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CMake/Modules/CMakeCommonLanguageInclude.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copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong.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.
ENH: add documentation support for modules
2005-12-14 13:51:08 -05:00
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
ENH: more uniform approach to enable language, one step closer to being able to enable a language without modifing cmake source code
2004-08-26 14:55:55 -04:00
# this file has flags that are shared across languages and sets
# cache values that can be initialized in the platform-compiler.cmake file
# it may be included by more than one language.
Use string(APPEND) in Modules Automate with: find Modules -type f -print0 | xargs -0 perl -i -0pe \ 's/set\(([a-zA-Z0-9_]+)(\s+)"\$\{\1\}([^"])/string(APPEND \1\2"\3/g'
2016-07-28 00:41:13 +02:00
string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT " $ENV{LDFLAGS}")
string(APPEND CMAKE_SHARED_LINKER_FLAGS_INIT " $ENV{LDFLAGS}")
string(APPEND CMAKE_MODULE_LINKER_FLAGS_INIT " $ENV{LDFLAGS}")
Strip CMAKE_*_LINKER_FLAGS[_<CONFIG>] initializer whitespace
2016-07-13 14:41:21 -04:00
Unhardcode the CMAKE_CONFIGURATION_TYPES values This removes duplicated code for per-config variable initialization by providing a `cmake_initialize_per_config_variable(<PREFIX> <DOCSTRING>)` function. This function initializes a `<PREFIX>` cache variable from `<PREFIX>_INIT` and unless the `CMAKE_NOT_USING_CONFIG_FLAGS` variable is defined, does the same with `<PREFIX>_<CONFIG>` from `<PREFIX>_<CONFIG>_INIT` for every `<CONFIG>` in `CMAKE_CONFIGURATION_TYPES` for multi-config generators or `CMAKE_BUILD_TYPE` for single-config generators.
2017-11-27 19:22:11 +01:00
cmake_initialize_per_config_variable(CMAKE_EXE_LINKER_FLAGS "Flags used by the linker")
cmake_initialize_per_config_variable(CMAKE_SHARED_LINKER_FLAGS "Flags used by the linker during the creation of shared libraries")
cmake_initialize_per_config_variable(CMAKE_MODULE_LINKER_FLAGS "Flags used by the linker during the creation of modules")
cmake_initialize_per_config_variable(CMAKE_STATIC_LINKER_FLAGS "Flags used by the linker during the creation of static libraries")
Add CMAKE_STATIC_LINKER_FLAGS to CMakeCommonLanguageInclude Add support for CMAKE_STATIC_LINKER_FLAGS_* to CMakeCommonLanguageInclude.cmake to set the defaults similar to the other CMAKE_*_LINKER_FLAGS_*.
2013-07-11 10:18:56 +02:00
Prefer CMAKE_MAKE_PROGRAM over CMAKE_BUILD_TOOL (#14548) Historically these were both added for the Makefile and Visual Studio generators, respectively. Later the VS generators started using the CMAKE_MAKE_PROGRAM cache entry to find the IDE build tool, and the CMAKE_BUILD_TOOL was simply set as an alias. Fix the documentation to explain that CMAKE_MAKE_PROGRAM is the modern variable and that CMAKE_BUILD_TOOL is the compatibility alias, not the other way around. Replace uses of CMAKE_BUILD_TOOL with CMAKE_MAKE_PROGRAM in CMake-provided modules. Nothing needs to lookup CMAKE_BUILD_TOOL in the cache, so simply set it as a normal variable.
2013-11-13 11:33:17 -05:00
# Alias the build tool variable for backward compatibility.
set(CMAKE_BUILD_TOOL ${CMAKE_MAKE_PROGRAM})
ENH: more uniform approach to enable language, one step closer to being able to enable a language without modifing cmake source code
2004-08-26 14:55:55 -04:00
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 13:47:32 -04:00
mark_as_advanced(
Remove trailing whitespace from most CMake and C/C++ code Our Git commit hooks disallow modification or addition of lines with trailing whitespace. Wipe out all remnants of trailing whitespace everywhere except third-party code. Run the following shell code: git ls-files -z -- \ bootstrap doxygen.config '*.readme' \ '*.c' '*.cmake' '*.cpp' '*.cxx' \ '*.el' '*.f' '*.f90' '*.h' '*.in' '*.in.l' '*.java' \ '*.mm' '*.pike' '*.py' '*.txt' '*.vim' | egrep -z -v '^(Utilities/cm|Source/(kwsys|CursesDialog/form)/)' | egrep -z -v '^(Modules/CPack\..*\.in)' | xargs -0 sed -i 's/ \+$//'
2012-08-13 13:42:58 -04:00
CMAKE_VERBOSE_MAKEFILE
ENH: more uniform approach to enable language, one step closer to being able to enable a language without modifing cmake source code
2004-08-26 14:55:55 -04:00
)
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