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authors_alexander <s_alexander@b956fd51-792f-4845-bead-9b4dfca2ff2c>2010-09-07 17:45:32 +0000
committers_alexander <s_alexander@b956fd51-792f-4845-bead-9b4dfca2ff2c>2010-09-07 17:45:32 +0000
commitd165a085eecd9f0d2e9d603de269941d1d30c620 (patch)
treeac704b1d31c4f64ffe0f12bd2e85a9c7cd743e3d /us_maker_edition/configure.ac
parent985ce77618c8c73c80d3fe48b122eb0bc2586629 (diff)
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update configure to find libpng 1.4
git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@2633 b956fd51-792f-4845-bead-9b4dfca2ff2c
Diffstat (limited to 'us_maker_edition/configure.ac')
-rw-r--r--us_maker_edition/configure.ac12
1 files changed, 10 insertions, 2 deletions
diff --git a/us_maker_edition/configure.ac b/us_maker_edition/configure.ac
index c609c460..fdd3d2cf 100644
--- a/us_maker_edition/configure.ac
+++ b/us_maker_edition/configure.ac
@@ -154,8 +154,16 @@ fi
# check for libraries
# -----------------------------------------
-# libpng
-PKG_HAVE([libpng], [libpng12], yes)
+# find libpng
+# pkgconfig name for 1.2 is "libpng12", for 1.4 "libpng"
+PKG_HAVE([libpng], [libpng12], no)
+if [[ x$libpng_HAVE = xyes ]]; then
+ PKG_VERSION([libpng], [libpng12])
+else
+ # check for the generic .pc file
+ PKG_HAVE([libpng], [libpng >= 1.2], yes)
+ PKG_VERSION([libpng], [libpng >= 1.2])
+fi
# find sdl
PKG_HAVE([sdl], [sdl], yes)