cmake: Simplify export.h usage

Rename it from "libfreenect2/libfreenect2_export.h" to
<libfreenect2/export.h>.

Author: xlz

CMakeLists.txt

@@ -68,7 +68,6 @@ INCLUDE_DIRECTORIES(
 LINK_DIRECTORIES(${LibUSB_LIBRARY_DIRS})
 
 SET(RESOURCES_INC_FILE "${PROJECT_BINARY_DIR}/resources.inc.h")
-SET(CONFIG_H_FILE "${PROJECT_BINARY_DIR}/libfreenect2/config.h")
 
 SET(SOURCES
   include/internal/libfreenect2/protocol/command.h
@@ -117,7 +116,8 @@ SET(SOURCES
 
   ${LIBFREENECT2_THREADING_SOURCE}
   ${RESOURCES_INC_FILE}
-  ${CONFIG_H_FILE}
+  "${PROJECT_BINARY_DIR}/libfreenect2/config.h"
+  "${PROJECT_BINARY_DIR}/libfreenect2/export.h"
 )
 
 SET(LIBRARIES
@@ -200,7 +200,7 @@ IF(DEFINED CMAKE_INSTALL_RPATH)
   MESSAGE(STATUS "RPATH set to ${CMAKE_INSTALL_RPATH}")
 ENDIF()
 
-CONFIGURE_FILE("${MY_DIR}/include/libfreenect2/config.h.in" "${CONFIG_H_FILE}" @ONLY)
+CONFIGURE_FILE("${MY_DIR}/include/libfreenect2/config.h.in" "${PROJECT_BINARY_DIR}/libfreenect2/config.h" @ONLY)
 GENERATE_RESOURCES(${RESOURCES_INC_FILE} ${MY_DIR} ${RESOURCES})
 
 ADD_DEFINITIONS(-DRESOURCES_INC)
@@ -212,6 +212,7 @@ INCLUDE(GenerateExportHeader)
 ADD_LIBRARY(freenect2 ${SOURCES})
 GENERATE_EXPORT_HEADER(freenect2
   BASE_NAME libfreenect2
+  EXPORT_FILE_NAME libfreenect2/export.h
 )
 
 IF(MSVC AND NOT BUILD_SHARED_LIBS)
@@ -226,8 +227,7 @@ CONFIGURE_FILE(freenect2.pc.in "${PROJECT_BINARY_DIR}/freenect2.pc" @ONLY)
 
 INSTALL(TARGETS freenect2 DESTINATION lib)
 INSTALL(DIRECTORY "${MY_DIR}/include/${PROJECT_NAME}" DESTINATION include PATTERN "*.in" EXCLUDE)
-INSTALL(FILES "${CONFIG_H_FILE}" DESTINATION include/${PROJECT_NAME})
-INSTALL(FILES "${PROJECT_BINARY_DIR}/libfreenect2_export.h" DESTINATION include/${PROJECT_NAME})
+INSTALL(DIRECTORY "${PROJECT_BINARY_DIR}/${PROJECT_NAME}" DESTINATION include)
 INSTALL(FILES "${PROJECT_BINARY_DIR}/freenect2Config.cmake" DESTINATION lib/cmake/freenect2/)
 INSTALL(FILES "${PROJECT_BINARY_DIR}/freenect2.pc" DESTINATION lib/pkgconfig/)
 

include/libfreenect2/config.h.in

@@ -33,7 +33,7 @@
 #define LIBFREENECT2_PACK( __Declaration__ ) __Declaration__ __attribute__((__packed__))
 #endif
 
-#include "libfreenect2_export.h"
+#include <libfreenect2/export.h>
 #define LIBFREENECT2_API LIBFREENECT2_EXPORT
 
 #cmakedefine LIBFREENECT2_WITH_OPENGL_SUPPORT