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CMake/Modules/CMakeExportBuildSettings.cmake

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Simplify CMake per-source license notices Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
2016-09-27 15:01:08 -04:00
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
Drop old CMake "build settings" export/import The CMakeExportBuildSettings and CMakeImportBuildSettings modules used to export compiler paths and flags from one project and import them into another. The import process would force the settings on the including project. Forcing settings helped long ago when compiler ABIs changed frequently but is now just a nuisance. We've deemed the behavior harmful so this commit simply removes it. The modules and macros now error out if included or called from a project that requires CMake 2.8 or higher.
2009-09-08 15:55:41 -04:00
Convert CMake non-find modules to BSD License This adds copyright/license notification blocks CMake's non-find modules. Most of the modules had no notices at all. Some had notices referring to the BSD license already. This commit normalizes existing notices and adds missing notices.
2009-09-28 11:46:51 -04:00
Drop old CMake "build settings" export/import The CMakeExportBuildSettings and CMakeImportBuildSettings modules used to export compiler paths and flags from one project and import them into another. The import process would force the settings on the including project. Forcing settings helped long ago when compiler ABIs changed frequently but is now just a nuisance. We've deemed the behavior harmful so this commit simply removes it. The modules and macros now error out if included or called from a project that requires CMake 2.8 or higher.
2009-09-08 15:55:41 -04:00
# This module is purposely no longer documented. It does nothing useful.
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 13:47:32 -04:00
if(NOT "${CMAKE_MINIMUM_REQUIRED_VERSION}" VERSION_LESS 2.7)
message(FATAL_ERROR
Drop old CMake "build settings" export/import The CMakeExportBuildSettings and CMakeImportBuildSettings modules used to export compiler paths and flags from one project and import them into another. The import process would force the settings on the including project. Forcing settings helped long ago when compiler ABIs changed frequently but is now just a nuisance. We've deemed the behavior harmful so this commit simply removes it. The modules and macros now error out if included or called from a project that requires CMake 2.8 or higher.
2009-09-08 15:55:41 -04:00
"The functionality of this module has been dropped as of CMake 2.8. "
"It was deemed harmful (confusing users by changing their compiler). "
"Please remove calls to the CMAKE_EXPORT_BUILD_SETTINGS macro and "
"stop including this module. "
"If this project generates any files for use by external projects, "
"remove any use of the CMakeImportBuildSettings module from them.")
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 13:47:32 -04:00
endif()
Drop old CMake "build settings" export/import The CMakeExportBuildSettings and CMakeImportBuildSettings modules used to export compiler paths and flags from one project and import them into another. The import process would force the settings on the including project. Forcing settings helped long ago when compiler ABIs changed frequently but is now just a nuisance. We've deemed the behavior harmful so this commit simply removes it. The modules and macros now error out if included or called from a project that requires CMake 2.8 or higher.
2009-09-08 15:55:41 -04:00
# This macro used to store build settings of a project in a file to be
# loaded by another project using CMAKE_IMPORT_BUILD_SETTINGS. Now it
# creates a file that refuses to load (with comment explaining why).
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 13:47:32 -04:00
macro(CMAKE_EXPORT_BUILD_SETTINGS SETTINGS_FILE)
Replace MATCHES ".+" tests with NOT STREQUAL ""
2014-04-11 18:36:08 +02:00
if(NOT ${SETTINGS_FILE} STREQUAL "")
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 13:47:32 -04:00
configure_file(${CMAKE_ROOT}/Modules/CMakeBuildSettings.cmake.in
Drop use of configure_file IMMEDIATE option Since commit 7d47c693 (Drop compatibility with CMake < 2.4, 2013-10-08) we no longer need to use the configure_file IMMEDIATE option to support compatibility modes less than 2.0.
2013-11-13 09:50:56 +01:00
${SETTINGS_FILE} @ONLY)
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 13:50:14 -04:00
else()
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 13:47:32 -04:00
message(SEND_ERROR "CMAKE_EXPORT_BUILD_SETTINGS called with no argument.")
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 13:50:14 -04:00
endif()
endmacro()
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