cmake: use GNUInstallDirs cmake module

Available in cmake >= 2.8.5.

CMakeLists.txt

@@ -29,43 +29,16 @@ set (
 
 ######## Directory
 
-set (DIR_PREFIX ${CMAKE_INSTALL_PREFIX})
+include(GNUInstallDirs)
-set (DIR_LIBRARY ${DIR_PREFIX}/${CMAKE_SHARED_LIBRARY_PREFIX})
-set (DIR_LIBRARY_STATIC ${DIR_PREFIX}/${CMAKE_STATIC_LIBRARY_PREFIX})
-set (DIR_INCLUDE ${DIR_PREFIX}/include)
-set (DIR_SHARE ${DIR_PREFIX}/share)
-set (DIR_ETC ${DIR_PREFIX}/etc)
-
-set (CMAKE_INSTALL_BINDIR bin CACHE STRING "Install location of executables")
-
-if (DEFINED CMAKE_INSTALL_LIBDIR)
-	set (DIR_LIBRARY ${CMAKE_INSTALL_LIBDIR})
-	set (DIR_LIBRARY_STATIC ${CMAKE_INSTALL_LIBDIR})
-endif (DEFINED CMAKE_INSTALL_LIBDIR)
-
-if (DEFINED SHARE_INSTALL_PREFIX)
-	set (DIR_SHARE ${SHARE_INSTALL_PREFIX})
-endif (DEFINED SHARE_INSTALL_PREFIX)
-
-if (DEFINED INCLUDE_INSTALL_DIR)
-	set (DIR_INCLUDE ${INCLUDE_INSTALL_DIR})
-endif (DEFINED INCLUDE_INSTALL_DIR)
-
-if (DEFINED SYSCONF_INSTALL_DIR)
-	set (DIR_ETC ${SYSCONF_INSTALL_DIR})
-endif (DEFINED SYSCONF_INSTALL_DIR)
-
-set (DIR_SHARE_UCHARDET ${DIR_SHARE}/${PACKAGE_NAME})
-set (DIR_SHARE_LOCALE ${DIR_SHARE}/locale)
 
 ######## Configuration
 
-option(BUILD_SHARED_LIBS "Build shared library and link executable against it"
+option(BUILD_BINARY "Build executable" ON)
-	ON)
+option(BUILD_SHARED_LIBS "Build shared library and link executable to it" ON)
+
 if (BUILD_SHARED_LIBS)
 	option(BUILD_STATIC "Build static library" ON)
 endif (BUILD_SHARED_LIBS)
-option(BUILD_BINARY "Build executable" ON)
 
 configure_file(
 	uchardet.pc.in
@@ -77,7 +50,7 @@ install(
 	FILES
 		${CMAKE_BINARY_DIR}/uchardet.pc
 	DESTINATION
-		${DIR_LIBRARY}/pkgconfig
+		${CMAKE_INSTALL_LIBDIR}/pkgconfig
 )
 
 ######## Subdirectories

doc/CMakeLists.txt

@@ -2,5 +2,5 @@ install(
 	FILES
 		uchardet.1
 	DESTINATION
-		${DIR_SHARE}/man/man1
+		${CMAKE_INSTALL_MANDIR}/man1
 )

src/CMakeLists.txt

@@ -47,8 +47,6 @@ if (BUILD_STATIC AND BUILD_SHARED_LIBS)
 endif ()
 
 add_definitions(
-	-DPKGDATADIR="${DIR_SHARE_UCHARDET}"
-	-DLOCALEDIR="${DIR_SHARE_LOCALE}"
 	-DVERSION="${UCHARDET_VERSION}"
 	-DPACKAGE_NAME="${PACKAGE_NAME}"
 	-Wall
@@ -103,9 +101,9 @@ if (NOT WIN32)
 		TARGETS
 			${UCHARDET_TARGET}
 		LIBRARY DESTINATION
-			${DIR_LIBRARY}
+			${CMAKE_INSTALL_LIBDIR}
 		ARCHIVE DESTINATION
-			${DIR_LIBRARY}
+			${CMAKE_INSTALL_LIBDIR}
 	)
 else (NOT WIN32)
 	install(
@@ -114,7 +112,7 @@ else (NOT WIN32)
 		RUNTIME DESTINATION
 			${CMAKE_INSTALL_BINDIR}
 		ARCHIVE DESTINATION
-			${DIR_LIBRARY}
+			${CMAKE_INSTALL_LIBDIR}
 	)
 endif (NOT WIN32)
 
@@ -123,7 +121,7 @@ if (UCHARDET_STATIC_TARGET)
 		TARGETS
 			${UCHARDET_STATIC_TARGET}
 		ARCHIVE DESTINATION
-			${DIR_LIBRARY_STATIC}
+			${CMAKE_INSTALL_LIBDIR}
 	)
 endif (UCHARDET_STATIC_TARGET)
 
@@ -131,7 +129,7 @@ install(
 	FILES
 		${UCHARDET_HEADERS}
 	DESTINATION
-		${DIR_INCLUDE}/uchardet
+		${CMAKE_INSTALL_INCLUDEDIR}/${PACKAGE_NAME}
 )
 
 include(symbols.cmake)