Use AM_CPPFLAGS for mandatory preprocessor flags.

CPPFLAGS is meant to be overridable by the user.  Don't use it.

diff --git a/Makefile.am b/Makefile.am
index d05b6a5238d73cab5621da8a2886a9e77dd25c75..447fbbf58db338d448d8ef072ee17e7ddadcc249 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -7,7 +7,7 @@
 ACLOCAL_AMFLAGS = -I m4
 
 SUBDIRS = lib .
-CPPFLAGS = -I$(top_builddir)/src -I$(top_srcdir)/src \
+AM_CPPFLAGS = -I$(top_builddir)/src -I$(top_srcdir)/src \
        -I$(top_builddir)/lib -I$(top_srcdir)/lib
 
 MAINTAINERCLEANFILES = src/scan.c src/scan.h src/scan.stamp \