diff options
Diffstat (limited to 'm4/gcc_bug_80431.m4')
-rw-r--r-- | m4/gcc_bug_80431.m4 | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/m4/gcc_bug_80431.m4 b/m4/gcc_bug_80431.m4 deleted file mode 100644 index e42f01956..000000000 --- a/m4/gcc_bug_80431.m4 +++ /dev/null @@ -1,64 +0,0 @@ -# Ensure that this bug is not present in the C++ toolchain we are using. -# -# URL for bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80431 -# -# The test program is from that issue, with only a slight modification -# to set an exit status instead of printing strings. -AC_DEFUN([ENSURE_NO_GCC_BUG_80431], -[ - AC_MSG_CHECKING([that GCC bug 80431 is fixed]) - AC_LANG_PUSH(C++) - AC_RUN_IFELSE( - [AC_LANG_PROGRAM( - [[ - #include <cstdio> - - static bool a = true; - static bool b = true; - - struct Options { }; - - struct Option - { - Option(Options * options) - { - a = false; - } - - ~Option() - { - b = false; - } - }; - - struct MyOptions : Options { }; - - struct MyOptions2 : virtual MyOptions - { - Option foo{this}; - }; - ]], - [[ - { - MyOptions2 opts; - } - return (a << 1) | b; - ]])], - [status_80431=0], - [status_80431=$?], - [ - # Assume we're bug-free when cross-compiling - ]) - AC_LANG_POP(C++) - AS_CASE([$status_80431], - [0],[ - AC_MSG_RESULT(yes) - ], - [2],[ - AC_MSG_RESULT(no) - AC_MSG_ERROR(Cannot build Nix with C++ compiler with this bug) - ], - [ - AC_MSG_RESULT(unexpected result $status_80431: not expected failure with bug, ignoring) - ]) -]) |