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-rw-r--r--Build/source/libs/libpng/configure.ac10
1 files changed, 4 insertions, 6 deletions
diff --git a/Build/source/libs/libpng/configure.ac b/Build/source/libs/libpng/configure.ac
index 297696c9fa9..828eac073ec 100644
--- a/Build/source/libs/libpng/configure.ac
+++ b/Build/source/libs/libpng/configure.ac
@@ -1,12 +1,12 @@
dnl Process this file with autoconf to produce a configure script.
dnl
-dnl Copyright (C) 2009 - 2011 Peter Breitenlohner <tex-live@tug.org>
+dnl Copyright (C) 2009-2011 Peter Breitenlohner <tex-live@tug.org>
dnl
dnl This file is free software; the copyright holder
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl
-m4_define([libpng_version], [1.5.2])[]dnl using unmodified libpng source tree
+m4_include([version.ac])[] dnl define libpng_version
AC_INIT([libpng for TeX Live], libpng_version, [tex-k@tug.org])
AC_PREREQ([2.65])
AC_CONFIG_SRCDIR([libpng-]libpng_version[/pngget.c])
@@ -51,11 +51,9 @@ KPSE_RESTORE_FLAGS
echo timestamp >config.force
fi
-LIBPNG_TREE=libpng-[]libpng_version
-AC_SUBST([LIBPNG_TREE])
+AC_SUBST([LIBPNG_TREE], [libpng-]libpng_version)
-LIBPNG_DEFINES='-DPNG_CONFIGURE_LIBPNG -DPNG_NO_MMX_CODE'
-AC_SUBST([LIBPNG_DEFINES])
+AC_SUBST([LIBPNG_DEFINES], ['-DPNG_CONFIGURE_LIBPNG -DPNG_NO_MMX_CODE'])
AC_CONFIG_FILES([Makefile include/Makefile])