Help: Add option to generate docs with latexpdf

3 files changed, 59 insertions, 17 deletions

diff --git a/CMakeCPack.cmake b/CMakeCPack.cmake
index 31c2fe4561..9357804634 100644
--- a/CMakeCPack.cmake
+++ b/CMakeCPack.cmake
@@ -133,6 +133,9 @@ if(CMake_INSTALL_COMPONENTS)
   if(SPHINX_QTHELP)
     list(APPEND _CPACK_IFW_COMPONENTS_ALL sphinx-qthelp)
   endif()
+  if(SPHINX_LATEXPDF)
+    list(APPEND _CPACK_IFW_COMPONENTS_ALL sphinx-latexpdf)
+  endif()
   if(CMake_BUILD_DEVELOPER_REFERENCE)
     if(CMake_BUILD_DEVELOPER_REFERENCE_HTML)
       list(APPEND _CPACK_IFW_COMPONENTS_ALL cmake-developer-reference-html)
diff --git a/Utilities/Sphinx/CMakeLists.txt b/Utilities/Sphinx/CMakeLists.txt
index 69f85d9b3f..32efd4842b 100644
--- a/Utilities/Sphinx/CMakeLists.txt
+++ b/Utilities/Sphinx/CMakeLists.txt
@@ -22,6 +22,7 @@ option(SPHINX_MAN "Build man pages with Sphinx" OFF)
 option(SPHINX_HTML "Build html help with Sphinx" OFF)
 option(SPHINX_SINGLEHTML "Build html single page help with Sphinx" OFF)
 option(SPHINX_QTHELP "Build Qt help with Sphinx" OFF)
+option(SPHINX_LATEXPDF "Build PDF help with Sphinx using LaTeX" OFF)
 option(SPHINX_TEXT "Build text help with Sphinx (not installed)" OFF)
 find_program(SPHINX_EXECUTABLE
   NAMES sphinx-build
@@ -33,7 +34,7 @@ separate_arguments(sphinx_flags UNIX_COMMAND "${SPHINX_FLAGS}")
 mark_as_advanced(SPHINX_TEXT)
 mark_as_advanced(SPHINX_FLAGS)
 
-if(NOT SPHINX_INFO AND NOT SPHINX_MAN AND NOT SPHINX_HTML AND NOT SPHINX_SINGLEHTML AND NOT SPHINX_QTHELP AND NOT SPHINX_TEXT)
+if(NOT SPHINX_INFO AND NOT SPHINX_MAN AND NOT SPHINX_HTML AND NOT SPHINX_SINGLEHTML AND NOT SPHINX_QTHELP AND NOT SPHINX_TEXT AND NOT SPHINX_LATEXPDF)
   return()
 elseif(NOT SPHINX_EXECUTABLE)
   message(FATAL_ERROR "SPHINX_EXECUTABLE (sphinx-build) is not found!")
@@ -117,28 +118,51 @@ if(SPHINX_QTHELP)
       ${CMAKE_CURRENT_BINARY_DIR}/qthelp/CMake.qhcp
   )
 endif()
-
+if(SPHINX_LATEXPDF)
+  list(APPEND doc_formats latexpdf)
+endif()
 
 set(doc_format_outputs "")
 set(doc_format_last "")
 foreach(format ${doc_formats})
   set(doc_format_output "doc_format_${format}")
   set(doc_format_log "build-${format}.log")
-  add_custom_command(
-    OUTPUT ${doc_format_output}
-    COMMAND ${SPHINX_EXECUTABLE}
-            -c ${CMAKE_CURRENT_BINARY_DIR}
-            -d ${CMAKE_CURRENT_BINARY_DIR}/doctrees
-            -b ${format}
-            ${sphinx_flags}
-            ${CMake_SOURCE_DIR}/Help
-            ${CMAKE_CURRENT_BINARY_DIR}/${format}
-            > ${doc_format_log} # log stdout, pass stderr
-    ${${format}_extra_commands}
-    DEPENDS ${doc_format_last}
-    COMMENT "sphinx-build ${format}: see Utilities/Sphinx/${doc_format_log}"
-    VERBATIM
-    )
+  if(format STREQUAL "latexpdf")
+    # This format does not use builder (-b) but make_mode (-M) which expects
+    # arguments in peculiar order
+    add_custom_command(
+      OUTPUT ${doc_format_output}
+      COMMAND ${SPHINX_EXECUTABLE}
+              -M ${format}
+              ${CMake_SOURCE_DIR}/Help
+              ${CMAKE_CURRENT_BINARY_DIR}/${format}
+              -c ${CMAKE_CURRENT_BINARY_DIR}
+              -d ${CMAKE_CURRENT_BINARY_DIR}/doctrees
+              ${sphinx_flags}
+              > ${doc_format_log} # log stdout, pass stderr
+      ${${format}_extra_commands}
+      DEPENDS ${doc_format_last}
+      COMMENT "sphinx-build ${format}: see Utilities/Sphinx/${doc_format_log}"
+      VERBATIM
+      )
+  else()
+    # other formats use standard builder (-b) mode
+    add_custom_command(
+      OUTPUT ${doc_format_output}
+      COMMAND ${SPHINX_EXECUTABLE}
+              -c ${CMAKE_CURRENT_BINARY_DIR}
+              -d ${CMAKE_CURRENT_BINARY_DIR}/doctrees
+              -b ${format}
+              ${sphinx_flags}
+              ${CMake_SOURCE_DIR}/Help
+              ${CMAKE_CURRENT_BINARY_DIR}/${format}
+              > ${doc_format_log} # log stdout, pass stderr
+      ${${format}_extra_commands}
+      DEPENDS ${doc_format_last}
+      COMMENT "sphinx-build ${format}: see Utilities/Sphinx/${doc_format_log}"
+      VERBATIM
+      )
+  endif()
   set_property(SOURCE ${doc_format_output} PROPERTY SYMBOLIC 1)
   list(APPEND doc_format_outputs ${doc_format_output})
   set(doc_format_last ${doc_format_output})
@@ -219,3 +243,10 @@ if(SPHINX_QTHELP)
           DESTINATION ${CMAKE_DOC_DIR} ${COMPONENT}
           )
 endif()
+
+if(SPHINX_LATEXPDF)
+  CMake_OPTIONAL_COMPONENT(sphinx-latexpdf)
+  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/latexpdf/latex/CMake.pdf
+          DESTINATION ${CMAKE_DOC_DIR} ${COMPONENT}
+          )
+endif()
diff --git a/bootstrap b/bootstrap
index f85d57ee37..768750da20 100755
--- a/bootstrap
+++ b/bootstrap
@@ -84,6 +84,7 @@ cmake_sphinx_info=""
 cmake_sphinx_man=""
 cmake_sphinx_html=""
 cmake_sphinx_qthelp=""
+cmake_sphinx_latexpdf=""
 cmake_sphinx_build=""
 cmake_sphinx_flags=""
 
@@ -662,6 +663,7 @@ Configuration:
   --sphinx-man            build man pages with Sphinx
   --sphinx-html           build html help with Sphinx
   --sphinx-qthelp         build qch help with Sphinx
+  --sphinx-latexpdf       build PDF with Sphinx using LaTeX
   --sphinx-build=<sb>     use <sb> as the sphinx-build executable
   --sphinx-flags=<flags>  pass <flags> to sphinx-build executable
 
@@ -926,6 +928,7 @@ while test $# != 0; do
   --sphinx-man) cmake_sphinx_man="1" ;;
   --sphinx-html) cmake_sphinx_html="1" ;;
   --sphinx-qthelp) cmake_sphinx_qthelp="1" ;;
+  --sphinx-latexpdf) cmake_sphinx_latexpdf="1" ;;
   --sphinx-build=*) cmake_sphinx_build=`cmake_arg "$1"` ;;
   --sphinx-flags=*) cmake_sphinx_flags=`cmake_arg "$1"` ;;
   --help) cmake_usage ;;
@@ -1917,6 +1920,11 @@ if test "x${cmake_sphinx_qthelp}" != "x"; then
 set (SPHINX_QTHELP "'"${cmake_sphinx_qthelp}"'" CACHE BOOL "Build qch help with Sphinx" FORCE)
 ' >> "${cmake_bootstrap_dir}/InitialCacheFlags.cmake"
 fi
+if test "x${cmake_sphinx_latexpdf}" != "x"; then
+  echo '
+set (SPHINX_LATEXPDF "'"${cmake_sphinx_latexpdf}"'" CACHE BOOL "Build PDF help with Sphinx using LaTeX" FORCE)
+' >> "${cmake_bootstrap_dir}/InitialCacheFlags.cmake"
+fi
 if test "x${cmake_sphinx_build}" != "x"; then
   echo '
 set (SPHINX_EXECUTABLE "'"${cmake_sphinx_build}"'" CACHE FILEPATH "Location of Qt sphinx-build" FORCE)