>>> Unpacking source... >>> Unpacking m4-1.4.2.tar.gz to /var/tmp/portage/m4-1.4.2-r1/work >>> Source unpacked. ./configure --prefix=/usr --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib --enable-nls --enable-changeword configure: WARNING: If you wanted to set the --build type, don't use --host. If a cross compiler is detected then cross compile mode will be used. checking for gawk... gawk checking for x86_64-pc-linux-gnu-gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ANSI C... none needed checking for a BSD-compatible install... /bin/install -c checking whether make sets $(MAKE)... yes checking for x86_64-pc-linux-gnu-ranlib... x86_64-pc-linux-gnu-ranlib checking how to run the C preprocessor... gcc -E checking for egrep... grep -E checking for AIX... no checking for library containing strerror... none required checking for ANSI C header files... no checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking minix/config.h usability... no checking minix/config.h presence... no checking for minix/config.h... no checking for gcc option to accept ANSI C... (cached) no checking for function prototypes... no checking for an ANSI C-conforming const... yes checking limits.h usability... yes checking limits.h presence... yes checking for limits.h... yes checking for memory.h... (cached) yes checking siginfo.h usability... no checking siginfo.h presence... no checking for siginfo.h... no checking for string.h... (cached) yes checking for unistd.h... (cached) yes checking for ANSI C header files... (cached) no checking return type of signal handlers... void checking for size_t... yes checking for mkstemp... yes checking for sigaction... yes checking for sigaltstack... yes checking for sigstack... yes checking for sigvec... yes checking for strerror... yes checking for tmpfile... yes checking for working alloca.h... yes checking for alloca... yes checking for vprintf... yes checking for _doprnt... no checking for strtol... yes checking ecvt declaration... yes checking if stack overflow is detectable... yes checking if changeword is wanted... yes checking if malloc debugging is wanted... no configure: creating ./config.status config.status: creating Makefile config.status: creating doc/Makefile config.status: creating lib/Makefile config.status: creating src/Makefile config.status: creating checks/Makefile config.status: creating examples/Makefile config.status: creating config.h config.status: executing default commands for subdir in doc lib src checks examples; do \ echo making all in $subdir; \ (cd $subdir && make CC='gcc' CFLAGS='-march=athlon64 -O2 -pipe' LDFLAGS='' LIBS='' prefix='/usr' exec_prefix='/usr' bindir='/usr/bin' infodir='/usr/info' all) || exit 1; \ done making all in doc make[1]: Entering directory `/var/tmp/portage/m4-1.4.2-r1/work/m4-1.4.2/doc' make[1]: Nothing to be done for `all'. make[1]: Leaving directory `/var/tmp/portage/m4-1.4.2-r1/work/m4-1.4.2/doc' making all in lib make[1]: Entering directory `/var/tmp/portage/m4-1.4.2-r1/work/m4-1.4.2/lib' gcc -c -DHAVE_CONFIG_H -I.. -I. -march=athlon64 -O2 -pipe regex.c gcc -c -DHAVE_CONFIG_H -I.. -I. -march=athlon64 -O2 -pipe getopt.c regex.c:52: warning: conflicting types for built-in function 'malloc' In file included from /usr/include/bits/string2.h:1299, from /usr/include/string.h:417, from regex.c:61: /usr/include/stdlib.h:584: error: conflicting types for 'malloc' regex.c:52: error: previous declaration of 'malloc' was here /usr/include/stdlib.h:584: error: conflicting types for 'malloc' regex.c:52: error: previous declaration of 'malloc' was here regex.c: In function `re_match_2_internal': regex.c:3993: warning: cast from pointer to integer of different size regex.c:3993: warning: cast from pointer to integer of different size regex.c:3999: warning: cast to pointer from integer of different size regex.c:3999: warning: cast to pointer from integer of different size regex.c:4146: warning: cast to pointer from integer of different size regex.c:4146: warning: cast to pointer from integer of different size regex.c:4199: warning: cast to pointer from integer of different size regex.c:4199: warning: cast to pointer from integer of different size regex.c:4369: warning: cast from pointer to integer of different size regex.c:4369: warning: cast from pointer to integer of different size regex.c:4402: warning: cast to pointer from integer of different size regex.c:4402: warning: cast to pointer from integer of different size regex.c:4415: warning: cast to pointer from integer of different size regex.c:4415: warning: cast to pointer from integer of different size regex.c:4586: warning: cast from pointer to integer of different size regex.c:4586: warning: cast from pointer to integer of different size gcc -c -DHAVE_CONFIG_H -I.. -I. -march=athlon64 -O2 -pipe getopt1.c gcc -c -DHAVE_CONFIG_H -I.. -I. -march=athlon64 -O2 -pipe error.c make[1]: *** [regex.o] Error 1 make[1]: *** Waiting for unfinished jobs.... gcc: Internal error: Segmentation fault (program as) Please submit a full bug report. 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