https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84654
--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Tue Aug 7 22:50:49 2018 New Revision: 263382 URL: https://gcc.gnu.org/viewcvs?rev=263382&root=gcc&view=rev Log: PR libstdc++/84654 Disable __float128 specializations for -mno-float128 Backport from mainline 2018-05-08 Jonathan Wakely <jwak...@redhat.com> PR libstdc++/85672 * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero. * include/Makefile.in: Regenerate. * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition within conditional block. Backport from mainline 2018-05-01 Tulio Magno Quites Machado Filho <tul...@linux.vnet.ibm.com> PR libstdc++/84654 * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128. * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128. * configure: Regenerate. * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128 based on ENABLE_FLOAT128. * include/Makefile.in: Regenerate. * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128. [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine _GLIBCXX_USE_FLOAT128. Modified: branches/gcc-7-branch/libstdc++-v3/ChangeLog branches/gcc-7-branch/libstdc++-v3/acinclude.m4 branches/gcc-7-branch/libstdc++-v3/config.h.in branches/gcc-7-branch/libstdc++-v3/configure branches/gcc-7-branch/libstdc++-v3/include/Makefile.am branches/gcc-7-branch/libstdc++-v3/include/Makefile.in branches/gcc-7-branch/libstdc++-v3/include/bits/c++config
