make pdf generation for txt2tags doc optional

CMakeLists.txt

@@ -57,9 +57,6 @@ ENDIF (WITH_GRASS)
 # mapserver by us disabled default because it needs FastCGI (which is optional dependency)
 SET (WITH_MAPSERVER FALSE CACHE BOOL "Determines whether QGIS mapserver should be built")
 
-# include doxygen documentation
-SET (WITH_APIDOC FALSE CACHE BOOL "Determines whether the QGIS API doxygen documentation should be built")
-
 # build our version of astyle
 SET (WITH_ASTYLE FALSE CACHE BOOL "If you plan to contribute you should reindent with scripts/prepare-commit.sh (using 'our' astyle)")
 

cmake/Txt2Tags.cmake

@@ -21,12 +21,15 @@ MACRO(FIND_TXT2TAGS)
       MESSAGE(STATUS "txt2tags not found - disabled")
     ENDIF (NOT TXT2TAGS_EXECUTABLE)
   ENDIF(NOT TXT2TAGS_EXECUTABLE)
-  IF (NOT PDFLATEX_EXECUTABLE)
-    FIND_PROGRAM(PDFLATEX_EXECUTABLE pdflatex)
-  ENDIF (NOT PDFLATEX_EXECUTABLE)
-  IF (NOT PDFLATEX_EXECUTABLE)
-    MESSAGE(STATUS "pdflatex not found - disabled")
-  ENDIF(NOT PDFLATEX_EXECUTABLE)
+
+  IF (WITH_TXT2TAGS_PDF)
+    IF (NOT PDFLATEX_EXECUTABLE)
+      FIND_PROGRAM(PDFLATEX_EXECUTABLE pdflatex)
+    ENDIF (NOT PDFLATEX_EXECUTABLE)
+    IF (NOT PDFLATEX_EXECUTABLE)
+      MESSAGE(ERROR "pdflatex not found - txt2tags documention pdf cannot be generated")
+    ENDIF(NOT PDFLATEX_EXECUTABLE)
+  ENDIF(WITH_TXT2TAGS_PDF)
 ENDMACRO(FIND_TXT2TAGS)
 
 MACRO(ADD_TXT2TAGS_FILES _sources)
@@ -53,25 +56,31 @@ MACRO(ADD_TXT2TAGS_FILES _sources)
       )
 
     SET(${_sources} ${${_sources}} ${_out} ${_out}.html)
+  ENDFOREACH (_current_FILE)
+ENDMACRO(ADD_TXT2TAGS_FILES)
 
-    IF (PDFLATEX_EXECUTABLE)
-      ADD_CUSTOM_COMMAND(
-        OUTPUT ${_out}.tex
-        COMMAND ${TXT2TAGS_EXECUTABLE}
-        ARGS -o${_out}.tex -t tex ${_in}
-        DEPENDS ${_in}
-        COMMENT "Building ${_out}.tex from ${_in}"
-        )
+MACRO(ADD_TXT2TAGS_PDFS _sources)
+  FOREACH (_current_FILE ${ARGN})
+    GET_FILENAME_COMPONENT(_in ${_current_FILE} ABSOLUTE)
+    GET_FILENAME_COMPONENT(_basename ${_current_FILE} NAME_WE)
 
-      ADD_CUSTOM_COMMAND(
-        OUTPUT ${_out}.pdf
-	COMMAND TEXINPUTS=.:${CMAKE_CURRENT_SOURCE_DIR}: ${PDFLATEX_EXECUTABLE}
-        ARGS -output-directory=${CMAKE_CURRENT_BINARY_DIR} ${_out}.tex
-        DEPENDS ${_out}.tex
-        COMMENT "Building ${_out}.pdf from ${_out}.tex"
-        )
-      SET(${_sources} ${${_sources}} ${_out}.pdf)
-    ENDIF (PDFLATEX_EXECUTABLE)
+    SET(_out ${CMAKE_CURRENT_BINARY_DIR}/${_basename})
 
+    ADD_CUSTOM_COMMAND(
+      OUTPUT ${_out}.tex
+      COMMAND ${TXT2TAGS_EXECUTABLE}
+      ARGS -o${_out}.tex -t tex ${_in}
+      DEPENDS ${_in}
+      COMMENT "Building ${_out}.tex from ${_in}"
+      )
+
+    ADD_CUSTOM_COMMAND(
+      OUTPUT ${_out}.pdf
+      COMMAND TEXINPUTS=.:${CMAKE_CURRENT_SOURCE_DIR}: ${PDFLATEX_EXECUTABLE}
+      ARGS -output-directory=${CMAKE_CURRENT_BINARY_DIR} ${_out}.tex
+      DEPENDS ${_out}.tex
+      COMMENT "Building ${_out}.pdf from ${_out}.tex"
+      )
+    SET(${_sources} ${${_sources}} ${_out}.pdf)
   ENDFOREACH (_current_FILE)
-ENDMACRO(ADD_TXT2TAGS_FILES)
+ENDMACRO(ADD_TXT2TAGS_PDFS)

doc/CMakeLists.txt

@@ -1,8 +1,17 @@
+# include doxygen documentation
+SET (WITH_APIDOC FALSE CACHE BOOL "Determines whether the QGIS API doxygen documentation should be built")
+
+# include doxygen documentation
+SET (WITH_TXT2TAGS_PDF FALSE CACHE BOOL "Determines whether PDF should be generate for the txt2tags documentation")
+
 INCLUDE(Txt2Tags)
 FIND_TXT2TAGS()
 
 IF(TXT2TAGS_EXECUTABLE)
   ADD_TXT2TAGS_FILES(QGIS_DOC_FILES INSTALL.t2t CODING.t2t)
+  IF(WITH_TXT2TAGS_PDF)
+    ADD_TXT2TAGS_PDFS(QGIS_DOC_FILES INSTALL.t2t CODING.t2t)
+  ENDIF(WITH_TXT2TAGS_PDF)
   ADD_CUSTOM_TARGET (t2tdoc ALL DEPENDS ${QGIS_DOC_FILES})
 ELSE(TXT2TAGS_EXECUTABLE)
   SET(QGIS_DOC_FILES