[CMake] How to use pkg-config in CMakeLists.txt

[张世勇]

Hello All
I'm newer for CMake.  Now I'm trying to use CMake in current project, but I met following issue
CMakeLists.txt : 
FIND_PACKAGE(PkgConfig)PKG_CHECK_MODULES(GLIB glib-2.0)PKG_CHECK_MODULES(GTHREAD gthread-2.0)PKG_CHECK_MODULES(GOBJECT gobject-2.0)
SET(GLIB_LIBS glib-2.0 gthread-2.0 gobject-2.0)
EXEC_PROGRAM(pkg-config ARGS --cflags ${GLIB_LIBS} OUTPUT_VARIABLE GLIB2_CFLAGS RETURE_VALUE PKG_CONFIG_RETURE_VALUE)EXEC_PROGRAM(pkg-config ARGS --libs ${GLIB_LIBS} OUTPUT_VARIABLE GLIB2_LIBS RETURN_VALUE PKG_CONFIG_RETURE_VALUE)MESSAGE(${GLIB2_CFLAGS})MESSAGE(${GLIB2_LIBS})
INCLUDE_DIRECTORIES(AFTER GLIB_INCLUDE_DIRS)INCLUDE_DIRECTORIES(AFTER GTHREAD_INCLUDE_DIRS)INCLUDE_DIRECTORIES(AFTER GOBJECT_INCLUDE_DIRS)
INCLUDE_DIRECTORIES(AFTER                ${PROJECT_SOURCE_DIR}/include                ${PROJECT_SOURCE_DIR}/include/message)INCLUDE_DIRECTORIES(AFTER ${GLIB2_CFLAGS})
SET(SRC_LIST main.c nmp_args.c nmp_message.c nmp_sysctl.c)ADD_EXECUTABLE(nmp-cms ${SRC_LIST})TARGET_LINK_LIBRARIES(nmp-cms ${GLIB2_LIBS})
When I execute 'CMake VERBOSE=1', I found its output was the following. How could I remove the quotation marks ? Or it's incorrect to use the pkg-config in CMakelist ? 
cd /home/compiler/nmp-cms/build/obj/core && /usr/bin/gcc   -I/home/compiler/nmp-cms/src/core/GLIB_INCLUDE_DIRS -I/home/compiler/nmp-cms/src/core/GTHREAD_INCLUDE_DIRS -I/home/compiler/nmp-cms/src/core/GOBJECT_INCLUDE_DIRS -I/home/compiler/nmp-cms/include -I/home/compiler/nmp-cms/include/message -I"/home/compiler/nmp-cms/src/core/-pthread -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"    -o CMakeFiles/nmp-cms.dir/main.c.o   -c /home/compiler/nmp-cms/src/core/main.c/home/compiler/nmp-cms/src/core/main.c:5:18: fatal error: glib.h: No such file or directory
Sean


 		 	   		  
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