* Package:    sci-electronics/iverilog-11.0
 * Repository: gentoo
 * Maintainer: vowstar@gmail.com sci-electronics@gentoo.org,proxy-maint@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking iverilog-11.0.tar.gz to /var/tmp/portage/sci-electronics/iverilog-11.0/work
>>> Source unpacked in /var/tmp/portage/sci-electronics/iverilog-11.0/work
>>> Preparing source in /var/tmp/portage/sci-electronics/iverilog-11.0/work/iverilog-11_0 ...
 * This package has a configure.in file which has long been deprecated.  Please
 * update it to use configure.ac instead as newer versions of autotools will die
 * when it finds this file.  See https://bugs.gentoo.org/426262 for details.
 * Running autoconf ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sci-electronics/iverilog-11.0/work/iverilog-11_0 ...
 * econf: updating iverilog-11_0/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating iverilog-11_0/config.guess with /usr/share/gnuconfig/config.guess
./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --docdir=/usr/share/doc/iverilog-11.0 --htmldir=/usr/share/doc/iverilog-11.0/html --libdir=/usr/lib64
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether x86_64-pc-linux-gnu-gcc accepts -g... yes
checking for x86_64-pc-linux-gnu-gcc option to enable C11 features... none needed
checking for x86_64-pc-linux-gnu-g++... x86_64-pc-linux-gnu-g++
checking whether the compiler supports GNU C++... yes
checking whether x86_64-pc-linux-gnu-g++ accepts -g... yes
checking for x86_64-pc-linux-gnu-g++ option to enable C++11 features... none needed
checking for x86_64-pc-linux-gnu-ranlib... x86_64-pc-linux-gnu-ranlib
checking for x86_64-pc-linux-gnu-ld... x86_64-pc-linux-gnu-ld
checking for x86_64-pc-linux-gnu-ar... x86_64-pc-linux-gnu-ar
checking for x86_64-pc-linux-gnu-dlltool... no
checking for dlltool... no
checking for x86_64-pc-linux-gnu-strip... x86_64-pc-linux-gnu-strip
checking for x86_64-pc-linux-gnu-windres... no
checking for windres... no
checking for gperf... gperf
checking for man... man
checking for ps2pdf... ps2pdf
checking for git... git
checking for flex... flex
checking for bison... bison
checking for Microsoft Windows... no
checking how x86_64-pc-linux-gnu-gcc reports undeclared, standard C functions... error
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking whether __SUNPRO_C is declared... no
checking if gcc supports -Wextra... yes
checking how x86_64-pc-linux-gnu-g++ reports undeclared, standard C functions... error
checking whether __SUNPRO_CC is declared... no
checking for getopt.h... yes
checking for inttypes.h... (cached) yes
checking for libiberty.h... yes
checking for iosfwd... yes
checking for sys/wait.h... yes
checking size of unsigned long long... 8
checking size of unsigned long... 8
checking size of unsigned... 4
checking for tputs in -ltermcap... no
checking for readline in -lreadline... yes
checking for add_history in -lreadline... yes
checking for readline/readline.h... yes
checking for readline/history.h... yes
checking for sys/resource.h... yes
checking for pthread_create in -lpthread... yes
checking for gzwrite in -lz... yes
checking for gzwrite in -lz... (cached) yes
checking for BZ2_bzdopen in -lbz2... yes
checking for BZ2_bzdopen in -lbz2... (cached) yes
checking for size_t... yes
checking for working alloca.h... yes
checking for alloca... yes
checking for _LARGEFILE_SOURCE value needed for large files... no
configure: Not using valgrind hooks
checking for sys/times... yes
checking for dlfcn.h... yes
checking for dlopen in -ldl... yes
checking for a BSD-compatible install... /usr/lib/portage/python3.7/ebuild-helpers/xattr/install -c
checking whether byte ordering is bigendian... no
checking for extra libs needed... 
checking for flag to make position independent code... -fPIC
checking for realpath... yes
checking for fopen64... yes
checking for library containing lround... -lm
checking for library containing llround... none required
checking for library containing nan... none required
checking for library containing fmin... none required
checking for library containing fmax... none required
checking if uint64_t and unsigned long are identical... yes
checking for -rdynamic compiler flag... -rdynamic
checking for shared library link flag... -shared
checking for leading underscores... no
checking for trailing underscores... no
checking for sanity of prefix... ok
checking for sanity of exec_prefix... ok
checking for sanity of libdir... ok
checking how to run the C preprocessor... x86_64-pc-linux-gnu-gcc -E
checking how to run the C preprocessor... /lib/cpp
configure: error: in `/var/tmp/portage/sci-electronics/iverilog-11.0/work/iverilog-11_0':
configure: error: C preprocessor "/lib/cpp" fails sanity check
See `config.log' for more details

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/sci-electronics/iverilog-11.0/work/iverilog-11_0/config.log
 * ERROR: sci-electronics/iverilog-11.0::gentoo failed (configure phase):
 *   econf failed
 * 
 * Call stack:
 *               ebuild.sh, line  125:  Called src_configure
 *             environment, line 1495:  Called default
 *      phase-functions.sh, line  855:  Called default_src_configure
 *      phase-functions.sh, line  890:  Called __eapi2_src_configure
 *        phase-helpers.sh, line  798:  Called econf
 *        phase-helpers.sh, line  681:  Called __helpers_die 'econf failed'
 *   isolated-functions.sh, line  112:  Called die
 * The specific snippet of code:
 *   		die "$@"
 * 
 * If you need support, post the output of `emerge --info '=sci-electronics/iverilog-11.0::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sci-electronics/iverilog-11.0::gentoo'`.
 * The complete build log is located at '/var/log/portage/sci-electronics:iverilog-11.0:20201018-101559.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/sci-electronics/iverilog-11.0/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sci-electronics/iverilog-11.0/temp/environment'.
 * Working directory: '/var/tmp/portage/sci-electronics/iverilog-11.0/work/iverilog-11_0'
 * S: '/var/tmp/portage/sci-electronics/iverilog-11.0/work/iverilog-11_0'