Merge pull request #6 from janekjan/master

Update CMake to work outside CLion (Lovely first pull request!)

CMakeLists.txt

@@ -3,11 +3,11 @@ project(Sagger LANGUAGES C VERSION 0.1)
 set(CMAKE_C_STANDARD 11)
 
 FIND_PACKAGE(PkgConfig REQUIRED)
-PKG_CHECK_MODULES(GTK REQUIRED gtk+-3.0)
+PKG_CHECK_MODULES(GTK3 REQUIRED gtk+-3.0)
 
-INCLUDE_DIRECTORIES(${GTK_INCLUDE_DIRS})
-LINK_DIRECTORIES(${GTK_LIBRARY_DIRS})
-ADD_DEFINITIONS(${GTK_CFLAGS_OTHER})
+INCLUDE_DIRECTORIES(${GTK3_INCLUDE_DIRS})
+LINK_DIRECTORIES(${GTK3_LIBRARY_DIRS})
+ADD_DEFINITIONS(${GTK3_CFLAGS_OTHER})
 
 PKG_CHECK_MODULES(JSON REQUIRED json-glib-1.0)
 INCLUDE_DIRECTORIES(${JSON_INCLUDE_DIRS})
@@ -17,4 +17,4 @@ FIND_PACKAGE(CURL REQUIRED)
 INCLUDE_DIRECTORIES(${CURL_INCLUDE_DIRS})
 
 ADD_EXECUTABLE(Sagger main.c fpcalc.c fpcalc.h run.c run.h structures.h json.c json.h gtk.c gtk.h cli.c cli.h)
-TARGET_LINK_LIBRARIES(Sagger ${GTK3_LIBRARIES} ${JSON_LIBRARIES} ${CURL_LIBRARIES})
+TARGET_LINK_LIBRARIES(Sagger ${GTK3_LIBRARIES} ${JSON_LIBRARIES} ${CURL_LIBRARIES})