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ExternalProject: Propagate the generator toolset 

When the CMAKE_GENERATOR option is given to ExternalProject_Add, look
also for option CMAKE_GENERATOR_TOOLSET to select the value of the cmake
"-T" command-line flag.  When no CMAKE_GENERATOR option is given
explicitly then use the current project's CMAKE_GENERATOR_TOOLSET (since
we already use its CMAKE_GENERATOR).
This commit is contained in:
Brad King 2012-12-10 17:04:42 -05:00
parent e3841cf4a2
commit daae0d2f5b
1 changed files with 11 additions and 0 deletions
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11
Modules/ExternalProject.cmake
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@ -38,6 +38,7 @@
# [CONFIGURE_COMMAND cmd...] # Build tree configuration command
# [CMAKE_COMMAND /.../cmake] # Specify alternative cmake executable
# [CMAKE_GENERATOR gen] # Specify generator for native build
# [CMAKE_GENERATOR_TOOLSET t] # Generator-specific toolset name
# [CMAKE_ARGS args...] # Arguments to CMake command line
# [CMAKE_CACHE_ARGS args...] # Initial cache arguments, of the form -Dvar:string=on
# #--Build step-----------------
@ -1585,14 +1586,24 @@ function(_ep_add_configure_command name)
endif()
get_target_property(cmake_generator ${name} _EP_CMAKE_GENERATOR)
get_target_property(cmake_generator_toolset ${name} _EP_CMAKE_GENERATOR_TOOLSET)
if(cmake_generator)
list(APPEND cmd "-G${cmake_generator}")
if(cmake_generator_toolset)
list(APPEND cmd "-T${cmake_generator_toolset}")
endif()
else()
if(CMAKE_EXTRA_GENERATOR)
list(APPEND cmd "-G${CMAKE_EXTRA_GENERATOR} - ${CMAKE_GENERATOR}")
else()
list(APPEND cmd "-G${CMAKE_GENERATOR}")
endif()
if(cmake_generator_toolset)
message(FATAL_ERROR "Option CMAKE_GENERATOR_TOOLSET not allowed without CMAKE_GENERATOR.")
endif()
if(CMAKE_GENERATOR_TOOLSET)
list(APPEND cmd "-T${CMAKE_GENERATOR_TOOLSET}")
endif()
endif()
list(APPEND cmd "${source_dir}")