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Fix the build on FreeBSD 9.x. Somehow recent improvements in upstream

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GCC around detecting support for isinf and isnan only went half way.
This commit is contained in:
Gerald Pfeifer 2016-02-06 13:44:00 +00:00
parent f927e29a04
commit a27d1db0ea
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=408296
1 changed files with 36 additions and 0 deletions
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36
lang/gcc6-devel/files/patch-libstdc++-configure Normal file
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@ -0,0 +1,36 @@
commit 8be7de1a900b22622b7f4ef3534572dfb1f52892
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Thu Feb 4 23:54:47 2016 +0000
Enable isinf/isnan checks for all targets
* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Enable checks for
obsolete isinf and isnan for all targets except *-*-solaris2.*.
* configure: Regenerate.
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index 057b58e..bdcb264 100644
--- libstdc++-v3/acinclude.m4
+++ libstdc++-v3/acinclude.m4
@@ -2215,7 +2215,7 @@ AC_DEFUN([GLIBCXX_CHECK_MATH11_PROTO], [
fi
AC_MSG_RESULT([$glibcxx_cv_math11_overload])
;;
- *-*-*gnu* | *-*-aix* | *-*-hpux*)
+ *)
# If <math.h> defines the obsolete isinf(double) and isnan(double)
# functions (instead of or as well as the C99 generic macros) then we
# can't define std::isinf(double) and std::isnan(double) in <cmath>
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index a919a3e..c3f627f 100755
--- libstdc++-v3/configure
+++ libstdc++-v3/configure
@@ -18266,7 +18266,7 @@ fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_math11_overload" >&5
$as_echo "$glibcxx_cv_math11_overload" >&6; }
;;
- *-*-*gnu* | *-*-aix* | *-*-hpux*)
+ *)
# If <math.h> defines the obsolete isinf(double) and isnan(double)
# functions (instead of or as well as the C99 generic macros) then we
# can't define std::isinf(double) and std::isnan(double) in <cmath>