Cmake add export

CMakeLists.txt

@@ -1,13 +1,28 @@
-project(ShivaVG)
+cmake_minimum_required(VERSION 3.0)
+
+project(ShivaVG
+    VERSION 0.2.1
+    LANGUAGES C
+    DESCRIPTION "The shivavg implementation of openvg"
+)
+
 # TODO test on Windows/MSVC
 # TODO test on Windows/MinGW
 # TODO separate targets for examples and install target
 # TODO update INSTALL/README etc
-cmake_minimum_required(VERSION 2.8)
+
 include(CheckIncludeFiles)
 include(CheckLibraryExists)
 include(CheckTypeSize)
+
+# make cache variables for install destinations
+include(GNUInstallDirs)
+
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
 set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules")
+set(CMAKE_C_FLAGS "-std=c99")
 
 # Processing the generator options
 # TODO: can we have a master option that will turn others in UI?
@@ -35,6 +50,7 @@ if(BUILD_ALL_EXAMPLES)
     set(BUILD_PATTERN ON)
     set(BUILD_BLEND ON)
     set(BUILD_EB ON)
+    set(BUILD_WARP ON)
 endif()
 set(BUILD_EXAMPLES BUILD_VGU OR BUILD_DASH OR BUILD_LINEAR OR BUILD_RADIAL OR BUILD_INTERPOLATE OR BUILD_TIGER OR 
     BUILD_IMAGE OR BUILD_PATTERN OR BUILD_BLEND OR BUILD_EB)
@@ -68,8 +84,6 @@ check_include_files(sys/stat.h HAVE_SYS_STAT_H)
 check_include_files(sys/types.h HAVE_SYS_TYPES_H)
 check_include_files(unistd.h HAVE_UNISTD_H)
 check_type_size("void*" SIZEOF_VOID_P)
-# TODO the AC_TYPE defines need porting
-find_package(ANSIC)
 
 # Trying to get the version of the package
 if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
@@ -85,10 +99,10 @@ if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
             endif()
         endif()
     else()
-        set(PACKAGE_VERSION "Unknown(no git)")
+        set(PACKAGE_VERSION $PROJECT_VERSION)
     endif()
 else()
-    set(PACKAGE_VERSION "Unknown(off-repo)")
+    set(PACKAGE_VERSION $PROJECT_VERSION)
 endif()
 
 # Names, strings etc

src/CMakeLists.txt

@@ -1,7 +1,8 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 3.0)
 # TODO headers as dependencies
 # TODO shared/static switch CMake-style
-set(libOpenVG_SOURCES 
+
+set(libOpenVG_SOURCES
     shExtensions.c
     shArrays.c
     shVectors.c
@@ -25,12 +26,81 @@ set(libOpenVG_HEADERS
     shPaint.h
     shGeometry.h
     shContext.h
-)
-add_definitions(-std=c99 -pedantic -DHAVE_CONFIG_H)
+    )
+
+add_definitions(-DHAVE_CONFIG_H)
 include_directories(${OPENGL_INCLUDE_DIR})
 # TODO what if OpenGL library has nonstandard location?
 add_library(OpenVG SHARED ${libOpenVG_SOURCES})
 target_link_libraries(OpenVG ${OPENGL_LIBRARIES} -lm)
 SET_TARGET_PROPERTIES( OpenVG PROPERTIES COMPILE_FLAGS -fPIC)
 
-install(TARGETS OpenVG DESTINATION lib)
+# create library
+add_library(OpenVG_objlib OBJECT ${libOpenVG_SOURCES})
+set_property(TARGET OpenVG_objlib PROPERTY POSITION_INDEPENDENT_CODE 1)
+
+# create library
+add_library(OpenVGStatic STATIC $<TARGET_OBJECTS:OpenVG_objlib>)
+set_target_properties(OpenVGStatic PROPERTIES LIBRARY_OUTPUT_NAME OpenVG.a)
+
+# create library
+add_library(OpenVG SHARED $<TARGET_OBJECTS:OpenVG_objlib>)
+target_link_libraries(OpenVG ${OPENGL_LIBRARIES} ${GLEW_LIBRARIES} -lm)
+
+# add include directories
+target_include_directories(OpenVG
+    PUBLIC
+    "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
+    "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+)
+
+# install the target and create export-set
+install(TARGETS OpenVG OpenVGStatic
+    EXPORT OpenVGTargets
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+)
+
+# header files (include/VG) are installed by ../CMakeLists.txt
+
+# generate and install export file
+install(EXPORT OpenVGTargets
+    FILE OpenVGTargets.cmake
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/OpenVG
+)
+
+
+
+include(CMakePackageConfigHelpers)
+
+set(version $PROJECT_VERSION)
+
+# generate the version file for the config file
+write_basic_package_version_file(
+    "${CMAKE_CURRENT_BINARY_DIR}/OpenVGConfigVersion.cmake"
+    VERSION "${version}"
+    COMPATIBILITY AnyNewerVersion
+)
+
+# create config file
+configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/Config.cmake.in
+    "${CMAKE_CURRENT_BINARY_DIR}/OpenVGConfig.cmake"
+    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/OpenVG
+    NO_CHECK_REQUIRED_COMPONENTS_MACRO
+)
+
+# install config files
+install(FILES
+    "${CMAKE_CURRENT_BINARY_DIR}/OpenVGConfig.cmake"
+    "${CMAKE_CURRENT_BINARY_DIR}/OpenVGConfigVersion.cmake"
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/OpenVG
+)
+
+
+
+# TODO verify
+# generate pkgconfig file
+set(target1 OpenVG)
+configure_file(openvg.pc.in lib/pkgconfig/openvg.pc @ONLY)

src/Config.cmake.in

@@ -0,0 +1,4 @@
+@PACKAGE_INIT@
+
+set(OpenVG_FOUND True)
+include("${CMAKE_CURRENT_LIST_DIR}/OpenVGTargets.cmake")

src/openvg.pc.in

@@ -0,0 +1,10 @@
+prefix="@CMAKE_INSTALL_PREFIX@"
+exec_prefix="${prefix}"
+libdir="${prefix}/lib"
+includedir="${prefix}/include"
+
+Name: @PROJECT_NAME@
+Description: @CMAKE_PROJECT_DESCRIPTION@
+Version: @PROJECT_VERSION@
+Cflags: -I${includedir}
+Libs: -L${libdir} -l@target1@