neatogen: autotools: define NEATOGEN_EXPORTS

diff --git a/lib/neatogen/Makefile.am b/lib/neatogen/Makefile.am
index c67e722273647956457338607b9803cb43cd8b65..64140dc2d27e8ebe92035776a3b9ede5c5e26793 100644 (file)
--- a/lib/neatogen/Makefile.am
+++ b/lib/neatogen/Makefile.am
@@ -9,6 +9,10 @@ AM_CPPFLAGS = \
         -I$(top_srcdir)/lib/cgraph \
         -I$(top_srcdir)/lib/cdt $(IPSEPCOLA_INCLUDES) $(GTS_CFLAGS)
 
+if WITH_WIN32
+AM_CFLAGS = -DNEATOGEN_EXPORTS=1
+endif
+
 noinst_LTLIBRARIES = libneatogen_C.la
 
 noinst_HEADERS = adjust.h edges.h geometry.h heap.h hedges.h info.h mem.h \