* Package:    dev-libs/mpfr-4.1.0
 * Repository: gentoo
 * Maintainer: toolchain@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux prefix userland_GNU
 * FEATURES:   network-sandbox preserve-libs
>>> Unpacking source...
>>> Unpacking mpfr-4.1.0.tar.xz to /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work
>>> Source unpacked in /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work
>>> Preparing source in /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0 ...
>>> Source prepared.
>>> Configuring source in /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0 ...
 * abi_x86_64.amd64: running multilib-minimal_abi_src_configure
 * econf: updating mpfr-4.1.0/config.sub with /home/chuot/gentoo/usr/share/gnuconfig/config.sub
 * econf: updating mpfr-4.1.0/config.guess with /home/chuot/gentoo/usr/share/gnuconfig/config.guess
/home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0/configure --prefix=/home/chuot/gentoo/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/home/chuot/gentoo/usr/share/man --infodir=/home/chuot/gentoo/usr/share/info --datadir=/home/chuot/gentoo/usr/share --sysconfdir=/home/chuot/gentoo/etc --localstatedir=/home/chuot/gentoo/var/lib --disable-dependency-tracking --disable-silent-rules --docdir=/home/chuot/gentoo/usr/share/doc/mpfr-4.1.0 --htmldir=/home/chuot/gentoo/usr/share/doc/mpfr-4.1.0/html --with-sysroot=/home/chuot/gentoo --libdir=/home/chuot/gentoo/usr/lib64 --disable-static
checking for a BSD-compatible install... /home/chuot/gentoo/usr/bin/install -c
checking whether build environment is sane... yes
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configure: creating ./config.status
config.status: creating Makefile
config.status: creating mpfr.pc
config.status: creating doc/Makefile
config.status: creating src/Makefile
config.status: creating tests/Makefile
config.status: creating tune/Makefile
config.status: creating src/mparam.h
config.status: creating tools/bench/Makefile
config.status: executing depfiles commands
config.status: executing libtool commands
>>> Source configured.
>>> Compiling source in /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0 ...
 * abi_x86_64.amd64: running multilib-minimal_abi_src_compile
make -j2 
CDPATH="${ZSH_VERSION+.}:" && cd /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0 && /home/chuot/gentoo/bin/bash /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0/missing aclocal-1.16 -I m4
CDPATH="${ZSH_VERSION+.}:" && cd /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0 && /home/chuot/gentoo/bin/bash /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0/missing autoconf
 cd /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0 && /home/chuot/gentoo/bin/bash /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0/missing automake-1.16 --gnu
configure:14311: error: possibly undefined macro: AX_PTHREAD
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
make: *** [Makefile:432: /home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0/configure] Error 1
make: *** Waiting for unfinished jobs....
 * ERROR: dev-libs/mpfr-4.1.0::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=dev-libs/mpfr-4.1.0::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-libs/mpfr-4.1.0::gentoo'`.
 * The complete build log is located at '/home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/temp/build.log'.
 * The ebuild environment file is located at '/home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/temp/environment'.
 * Working directory: '/home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0-abi_x86_64.amd64'
 * S: '/home/chuot/gentoo/var/tmp/portage/dev-libs/mpfr-4.1.0/work/mpfr-4.1.0'