Attachment 108810 Details for Bug 76963 – Only consider adding -fno-check-new if compiler supports it

[patch] Only consider adding -fno-check-new if compiler supports it

compiler-support_fno-check-new.patch (text/plain), 1.27 KB, created by Daniel Macks on 2014-11-02 20:10:45 UTC

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Creator: Daniel Macks

Created: 2014-11-02 20:10:45 UTC

Size: 1.27 KB

patch

obsolete

>diff --git a/configure.ac b/configure.ac
>index 7a5d747..679e633 100644
>--- a/configure.ac
>+++ b/configure.ac
>@@ -808,18 +808,32 @@ else
> fi
> AC_SUBST(TESTDATADIR)
> 
>+# some compilers do not support this flag (see bug #76963)
>+fno_check_new=
>+AC_MSG_CHECKING([for -fno-check-new compiler flag])
>+AC_LANG_PUSH([C++])
>+saved_CXXFLAGS=$CXXFLAGS
>+CXXFLAGS="-fno-check-new $CXXFLAGS"
>+AC_TRY_COMPILE([], [],
>+  [AC_MSG_RESULT([yes])
>+  fno_check_new="-fno-check-new"],
>+  AC_MSG_RESULT([no])
>+)
>+CXXFLAGS=$saved_CXXFLAGS
>+AC_LANG_POP
>+
> if test "x$GCC" != xyes; then
>   enable_compile_warnings=no
> fi
> case "$enable_compile_warnings" in
>   no)	;;
>-  yes)	CXXFLAGS="-Wall -Woverloaded-virtual -Wnon-virtual-dtor -Wcast-align -fno-exceptions -fno-check-new -fno-common $CXXFLAGS";
>+  yes)	CXXFLAGS="-Wall -Woverloaded-virtual -Wnon-virtual-dtor -Wcast-align -fno-exceptions $fno_check_new -fno-common $CXXFLAGS";
>         CFLAGS="-Wall $CFLAGS" ;;
>   kde)	CXXFLAGS="-Wnon-virtual-dtor -Wno-long-long -Wundef \
> 		-D_XOPEN_SOURCE=600 -D_BSD_SOURCE -Wcast-align \
> 		-Wconversion -Wall -W -Wpointer-arith \
> 		-Wwrite-strings -O2 -Wformat-security \
>-		-Wmissing-format-attribute -fno-exceptions -fno-check-new \
>+		-Wmissing-format-attribute -fno-exceptions $fno_check_new \
> 		-fno-common $CXXFLAGS" ;;
> esac
>

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