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Merge pull request #12116 from trofi/drop-m4

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m4/gcc_bug_80431.m4: drop unused file
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Robert Hensing 2024-12-30 13:30:06 +01:00 • committed by GitHub
commit a7f556350c
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1 changed files with 0 additions and 66 deletions
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m4/gcc_bug_80431.m4
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@ -1,66 +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=$?],
[status_80431=''])
AC_LANG_POP(C++)
AS_CASE([$status_80431],
[''],[
AC_MSG_RESULT(cannot check because cross compiling)
AC_MSG_NOTICE(assume we are bug free)
],
[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)
])
])