[kde-common/cmake] tde_setup_paths: some paths can be detected automatically using kde-config

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kde-common/cmake@1186350 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

modules/TDESetupPaths.cmake

@@ -9,135 +9,179 @@
 #
 #################################################
 
+#################################################
+#####
+##### __tde_internal_setup_paths_error
+
+macro( __tde_internal_setup_paths_error )
+  message( FATAL_ERROR
+    "#################################################\n"
+    " ${ARGV}\n"
+    "#################################################" )
+endmacro( __tde_internal_setup_paths_error )
+
+
+#################################################
+#####
+##### __tde_internal_setup_paths_status
+
+macro( __tde_internal_setup_paths_status __path __value __method )
+  message( STATUS "  ${__path}=${__value} [${__method}]" )
+endmacro( __tde_internal_setup_paths_status )
+
+
+#################################################
+#####
+##### __tde_internal_setup_path
+
+macro( __tde_internal_setup_path __path __default )
+  set( __method "user" )
+  if( NOT ${__path} )
+    set( __method "default" )
+    set( __kdeconfig_type ${ARGV2} )
+    if( _use_kdeconfig AND __kdeconfig_type )
+      execute_process(
+        COMMAND ${KDECONFIG_EXECUTABLE} --expandvars --install ${__kdeconfig_type}
+        OUTPUT_VARIABLE ${__path}
+        RESULT_VARIABLE __result
+        OUTPUT_STRIP_TRAILING_WHITESPACE )
+      if( __result )
+        __tde_internal_setup_paths_error( "Unable to run kde-config!\n kdelibs are correctly installed?\n LD_LIBRARY_PATH are correctly set?" )
+      endif( __result )
+    endif( _use_kdeconfig AND __kdeconfig_type )
+    if( ${__path} )
+      set( __method "kde-config" )
+    else( ${__path} )
+      set( ${__path} "${__default}" )
+    endif( ${__path} )
+  endif( NOT ${__path} )
+  __tde_internal_setup_paths_status( ${__path} ${${__path}} ${__method} )
+endmacro( __tde_internal_setup_path )
+
+
+#################################################
+#####
+##### tde_setup_paths
+
 macro( tde_setup_paths )
 
+  message( STATUS "Setup install paths:" )
+
   # --prefix
   # install architecture-independent files in PREFIX
   if( NOT PREFIX )
+    set( __method "CMAKE_INSTALL_PREFIX" )
     set( PREFIX "${CMAKE_INSTALL_PREFIX}" )
   else( NOT PREFIX )
     # PREFIX have precedence over CMAKE_INSTALL_PREFIX
+    set( __method "user" )
     set( CMAKE_INSTALL_PREFIX "${PREFIX}" )
   endif( NOT PREFIX )
+  __tde_internal_setup_paths_status( PREFIX ${PREFIX} ${__method} )
 
   # --exec-prefix
   # install architecture-dependent files in EPREFIX
   if( NOT EPREFIX )
+    set( __method "default" )
     set( EPREFIX "${PREFIX}" )
   endif( NOT EPREFIX )
+  __tde_internal_setup_paths_status( EPREFIX ${EPREFIX} ${__method} )
+
+  # we will using kde-config for discover paths
+  set( _use_kdeconfig ${ARGV0} )
+  if( _use_kdeconfig )
+    # KDECONFIG_EXECUTABLE is not set, so will must to search for it
+    if( NOT KDECONFIG_EXECUTABLE )
+      find_program( KDECONFIG_EXECUTABLE
+        NAMES kde-config
+        HINTS $ENV{KDEDIR}/bin
+        PATHS "${EPREFIX}/bin" "${PREFIX}/bin" "${CMAKE_INSTALL_PREFIX}/bin" )
+      if( NOT KDECONFIG_EXECUTABLE )
+        __tde_internal_setup_paths_error(
+
+"kde-config executable are NOT found!
+ kdelibs(-devel) are installed? EPREFIX are correctly set?
+ Try to set KDECONFIG_EXECUTABLE to kde-config path.
+ Example: cmake -DKDECONFIG_EXECUTABLE=/usr/kde/3.5/bin/kde-config" )
+
+      endif( NOT KDECONFIG_EXECUTABLE )
+    endif( NOT KDECONFIG_EXECUTABLE )
+  endif( _use_kdeconfig )
 
   # --bindir
   # user executables
-  if( NOT BINDIR )
+  __tde_internal_setup_path( BINDIR "${EPREFIX}/bin" "exe" )
-    set( BINDIR "${EPREFIX}/bin" )
-  endif( NOT BINDIR )
 
   # --sbindir
   # system admin executables
-  if( NOT SBINDIR )
+  __tde_internal_setup_path( SBINDIR "${EPREFIX}/sbin" )
-    set( SBINDIR "${EPREFIX}/sbin" )
-  endif( NOT SBINDIR )
 
   # --libexecdir
   # program executables
-  if( NOT LIBEXECDIR )
+  __tde_internal_setup_path( LIBEXECDIR "${EPREFIX}/libexec" )
-    set( LIBEXECDIR "${EPREFIX}/libexec" )
-  endif( NOT LIBEXECDIR )
 
   # --sysconfdir
   # read-only single-machine data
-  if( NOT SYSCONFDIR )
+  __tde_internal_setup_path( SYSCONFDIR "${PREFIX}/etc" )
-    set( SYSCONFDIR "${PREFIX}/etc" )
-  endif( NOT SYSCONFDIR )
 
   # --sharedstatedir
   # modifiable architecture-independent data
-  if( NOT SHAREDSTATEDIR )
+  __tde_internal_setup_path( SHAREDSTATEDIR "${PREFIX}/com" )
-    set( SHAREDSTATEDIR "${PREFIX}/com" )
-  endif( NOT SHAREDSTATEDIR )
 
   # --localstatedir
   # modifiable single-machine data
-  if( NOT LOCALSTATEDIR )
+  __tde_internal_setup_path( LOCALSTATEDIR "${PREFIX}/var" )
-    set( LOCALSTATEDIR "${PREFIX}/var" )
-  endif( NOT LOCALSTATEDIR )
 
   # --libdir
   # object code libraries
-  if( NOT LIBDIR )
+  __tde_internal_setup_path( LIBDIR "${EPREFIX}/lib" "lib" )
-    set( LIBDIR "${EPREFIX}/lib" )
-  endif( NOT LIBDIR )
 
   # --includedir
   # C header files
-  if( NOT INCLUDEDIR )
+  __tde_internal_setup_path( INCLUDEDIR "${PREFIX}/include" "include" )
-    set( INCLUDEDIR "${PREFIX}/include" )
-  endif( NOT INCLUDEDIR )
 
   # --oldincludedir
   # C header files for non-gcc
-  if( NOT OLDINCLUDEDIR )
+  __tde_internal_setup_path( OLDINCLUDEDIR "/usr/include" )
-    set( OLDINCLUDEDIR "/usr/include" )
-  endif( NOT OLDINCLUDEDIR )
 
   # --datarootdir
   # read-only arch.-independent data root
-  if( NOT DATAROOTDIR )
+  __tde_internal_setup_path( DATAROOTDIR "${PREFIX}/share" )
-    set( DATAROOTDIR "${PREFIX}/share" )
-  endif( NOT DATAROOTDIR )
 
   # --datadir
   # read-only architecture-independent data
-  if( NOT DATADIR )
+  __tde_internal_setup_path( DATADIR "${DATAROOTDIR}" )
-    set( DATADIR "${DATAROOTDIR}" )
-  endif( NOT DATADIR )
 
   # --infodir
   # info documentation
-  if( NOT INFODIR )
+  __tde_internal_setup_path( INFODIR "${DATAROOTDIR}/info" )
-    set( INFODIR "${DATAROOTDIR}/info" )
-  endif( NOT INFODIR )
 
   # --localedir
   # locale-dependent data
-  if( NOT LOCALEDIR )
+  __tde_internal_setup_path( LOCALEDIR "${DATAROOTDIR}/locale" )
-    set( LOCALEDIR "${DATAROOTDIR}/locale" )
-  endif( NOT LOCALEDIR )
 
   # --mandir
   # man documentation
-  if( NOT MANDIR )
+  __tde_internal_setup_path( MANDIR "${DATAROOTDIR}/man" )
-    set( MANDIR "${DATAROOTDIR}/man" )
-  endif( NOT MANDIR )
 
   # --docdir
   # documentation root
-  if( NOT DOCDIR )
+  __tde_internal_setup_path( DOCDIR "${DATAROOTDIR}/doc/${PACKAGE}" )
-    set( DOCDIR "${DATAROOTDIR}/doc/${PACKAGE}" )
-  endif( NOT DOCDIR )
 
   # --htmldir
   # html documentation
-  if( NOT HTMLDIR )
+  __tde_internal_setup_path( HTMLDIR "${DOCDIR}" "html" )
-    set( HTMLDIR "${DOCDIR}" )
-  endif( NOT HTMLDIR )
 
   # --dvidir
   # dvi documentation
-  if( NOT DVIDIR )
+  __tde_internal_setup_path( DVIDIR "${DOCDIR}" )
-    set( DVIDIR "${DOCDIR}" )
-  endif( NOT DVIDIR )
 
   # --pdfdir
   # pdf documentation
-  if( NOT PDFDIR )
+  __tde_internal_setup_path( PDFDIR "${DOCDIR}" )
-    set( PDFDIR "${DOCDIR}" )
-  endif( NOT PDFDIR )
 
   # --psdir
   # ps documentation
-  if( NOT PSDIR )
+  __tde_internal_setup_path( PSDIR "${DOCDIR}" )
-    set( PSDIR "${DOCDIR}" )
-  endif( NOT PSDIR )
 
 endmacro( tde_setup_paths )