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-rw-r--r--Modules/CMakeNinjaFindMake.cmake17
-rw-r--r--Modules/Compiler/GNU.cmake9
-rw-r--r--Modules/ExternalProject.cmake19
-rw-r--r--Modules/Platform/Windows-cl.cmake4
4 files changed, 45 insertions, 4 deletions
diff --git a/Modules/CMakeNinjaFindMake.cmake b/Modules/CMakeNinjaFindMake.cmake
new file mode 100644
index 0000000..f15c3e0
--- /dev/null
+++ b/Modules/CMakeNinjaFindMake.cmake
@@ -0,0 +1,17 @@
+
+#=============================================================================
+# Copyright 2011 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+# License text for the above reference.)
+
+FIND_PROGRAM(CMAKE_MAKE_PROGRAM ninja
+ DOC "Program used to build from build.ninja files.")
+MARK_AS_ADVANCED(CMAKE_MAKE_PROGRAM)
diff --git a/Modules/Compiler/GNU.cmake b/Modules/Compiler/GNU.cmake
index 8d6f5df..bdcaf9d 100644
--- a/Modules/Compiler/GNU.cmake
+++ b/Modules/Compiler/GNU.cmake
@@ -24,6 +24,15 @@ macro(__compiler_gnu lang)
set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-fPIC")
set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-shared")
+ # Older versions of gcc (< 4.5) contain a bug causing them to report a missing
+ # header file as a warning if depfiles are enabled, causing check_header_file
+ # tests to always succeed. Work around this by disabling dependency tracking
+ # in try_compile mode.
+ GET_PROPERTY(_IN_TC GLOBAL PROPERTY IN_TRY_COMPILE)
+ if(NOT _IN_TC OR CMAKE_FORCE_DEPFILES)
+ set(CMAKE_DEPFILE_FLAGS_${lang} "-MMD -MF <DEPFILE>")
+ endif()
+
# Initial configuration flags.
set(CMAKE_${lang}_FLAGS_INIT "")
set(CMAKE_${lang}_FLAGS_DEBUG_INIT "-g")
diff --git a/Modules/ExternalProject.cmake b/Modules/ExternalProject.cmake
index fb55d3b..b6fe190 100644
--- a/Modules/ExternalProject.cmake
+++ b/Modules/ExternalProject.cmake
@@ -833,6 +833,12 @@ function(ExternalProject_Add_StepTargets name)
foreach(step ${steps})
add_custom_target(${name}-${step}
DEPENDS ${stamp_dir}${cfgdir}/${name}-${step})
+
+ # Depend on other external projects (target-level).
+ get_property(deps TARGET ${name} PROPERTY _EP_DEPENDS)
+ foreach(arg IN LISTS deps)
+ add_dependencies(${name}-${step} ${arg})
+ endforeach()
endforeach()
endfunction(ExternalProject_Add_StepTargets)
@@ -1451,9 +1457,18 @@ function(ExternalProject_Add name)
# depends on the 'done' mark so that it rebuilds when this project
# rebuilds. It is important that 'done' is not the output of any
# custom command so that CMake does not propagate build rules to
- # other external project targets.
+ # other external project targets, which may cause problems during
+ # parallel builds. However, the Ninja generator needs to see the entire
+ # dependency graph, and can cope with custom commands belonging to
+ # multiple targets, so we add the 'done' mark as an output for Ninja only.
+ set(complete_outputs ${cmf_dir}${cfgdir}/${name}-complete)
+ if(${CMAKE_GENERATOR} MATCHES "Ninja")
+ set(complete_outputs
+ ${complete_outputs} ${stamp_dir}${cfgdir}/${name}-done)
+ endif()
+
add_custom_command(
- OUTPUT ${cmf_dir}${cfgdir}/${name}-complete
+ OUTPUT ${complete_outputs}
COMMENT "Completed '${name}'"
COMMAND ${CMAKE_COMMAND} -E make_directory ${cmf_dir}${cfgdir}
COMMAND ${CMAKE_COMMAND} -E touch ${cmf_dir}${cfgdir}/${name}-complete
diff --git a/Modules/Platform/Windows-cl.cmake b/Modules/Platform/Windows-cl.cmake
index ccccbc9..be6abb6 100644
--- a/Modules/Platform/Windows-cl.cmake
+++ b/Modules/Platform/Windows-cl.cmake
@@ -37,7 +37,7 @@ SET(CMAKE_COMPILE_RESOURCE "rc <FLAGS> /fo<OBJECT> <SOURCE>")
# that is automatically copied into try_compile directories
# by the global generator.
SET(MSVC_IDE 1)
-IF(CMAKE_GENERATOR MATCHES "Makefiles")
+IF(CMAKE_GENERATOR MATCHES "Makefiles" OR CMAKE_GENERATOR MATCHES "Ninja")
SET(MSVC_IDE 0)
IF(NOT CMAKE_VC_COMPILER_TESTS_RUN)
SET(CMAKE_VC_COMPILER_TESTS 1)
@@ -125,7 +125,7 @@ IF(CMAKE_GENERATOR MATCHES "Makefiles")
ENDIF(CMAKE_COMPILER_RETURN)
MAKE_DIRECTORY("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp3")
ENDIF(NOT CMAKE_VC_COMPILER_TESTS_RUN)
-ENDIF(CMAKE_GENERATOR MATCHES "Makefiles")
+ENDIF(CMAKE_GENERATOR MATCHES "Makefiles" OR CMAKE_GENERATOR MATCHES "Ninja")
IF(MSVC_C_ARCHITECTURE_ID MATCHES 64)
SET(CMAKE_CL_64 1)