CMake: switch to GNUInstallDirs (#1424)

* Add GNUInstallDirs for standard installation directories

Distributions are given standard variables for already existing hooks.
Multiarch libdirs is taken care of automagically.
Raises minimum cmake version by a little.

* Handle CMAKE_INSTALL_xxx being absolute paths for .pc file generation

In some cases the CMAKE_INSTAL_{BIN,MAN,DOC,LIB,INCLUDE}DIR variables
may turn out to be absolute paths in which case prepending ${prefix} in
the pkg-config .pc files will result in incorrect values.

For .pc file generation, figure out if these variables are absolute and
omit the prefix in the configured file when so.

See: https://github.com/OSGeo/PROJ/commit/ab25e4b7ed9544e668282dcd293cfaaa2e56dbdf

6 files changed, 27 insertions, 27 deletions

diff --git a/src/bin/jp2/CMakeLists.txt b/src/bin/jp2/CMakeLists.txt
index 4d4bd952..29b4dd20 100644
--- a/src/bin/jp2/CMakeLists.txt
+++ b/src/bin/jp2/CMakeLists.txt
@@ -67,7 +67,7 @@ foreach(exe opj_decompress opj_compress opj_dump)
   # Install exe
   install(TARGETS ${exe}
     EXPORT OpenJPEGTargets
-    DESTINATION ${OPENJPEG_INSTALL_BIN_DIR} COMPONENT Applications
+    DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT Applications
   )
   if(OPJ_USE_DSYMUTIL)
     add_custom_command(TARGET ${exe} POST_BUILD
@@ -83,6 +83,6 @@ install(
   FILES       ${OPENJPEG_SOURCE_DIR}/doc/man/man1/opj_compress.1
               ${OPENJPEG_SOURCE_DIR}/doc/man/man1/opj_decompress.1
               ${OPENJPEG_SOURCE_DIR}/doc/man/man1/opj_dump.1
-  DESTINATION ${OPENJPEG_INSTALL_MAN_DIR}/man1)
+  DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
 #
 endif()
diff --git a/src/bin/jpip/CMakeLists.txt b/src/bin/jpip/CMakeLists.txt
index c16e4271..a501cfa5 100644
--- a/src/bin/jpip/CMakeLists.txt
+++ b/src/bin/jpip/CMakeLists.txt
@@ -13,7 +13,7 @@ add_executable(opj_jpip_addxml opj_jpip_addxml.c)
 # Install exe
 install(TARGETS opj_jpip_addxml
   EXPORT OpenJPEGTargets
-  DESTINATION ${OPENJPEG_INSTALL_BIN_DIR} COMPONENT Applications
+  DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT Applications
   )
 
 if(BUILD_JPIP_SERVER)
@@ -38,7 +38,7 @@ if(BUILD_JPIP_SERVER)
   # Install exe
   install(TARGETS opj_server
     EXPORT OpenJPEGTargets
-    DESTINATION ${OPENJPEG_INSTALL_BIN_DIR} COMPONENT Applications
+    DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT Applications
     )
 endif()
 
@@ -52,7 +52,7 @@ add_executable(${exe} ${exe}.c)
   target_link_libraries(${exe} openjpip)
   install(TARGETS ${exe}
     EXPORT OpenJPEGTargets
-    DESTINATION ${OPENJPEG_INSTALL_BIN_DIR} COMPONENT Applications
+    DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT Applications
     )
 endforeach()
 
@@ -123,7 +123,7 @@ if(Java_Development_FOUND AND Java_JAVAC_EXECUTABLE)
       )
 
     install(FILES ${LIBRARY_OUTPUT_PATH}/opj_jpip_viewer.jar
-      DESTINATION ${OPENJPEG_INSTALL_SHARE_DIR} COMPONENT JavaModule
+      DESTINATION ${CMAKE_INSTALL_DATAROOTDIR} COMPONENT JavaModule
       )
   else()
     # opj_viewer (simple, no xerces)
@@ -153,7 +153,7 @@ if(Java_Development_FOUND AND Java_JAVAC_EXECUTABLE)
       )
 
     install(FILES ${LIBRARY_OUTPUT_PATH}/opj_jpip_viewer.jar
-      DESTINATION ${OPENJPEG_INSTALL_SHARE_DIR} COMPONENT JavaModule
+      DESTINATION ${CMAKE_INSTALL_DATAROOTDIR} COMPONENT JavaModule
       )
   endif()
 else()
diff --git a/src/lib/openjp2/CMakeLists.txt b/src/lib/openjp2/CMakeLists.txt
index ea4131a3..e65cb9d1 100644
--- a/src/lib/openjp2/CMakeLists.txt
+++ b/src/lib/openjp2/CMakeLists.txt
@@ -2,7 +2,7 @@ include_regular_expression("^.*$")
 
 #
 install( FILES  ${CMAKE_CURRENT_BINARY_DIR}/opj_config.h
- DESTINATION ${OPENJPEG_INSTALL_INCLUDE_DIR} COMPONENT Headers)
+ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${OPENJPEG_INSTALL_SUBDIR} COMPONENT Headers)
 
 include_directories(
   ${${OPENJPEG_NAMESPACE}_BINARY_DIR}/src/lib/openjp2 # opj_config.h and opj_config_private.h
@@ -117,21 +117,21 @@ endif()
 # Install library
 install(TARGETS ${INSTALL_LIBS}
   EXPORT OpenJPEGTargets
-  RUNTIME DESTINATION ${OPENJPEG_INSTALL_BIN_DIR} COMPONENT Applications
-  LIBRARY DESTINATION ${OPENJPEG_INSTALL_LIB_DIR} COMPONENT Libraries
-  ARCHIVE DESTINATION ${OPENJPEG_INSTALL_LIB_DIR} COMPONENT Libraries
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT Applications
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries
 )
 
 # Install includes files
 install(FILES openjpeg.h opj_stdint.h
-  DESTINATION ${OPENJPEG_INSTALL_INCLUDE_DIR} COMPONENT Headers
+  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${OPENJPEG_INSTALL_SUBDIR} COMPONENT Headers
 )
 
 if(BUILD_DOC)
 # install man page of the library
 install(
   FILES       ${OPENJPEG_SOURCE_DIR}/doc/man/man3/libopenjp2.3
-  DESTINATION ${OPENJPEG_INSTALL_MAN_DIR}/man3)
+  DESTINATION ${CMAKE_INSTALL_MANDIR}/man3)
 endif()
 
 if(BUILD_LUTS_GENERATOR)
diff --git a/src/lib/openjp2/libopenjp2.pc.cmake.in b/src/lib/openjp2/libopenjp2.pc.cmake.in
index 00fdacd1..2ade312b 100644
--- a/src/lib/openjp2/libopenjp2.pc.cmake.in
+++ b/src/lib/openjp2/libopenjp2.pc.cmake.in
@@ -1,9 +1,9 @@
 prefix=@CMAKE_INSTALL_PREFIX@
-bindir=${prefix}/@OPENJPEG_INSTALL_BIN_DIR@
-mandir=${prefix}/@OPENJPEG_INSTALL_MAN_DIR@
-docdir=${prefix}/@OPENJPEG_INSTALL_DOC_DIR@
-libdir=${prefix}/@OPENJPEG_INSTALL_LIB_DIR@
-includedir=${prefix}/@OPENJPEG_INSTALL_INCLUDE_DIR@
+bindir=@bindir@
+mandir=@mandir@
+docdir=@docdir@
+libdir=@libdir@
+includedir=@includedir@
 
 Name: openjp2
 Description: JPEG2000 library (Part 1 and 2)
diff --git a/src/lib/openjpip/CMakeLists.txt b/src/lib/openjpip/CMakeLists.txt
index b3cb8ce8..aace36d4 100644
--- a/src/lib/openjpip/CMakeLists.txt
+++ b/src/lib/openjpip/CMakeLists.txt
@@ -74,9 +74,9 @@ endif()
 # Install library
 install(TARGETS openjpip
   EXPORT OpenJPEGTargets
-  RUNTIME DESTINATION ${OPENJPEG_INSTALL_BIN_DIR} COMPONENT Applications
-  LIBRARY DESTINATION ${OPENJPEG_INSTALL_LIB_DIR} COMPONENT Libraries
-  ARCHIVE DESTINATION ${OPENJPEG_INSTALL_LIB_DIR} COMPONENT Libraries
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT Applications
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries
   )
 
 if(BUILD_JPIP_SERVER)
@@ -86,6 +86,6 @@ if(BUILD_JPIP_SERVER)
     PROPERTIES COMPILE_FLAGS "-DSERVER")
   install(TARGETS openjpip_server
     EXPORT OpenJPEGTargets
-    DESTINATION ${OPENJPEG_INSTALL_LIB_DIR} COMPONENT Libraries
+    DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries
     )
 endif()
diff --git a/src/lib/openjpip/libopenjpip.pc.cmake.in b/src/lib/openjpip/libopenjpip.pc.cmake.in
index 183b68ff..fc97ef04 100644
--- a/src/lib/openjpip/libopenjpip.pc.cmake.in
+++ b/src/lib/openjpip/libopenjpip.pc.cmake.in
@@ -1,9 +1,9 @@
 prefix=@CMAKE_INSTALL_PREFIX@
-bindir=${prefix}/@OPENJPEG_INSTALL_BIN_DIR@
-mandir=${prefix}/@OPENJPEG_INSTALL_MAN_DIR@
-docdir=${prefix}/@OPENJPEG_INSTALL_DOC_DIR@
-libdir=${prefix}/@OPENJPEG_INSTALL_LIB_DIR@
-includedir=${prefix}/@OPENJPEG_INSTALL_INCLUDE_DIR@
+bindir=@bindir@
+mandir=@mandir@
+docdir=@docdir@
+libdir=@libdir@
+includedir=@includedir@
 
 Name: openjpip
 Description: JPEG2000 Interactivity tools, APIs and protocols (Part 9)