treewide: replace prefix/libdir and prefix/includedir with full_lib/i…

…ncludedir

Fixes pkg-config file when CMAKE_INSTALL_{INCLUDE,LIB}DIR is absolute, such as with Nix

See NixOS/nixpkgs#181875 for some context

CMakeLists.txt

@@ -180,7 +180,7 @@ endif()
 
 # Codecs & icons paths
 #
-set(SAIL_CODECS_PATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/sail/codecs")
+set(SAIL_CODECS_PATH "${CMAKE_INSTALL_FULL_LIBDIR}/sail/codecs")
 if (WIN32)
     string(REPLACE "/" "\\\\" SAIL_CODECS_PATH "${SAIL_CODECS_PATH}")
 endif()
@@ -313,9 +313,9 @@ message("*       For example, if you configure with -DBUILD_SHARED_LIBS=OFF -DSA
 message("*       the final value of SAIL_COMBINE_CODECS will be ON.")
 message("*")
 message("* Install prefix:               ${CMAKE_INSTALL_PREFIX}")
-message("* LIBDIR:                       ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
-message("* INCLUDEDIR:                   ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}")
-message("* DATADIR:                      ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATAROOTDIR}")
+message("* LIBDIR:                       ${CMAKE_INSTALL_FULL_LIBDIR}")
+message("* INCLUDEDIR:                   ${CMAKE_INSTALL_FULL_INCLUDEDIR}")
+message("* DATADIR:                      ${CMAKE_INSTALL_FULL_DATAROOTDIR}")
 message("*")
 message("* Enabled codecs:               ${ENABLED_CODECS}")
 message("* Disabled codecs:              ${DISABLED_CODECS}")

src/bindings/c++/pkgconfig/libsail-c++.pc.in

@@ -1,7 +1,7 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=@CMAKE_INSTALL_PREFIX@
-libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
-includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@/sail
+libdir=${CMAKE_INSTALL_FULL_LIBDIR}@
+includedir=${CMAKE_INSTALL_FULL_INCLUDEDIR}@
 
 Name: libsail-c++
 Description: SAIL C++ client library

src/libsail-common/pkgconfig/libsail-common.pc.in

@@ -1,7 +1,7 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=@CMAKE_INSTALL_PREFIX@
-libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
-includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@/sail
+libdir=${CMAKE_INSTALL_FULL_LIBDIR}@
+includedir=${CMAKE_INSTALL_FULL_INCLUDEDIR}@
 
 Name: libsail-common
 Description: SAIL common client library

src/libsail-manip/pkgconfig/libsail-manip.pc.in

@@ -1,7 +1,7 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=@CMAKE_INSTALL_PREFIX@
-libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
-includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@/sail
+libdir=${CMAKE_INSTALL_FULL_LIBDIR}@
+includedir=${CMAKE_INSTALL_FULL_INCLUDEDIR}@
 
 Name: libsail-manip
 Description: SAIL image manipulation library

src/libsail/pkgconfig/libsail.pc.in

@@ -1,7 +1,7 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=@CMAKE_INSTALL_PREFIX@
-libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
-includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@/sail
+libdir=${CMAKE_INSTALL_FULL_LIBDIR}@
+includedir=${CMAKE_INSTALL_FULL_INCLUDEDIR}@
 
 Name: libsail
 Description: SAIL client library