build: Append ACLOCAL_FLAGS to ACLOCAL_AMFLAGS

diff --git a/Makefile.am b/Makefile.am
index 4647ca4f93d33a528e5b17f2273cc2df1cf4eeba..930cee3d94f7807f8886477c870b4b6343c7ec44 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,4 +1,4 @@
-ACLOCAL_AMFLAGS = -I m4
+ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
 
 # Set the minimum required Windows version to Windows 2000 (0x0500).
 if PLATFORM_WIN32