From b7cb63590731f4d87ca79fe688b01af36b51af72 Mon Sep 17 00:00:00 2001
From: Michael Gottesman <mgottesman@apple.com>
Date: Wed, 28 Aug 2013 20:28:32 +0000
Subject: [cmake] Created an aggregate doxygen target for generating doxygen
 documentation for llvm/all subprojects. Renamed llvm's doxygen generation
 command to doxygen-llvm.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189506 91177308-0d34-0410-b5e6-96231b3b80d8
---
 cmake/config-ix.cmake |  9 +++++++++
 docs/CMakeLists.txt   | 12 ++++++------
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index 3bf7583..3f57e23 100755
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -465,6 +465,15 @@ set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX})
 if (LLVM_ENABLE_DOXYGEN)
   message(STATUS "Doxygen enabled.")
   find_package(Doxygen)
+
+  if (DOXYGEN_FOUND)
+    # If we find doxygen and we want to enable doxygen by default create a
+    # global aggregate doxygen target for generating llvm and any/all
+    # subprojects doxygen documentation.
+    if (LLVM_BUILD_DOCS)
+      add_custom_target(doxygen ALL)
+    endif()
+  endif()
 else()
   message(STATUS "Doxygen disabled.")
 endif()
diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index 505b5db..7f1a51f 100644
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -1,8 +1,4 @@
 
-if (LLVM_BUILD_DOCS)
-  set(LLVM_DOCS_ADD_TO_ALL ALL)
-endif()
-
 if (DOXYGEN_FOUND)
 if (LLVM_ENABLE_DOXYGEN)
   set(abs_top_srcdir ${LLVM_MAIN_SRC_DIR})
@@ -18,10 +14,14 @@ if (LLVM_ENABLE_DOXYGEN)
   set(abs_top_builddir)
   set(DOT)
 
-  add_custom_target(doxygen ${LLVM_DOCS_ADD_TO_ALL}
+  add_custom_target(doxygen-llvm
     COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/doxygen.cfg
     WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-    COMMENT "Generating doxygen documentation." VERBATIM)
+    COMMENT "Generating llvm doxygen documentation." VERBATIM)
+
+  if (LLVM_BUILD_DOCS)
+    add_dependencies(doxygen doxygen-llvm)
+  endif()
 
   if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
     install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doxygen/html
-- 
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