appimage: Patch grantlee to avoid recompilation

appimage/grantlee_avoid_recompilation.patch

+diff --git a/templates/lib/CMakeLists.txt b/templates/lib/CMakeLists.txt
+index dad2ef8..685d4d6 100644
+--- a/templates/lib/CMakeLists.txt
++++ b/templates/lib/CMakeLists.txt
+@@ -118,10 +118,6 @@ endif()
+ 
+ configure_file(grantlee_test_export.h.in "${CMAKE_CURRENT_BINARY_DIR}/grantlee_test_export.h")
+ 
+-file(READ "${CMAKE_CURRENT_BINARY_DIR}/grantlee_test_export.h" _content)
+-
+-file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/grantlee_templates_export.h" "${_content}")
+-
+ target_link_libraries(Grantlee_Templates
+   LINK_PUBLIC Qt5::Core
+ )
+diff --git a/templates/lib/grantlee_test_export.h.in b/templates/lib/grantlee_test_export.h.in
+index 681574c..bc07d2b 100644
+--- a/templates/lib/grantlee_test_export.h.in
++++ b/templates/lib/grantlee_test_export.h.in
+@@ -1,2 +1,8 @@
++#ifndef GRANTLEE_TEST_EXPORT_H
++#define GRANTLEE_TEST_EXPORT_H
++
++#include "grantlee_templates_export.h"
+ 
+ #define GRANTLEE_TESTS_EXPORT @GRANTLEE_TESTS_EXPORT@
++
++#endif
+diff --git a/templates/lib/nulllocalizer_p.h b/templates/lib/nulllocalizer_p.h
+index a584f79..ab57b79 100644
+--- a/templates/lib/nulllocalizer_p.h
++++ b/templates/lib/nulllocalizer_p.h
+@@ -21,6 +21,8 @@
+ #ifndef GRANTLEE_NULLLOCALIZER_P_H
+ #define GRANTLEE_NULLLOCALIZER_P_H
+ 
++#include "grantlee_test_export.h"
++
+ #include "abstractlocalizer.h"
+ 
+ namespace Grantlee
+

appimage/kdevelop-recipe-centos6.sh

@@ -206,7 +206,7 @@ build_project kate $KDE_APPLICATION_VERSION # for snippet plugin, see T3826
 build_project konsole $KDE_APPLICATION_VERSION
 
 # Extra
-(CUSTOM_GIT_URL=https://github.com/steveire/grantlee.git build_project grantlee $GRANTLEE_VERSION)
+(CUSTOM_GIT_URL=https://github.com/steveire/grantlee.git PATCH_FILE=grantlee_avoid_recompilation.patch build_project grantlee $GRANTLEE_VERSION)
 
 # KDevelop
 build_project kdevelop-pg-qt $KDEV_PG_QT_VERSION