added dependencies and build files (loosely inspired by Sebastian Dorda's love-native-android)

jni/libmng-1.0.10/doc/rpm/libmng-1.0.10-rhconf.patch

@@ -0,0 +1,38 @@
+--- libmng/makefiles/makefile.linux.orig	Sat Jul  1 15:10:35 2000
++++ libmng/makefiles/makefile.linux	Sat Jul  1 15:14:52 2000
+@@ -13,19 +13,19 @@
+ OPTIONS = -DMNG_BUILD_SO
+ 
+ # where "make install" puts libmng.a,libmng.so*,libmng.h,libmng_conf.h,libmng_types.h
+-prefix=/usr/local
++prefix=/usr
+ 
+ # Where the zlib library and include files are located
+-ZLIBLIB=../zlib
+-ZLIBINC=../zlib
++ZLIBLIB=/usr/lib
++ZLIBINC=/usr/include
+ 
+ # Where the jpeg library and include files are located
+-JPEGLIB=../jpgsrc
+-JPEGINC=../jpgsrc
++JPEGLIB=/usr/lib
++JPEGINC=/usr/include
+ 
+ # Where the lcms library and include files are located
+-LCMSLIB=../lcms/lib
+-LCMSINC=../lcms/source
++LCMSLIB=/usr/lib
++LCMSINC=/usr/include
+ 
+ ALIGN=
+ # for i386:
+@@ -37,7 +37,7 @@
+ 
+ # for pgcc version 2.95.1, -O3 is buggy; don't use it.
+ 
+-CFLAGS=-I$(ZLIBINC) -I$(JPEGINC) -I$(LCMSINC) -Wall -O3 -funroll-loops \
++CFLAGS=-I$(ZLIBINC) -I$(JPEGINC) -I$(LCMSINC) -Wall $(RPM_OPT_FLAGS) \
+ 	$(OPTIONS) $(ALIGN) # $(WARNMORE) -g
+ LDFLAGS=-L. -Wl,-rpath,. \
+ 	-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \