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authorPeter Breitenlohner <peb@mppmu.mpg.de>2011-05-12 08:17:23 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2011-05-12 08:17:23 +0000
commitbe50c2a909259fedd9732d3419478ca731aec660 (patch)
treed7d0a44cbf7ca89fe9280dc11fc4f10c08073272 /Build/source/texk/web2c/luatexdir/image
parent4c5256d4f51b7a5022c0adf849b743f71024f078 (diff)
Build fix for (installed) libpng < 1.5.0
git-svn-id: svn://tug.org/texlive/trunk@22436 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/luatexdir/image')
-rw-r--r--Build/source/texk/web2c/luatexdir/image/writepng.w4
1 files changed, 4 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/luatexdir/image/writepng.w b/Build/source/texk/web2c/luatexdir/image/writepng.w
index 65347bc53c4..08daac984e6 100644
--- a/Build/source/texk/web2c/luatexdir/image/writepng.w
+++ b/Build/source/texk/web2c/luatexdir/image/writepng.w
@@ -520,6 +520,10 @@ void write_png(PDF pdf, image_dict * idict)
boolean png_copy = true;
double gamma = 0.0;
png_fixed_point int_file_gamma = 0;
+#ifndef PNG_FP_1
+ /* for libpng < 1.5.0 */
+#define PNG_FP_1 100000
+#endif
int i;
int palette_objnum = 0;
png_structp png_p;