configure.ac: declare AM_CFLAGS

Makefile.am

@@ -6,7 +6,7 @@ AM_LDFLAGS = $(GLIB_LIBS)
 
 bin_PROGRAMS = src/mpd
 
-src_mpd_CFLAGS = $(MPD_CFLAGS)
+src_mpd_CFLAGS = $(AM_CFLAGS) $(MPD_CFLAGS)
 src_mpd_CPPFLAGS = $(AM_CPPFLAGS) \
 	$(SQLITE_CFLAGS) \
 	$(ID3TAG_CFLAGS) \

configure.ac

@@ -24,6 +24,8 @@ dnl
 dnl declare variables
 dnl
 
+AC_SUBST(AM_CFLAGS,"")
+
 AC_SUBST(MPD_LIBS)
 AC_SUBST(MPD_CFLAGS)
 MPD_LIBS=""
@@ -1105,7 +1107,7 @@ AC_ARG_ENABLE(werror,
 	ENABLE_WERROR=no)
 
 if test "x$ENABLE_WERROR" = xyes; then
-	MPD_CFLAGS="$MPD_CFLAGS -Werror -pedantic-errors"
+	AM_CFLAGS="$AM_CFLAGS -Werror -pedantic-errors"
 fi
 
 AC_ARG_ENABLE(debug,
@@ -1116,7 +1118,7 @@ AC_ARG_ENABLE(debug,
 
 #if test "x$ENABLE_DEBUG" = xno; then
 	# don't set NDEBUG for now, until MPD is stable
-	#MPD_CFLAGS="$MPD_CFLAGS -DNDEBUG"
+	#AM_CFLAGS="$AM_CFLAGS -DNDEBUG"
 #fi
 
 AC_ARG_ENABLE(gprof,

m4/mpd_check_cflag.m4

@@ -12,7 +12,7 @@ AC_DEFUN([MPD_CHECK_FLAG],[
   ])
   if eval "test x`echo '$mpd_check_cflag_'$var` = xyes"
   then
-    MPD_CFLAGS="$MPD_CFLAGS $1"
+    AM_CFLAGS="$AM_CFLAGS $1"
   fi
   ])
 ])