From 8b4b91f6cc272c001c2a2cd956a28d2b8b619b26 Mon Sep 17 00:00:00 2001
From: Dane Springmeyer <dane@dbsgeo.com>
Date: Mon, 3 Feb 2014 17:31:33 -0800
Subject: first pass at universal libpng for iOS

---
 configure | 40 +++++++++++++++++++++++++++++-----------
 1 file changed, 29 insertions(+), 11 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index 7e7df519f2..434a39e80c 100755
--- a/configure
+++ b/configure
@@ -34,6 +34,16 @@ parser.add_option("--png",
     dest="png",
     help="Path to png (defaults to using pkg-config)")
 
+parser.add_option("--png-includes",
+    action="store",
+    dest="png_includes",
+    help="Path to png includes")
+
+parser.add_option("--png-libpath",
+    action="store",
+    dest="png_libpath",
+    help="Path to png libs")
+
 (options, args) = parser.parse_args()
 
 def pkg_config(pkg):
@@ -60,11 +70,11 @@ def configure_glfw3(o):
   if options.glfw3:
       libpath = os.path.join(options.glfw3,'lib')
       if os.path.exists(libpath):
-          o['variables']['glfw3_libraries'] = '-L'+libpath
-      o['variables']['glfw3_libraries'] += ' -lglfw3'
+          o['variables']['glfw3_libraries'] = ['-L'+libpath]
+      o['variables']['glfw3_libraries'] += ['-lglfw3']
       incpath = os.path.join(options.glfw3,'include')
       if os.path.exists(incpath):
-          o['variables']['glfw3_cflags'] = '-I'+include
+          o['variables']['glfw3_cflags'] = ['-I'+incpath]
   else:
       ret = pkg_config('glfw3')
       if not ret:
@@ -74,14 +84,22 @@ def configure_glfw3(o):
       o['variables']['glfw3_cflags'] = ret[1].split()
 
 def configure_png(o):
-  if options.png:
-      libpath = os.path.join(options.png,'lib')
-      if os.path.exists(libpath):
-          o['variables']['png_libraries'] = '-L'+libpath
-      o['variables']['png_libraries'] += ' -lpng -lz'
-      incpath = os.path.join(options.png,'include')
-      if os.path.exists(incpath):
-          o['variables']['png_cflags'] = '-I'+include
+  if options.png or options.png_libpath or options.png_includes:
+      libpath = None
+      if options.png_libpath:
+        libpath = options.png_libpath
+      elif options.png:
+        libpath = os.path.join(options.png,'lib')
+      if libpath and os.path.exists(libpath):
+          o['variables']['png_libraries'] = ['-L'+libpath]
+      o['variables']['png_libraries'] += ['-lpng','-lz']
+      incpath = None
+      if options.png_includes:
+        incpath = options.png_includes
+      elif options.png:
+        incpath = os.path.join(options.png,'include')
+      if incpath and os.path.exists(incpath):
+          o['variables']['png_cflags'] = '-I'+incpath
   else:
       ret = pkg_config('libpng')
       if not ret:
-- 
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