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Use __func__ as rb_cv_function_name_string on OpenBSD

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The use of RUBY_WERROR_FLAG causes this test to fail on OpenBSD
platforms that use the binutils linker (ld.bfd) instead of the
llvm linker (ld.lld), due to warnings added to the binutils linker
in OpenBSD.

Removing the RUBY_WERROR_FLAG would probably also fix it, but that
would affect other platforms.

This should also be backported to Ruby 2.7.

Analysis and similar fix recommended by George Koehler.
This commit is contained in:
Jeremy Evans 2019-12-28 00:25:11 -08:00
parent bb5b8ace8d
commit a04c535967
Notes: git 2019-12-29 07:13:37 +09:00
1 changed files with 12 additions and 9 deletions
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21
configure.ac
View file

@ -1525,15 +1525,18 @@ AC_SUBST(MATHN, $mathn)
AC_CACHE_CHECK(for function name string predefined identifier,
rb_cv_function_name_string,
[rb_cv_function_name_string=no
RUBY_WERROR_FLAG([
for func in __func__ __FUNCTION__; do
AC_TRY_LINK([@%:@include <stdio.h>],
[puts($func);],
[rb_cv_function_name_string=$func
break])
done
])]
[AS_CASE(["$target_os"],[openbsd*],[
rb_cv_function_name_string=__func__
],[
rb_cv_function_name_string=no
RUBY_WERROR_FLAG([
for func in __func__ __FUNCTION__; do
AC_TRY_LINK([@%:@include <stdio.h>],
[puts($func);],
[rb_cv_function_name_string=$func
break])
done
])])]
)
AS_IF([test "$rb_cv_function_name_string" != no], [
AC_DEFINE_UNQUOTED(RUBY_FUNCTION_NAME_STRING, [$rb_cv_function_name_string])