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llvm-project/llvm/cmake/modules/LLVMInstallSymlink.cmake

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[CMake] Refactor and cleanup generating and installing symlinks to tools. Summary: This change generalizes symlink generation and makes symlinks to tools obey LLVM_TOOLCHAIN_TOOLS. It makes it so that if you exclude llvm-ar from LLVM_TOOLCHAIN_TOOLS you don't end up with broken symlinks to llvm-lib and llvm-ranlib in your install. Reviewers: bogner, chapuni, rafael Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D12864 llvm-svn: 247632
2015-09-15 07:09:06 +08:00
# We need to execute this script at installation time because the
# DESTDIR environment variable may be unset at configuration time.
# See PR8397.
[llvm] Use `GNUInstallDirs` to support custom installation dirs This is the patch for LLVM proper in my series for adding GNUInstallDirs support in all project. Additionally: Create a new `CACHE STRING` variable, `LLVM_EXAMPLES_INSTALL_DIR`, to control where the examples are installed on analogy with the other variables. --- This patch supersedes D28234, which tried to do the same thing but hand-rolled without GNUInstallDirs. This patch nearly reverts commit 3 0fc88bf1dc15a72e2d9809d28019d386b7a7cc0, which was a revert of a prior attempt." (I had to add a space here or else Phabricator detects a reference cycle and won't let me do the form submit.) Reviewed By: compnerd Differential Revision: https://reviews.llvm.org/D100810
2021-12-11 09:36:24 +08:00
include(GNUInstallDirs)
[CMake] Cleaning up and generalizing the LLVMInstallSymlink script so that it can be used for libraries too. In order to resolve PR25059, we're going to need to be able to generate symlinks to libraries manually, so I need this code to be reusable. llvm-svn: 250573
2015-10-17 07:17:13 +08:00
function(install_symlink name target outdir)
[cmake] install_symlink should obey DESTDIR unconditionally Setting DESTDIR was erroneously buried under a condition here - if it's set it should always be used. llvm-svn: 369011
2019-08-15 23:36:13 +08:00
set(DESTDIR $ENV{DESTDIR})
Revert "[llvm][cmake] Make `llvm_install_symlink` robust to absolute dirs." https://lab.llvm.org/buildbot/#/builders/36/builds/16668 was the sort of thing I saw before when this was part of D99484, and it makes some sense now this would have something to do with it. This reverts commit 58580e922a69d94859a2506c3053d8c066a1e38c.
2022-01-21 10:48:10 +08:00
set(bindir "${DESTDIR}${CMAKE_INSTALL_PREFIX}/${outdir}")
[CMake] Refactor and cleanup generating and installing symlinks to tools. Summary: This change generalizes symlink generation and makes symlinks to tools obey LLVM_TOOLCHAIN_TOOLS. It makes it so that if you exclude llvm-ar from LLVM_TOOLCHAIN_TOOLS you don't end up with broken symlinks to llvm-lib and llvm-ranlib in your install. Reviewers: bogner, chapuni, rafael Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D12864 llvm-svn: 247632
2015-09-15 07:09:06 +08:00
Specify log level for CMake messages (less stderr) Summary: Specify message levels in CMake. Prefer STATUS (stdout). As the default message mode (i.e. level) is NOTICE in CMake, more then necessary messages get printed to stderr. Some tools, noticably ccmake treat this as an error and require additional confirmation and re-running CMake's configuration step. This commit specifies a mode (either STATUS or WARNING or FATAL_ERROR) instead of the default. * I used `csearch -f 'llvm-project/.+(CMakeLists\.txt|cmake)' -l 'message\("'` to find all locations. * Reviewers were chosen by the most common authors of specific files. If there are more suitable reviewers for these CMake changes, please let me know. Patch by: Christoph Siedentop Reviewers: zturner, beanz, xiaobai, kbobyrev, lebedev.ri, sgraenitz Reviewed By: sgraenitz Subscribers: mgorny, lebedev.ri, #sanitizers, lldb-commits, llvm-commits Tags: #sanitizers, #lldb, #llvm Differential Revision: https://reviews.llvm.org/D63370 llvm-svn: 363821
2019-06-19 23:25:32 +08:00
message(STATUS "Creating ${name}")
[CMake] Refactor and cleanup generating and installing symlinks to tools. Summary: This change generalizes symlink generation and makes symlinks to tools obey LLVM_TOOLCHAIN_TOOLS. It makes it so that if you exclude llvm-ar from LLVM_TOOLCHAIN_TOOLS you don't end up with broken symlinks to llvm-lib and llvm-ranlib in your install. Reviewers: bogner, chapuni, rafael Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D12864 llvm-svn: 247632
2015-09-15 07:09:06 +08:00
execute_process(
[CMake] try creating symlink first on windows //-E create_symlink// is available on windows since CMake 3.13 (LLVM now uses 3.13.4) It may needs administrator privileges or enabled developer mode (Windows 10) See https://cmake.org/cmake/help/latest/release/3.13.html Reviewed By: kbobyrev Differential Revision: https://reviews.llvm.org/D99170
2021-04-07 17:23:10 +08:00
COMMAND "${CMAKE_COMMAND}" -E create_symlink "${target}" "${name}"
WORKING_DIRECTORY "${bindir}" ERROR_VARIABLE has_err)
if(CMAKE_HOST_WIN32 AND has_err)
execute_process(
COMMAND "${CMAKE_COMMAND}" -E copy "${target}" "${name}"
WORKING_DIRECTORY "${bindir}")
endif()
[CMake] Refactor and cleanup generating and installing symlinks to tools. Summary: This change generalizes symlink generation and makes symlinks to tools obey LLVM_TOOLCHAIN_TOOLS. It makes it so that if you exclude llvm-ar from LLVM_TOOLCHAIN_TOOLS you don't end up with broken symlinks to llvm-lib and llvm-ranlib in your install. Reviewers: bogner, chapuni, rafael Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D12864 llvm-svn: 247632
2015-09-15 07:09:06 +08:00
endfunction()