* Package:    dev-libs/userspace-rcu-0.13.2:0/8
 * Repository: gentoo
 * Maintainer: base-system@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox

>>> Unpacking source...
>>> Unpacking userspace-rcu-0.13.2.tar.bz2 to /var/tmp/portage/dev-libs/userspace-rcu-0.13.2/work
>>> Source unpacked in /var/tmp/portage/dev-libs/userspace-rcu-0.13.2/work
>>> Preparing source in /var/tmp/portage/dev-libs/userspace-rcu-0.13.2/work/userspace-rcu-0.13.2 ...
 * Applying userspace-rcu-0.13.1-tests-no-benchmark.patch ...
 [ ok ]
 * Applying userspace-rcu-0.13.1-loong.patch ...
 [ ok ]
 * Running eautoreconf in '/var/tmp/portage/dev-libs/userspace-rcu-0.13.2/work/userspace-rcu-0.13.2' ...
 * Running 'libtoolize --install --copy --force --automake' ...
 [ ok ]
 * Running 'aclocal -I m4 --system-acdir=/var/tmp/portage/dev-libs/userspace-rcu-0.13.2/temp/aclocal' ...
 [ ok ]
 * Running 'autoconf --force' ...
 [ ok ]
 * Running 'autoheader' ...
 [ ok ]
 * Running 'automake --add-missing --copy --foreign --force-missing' ...
 [ ok ]
 * Running elibtoolize in: userspace-rcu-0.13.2/
 * Running elibtoolize in: userspace-rcu-0.13.2/config/
 *   Applying portage/1.2.0 patch ...
 *   Applying sed/1.5.6 patch ...
 *   Applying as-needed/2.4.3 patch ...
>>> Source prepared.
 * Clang 16 testing: this build is using a /etc/portage/bashrc hook!
>>> Configuring source in /var/tmp/portage/dev-libs/userspace-rcu-0.13.2/work/userspace-rcu-0.13.2 ...
 * econf: updating userspace-rcu-0.13.2/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating userspace-rcu-0.13.2/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating userspace-rcu-0.13.2/config/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating userspace-rcu-0.13.2/config/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 --datarootdir=/usr/share --disable-dependency-tracking --disable-silent-rules --disable-static --docdir=/usr/share/doc/userspace-rcu-0.13.2 --htmldir=/usr/share/doc/userspace-rcu-0.13.2/html --with-sysroot=/ --libdir=/usr/lib64 --enable-shared --disable-static
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
checking for a BSD-compatible install... /usr/lib/portage/python3.10/ebuild-helpers/xattr/install -c
checking whether build environment is sane... yes
checking for a race-free mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether to enable maintainer-specific portions of Makefiles... yes
checking whether make supports nested variables... (cached) yes
checking for x86_64-pc-linux-gnu-gcc... clang
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 clang accepts -g... yes
checking for clang option to enable C11 features... unsupported
checking for clang option to enable C99 features... unsupported
checking for clang option to enable C89 features... unsupported
checking whether clang understands -c and -o together... yes
checking whether make supports the include directive... yes (GNU style)
checking dependency style of clang... none
configure: error: The compiler does not support C99

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/dev-libs/userspace-rcu-0.13.2/work/userspace-rcu-0.13.2/config.log
 * ERROR: dev-libs/userspace-rcu-0.13.2::gentoo failed (configure phase):
 *   econf failed
 * 
 * Call stack:
 *               ebuild.sh, line  122:  Called src_configure
 *             environment, line 1781:  Called econf '--enable-shared' '--disable-static'
 *        phase-helpers.sh, line  730:  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 '=dev-libs/userspace-rcu-0.13.2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-libs/userspace-rcu-0.13.2::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-libs:userspace-rcu-0.13.2:20221108-084722.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-libs/userspace-rcu-0.13.2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-libs/userspace-rcu-0.13.2/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-libs/userspace-rcu-0.13.2/work/userspace-rcu-0.13.2'
 * S: '/var/tmp/portage/dev-libs/userspace-rcu-0.13.2/work/userspace-rcu-0.13.2'