From 804466b8c17cc2ca666b30f24d66c32702ac7d14 Mon Sep 17 00:00:00 2001
From: Ruza Markov <ruza.markov@gmail.com>
Date: Fri, 16 Mar 2018 14:31:23 -0700
Subject: [PATCH] add lib png to build

---
 CMakeLists.txt       |  1 +
 GeodeSupport.cmake   |  1 -
 geode/CMakeLists.txt | 17 +++++++++++++++++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index babee073..b976e20d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,7 @@ include(GeodeSupport.cmake)
 
 find_package(PkgConfig)
 find_package(JPEG)
+find_package(PNG)
 
 set(GMP_LIB_DIR "/usr/lib/" CACHE PATH "Path to libgmp.so")
 set(GMP_INCLUDE_DIR "/usr/local/Cellar/ /usr/include/" CACHE PATH "Path to gmp.h")
diff --git a/GeodeSupport.cmake b/GeodeSupport.cmake
index e864d80c..7f607648 100644
--- a/GeodeSupport.cmake
+++ b/GeodeSupport.cmake
@@ -101,7 +101,6 @@ macro(ADD_GEODE_MODULE _name)
         -Wno-format-security
         -Wno-attributes
         -Wno-unused-variable
-        -fPIC
     )
 
     CHECK_CXX_COMPILER_FLAG(-Wno-undefined-var-template COMPILER_CHECKS_UNDEFINED_VAR_TEMPLATE)
diff --git a/geode/CMakeLists.txt b/geode/CMakeLists.txt
index 36204584..3a0c0e8d 100644
--- a/geode/CMakeLists.txt
+++ b/geode/CMakeLists.txt
@@ -9,6 +9,9 @@ endif()
 if (JPEG_FOUND)
   set(GEODE_LIBJPEG YES)
 endif()
+if (PNG_FOUND)
+  set(GEODE_LIBPNG YES)
+endif()
 
 # Check Python binding configuration
 if (GEODE_REQUIRE_PYTHON AND NOT GEODE_PYTHON)
@@ -106,6 +109,20 @@ if (JPEG_FOUND)
   )
 endif()
 
+if (PNG_FOUND)
+  target_include_directories(
+    geode
+    PUBLIC
+      ${PNG_INCLUDE}
+  )
+
+  target_link_libraries(
+    geode
+    PUBLIC
+      ${PNG_LIBRARIES}
+  )
+endif()
+
 if (GEODE_PYTHON)
   target_link_libraries(
     geode