[cmake] handle include directories separately

- update cmake required version to 3.0
- should workaround cmake CodeBlocks generator (-> qtcreator) bug with not finding the include paths

Change-Id: I95a6741ff9fc6cc75ae62774ad53d438bfd67b90

CMakeLists.txt

@@ -1,4 +1,4 @@
-CMAKE_MINIMUM_REQUIRED(VERSION 2.6.4 FATAL_ERROR)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.0 FATAL_ERROR)
 
 PROJECT(lighttpd C)
 SET(PACKAGE_NAME ${CMAKE_PROJECT_NAME})

cmake/FindLibEV.cmake

@@ -31,6 +31,8 @@ IF(NOT LIBEV_FOUND)
 			IF(HAVE_LIBEV)
 				SET(LIBEV_LIBRARIES ev CACHE INTERNAL "")
 				SET(LIBEV_CFLAGS "" CACHE INTERNAL "")
+				SET(LIBEV_CFLAGS_OTHER "" CACHE INTERNAL "")
+				SET(LIBEV_INCLUDE_DIRS "" CACHE INTERNAL "")
 				SET(LIBEV_LDFLAGS "-L${LIBEV_LIBDIR} -lev" CACHE INTERNAL "")
 				SET(LIBEV_FOUND TRUE CACHE INTERNAL "Found libev" FORCE)
 			ELSE(HAVE_LIBEV)
@@ -49,6 +51,8 @@ IF(NOT LIBEV_FOUND)
 				CHECK_LIBRARY_EXISTS(ev ev_time "" HAVE_LIBEV)
 				IF(HAVE_LIBEV)
 					SET(LIBEV_CFLAGS "" CACHE INTERNAL "")
+					SET(LIBEV_CFLAGS_OTHER "" CACHE INTERNAL "")
+					SET(LIBEV_INCLUDE_DIRS "" CACHE INTERNAL "")
 					SET(LIBEV_LDFLAGS "-lev" CACHE INTERNAL "")
 					SET(LIBEV_FOUND TRUE CACHE INTERNAL "Found libev" FORCE)
 				ELSE(HAVE_LIBEV)

cmake/LighttpdMacros.cmake

@@ -11,6 +11,7 @@ MACRO(ADD_AND_INSTALL_LIBRARY LIBNAME SRCFILES)
 		ADD_TARGET_PROPERTIES(${LIBNAME} LINK_FLAGS ${COMMON_LDFLAGS})
 		ADD_TARGET_PROPERTIES(${LIBNAME} COMPILE_FLAGS ${COMMON_CFLAGS})
 		SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
+		TARGET_INCLUDE_DIRECTORIES(${LIBNAME} PRIVATE ${COMMON_INCLUDE_DIRECTORIES})
 
 		TARGET_LINK_LIBRARIES(${LIBNAME} lighttpd-${PACKAGE_VERSION}-common lighttpd-${PACKAGE_VERSION}-shared)
 

src/CMakeLists.txt

@@ -346,7 +346,8 @@ ELSE(BUILD_EXTRA_WARNINGS)
 ENDIF(BUILD_EXTRA_WARNINGS)
 
 SET(COMMON_LDFLAGS "${LUA_LDFLAGS} ${LIBEV_LDFLAGS} ${GTHREAD_LDFLAGS} ${GMODULE_LDFLAGS}${WARN_LDFLAGS}")
-SET(COMMON_CFLAGS "${LUA_CFLAGS} ${LIBEV_CFLAGS} ${GTHREAD_CFLAGS} ${GMODULE_CFLAGS}${WARN_CFLAGS}")
+SET(COMMON_CFLAGS "${LUA_CFLAGS_OTHER} ${LIBEV_CFLAGS_OTHER} ${GTHREAD_CFLAGS_OTHER} ${GMODULE_CFLAGS_OTHER}${WARN_CFLAGS}")
+SET(COMMON_INCLUDE_DIRECTORIES ${LUA_INCLUDE_DIRS} ${LIBEV_INCLUDE_DIRS} ${GTHREAD_INCLUDE_DIRS} ${GMODULE_INCLUDE_DIRS})
 
 ADD_AND_INSTALL_LIBRARY(mod_access "modules/mod_access.c")
 ADD_AND_INSTALL_LIBRARY(mod_accesslog "modules/mod_accesslog.c")
@@ -396,18 +397,23 @@ ENDIF(WITH_OPENSSL)
 
 TARGET_LINK_LIBRARIES(lighttpd-${PACKAGE_VERSION}-common ${COMMON_LDFLAGS} ${UNWIND_LDFLAGS})
 ADD_TARGET_PROPERTIES(lighttpd-${PACKAGE_VERSION}-common COMPILE_FLAGS ${COMMON_CFLAGS} ${UNWIND_CFLAGS})
+TARGET_INCLUDE_DIRECTORIES(lighttpd-${PACKAGE_VERSION}-common PUBLIC ${COMMON_INCLUDE_DIRECTORIES})
 
 TARGET_LINK_LIBRARIES(lighttpd-${PACKAGE_VERSION}-shared ${COMMON_LDFLAGS} m)
 ADD_TARGET_PROPERTIES(lighttpd-${PACKAGE_VERSION}-shared COMPILE_FLAGS ${COMMON_CFLAGS})
+TARGET_INCLUDE_DIRECTORIES(lighttpd-${PACKAGE_VERSION}-shared PUBLIC ${COMMON_INCLUDE_DIRECTORIES})
 
 TARGET_LINK_LIBRARIES(lighttpd-${PACKAGE_VERSION}-sharedangel ${COMMON_LDFLAGS})
 ADD_TARGET_PROPERTIES(lighttpd-${PACKAGE_VERSION}-sharedangel COMPILE_FLAGS ${COMMON_CFLAGS})
+TARGET_INCLUDE_DIRECTORIES(lighttpd-${PACKAGE_VERSION}-sharedangel PUBLIC ${COMMON_INCLUDE_DIRECTORIES})
 
 TARGET_LINK_LIBRARIES(lighttpd2-worker ${COMMON_LDFLAGS})
 ADD_TARGET_PROPERTIES(lighttpd2-worker COMPILE_FLAGS ${COMMON_CFLAGS})
+TARGET_INCLUDE_DIRECTORIES(lighttpd2-worker PUBLIC ${COMMON_INCLUDE_DIRECTORIES})
 
 TARGET_LINK_LIBRARIES(lighttpd2 ${COMMON_LDFLAGS})
 ADD_TARGET_PROPERTIES(lighttpd2 COMPILE_FLAGS ${COMMON_CFLAGS})
+TARGET_INCLUDE_DIRECTORIES(lighttpd2 PUBLIC ${COMMON_INCLUDE_DIRECTORIES})
 
 IF(HAVE_LIBCRYPT)
 	TARGET_LINK_LIBRARIES(lighttpd-${PACKAGE_VERSION}-common crypt)
@@ -460,6 +466,7 @@ IF(BUILD_UNIT_TESTS)
 
 		TARGET_LINK_LIBRARIES(${EXENAME} ${COMMON_LDFLAGS})
 		ADD_TARGET_PROPERTIES(${EXENAME} COMPILE_FLAGS ${COMMON_CFLAGS})
+		TARGET_INCLUDE_DIRECTORIES(${EXENAME} PUBLIC ${COMMON_INCLUDE_DIRECTORIES})
 
 		TARGET_LINK_LIBRARIES(${EXENAME} lighttpd-${PACKAGE_VERSION}-common lighttpd-${PACKAGE_VERSION}-shared)