ExternalProject: Replace placeholder tokens in BYPRODUCTS

This allows the developer to specify the byproducts relative to the
binary directory without the need to set the binary directory location
explicitly.
This commit is contained in:
Gaëtan Lehmann 2015-03-06 11:43:16 +01:00 committed by Brad King
parent a6d488f2ce
commit 86032ae0eb
3 changed files with 29 additions and 3 deletions

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@ -0,0 +1,5 @@
ExternalProject-byproducts-tokens
---------------------------------
* The :module:`ExternalProject` module learned to replace tokens
like ``<BINARY_DIR>`` in the ``BYPRODUCTS`` of each step.

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@ -251,8 +251,8 @@ Create custom targets to build projects in external trees
``LOG 1`` ``LOG 1``
Wrap step in script to log output Wrap step in script to log output
The command line, comment, and working directory of every standard and The command line, comment, working directory, and byproducts of every
custom step is processed to replace tokens ``<SOURCE_DIR>``, standard and custom step are processed to replace tokens ``<SOURCE_DIR>``,
``<BINARY_DIR>``, ``<INSTALL_DIR>``, and ``<TMP_DIR>`` with ``<BINARY_DIR>``, ``<INSTALL_DIR>``, and ``<TMP_DIR>`` with
corresponding property values. corresponding property values.
@ -1443,7 +1443,7 @@ function(ExternalProject_Add_Step name step)
endif() endif()
# Replace location tags. # Replace location tags.
_ep_replace_location_tags(${name} comment command work_dir) _ep_replace_location_tags(${name} comment command work_dir byproducts)
# Custom comment? # Custom comment?
get_property(comment_set TARGET ${name} PROPERTY _EP_${step}_COMMENT SET) get_property(comment_set TARGET ${name} PROPERTY _EP_${step}_COMMENT SET)

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@ -102,6 +102,27 @@ add_library(ExternalLibrary STATIC IMPORTED)
set_property(TARGET ExternalLibrary PROPERTY IMPORTED_LOCATION ${ExternalLibrary_LIBRARY}) set_property(TARGET ExternalLibrary PROPERTY IMPORTED_LOCATION ${ExternalLibrary_LIBRARY})
add_dependencies(ExternalLibrary ExternalTarget) add_dependencies(ExternalLibrary ExternalTarget)
# Generate the library file of an imported target as a byproduct
# of an external project. The byproduct uses <BINARY_DIR> that is substituted
# by the real binary path
if(CMAKE_CONFIGURATION_TYPES)
set(cfg /${CMAKE_CFG_INTDIR})
else()
set(cfg)
endif()
include(ExternalProject)
ExternalProject_Add(ExtTargetSubst
SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/External"
DOWNLOAD_COMMAND ""
INSTALL_COMMAND ""
BUILD_BYPRODUCTS "<BINARY_DIR>${cfg}/${CMAKE_STATIC_LIBRARY_PREFIX}ExternalLibrary${CMAKE_STATIC_LIBRARY_SUFFIX}"
)
ExternalProject_Get_Property(ExtTargetSubst binary_dir)
add_library(ExternalLibraryWithSubstitution STATIC IMPORTED)
set_property(TARGET ExternalLibraryWithSubstitution PROPERTY IMPORTED_LOCATION
${binary_dir}${cfg}/${CMAKE_STATIC_LIBRARY_PREFIX}ExternalLibrary${CMAKE_STATIC_LIBRARY_SUFFIX})
add_dependencies(ExternalLibraryWithSubstitution ExtTargetSubst)
# Add an executable consuming all the byproducts. # Add an executable consuming all the byproducts.
add_executable(CustomCommandByproducts add_executable(CustomCommandByproducts
CustomCommandByproducts.c CustomCommandByproducts.c