From: caro <caro@7cbeb6ba-43b4-40fd-8cce-4c39aea84d33>
Date: Sun, 22 May 2011 08:53:31 +0000 (+0000)
Subject: improve linbpg detection
X-Git-Tag: submit/trunk/20120815.174732~1457
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=18545e731d06e4a051195d29f8d03480c943332b;p=profile%2Fivi%2Fevas.git

improve linbpg detection



git-svn-id: http://svn.enlightenment.org/svn/e/trunk/evas@59576 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33
---

diff --git a/m4/evas_check_loader.m4 b/m4/evas_check_loader.m4
index 52f953f..0cb3d7b 100644
--- a/m4/evas_check_loader.m4
+++ b/m4/evas_check_loader.m4
@@ -176,13 +176,40 @@ have_dep="no"
 evas_image_loader_[]$1[]_cflags=""
 evas_image_loader_[]$1[]_libs=""
 
-PKG_CHECK_EXISTS([libpng14], [PKG_CHECK_MODULES([PNG], [libpng14], [have_dep="yes" requirement="libpng14"], [have_dep="no"])],
-  [PKG_CHECK_EXISTS([libpng12], [PKG_CHECK_MODULES([PNG], [libpng12], [have_dep="yes" requirement="libpng12"], [have_dep="no"])],
-    [PKG_CHECK_EXISTS([libpng10], [PKG_CHECK_MODULES([PNG], [libpng10], [have_dep="yes" requirement="libpng10"], [have_dep="no"])],
-      [PKG_CHECK_MODULES([PNG], [libpng], [have_dep="yes" requirement="libpng"], [have_dep="no"])
-    ])
-  ])
-])
+dnl libpng.pc is the latest version of libpng that ahs been installed.
+dnl We check it first.
+PKG_CHECK_MODULES([PNG],
+   [libpng],
+   [have_dep="yes" requirement="libpng"],
+   [have_dep="no"])
+
+if test "x${have_dep}" = "xno" ; then
+   PKG_CHECK_MODULES([PNG],
+      [libpng15],
+      [have_dep="yes" requirement="libpng15"],
+      [have_dep="no"])
+fi
+
+if test "x${have_dep}" = "xno" ; then
+   PKG_CHECK_MODULES([PNG],
+      [libpng14],
+      [have_dep="yes" requirement="libpng14"],
+      [have_dep="no"])
+fi
+
+if test "x${have_dep}" = "xno" ; then
+   PKG_CHECK_MODULES([PNG],
+      [libpng12],
+      [have_dep="yes" requirement="libpng12"],
+      [have_dep="no"])
+fi
+
+if test "x${have_dep}" = "xno" ; then
+   PKG_CHECK_MODULES([PNG],
+      [libpng10],
+      [have_dep="yes" requirement="libpng10"],
+      [have_dep="no"])
+fi
 
 evas_image_loader_[]$1[]_cflags="${PNG_CFLAGS}"
 evas_image_loader_[]$1[]_libs="${PNG_LIBS}"