From ec1ee961e8269165ae03fd84ef8283fd9cbd7f6b Mon Sep 17 00:00:00 2001
From: kervala <devnull@localhost>
Date: Mon, 21 Dec 2015 14:20:36 +0100
Subject: [PATCH] Fixed: Compilation with Qt 5 static under Linux

---
 code/CMakeLists.txt                | 12 ++++++++----
 code/CMakeModules/PCHSupport.cmake |  2 +-
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
index bd1527844..b16b2febc 100644
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -270,7 +270,7 @@ IF(WITH_QT5)
         FIND_LIBRARY(SYSTEMCONFIGURATION_FRAMEWORK SystemConfiguration)
         FIND_LIBRARY(OPENGL_FRAMEWORK NAMES OpenGL)
 
-      SET(QT_LIBRARIES ${QT_LIBRARIES}
+        SET(QT_LIBRARIES ${QT_LIBRARIES}
           ${CUPS_LIBRARY}
           ${COCOA_FRAMEWORK}
           ${SYSTEMCONFIGURATION_FRAMEWORK}
@@ -279,6 +279,10 @@ IF(WITH_QT5)
 
         ADD_QT_PLUGIN(printsupport cocoaprintersupport)
         ADD_QT_PLUGIN(platforms qcocoa)
+      ELSE()
+        FIND_LIBRARY(OPENGL_LIBRARY GL)
+
+        SET(QT_LIBRARIES ${QT_LIBRARIES} ${OPENGL_LIBRARY})
       ENDIF()
 
       ADD_QT_PLUGIN(imageformats qgif)
@@ -289,7 +293,7 @@ IF(WITH_QT5)
       ADD_QT_PLUGIN(imageformats qwebp)
 
       # harfbuzz is needed since Qt 5.3
-      IF(APPLE)
+      IF(UNIX)
         SET(HB_LIB "${QT_LIBRARY_DIR}/libqtharfbuzzng.a")
       ELSEIF(WIN32)
         SET(HB_LIB "${QT_LIBRARY_DIR}/qtharfbuzzng.lib")
@@ -299,7 +303,7 @@ IF(WITH_QT5)
       ENDIF()
 
       # freetype is needed since Qt 5.5
-      IF(APPLE)
+      IF(UNIX)
         SET(FREETYPE_LIB "${QT_LIBRARY_DIR}/libqtfreetype.a")
       ELSEIF(WIN32)
         SET(FREETYPE_LIB "${QT_LIBRARY_DIR}/qtfreetype.lib")
@@ -309,7 +313,7 @@ IF(WITH_QT5)
       ENDIF()
 
       # pcre is needed since Qt 5.5
-      IF(APPLE)
+      IF(UNIX)
         SET(PCRE_LIB "${QT_LIBRARY_DIR}/libqtpcre.a")
       ELSEIF(WIN32)
         SET(PCRE_LIB "${QT_LIBRARY_DIR}/qtpcre.lib")
diff --git a/code/CMakeModules/PCHSupport.cmake b/code/CMakeModules/PCHSupport.cmake
index cf7735095..dafe72a5a 100644
--- a/code/CMakeModules/PCHSupport.cmake
+++ b/code/CMakeModules/PCHSupport.cmake
@@ -151,7 +151,7 @@ MACRO(PCH_SET_COMPILE_FLAGS _target)
   ENDIF()
 
   # Qt5_POSITION_INDEPENDENT_CODE should be true if Qt was compiled with PIE
-  IF(Qt5_POSITION_INDEPENDENT_CODE)
+  IF(Qt5_POSITION_INDEPENDENT_CODE AND GLOBAL_DEFINITIONS MATCHES "QT_CORE_LIB")
     SET(_USE_PIE ON)
   ENDIF()