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check for compiler support for -fno-strict-overflow before using it (tested with Debian's gcc 4.3, 4.1 and 3.4)

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(closes issue #12179)
Reported by: Netview


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@107408 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2008-03-11 14:07:59 +00:00
parent 2bfb158faf
commit 9f2d2cea4b
4 changed files with 30 additions and 4 deletions
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10
configure.ac
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@@ -354,6 +354,16 @@ else
fi
AC_SUBST(AST_DECLARATION_AFTER_STATEMENT)
AC_MSG_CHECKING(for -fno-strict-overflow)
if $(${CC} -O2 -fno-strict-overflow -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
AC_MSG_RESULT(yes)
AST_NO_STRICT_OVERFLOW=-fno-strict-overflow
else
AC_MSG_RESULT(no)
AST_NO_STRICT_OVERFLOW=
fi
AC_SUBST(AST_NO_STRICT_OVERFLOW)
AC_MSG_CHECKING(for res_ninit)
AC_LINK_IFELSE(
AC_LANG_PROGRAM([#include <resolv.h>],