shithub: opus

Info  •  Files  •  Log  •  Branches

Don't use -fstack-protector-all when its not supported, add an autoconf test.

--- a/configure.ac

+++ b/configure.ac

@@ -162,7 +162,7 @@

 if test "$OPUS_BUILD" != "true" ; then

 saved_CFLAGS="$CFLAGS"

 CFLAGS="$CFLAGS -fvisibility=hidden"

-AC_MSG_CHECKING([if ${CXX} supports -fvisibility=hidden])

+AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])

 AC_COMPILE_IFELSE([char foo;],

       [ AC_MSG_RESULT([yes])

         SYMBOL_VISIBILITY="-fvisibility=hidden" ],

@@ -169,10 +169,18 @@

         AC_MSG_RESULT([no]))

 CFLAGS="$saved_CFLAGS $SYMBOL_VISIBILITY"

 AC_SUBST(SYMBOL_VISIBILITY)

+saved_CFLAGS="$CFLAGS"

+CFLAGS="$CFLAGS -fstack-protector-all"

+AC_MSG_CHECKING([if ${CC} supports -fstack-protector-all])

+AC_COMPILE_IFELSE([char foo;],

+      [ AC_MSG_RESULT([yes])

+        STACK_PROTECTOR="-fstack-protector-all" ],

+        AC_MSG_RESULT([no]))

+CFLAGS="$saved_CFLAGS $STACK_PROTECTOR"

 fi

 if test $ac_cv_c_compiler_gnu = yes ; then

-        CFLAGS="$CFLAGS -fstack-protector-all -W -Wstrict-prototypes -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow"

+        CFLAGS="$CFLAGS -W -Wstrict-prototypes -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow"

 fi

 AC_CHECK_FUNCS([lrintf])