build: fix VPATH issues in C compilation

* src/local.mk (AM_CPPFLAGS): Add 'src' to the directories that
are searched for #include'd files.

diff --git a/src/local.mk b/src/local.mk
index e127c749751bbb3ea23ea6c6d33349db17dd4af0..218ea0f17689bbdf252c89f1479a376764f00723 100644 (file)
--- a/src/local.mk
+++ b/src/local.mk
@@ -71,7 +71,7 @@ CLEANFILES = $(SCRIPTS)
 # or 'dist'.
 CLEANFILES += $(no_install__progs)
 
-AM_CPPFLAGS = -I$(top_srcdir)/lib
+AM_CPPFLAGS = -I$(top_srcdir)/lib -Isrc
 
 noinst_LIBRARIES = src/libver.a
 nodist_src_libver_a_SOURCES = src/version.c src/version.h