sagemath/sagemath-png.patch

diff -up src/module_list.py.orig src/module_list.py
--- src/module_list.py.orig	2015-10-11 18:06:18.785834481 -0300
+++ src/module_list.py	2015-10-11 18:06:31.557834970 -0300
@@ -90,7 +90,7 @@ library_order_list = [
     "polybori_groebner-" + polybori_major_version,
     "m4rie", "m4ri",
     "zn_poly", "gap",
-    "gd", "png12",
+    "gd", "png",
     "m", "readline", "Lfunction",
     BLAS, BLAS2,
     "cryptominisat", "fplll", "z"]
@@ -903,7 +903,7 @@ ext_modules = [
 
     Extension('sage.matrix.matrix_mod2_dense',
               sources = ['sage/matrix/matrix_mod2_dense.pyx'],
-              libraries = ['m4ri', 'gd', 'png12', 'z'],
+              libraries = ['m4ri', 'gd', 'png', 'z'],
               extra_compile_args = m4ri_extra_compile_args,
               depends = [SAGE_INC + "/png.h", SAGE_INC + "/m4ri/m4ri.h"]),
 
@@ -1063,7 +1063,7 @@ ext_modules = [
 
     Extension('sage.modules.vector_mod2_dense',
               sources = ['sage/modules/vector_mod2_dense.pyx'],
-              libraries = ['m4ri', 'png12', 'gd'],
+              libraries = ['m4ri', 'png', 'gd'],
               extra_compile_args = m4ri_extra_compile_args,
               depends = [SAGE_INC + "/png.h", SAGE_INC + "/m4ri/m4ri.h"]),
 
@@ -1550,7 +1550,7 @@ ext_modules = [
     Extension('sage.rings.polynomial.pbori',
               sources = ['sage/rings/polynomial/pbori.pyx'],
               libraries=['polybori-' + polybori_major_version,
-                         'polybori_groebner-' + polybori_major_version, 'm4ri', 'gd', 'png12'],
+                         'polybori_groebner-' + polybori_major_version, 'm4ri', 'gd', 'png'],
               depends = [SAGE_INC + "/polybori/" + hd + ".h" for hd in ["polybori", "config"] ] + \
                         [SAGE_INC + '/m4ri/m4ri.h'],
               extra_compile_args = polybori_extra_compile_args + m4ri_extra_compile_args,