[uchardet: 18/29] cmake: use GNUInstallDirs cmake module

[Jehan Pagès <jehanp src gnome org>]

commit 31a53570d6f7024c23b0bbc1b22bd5d0f6c37947
Author: Ilya Tumaykin <itumaykin gmail com>
Date:   Mon Mar 21 20:40:42 2016 +0300

    cmake: use GNUInstallDirs cmake module
    
    Available in cmake >= 2.8.5.

 CMakeLists.txt     |   37 +++++--------------------------------
 doc/CMakeLists.txt |    2 +-
 src/CMakeLists.txt |   12 +++++-------
 3 files changed, 11 insertions(+), 40 deletions(-)
---
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4c50294..edac194 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,43 +29,16 @@ set (
 
 ######## Directory
 
-set (DIR_PREFIX ${CMAKE_INSTALL_PREFIX})
-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)
+include(GNUInstallDirs)
 
 ######## Configuration
 
-option(BUILD_SHARED_LIBS "Build shared library and link executable against it"
-       ON)
+option(BUILD_BINARY "Build executable" 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
diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index f14354e..10751f8 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -2,5 +2,5 @@ install(
        FILES
                uchardet.1
        DESTINATION
-               ${DIR_SHARE}/man/man1
+               ${CMAKE_INSTALL_MANDIR}/man1
 )
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 95148e4..73c672a 100644
--- a/src/CMakeLists.txt
+++ b/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)