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-rw-r--r--lib/megaco/aclocal.m47
-rw-r--r--lib/megaco/configure.in10
2 files changed, 8 insertions, 9 deletions
diff --git a/lib/megaco/aclocal.m4 b/lib/megaco/aclocal.m4
index 5d555a5123..918e30a886 100644
--- a/lib/megaco/aclocal.m4
+++ b/lib/megaco/aclocal.m4
@@ -1861,17 +1861,16 @@ dnl Usage example LM_TRY_ENABLE_CFLAG([-Werror=return-type], [CFLAGS])
dnl
dnl
AC_DEFUN([LM_TRY_ENABLE_CFLAG], [
- AC_MSG_CHECKING([if we can add $1 to CFLAGS])
+ AC_MSG_CHECKING([if we can add $1 to $2 (via CFLAGS)])
saved_CFLAGS=$CFLAGS;
- CFLAGS="$1 $CFLAGS";
+ CFLAGS="$1 $$2";
AC_TRY_COMPILE([],[return 0;],can_enable_flag=true,can_enable_flag=false)
CFLAGS=$saved_CFLAGS;
if test "X$can_enable_flag" = "Xtrue"; then
AC_MSG_RESULT([yes])
- AS_VAR_SET($2, "$1 $CFLAGS")
+ AS_VAR_SET($2, "$1 $$2")
else
AC_MSG_RESULT([no])
- AS_VAR_SET($2, "$CFLAGS")
fi
])
diff --git a/lib/megaco/configure.in b/lib/megaco/configure.in
index 9c3858f562..643267a154 100644
--- a/lib/megaco/configure.in
+++ b/lib/megaco/configure.in
@@ -162,6 +162,11 @@ else
fi
AC_SUBST(OTP_EXTRA_FLAGS)
+if test "x$GCC" = xyes; then
+ # Treat certain GCC warnings as errors
+ LM_TRY_ENABLE_CFLAG([-Werror=return-type], [CFLAGS])
+fi
+
dnl
dnl If ${ERL_TOP}/make/otp_ded.mk.in exists and contains DED_MK_VSN > 0,
dnl every thing releted to compiling Dynamic Erlang Drivers can be found
@@ -273,11 +278,6 @@ if test "$PERL" = no_perl; then
AC_MSG_ERROR([Perl is required to build the flex scanner!])
fi
-if test "x$GCC" = xyes; then
- # Treat certain GCC warnings as errors
- LM_TRY_ENABLE_CFLAG([-Werror=return-type], [CFLAGS])
-fi
-
AC_OUTPUT(examples/meas/Makefile:examples/meas/Makefile.in)
AC_OUTPUT(src/flex/$host/Makefile:src/flex/Makefile.in)