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UseSWIG: Add OUTPUT_DIR and OUTFILE_DIR source file properties

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These properties enable to manage output directories on
per source file basis.

Fixes: #21250
This commit is contained in:
Marc Chevrier
2020-09-30 18:47:42 +02:00
parent d91c3e33cb
commit 4a81a0ce3d
11 changed files with 212 additions and 9 deletions
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Modules/UseSWIG.cmake
+41 -8
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@@ -76,8 +76,8 @@ Defines the following command for use with ``SWIG``:
``OUTFILE_DIR``
Specify an output directory name where the generated source file will be
placed (swig -o option). If not specified, the ``SWIG_OUTFILE_DIR`` variable
will be used. If neither is specified, ``OUTPUT_DIR`` or
placed (swig ``-o`` option). If not specified, the ``SWIG_OUTFILE_DIR``
variable will be used. If neither is specified, ``OUTPUT_DIR`` or
``CMAKE_SWIG_OUTDIR`` is used instead.
``SOURCES``
@@ -156,6 +156,19 @@ ensure generated files will receive the required settings.
If policy :policy:`CMP0086` is set to ``NEW``, ``-module <module_name>``
is passed to ``SWIG`` compiler.
``OUTPUT_DIR``
Specify where to write the language specific files (swig ``-outdir`` option)
for the considered source file. If not specified, the other ways to define
the output directory applies (see ``OUTPUT_DIR`` option of
``swig_add_library()`` command).
``OUTFILE_DIR``
Specify an output directory where the generated source file will be placed
(swig ``-o`` option) for the considered source file. If not specified,
``OUTPUT_DIR`` source property will be used. If neither are specified, the
other ways to define output file directory applies (see ``OUTFILE_DIR``
option of ``swig_add_library()`` command).
Target library properties can be set to apply same configuration to all SWIG
input files.
@@ -209,6 +222,11 @@ information about support files generated by ``SWIG`` interface compilation.
This output property specifies the directory where support files will be
generated.
.. note::
When source property ``OUTPUT_DIR`` is defined, multiple directories can be
specified as part of ``SWIG_SUPPORT_FILES_DIRECTORY``.
Some variables can be set to customize the behavior of ``swig_add_library``
as well as ``SWIG``:
@@ -375,15 +393,24 @@ endfunction()
function(SWIG_ADD_SOURCE_TO_MODULE name outfiles infile)
get_filename_component(swig_source_file_name_we "${infile}" NAME_WE)
get_source_file_property(swig_source_file_cplusplus "${infile}" CPLUSPLUS)
get_source_file_property(swig_source_file_outdir "${infile}" OUTPUT_DIR)
get_source_file_property(swig_source_file_outfiledir "${infile}" OUTFILE_DIR)
# If CMAKE_SWIG_OUTDIR was specified then pass it to -outdir
if(CMAKE_SWIG_OUTDIR)
if (swig_source_file_outdir)
# use source file property
set(outdir "${swig_source_file_outdir}")
if (NOT swig_source_file_outfiledir)
set (swig_source_file_outfiledir "${outdir}")
endif()
elseif(CMAKE_SWIG_OUTDIR)
set(outdir ${CMAKE_SWIG_OUTDIR})
else()
set(outdir ${CMAKE_CURRENT_BINARY_DIR})
endif()
if(SWIG_OUTFILE_DIR)
if (swig_source_file_outfiledir)
set (outfiledir "${swig_source_file_outfiledir}")
elseif(SWIG_OUTFILE_DIR)
set(outfiledir ${SWIG_OUTFILE_DIR})
else()
set(outfiledir ${outdir})
@@ -725,6 +752,7 @@ function(SWIG_ADD_LIBRARY name)
set(swig_generated_sources)
set(swig_generated_timestamps)
set(swig_generated_outdirs "${outputdir}")
list(LENGTH swig_dot_i_sources swig_sources_count)
if (swig_sources_count GREATER "1")
# option -interface cannot be used
@@ -740,11 +768,16 @@ function(SWIG_ADD_LIBRARY name)
"${workingdir}" swig_timestamp)
list (APPEND swig_generated_timestamps "${swig_timestamp}")
endif()
get_source_file_property(swig_source_file_outdir "${swig_it}" OUTPUT_DIR)
if (swig_source_file_outdir)
list (APPEND swig_generated_outdirs "${swig_source_file_outdir}")
endif()
endforeach()
list(REMOVE_DUPLICATES swig_generated_outdirs)
set_property (DIRECTORY APPEND PROPERTY
ADDITIONAL_CLEAN_FILES ${swig_generated_sources} ${swig_generated_timestamps})
if (UseSWIG_MODULE_VERSION VERSION_GREATER 1)
set_property (DIRECTORY APPEND PROPERTY ADDITIONAL_CLEAN_FILES "${outputdir}")
set_property (DIRECTORY APPEND PROPERTY ADDITIONAL_CLEAN_FILES ${swig_generated_outdirs})
endif()
add_library(${target_name}
@@ -828,8 +861,8 @@ function(SWIG_ADD_LIBRARY name)
set_target_properties (${target_name} PROPERTIES PREFIX "")
endif ()
# target property SWIG_SUPPORT_FILES_DIRECTORY specify output directory of support files
set_property (TARGET ${target_name} PROPERTY SWIG_SUPPORT_FILES_DIRECTORY "${outputdir}")
# target property SWIG_SUPPORT_FILES_DIRECTORY specify output directories of support files
set_property (TARGET ${target_name} PROPERTY SWIG_SUPPORT_FILES_DIRECTORY ${swig_generated_outdirs})
# target property SWIG_SUPPORT_FILES lists principal proxy support files
if (NOT SWIG_MODULE_${name}_NOPROXY)
string(TOUPPER "${_SAM_LANGUAGE}" swig_uppercase_language)