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/lwlib/ChangeLog b/lwlib/ChangeLog
index 5a1018f85e5..963b5baed1c 100644
--- a/lwlib/ChangeLog
+++ b/lwlib/ChangeLog
@@ -1,3 +1,7 @@
+2013-10-24  Glenn Morris  <rgm@gnu.org>
+
+        * Makefile.in (abs_top_srcdir): New, set by configure.
+
 2013-09-04  Paul Eggert  <eggert@cs.ucla.edu>
 
         Makefile improvements.
diff --git a/lwlib/Makefile.in b/lwlib/Makefile.in
index 40f4a405e97..c463efb05e2 100644
--- a/lwlib/Makefile.in
+++ b/lwlib/Makefile.in
@@ -23,6 +23,7 @@
 # and set up to be configured by ../configure.
 
 srcdir=@srcdir@
+abs_top_srcdir=@abs_top_srcdir@ # MinGW CPPFLAGS may use this
 VPATH=@srcdir@
 @SET_MAKE@
 C_SWITCH_X_SITE=@C_SWITCH_X_SITE@