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CMake/Modules/FindGit.cmake

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Convert builtin help to reStructuredText source files Run the convert-help.bash script to convert documentation: ./convert-help.bash "/path/to/CMake-build/bin" Then remove it.
2013-10-15 15:17:36 +00:00
#.rst:
# FindGit
# -------
#
#
#
Add FindGit module. Use it from ExternalProject and the ExternalProject test's CMakeLists file rather than having duplicate find_program calls. Add logic so that we do not try to use *.cmd variants of git programs when using the MSYS Makefiles generator. Should fix the last remaining dashboard issue with the new ExternalProject git support additions. Also, correct minor problem regarding placement of the local git repo during test execution. On clean builds, it was being placed incorrectly because of the ../.. relative reference. Use an absolute path to place the local git repo in the proper directory, and only use the relative reference when referring to it.
2010-06-03 21:30:07 +00:00
# The module defines the following variables:
Convert builtin help to reStructuredText source files Run the convert-help.bash script to convert documentation: ./convert-help.bash "/path/to/CMake-build/bin" Then remove it.
2013-10-15 15:17:36 +00:00
#
# ::
#
# GIT_EXECUTABLE - path to git command line client
# GIT_FOUND - true if the command line client was found
# GIT_VERSION_STRING - the version of git found (since CMake 2.8.8)
#
Add FindGit module. Use it from ExternalProject and the ExternalProject test's CMakeLists file rather than having duplicate find_program calls. Add logic so that we do not try to use *.cmd variants of git programs when using the MSYS Makefiles generator. Should fix the last remaining dashboard issue with the new ExternalProject git support additions. Also, correct minor problem regarding placement of the local git repo during test execution. On clean builds, it was being placed incorrectly because of the ../.. relative reference. Use an absolute path to place the local git repo in the proper directory, and only use the relative reference when referring to it.
2010-06-03 21:30:07 +00:00
# Example usage:
Convert builtin help to reStructuredText source files Run the convert-help.bash script to convert documentation: ./convert-help.bash "/path/to/CMake-build/bin" Then remove it.
2013-10-15 15:17:36 +00:00
#
# ::
#
# find_package(Git)
# if(GIT_FOUND)
# message("git found: ${GIT_EXECUTABLE}")
# endif()
Add FindGit module. Use it from ExternalProject and the ExternalProject test's CMakeLists file rather than having duplicate find_program calls. Add logic so that we do not try to use *.cmd variants of git programs when using the MSYS Makefiles generator. Should fix the last remaining dashboard issue with the new ExternalProject git support additions. Also, correct minor problem regarding placement of the local git repo during test execution. On clean builds, it was being placed incorrectly because of the ../.. relative reference. Use an absolute path to place the local git repo in the proper directory, and only use the relative reference when referring to it.
2010-06-03 21:30:07 +00:00
#=============================================================================
# Copyright 2010 Kitware, Inc.
FindGit: support version number
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# Copyright 2012 Rolf Eike Beer <eike@sf-mail.de>
Add FindGit module. Use it from ExternalProject and the ExternalProject test's CMakeLists file rather than having duplicate find_program calls. Add logic so that we do not try to use *.cmd variants of git programs when using the MSYS Makefiles generator. Should fix the last remaining dashboard issue with the new ExternalProject git support additions. Also, correct minor problem regarding placement of the local git repo during test execution. On clean builds, it was being placed incorrectly because of the ../.. relative reference. Use an absolute path to place the local git repo in the proper directory, and only use the relative reference when referring to it.
2010-06-03 21:30:07 +00:00
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
Modules: Fix spelling 'To distributed' -> 'To distribute'
2010-08-07 00:48:47 +00:00
# (To distribute this file outside of CMake, substitute the full
Add FindGit module. Use it from ExternalProject and the ExternalProject test's CMakeLists file rather than having duplicate find_program calls. Add logic so that we do not try to use *.cmd variants of git programs when using the MSYS Makefiles generator. Should fix the last remaining dashboard issue with the new ExternalProject git support additions. Also, correct minor problem regarding placement of the local git repo during test execution. On clean builds, it was being placed incorrectly because of the ../.. relative reference. Use an absolute path to place the local git repo in the proper directory, and only use the relative reference when referring to it.
2010-06-03 21:30:07 +00:00
# License text for the above reference.)
# Look for 'git' or 'eg' (easy git)
#
set(git_names git eg)
# Prefer .cmd variants on Windows unless running in a Makefile
# in the MSYS shell.
#
if(WIN32)
if(NOT CMAKE_GENERATOR MATCHES "MSYS")
set(git_names git.cmd git eg.cmd eg)
endif()
endif()
find_program(GIT_EXECUTABLE
NAMES ${git_names}
Add PATH_SUFFIXES for finding git. This commit makes it automatic to find msysGit installed in its default locations on Windows.
2011-01-06 15:09:48 +00:00
PATH_SUFFIXES Git/cmd Git/bin
Add FindGit module. Use it from ExternalProject and the ExternalProject test's CMakeLists file rather than having duplicate find_program calls. Add logic so that we do not try to use *.cmd variants of git programs when using the MSYS Makefiles generator. Should fix the last remaining dashboard issue with the new ExternalProject git support additions. Also, correct minor problem regarding placement of the local git repo during test execution. On clean builds, it was being placed incorrectly because of the ../.. relative reference. Use an absolute path to place the local git repo in the proper directory, and only use the relative reference when referring to it.
2010-06-03 21:30:07 +00:00
DOC "git command line client"
)
mark_as_advanced(GIT_EXECUTABLE)
FindGit: support version number
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if(GIT_EXECUTABLE)
execute_process(COMMAND ${GIT_EXECUTABLE} --version
OUTPUT_VARIABLE git_version
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (git_version MATCHES "^git version [0-9]")
string(REPLACE "git version " "" GIT_VERSION_STRING "${git_version}")
endif()
unset(git_version)
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 17:50:14 +00:00
endif()
FindGit: support version number
2012-01-23 18:46:08 +00:00
Add FindGit module. Use it from ExternalProject and the ExternalProject test's CMakeLists file rather than having duplicate find_program calls. Add logic so that we do not try to use *.cmd variants of git programs when using the MSYS Makefiles generator. Should fix the last remaining dashboard issue with the new ExternalProject git support additions. Also, correct minor problem regarding placement of the local git repo during test execution. On clean builds, it was being placed incorrectly because of the ../.. relative reference. Use an absolute path to place the local git repo in the proper directory, and only use the relative reference when referring to it.
2010-06-03 21:30:07 +00:00
# Handle the QUIETLY and REQUIRED arguments and set GIT_FOUND to TRUE if
# all listed variables are TRUE
Modules: Include builtin FindPackageHandleStandardArgs directly The FindPackageHandleStandardArgs module was originally created outside of CMake. It was added for CMake 2.6.0 by commit e118a627 (add a macro FIND_PACKAGE_HANDLE_STANDARD_ARGS..., 2007-07-18). However, it also proliferated into a number of other projects that at the time required only CMake 2.4 and thus could not depend on CMake to provide the module. CMake's own find modules started using the module in commit b5f656e0 (use the new FIND_PACKAGE_HANDLE_STANDARD_ARGS in some of the FindXXX modules..., 2007-07-18). Then commit d358cf5c (add 2nd, more powerful mode to find_package_handle_standard_args, 2010-07-29) added a new feature to the interface of the module that was fully optional and backward compatible with all existing users of the module. Later commit 5f183caa (FindZLIB: use the FPHSA version mode, 2010-08-04) and others shortly thereafter started using the new interface in CMake's own find modules. This change was also backward compatible because it was only an implementation detail within each module. Unforutnately these changes introduced a problem for projects that still have an old copy of FindPackageHandleStandardArgs in CMAKE_MODULE_PATH. When any such project uses one of CMake's builtin find modules the line include(FindPackageHandleStandardArgs) loads the copy from the project which does not have the new interface! Then the including find module tries to use the new interface with the old module and fails. Whether this breakage can be considered a backward incompatible change in CMake is debatable. The situation is analagous to copying a standard library header from one version of a compiler into a project and then observing problems when the next version of the compiler reports errors in its other headers that depend on its new version of the original header. Nevertheless it is a change to CMake that causes problems for projects that worked with previous versions. This problem was discovered during the 2.8.3 release candidate cycle. It is an instance of a more general problem with projects that provide their own versions of CMake modules when other CMake modules depend on them. At the time we resolved this instance of the problem with commit b0118402 (Use absolute path to FindPackageHandleStandardArgs.cmake everywhere, 2010-09-28) for the 2.8.3 release. In order to address the more general problem we introduced policy CMP0017 in commit db44848f (Prefer files from CMAKE_ROOT when including from CMAKE_ROOT, 2010-11-17). That change was followed by commit ce28737c (Remove usage of CMAKE_CURRENT_LIST_DIR now that we have CMP0017, 2010-12-20) which reverted the original workaround in favor of using the policy. However, existing project releases do not set the policy behavior to NEW and therefore still exhibit the problem. We introduced in commit a364daf1 (Allow users to specify defaults for unset policies, 2011-01-03) an option for users to build existing projects by adding -DCMAKE_POLICY_DEFAULT_CMP0017=NEW to the command line. Unfortunately this solution still does not allow such projects to build out of the box, and there is no good way to suggest the use of the new option. The only remaining solution to keep existing projects that exhibit this problem building is to restore the change originally made in commit b0118402 (Use absolute path to FindPackageHandleStandardArgs.cmake everywhere, 2010-09-28). This also avoids policy CMP0017 warnings for this particular instance of the problem the policy addresses.
2011-01-20 15:56:49 +00:00
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FindGit: support version number
2012-01-23 18:46:08 +00:00
find_package_handle_standard_args(Git
REQUIRED_VARS GIT_EXECUTABLE
VERSION_VAR GIT_VERSION_STRING)
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