From 5f3f1c8bc6737b11ad3e484505126773b576d309 Mon Sep 17 00:00:00 2001
From: Albrecht Schlosser <albrechts.fltk@online.de>
Date: Sat, 25 Apr 2015 21:42:51 +0000
Subject: [CMake] Add doxygen documentation generation (STR #3195).

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10720 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 CMake/options.cmake   | 14 ++++++++++++++
 CMake/resources.cmake | 23 +++++++++++++++++++++++
 2 files changed, 37 insertions(+)

(limited to 'CMake')

diff --git a/CMake/options.cmake b/CMake/options.cmake
index ce58c94b7..0f58fe6b2 100644
--- a/CMake/options.cmake
+++ b/CMake/options.cmake
@@ -75,6 +75,20 @@ option(OPTION_BUILD_SHARED_LIBS
 #######################################################################
 option(OPTION_BUILD_EXAMPLES "build example programs" ON)
 
+#######################################################################
+if(DOXYGEN_FOUND)
+    option(OPTION_BUILD_HTML_DOCUMENTATION "build html docs" OFF)
+    option(OPTION_INSTALL_HTML_DOCUMENTATION "install html docs" OFF)
+    if(LATEX_FOUND)
+	option(OPTION_BUILD_PDF_DOCUMENTATION "build pdf docs" OFF)
+	option(OPTION_INSTALL_PDF_DOCUMENTATION "install pdf docs" OFF)
+    endif(LATEX_FOUND)
+endif(DOXYGEN_FOUND)
+
+if(OPTION_BUILD_HTML_DOCUMENTATION OR OPTION_BUILD_PDF_DOCUMENTATION)
+    add_subdirectory(documentation)
+endif(OPTION_BUILD_HTML_DOCUMENTATION OR OPTION_BUILD_PDF_DOCUMENTATION)
+
 #######################################################################
 include(FindPkgConfig)
 
diff --git a/CMake/resources.cmake b/CMake/resources.cmake
index bce8b2b87..df70b5a28 100644
--- a/CMake/resources.cmake
+++ b/CMake/resources.cmake
@@ -117,3 +117,26 @@ if(HAVE_SCANDIR AND NOT HAVE_SCANDIR_POSIX)
    endif(V)
 endif(HAVE_SCANDIR AND NOT HAVE_SCANDIR_POSIX)
 mark_as_advanced(HAVE_SCANDIR_POSIX)
+
+#######################################################################
+# packages
+
+# Doxygen: necessary for HTML and PDF docs
+find_package(Doxygen)
+
+# LaTex: necessary for PDF docs (note: FindLATEX doesn't return LATEX_FOUND)
+
+# Note: we only check existence of `latex' (LATEX_COMPILER), hence
+# building the pdf docs may still fail because of other missing tools.
+
+set (LATEX_FOUND)
+if (DOXYGEN_FOUND)
+  find_package(LATEX)
+  if (LATEX_COMPILER AND NOT LATEX_FOUND)
+    set(LATEX_FOUND YES)
+  endif (LATEX_COMPILER AND NOT LATEX_FOUND)
+endif (DOXYGEN_FOUND)
+
+# message("Doxygen  found : ${DOXYGEN_FOUND}")
+# message("LaTex    found : ${LATEX_FOUND}")
+# message("LaTex Compiler : ${LATEX_COMPILER}")
-- 
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