configure.ac : If gcc is version 4.2, use -fgnu89-inline.

Using -gnu-inline avoids a rather ugly warning message that only
seems to be present with gcc-4.2.

diff --git a/configure.ac b/configure.ac
index 47804d4..3a847ab 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -360,14 +360,18 @@ if test x$ac_cv_c_compiler_gnu = xyes ; then
        if test x$enable_gcc_werror = "xyes" ; then
                CFLAGS="-Wall -Wextra -Werror $CFLAGS"
                CXXFLAGS="-Wall -Wextra -Werror $CXXFLAGS"
-       fi
+               fi
 
        if test "$GCC_MAJOR_VERSION" -ge 4 && test "$OBJ_FORMAT" = elf; then
                CPPFLAGS="$CPPFLAGS -DFLAC__USE_VISIBILITY_ATTR"
                CFLAGS="$CFLAGS -fvisibility=hidden"
                CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
+               fi
+
+       if test "x$GCC_MAJOR_VERSION$GCC_MINOR_VERSION" = "x42" ; then
+               XIPH_ADD_CFLAGS([-fgnu89-inline])
+               fi
        fi
-fi
 
 
 XIPH_ADD_CFLAGS([-Wextra])