Merge pull request #20 from alanxz/cmake_build_improvements

CMake build system improvements

1 files changed, 103 insertions, 0 deletions

diff --git a/cmake/FindXmlTo.cmake b/cmake/FindXmlTo.cmake
new file mode 100644
index 0000000..713e0e8
--- /dev/null
+++ b/cmake/FindXmlTo.cmake
@@ -0,0 +1,103 @@
+# - Convert XML docBook files to various formats
+# This will convert XML docBook files to various formats like:
+# man html txt dvi ps pdf
+#  macro XMLTO(outfiles infiles... MODES modes...)
+
+set ( XmlTo_FOUND false )
+
+find_program ( XMLTO_EXECUTABLE
+  NAMES xmlto
+  DOC   "path to the xmlto docbook xslt frontend"  
+)
+
+if ( XMLTO_EXECUTABLE )
+  set ( XmlTo_FOUND true )
+endif ( XMLTO_EXECUTABLE )
+
+if ( NOT XmlTo_FIND_QUIETLY )
+  if ( XmlTo_FIND_REQUIRED )
+    FATAL_ERROR ( "xmlto not found" )
+  endif ( XmlTo_FIND_REQUIRED )
+endif ( NOT XmlTo_FIND_QUIETLY )
+
+macro ( _XMLTO_FILE outfiles mode)
+  #special settings
+  set ( XMLTO_FILEEXT_man 1 )
+  set ( XMLTO_MODE_html xhtml-nochunks )
+
+  if ( NOT XMLTO_MODE_${mode})
+    set ( XMLTO_MODE_${mode} ${mode} )
+  endif ( NOT XMLTO_MODE_${mode} )
+  if ( NOT XMLTO_FILEEXT_${mode} )
+    set ( XMLTO_FILEEXT_${mode} ${mode} )
+  endif ( NOT XMLTO_FILEEXT_${mode} )
+
+  foreach ( dbFile ${ARGN} )
+    #TODO: set XMLTO_FILEEXT_man to value from <manvolnum>
+    if ( "${mode}" STREQUAL "man" )
+      file ( READ "${dbFile}" _DB_FILE_CONTENTS )
+      string ( REGEX MATCH "<manvolnum>[^<]*" XMLTO_FILEEXT_${mode} "${_DB_FILE_CONTENTS}" )
+      string ( REGEX REPLACE "^<manvolnum>" "" XMLTO_FILEEXT_${mode} "${XMLTO_FILEEXT_${mode}}" )
+      string ( REGEX REPLACE "[[:space:]]" "" XMLTO_FILEEXT_${mode} "${XMLTO_FILEEXT_${mode}}" )
+    endif ( "${mode}" STREQUAL "man" )
+
+    get_filename_component ( dbFilePath ${CMAKE_CURRENT_BINARY_DIR}/${dbFile} PATH )
+    get_filename_component ( dbFileWE ${dbFile} NAME_WE )
+    get_filename_component ( dbFileAbsWE ${dbFilePath}/${dbFileWE} ABSOLUTE )
+
+    add_custom_command (
+      OUTPUT            ${dbFileAbsWE}.${XMLTO_FILEEXT_${mode}}
+      COMMAND           ${XMLTO_EXECUTABLE} ${XMLTO_COMMAND_ARGS} -o ${dbFilePath}
+                        ${XMLTO_MODE_${mode}} "${CMAKE_CURRENT_SOURCE_DIR}/${dbFile}"
+      MAIN_DEPENDENCY   ${CMAKE_CURRENT_SOURCE_DIR}/${dbFile}
+      DEPENDS           ${XMLTO_DEPENDS}
+      VERBATIM
+    )
+
+    set ( ${outfiles}
+      ${${outfiles}}
+      ${dbFileAbsWE}.${XMLTO_FILEEXT_${mode}}
+    )
+  endforeach ( dbFile )
+endmacro ( _XMLTO_FILE outfiles )
+
+macro ( XMLTO )
+  set ( XMLTO_MODES )
+  set ( XMLTO_FILES )
+  set ( XMLTO_HAS_MODES false )
+  set ( XMLTO_ADD_DEFAULT false )
+  foreach ( arg ${ARGN} )
+    if ( ${arg} STREQUAL "MODES" )
+      set ( XMLTO_HAS_MODES true )
+    elseif ( ${arg} STREQUAL "ALL" )
+      set ( XMLTO_ADD_DEFAULT true )
+    else ( ${arg} STREQUAL "MODES" )
+      if ( XMLTO_HAS_MODES )
+  set ( XMLTO_MODES ${XMLTO_MODES} ${arg} )
+      else ( XMLTO_HAS_MODES )    
+  set ( XMLTO_FILES ${XMLTO_FILES} ${arg} )
+      endif ( XMLTO_HAS_MODES )
+    endif ( ${arg} STREQUAL "MODES" )
+  endforeach ( arg ${ARGN} )
+  if ( NOT XMLTO_MODES )
+    set ( XMLTO_MODES html )
+  endif ( NOT XMLTO_MODES )
+
+  foreach ( mode ${XMLTO_MODES} )
+    _xmlto_file ( XMLTO_FILES_${mode} ${mode} ${XMLTO_FILES} )
+    if ( XMLTO_ADD_DEFAULT )
+      add_custom_target ( ${mode} ALL
+  DEPENDS ${XMLTO_FILES_${mode}}
+  VERBATIM
+      )
+    else ( XMLTO_ADD_DEFAULT )
+      add_custom_target ( ${mode}
+  DEPENDS ${XMLTO_FILES_${mode}}
+  VERBATIM
+      )
+    endif ( XMLTO_ADD_DEFAULT )
+  endforeach ( mode )
+
+  set ( XMLTO_MODES )
+  set ( XMLTO_FILES )
+endmacro ( XMLTO )