Attempt at a fix for mingw CPPFLAGS

* configure.ac (CPPFLAGS) [mingw32]: Use abs_top_srcdir.

* Makefile.in (abs_top_srcdir):
* lib-src/Makefile.in (abs_top_srcdir):
* lwlib/Makefile.in (abs_top_srcdir):
* nt/Makefile.in (abs_top_srcdir):
* oldXMenu/Makefile.in (abs_top_srcdir):
* src/Makefile.in (abs_top_srcdir):
New, set by configure.

2 files changed, 5 insertions, 0 deletions

diff --git a/lib-src/ChangeLog b/lib-src/ChangeLog
index fd4209ab225..35672f22d64 100644
--- a/lib-src/ChangeLog
+++ b/lib-src/ChangeLog
@@ -1,3 +1,7 @@
+2013-10-24  Glenn Morris  <rgm@gnu.org>
+
+        * Makefile.in (abs_top_srcdir): New, set by configure.
+
 2013-10-23  Glenn Morris  <rgm@gnu.org>
 
         * Makefile.in ($(DESTDIR)${archlibdir}, need-blessmail, install)
diff --git a/lib-src/Makefile.in b/lib-src/Makefile.in
index 3aff16fed76..e4d104e0200 100644
--- a/lib-src/Makefile.in
+++ b/lib-src/Makefile.in
@@ -84,6 +84,7 @@ VPATH=@srcdir@
 
 # The top-level source directory, also set by configure.
 top_srcdir=@top_srcdir@
+abs_top_srcdir=@abs_top_srcdir@ # MinGW CPPFLAGS may use this
 
 # ==================== Emacs-specific directories ====================