:(.text+0x31c2): undefined reference to `ompi_mpi_int'
lanczos.c:(.text+0x31ce): undefined reference to `MPI_Bcast'
lanczos.c:(.text+0x36a8): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x36af): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x36da): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x36e1): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x373d): undefined reference to `ompi_mpi_int'
lanczos.c:(.text+0x3769): undefined reference to `MPI_Gather'
lanczos.c:(.text+0x3797): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x379e): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x37a5): undefined reference to `ompi_mpi_int'
lanczos.c:(.text+0x37d1): undefined reference to `MPI_Gather'
lanczos.c:(.text+0x3805): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x380c): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3820): undefined reference to `ompi_mpi_int'
lanczos.c:(.text+0x384c): undefined reference to `MPI_Gather'
lanczos.c:(.text+0x387c): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3883): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x388a): undefined reference to `ompi_mpi_int'
lanczos.c:(.text+0x38b6): undefined reference to `MPI_Gather'
lanczos.c:(.text+0x38e8): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x38ef): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3be2): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3be9): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3c24): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3c2b): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3c56): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3c5d): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3c88): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3c90): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3cc9): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3cd1): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3d05): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3d0d): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3d41): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3d49): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3d7d): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3d85): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3e37): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3e3e): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3f00): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3f0a): undefined reference to `MPI_Abort'
lanczos.c:(.text+0x3fa8): undefined reference to `ompi_mpi_comm_world'
lanczos.c:(.text+0x3fb0): undefined reference to `MPI_Abort'
libmsieve.a(lanczos_io.o): In function `read_matrix':
lanczos_io.c:(.text+0xe7e): undefined reference to `ompi_mpi_int'
lanczos_io.c:(.text+0xe87): undefined reference to `MPI_Bcast'
lanczos_io.c:(.text+0xec1): undefined reference to `ompi_mpi_int'
lanczos_io.c:(.text+0xecd): undefined reference to `MPI_Bcast'
lanczos_io.c:(.text+0xefd): undefined reference to `ompi_mpi_comm_world'
lanczos_io.c:(.text+0xf04): undefined reference to `MPI_Abort'
lanczos_io.c:(.text+0xff9): undefined reference to `ompi_mpi_comm_world'
lanczos_io.c:(.text+0x1001): undefined reference to `MPI_Abort'
/var/tmp/portage/sci-mathematics/msieve-1.51/temp/cc9C72br.o: In function `main':
demo.c:(.text.startup+0xac): undefined reference to `MPI_Init_thread'
demo.c:(.text.startup+0x26f): undefined reference to `MPI_Finalize'
demo.c:(.text.startup+0x501): undefined reference to `ompi_mpi_comm_world'
demo.c:(.text.startup+0x508): undefined reference to `MPI_Abort'
libmsieve.a(gf2.no): In function `nfs_solve_linear_system':
gf2.c:(.text+0x121b): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x1220): undefined reference to `MPI_Abort'
gf2.c:(.text+0x1249): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x1251): undefined reference to `MPI_Cart_create'
gf2.c:(.text+0x126a): undefined reference to `MPI_Comm_rank'
gf2.c:(.text+0x128a): undefined reference to `MPI_Cart_coords'
gf2.c:(.text+0x12cf): undefined reference to `MPI_Cart_sub'
gf2.c:(.text+0x1302): undefined reference to `MPI_Cart_sub'
gf2.c:(.text+0x1420): undefined reference to `MPI_Comm_free'
gf2.c:(.text+0x1432): undefined reference to `MPI_Comm_free'
gf2.c:(.text+0x1445): undefined reference to `MPI_Comm_free'
gf2.c:(.text+0x1610): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x1615): undefined reference to `MPI_Abort'
gf2.c:(.text+0x1642): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x1649): undefined reference to `MPI_Abort'
gf2.c:(.text+0x167a): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x1682): undefined reference to `MPI_Abort'
gf2.c:(.text+0x16b2): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x16ba): undefined reference to `MPI_Abort'
gf2.c:(.text+0x16f1): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x16f9): undefined reference to `MPI_Abort'
gf2.c:(.text+0x1731): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x1739): undefined reference to `MPI_Abort'
gf2.c:(.text+0x176a): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x1771): undefined reference to `MPI_Abort'
gf2.c:(.text+0x17c2): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x17c9): undefined reference to `MPI_Abort'
gf2.c:(.text+0x17fa): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x1801): undefined reference to `MPI_Abort'
gf2.c:(.text+0x1841): undefined reference to `MPI_Barrier'
gf2.c:(.text+0x1878): undefined reference to `ompi_mpi_comm_world'
gf2.c:(.text+0x1880): undefined reference to `MPI_Abort'
libmsieve.a(matmul_util.o): In function `global_xor':
matmul_util.c:(.text+0x1ae): undefined reference to `ompi_mpi_long_long_int'
matmul_util.c:(.text+0x1be): undefined reference to `MPI_Recv'
matmul_util.c:(.text+0x1e9): undefined reference to `MPI_Wait'
matmul_util.c:(.text+0x230): undefined reference to `ompi_mpi_long_long_int'
matmul_util.c:(.text+0x23d): undefined reference to `MPI_Isend'
matmul_util.c:(.text+0x271): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x278): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0x2aa): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x2b2): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0x2eb): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x2f3): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0x308): undefined reference to `ompi_mpi_op_bxor'
matmul_util.c:(.text+0x314): undefined reference to `ompi_mpi_long_long_int'
matmul_util.c:(.text+0x31e): undefined reference to `MPI_Allreduce'
matmul_util.c:(.text+0x366): undefined reference to `ompi_mpi_long_long_int'
matmul_util.c:(.text+0x3cb): undefined reference to `MPI_Recv'
matmul_util.c:(.text+0x3e4): undefined reference to `MPI_Wait'
matmul_util.c:(.text+0x419): undefined reference to `MPI_Isend'
matmul_util.c:(.text+0x44b): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x452): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0x48b): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x493): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0x4cc): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x4d4): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0x502): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x509): undefined reference to `MPI_Abort'
libmsieve.a(matmul_util.o): In function `global_xor_scatter':
matmul_util.c:(.text+0x637): undefined reference to `ompi_mpi_long_long_int'
matmul_util.c:(.text+0x64a): undefined reference to `MPI_Recv'
matmul_util.c:(.text+0x680): undefined reference to `MPI_Wait'
matmul_util.c:(.text+0x6b9): undefined reference to `ompi_mpi_long_long_int'
matmul_util.c:(.text+0x6c6): undefined reference to `MPI_Isend'
matmul_util.c:(.text+0x6fa): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x701): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0x73f): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x747): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0x771): undefined reference to `ompi_mpi_long_long_int'
matmul_util.c:(.text+0x77a): undefined reference to `MPI_Isend'
matmul_util.c:(.text+0x7a9): undefined reference to `ompi_mpi_long_long_int'
matmul_util.c:(.text+0x7bc): undefined reference to `MPI_Recv'
matmul_util.c:(.text+0x7ed): undefined reference to `MPI_Wait'
matmul_util.c:(.text+0x842): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x84a): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0x87a): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x881): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0x8c2): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x8ca): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0x8fa): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0x904): undefined reference to `MPI_Abort'
libmsieve.a(matmul_util.o): In function `global_allgather':
matmul_util.c:(.text+0xa52): undefined reference to `ompi_mpi_long_long_int'
matmul_util.c:(.text+0xa5f): undefined reference to `MPI_Recv'
matmul_util.c:(.text+0xa78): undefined reference to `MPI_Wait'
matmul_util.c:(.text+0xaac): undefined reference to `ompi_mpi_long_long_int'
matmul_util.c:(.text+0xab1): undefined reference to `MPI_Isend'
matmul_util.c:(.text+0xae3): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0xaea): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0xb27): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0xb2f): undefined reference to `MPI_Abort'
matmul_util.c:(.text+0xb8c): undefined reference to `ompi_mpi_comm_world'
matmul_util.c:(.text+0xb94): undefined reference to `MPI_Abort'
/usr/lib/gcc/x86_64-pc-linux-gnu/7.3.0/../../../../x86_64-pc-linux-gnu/bin/ld: warning: creating a DT_TEXTREL in a shared object.
collect2: error: ld returned 1 exit status
make: *** [Makefile:270: all] Error 1
 * ERROR: sci-mathematics/msieve-1.51::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=sci-mathematics/msieve-1.51::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sci-mathematics/msieve-1.51::gentoo'`.
 * The complete build log is located at '/var/log/portage/sci-mathematics:msieve-1.51:20180207-064644.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/sci-mathematics/msieve-1.51/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sci-mathematics/msieve-1.51/temp/environment'.
 * Working directory: '/var/tmp/portage/sci-mathematics/msieve-1.51/work/msieve-1.51'
 * S: '/var/tmp/portage/sci-mathematics/msieve-1.51/work/msieve-1.51'