* Fix FTBFS in mathgl due to new libpng

* Clean up old patch not used anymore

mathgl-1.11.2-zlib.patch

@@ -0,0 +1,20 @@
+--- mgl/mgl_data_png.cpp
++++ mgl/mgl_data_png.cpp
+@@ -20,6 +20,7 @@
+ #include <stdlib.h>
+ #ifndef NO_PNG
+ #include <png.h>
++#include <zlib.h>
+ #endif
+ #include "mgl/mgl_data.h"
+ #include "mgl/mgl_c.h"
+--- mgl/mgl_export.cpp
++++ mgl/mgl_export.cpp
+@@ -25,6 +25,7 @@
+ #include <stdarg.h>
+ #ifndef NO_PNG
+ #include <png.h>
++#include <zlib.h>
+ #endif
+ #ifdef HAVE_JPEG
+ extern "C" {

mathgl-hdf4-datatype.patch

@@ -1,18 +0,0 @@
---- mgl/mgl_data_io.cpp	2010-11-16 13:02:05.000000000 +0000
-+++ mgl/mgl_data_io.cpp.new	2010-11-26 23:40:52.821155381 +0000
-@@ -914,13 +914,13 @@
- void mglData::ReadHDF4(const char *fname,const char *data)
- {
- #ifdef HAVE_HDF4
--	int sd = SDstart(fname,DFACC_READ), nn, i;
-+	int32 sd = SDstart(fname,DFACC_READ), nn, i;
- 	if(sd==-1)	return;	// is not a HDF4 file
- 	char name[64];
- 	SDfileinfo(sd,&nn,&i);
- 	for(i=0;i<nn;i++)
- 	{
--		int sds, rank, dims[32], type, attr, in[2]={0,0};
-+		int32 sds, rank, dims[32], type, attr, in[2]={0,0};
- 		sds = SDselect(sd,i);
- 		SDgetinfo(sds,name,&rank,dims,&type,&attr);
- 		if(!strcmp(name,data))	// as I understand there are possible many datas with the same name

mathgl.spec

@@ -1,6 +1,6 @@
 Name: mathgl
 Version: 1.11.2
-Release: 5%{?dist}
+Release: 6%{?dist}
 Summary: Cross-platform library for making high-quality scientific graphics
 Summary(de): Plattformübergreifende Bibliothek für hochwertige wissenschaftliche Graphiken
 Summary(ru): MathGL - это библиотека для осуществления высококачественной визуализации данных
@@ -13,6 +13,9 @@ Source0: http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
 Patch0: %{name}-info.patch
 #Fltk uses /usr/include/FL
 Patch1: %{name}-%{version}-fltk.patch
+#libpng 1.5 no longer include Z_BEST_COMPRESSION, and thus we need to
+# include zlib directly
+Patch2: %{name}-%{version}-zlib.patch
 
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
@@ -78,7 +81,7 @@ done
 
 %patch0
 %patch1 -p1
-
+%patch2
 
 
 %build
@@ -92,10 +95,6 @@ export LDFLAGS="-L/usr/lib64/hdf/ -L/usr/lib/hdf"
 		--enable-shared \
 		--enable-all
 
-#Force strip rpath
-sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
-sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
-
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:`pwd`/widgets/.libs/:`pwd`/mgl/.libs
 
 make %{?_smp_mflags} 
@@ -173,6 +172,10 @@ rm -rf $RPM_BUILD_ROOT
 %doc texinfo/docs/*
 
 %changelog
+* Fri Dec 09 2011 <mycae(a!t)yahoo.com> - 1.11.2-6
+- Fix build fail due to libpng no longer including zlib
+- Remove no longer needed libtool hack
+
 * Tue Dec 06 2011 Adam Jackson <ajax@redhat.com> - 1.11.2-5
 - Rebuild for new libpng