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Diffstat (limited to 'Build/source/libs/libpng/ac/libpng.ac')
-rw-r--r-- | Build/source/libs/libpng/ac/libpng.ac | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Build/source/libs/libpng/ac/libpng.ac b/Build/source/libs/libpng/ac/libpng.ac index fcf51aadf7c..009b8cf1513 100644 --- a/Build/source/libs/libpng/ac/libpng.ac +++ b/Build/source/libs/libpng/ac/libpng.ac @@ -3,5 +3,8 @@ dnl dnl Copyright (C) 2009 Peter Breitenlohner <tex-live@tug.org> dnl You may freely use, modify and/or distribute this file. dnl -## define required functions and headers from system libpng -KPSE_CHECK_LIB([libpng], [png_set_read_fn], [png.h]) +## basic check of system libpng +KPSE_TRY_LIB([libpng], + [#include <png.h>], + [png_structp png; png_voidp io; png_rw_ptr fn; +png_set_read_fn(png, io, fn);]) |