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GenerateExportHeader: Add option to specify custom content

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This commit is contained in:
Brad King
2016-06-28 09:42:08 -04:00
parent 4bbfea1751
commit 843402b04a
5 changed files with 28 additions and 4 deletions
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17
Modules/GenerateExportHeader.cmake
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@@ -20,6 +20,7 @@
# [NO_DEPRECATED_MACRO_NAME <no_deprecated_macro_name>]
# [DEFINE_NO_DEPRECATED]
# [PREFIX_NAME <prefix_name>]
# [CUSTOM_CONTENT_FROM_VARIABLE <variable>]
# )
#
#
@@ -60,8 +61,10 @@
# The CMake fragment will generate a file in the
# ``${CMAKE_CURRENT_BINARY_DIR}`` called ``somelib_export.h`` containing the
# macros ``SOMELIB_EXPORT``, ``SOMELIB_NO_EXPORT``, ``SOMELIB_DEPRECATED``,
# ``SOMELIB_DEPRECATED_EXPORT`` and ``SOMELIB_DEPRECATED_NO_EXPORT``. The
# resulting file should be installed with other headers in the library.
# ``SOMELIB_DEPRECATED_EXPORT`` and ``SOMELIB_DEPRECATED_NO_EXPORT``.
# They will be followed by content taken from the variable specified by
# the ``CUSTOM_CONTENT_FROM_VARIABLE`` option, if any.
# The resulting file should be installed with other headers in the library.
#
# The ``BASE_NAME`` argument can be used to override the file name and the
# names used for the macros:
@@ -288,7 +291,7 @@ macro(_DO_GENERATE_EXPORT_HEADER TARGET_LIBRARY)
set(options DEFINE_NO_DEPRECATED)
set(oneValueArgs PREFIX_NAME BASE_NAME EXPORT_MACRO_NAME EXPORT_FILE_NAME
DEPRECATED_MACRO_NAME NO_EXPORT_MACRO_NAME STATIC_DEFINE
NO_DEPRECATED_MACRO_NAME)
NO_DEPRECATED_MACRO_NAME CUSTOM_CONTENT_FROM_VARIABLE)
set(multiValueArgs)
cmake_parse_arguments(_GEH "${options}" "${oneValueArgs}" "${multiValueArgs}"
@@ -361,6 +364,14 @@ macro(_DO_GENERATE_EXPORT_HEADER TARGET_LIBRARY)
endif()
string(MAKE_C_IDENTIFIER ${EXPORT_IMPORT_CONDITION} EXPORT_IMPORT_CONDITION)
if(_GEH_CUSTOM_CONTENT_FROM_VARIABLE)
if(DEFINED "${_GEH_CUSTOM_CONTENT_FROM_VARIABLE}")
set(CUSTOM_CONTENT "${${_GEH_CUSTOM_CONTENT_FROM_VARIABLE}}")
else()
set(CUSTOM_CONTENT "")
endif()
endif()
configure_file("${_GENERATE_EXPORT_HEADER_MODULE_DIR}/exportheader.cmake.in"
"${EXPORT_FILE_NAME}" @ONLY)
endmacro()