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Remove all older OMP spec versioning from the runtime and build system.
Patch by Terry Wilmarth
Differential Revision: https://reviews.llvm.org/D64534
llvm-svn: 365963
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to reflect the new license. These used slightly different spellings that
defeated my regular expressions.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351648
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UNICODE and _UNICODE defintions were added in the LLVM CMake build system.
While on Unices, the UNICODE/_UNICODE macros don't cause problems, on Windows
only ittnotify_static.c should be compiled using -DUNICODE. We are still
looking at a proper fix, but this change sets the build back to exactly what it
was doing before. Also, a comment and TODO were added in the src/CMakeLists.txt
file to help explain.
llvm-svn: 274052
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That patch made all LLVM projects build with -DUNICODE. However, this doesn't
work for the OpenMP runtime.
But just overriding the flag with -UUNICODE breaks compiling ittnotify_static.c,
which for some reason needs to be compiled with -DUNICIODE. Note that compiling
ittnotify.h with -DUNICODE does not work though.
This seems like a mess. This commit fixes it for now, but it would be great
if someone who works on the OpenMP runtime could fix it properly.
llvm-svn: 273898
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Currently, the libomp CMake build system uses a Perl script to configure files
(tools/expand-vars.pl). This patch replaces the use of the Perl script by using
CMake's configure_file() function. The major changes include:
1. *.var has every $KMP_* variable changed to @LIBOMP_*@
2. kmp_config.h.cmake is a new file which contains all the feature macros and
#cmakedefine lines
3. Most of the -D lines have been moved from LibompDefinitions.cmake but some
OS specific MACROs (e.g., _GNU_SOURCE) remain.
4. All expand-vars.pl related logic is removed from the CMake files.
One important note about this change is that it breaks the old Perl+Makefile
build system because it can't create kmp_config.h properly.
Differential Review: http://reviews.llvm.org/D12211
llvm-svn: 246314
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I apologize for this nasty commit, but I somehow overlooked Chandler's
comment to re-indent these files to two space indention. I know this
is a horrible commit, but I figured if it was done quickly after the
first one, not too many conflicts would arise.
Again, I'm sorry and won't do this again.
llvm-svn: 242301
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This commit improves numerous functionalities of the OpenMP CMake build
system to be more conducive with LLVM's build system and build philosophies.
The CMake build system, as it was before this commit, was not up to LLVM's
standards and did not implement the configuration stage like most CMake based
build systems offer (check for compiler flags, libraries, etc.) In order to
improve it dramatically in a short period of time, a large refactoring had
to be done.
The main changes done with this commit are as follows:
* Compiler flag checks - The flags are no longer grabbed from compiler specific
directories. They are checked for availability in config-ix.cmake and added
accordingly inside LibompHandleFlags.cmake.
* Feature checks were added in config-ix.cmake. For example, the standard CMake
module FindThreads is probed for the threading model to use inside the OpenMP
library.
* OS detection - There is no longer a LIBOMP_OS variable, OS-specifc build logic
is wrapped around the WIN32 and APPLE macros with !(WIN32 OR APPLE) meaning
a Unix flavor of some sort.
* Got rid of vestigial functions/macros/variables
* Added new libomp_append() function which is used everywhere to conditionally
or undconditionally append to a list
* All targets have the libomp prefix so as not to interfere with any other
project
* LibompCheckLinkerFlag.cmake module was added which checks for linker flags
specifically for building shared libraries.
* LibompCheckFortranFlag.cmake module was added which checks for fortran flag
availability.
* Removed most of the cruft from the translation between the perl+Makefile based
build system and this one. The remaining components that they share are
perl scripts which I'm in the process of removing.
There is still more left to do. The perl scripts still need to be removed, and
a config.h.in file (or similarly named) needs to be added with #cmakedefine lines
in it. But this is a much better first step than the previous system.
Differential Revision: http://reviews.llvm.org/D10656
llvm-svn: 242298
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