# HG changeset patch
# User Mark Brand <address@hidden>
# Date 1277505445 -7200
# Node ID 64e5338b7f68b1d8372f14f58e9fbc328c1a736b
# Parent  4504248fdc5f72e9b8728c815c42105c7030d6af
fixed export of symbols from libmng

When we buld libmng with MNG_BUILD_SO defined, as Qt does, the
problem of unresolved symbols when linking goes away. It is now
possible to use this "system" libmng with Qt. Tested with
Qt examples/widgets/imageviewer.

diff --git a/src/libmng.mk b/src/libmng.mk
--- a/src/libmng.mk
+++ b/src/libmng.mk
@@ -21,7 +21,7 @@
 define $(PKG)_BUILD
     $(MAKE) -C '$(1)' -j '$(JOBS)' \
         -f '$(1)'/makefiles/makefile.unix \
-        CC=$(TARGET)-gcc
+        CC=$(TARGET)-gcc CFLAGS='-DMNG_BUILD_SO'
     $(TARGET)-ranlib '$(1)/libmng.a'
     $(INSTALL) -d '$(PREFIX)/$(TARGET)/lib'
     $(INSTALL) -m644 '$(1)/libmng.a' '$(PREFIX)/$(TARGET)/lib/'