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Make sure we save CXXFLAGS before setting it as pedantic and regenerate

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configure.

Fixes PR6388.

Patch by Yann Droneaud!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97548 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2010-03-02 05:06:54 +00:00
parent 7b2c9e6a30
commit c771850380
2 changed files with 4 additions and 0 deletions
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2
autoconf/m4/huge_val.m4
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@@ -5,6 +5,7 @@
AC_DEFUN([AC_HUGE_VAL_CHECK],[
AC_CACHE_CHECK([for HUGE_VAL sanity], [ac_cv_huge_val_sanity],[
AC_LANG_PUSH([C++])
ac_save_CXXFLAGS=$CXXFLAGS
CXXFLAGS=-pedantic
AC_RUN_IFELSE(
AC_LANG_PROGRAM(
@@ -12,6 +13,7 @@ AC_DEFUN([AC_HUGE_VAL_CHECK],[
[double x = HUGE_VAL; return x != x; ]),
[ac_cv_huge_val_sanity=yes],[ac_cv_huge_val_sanity=no],
[ac_cv_huge_val_sanity=yes])
CXXFLAGS=$ac_save_CXXFLAGS
AC_LANG_POP([C++])
])
AC_SUBST(HUGE_VAL_SANITY,$ac_cv_huge_val_sanity)