dev-lang/erlang-18.1 unable to build on gentoo-x32, please block 393673. it failed on __builtin_choose_expr builtin missing, while according to gcc website, this builtin should be available since gcc-3.1 https://gcc.gnu.org/onlinedocs/gcc-4.9.3/gcc/Other-Builtins.html $ cat abc.c typedef unsigned long long UWord; # define ERTS_CT_ASSERT(e) \ do { \ enum { compile_time_assert__ = __builtin_choose_expr((e),0,(void)0) }; \ } while(0) struct Allctr_t; void test1() { ERTS_CT_ASSERT(sizeof(UWord) == sizeof(struct Allctr_t *)); } $ gcc -Wall -c abc.c abc.c: In function 'test1': abc.c:6:33: error: enumerator value for 'compile_time_assert__' is not an integer constant enum { compile_time_assert__ = __builtin_choose_expr((e),0,(void)0) }; \ ^ abc.c:12:5: note: in expansion of macro 'ERTS_CT_ASSERT' ERTS_CT_ASSERT(sizeof(UWord) == sizeof(struct Allctr_t *)); ^ $ gcc -v Using built-in specs. COLLECT_GCC=/usr/x86_64-pc-linux-gnux32/gcc-bin/4.9.3/gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnux32/4.9.3/lto-wrapper Target: x86_64-pc-linux-gnux32 Configured with: /var/tmp/portage/sys-devel/gcc-4.9.3/work/gcc-4.9.3/configure --host=x86_64-pc-linux-gnux32 --build=x86_64-pc-linux-gnux32 --prefix=/usr --bindir=/usr/x86_64-pc-linux-gnux32/gcc-bin/4.9.3 --includedir=/usr/lib/gcc/x86_64-pc-linux-gnux32/4.9.3/include --datadir=/usr/share/gcc-data/x86_64-pc-linux-gnux32/4.9.3 --mandir=/usr/share/gcc-data/x86_64-pc-linux-gnux32/4.9.3/man --infodir=/usr/share/gcc-data/x86_64-pc-linux-gnux32/4.9.3/info --with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnux32/4.9.3/include/g++-v4 --with-python-dir=/share/gcc-data/x86_64-pc-linux-gnux32/4.9.3/python --enable-languages=c,c++,fortran --enable-obsolete --enable-secureplt --disable-werror --with-system-zlib --enable-nls --without-included-gettext --enable-checking=release --with-bugurl=https://bugs.gentoo.org/ --with-pkgversion='Gentoo 4.9.3 p1.2, pie-0.6.3' --enable-libstdcxx-time --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --enable-multilib --with-multilib-list=m64,m32,mx32 --disable-altivec --disable-fixed-point --with-abi=mx32 --enable-targets=all --disable-libgcj --enable-libgomp --disable-libmudflap --disable-libssp --disable-libcilkrts --enable-lto --without-cloog --enable-libsanitizer Thread model: posix gcc version 4.9.3 (Gentoo 4.9.3 p1.2, pie-0.6.3) $ emerge --info Portage 2.2.20.1 (python 3.4.3-final-0, unavailable, gcc-4.9.3, glibc-2.20-r2, 4.2.0-16-generic x86_64) ================================================================= System uname: Linux-4.2.0-16-generic-x86_64-Intel-R-_Core-TM-_i7-4770HQ_CPU_@_2.20GHz-with-gentoo-2.2 KiB Mem: 16339104 total, 1671412 free KiB Swap: 4194300 total, 4194172 free sh bash 4.3_p39 ld GNU ld (Gentoo 2.25.1 p1.1) 2.25.1 dev-lang/python: 2.7.10::gentoo, 3.4.3::gentoo sys-devel/autoconf: 2.69::gentoo sys-devel/automake: 1.14.1::gentoo, 1.15::gentoo sys-devel/binutils: 2.25.1-r1::gentoo sys-devel/libtool: 2.4.6::gentoo sys-kernel/linux-headers: 3.18::gentoo (virtual/os-headers) Repositories: ACCEPT_LICENSE="* -@EULA" CFLAGS="-O2 -pipe" CHOST="x86_64-pc-linux-gnux32" CONFIG_PROTECT="/etc" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/gentoo-release /etc/sandbox.d /etc/terminfo" CXXFLAGS="-O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync" GENTOO_MIRRORS="http://distfiles.gentoo.org" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" USE="bindist mmx sse sse2" Unset: ACCEPT_KEYWORDS, EMERGE_DEFAULT_OPTS, PORTAGE_BUNZIP2_COMMAND
I will not be maintaining erlang anymore, sorry. If you can contribute, please work with the proxy maintenance team.
please retry with 20.0
