This commit fixes the problem of missing build dependencies between
libclc source files and their various includes (namely headers and .inc
files).
We would like to do this with compiler-generated dependency files
because then the dependencies are accurate and there are no false
positives, leading to unnecessary rebuilds. This is how regular C/C++
dependencies are usually tracked by CMake.
Note that this variable is an internal API so is not guaranteed to work,
but then again *all* of CMake's support for new languages (which we use
for CLC/LL languages) is an internal API. On balance this change is
probably worth it due to how minimally invasive it is. It should work
with all supported compilers and CMake generators.
Having a mix of tabs and spaces makes the diff of any changes to the
build system noisier than necessary. This commit unifies them to two
spaces.
This includes some minor cosmetic changes such as with joining things on
one line where appropriate.
There are other files in libclc which have tabs but those haven't been
touched at this time. Those could come at another time if desired,
though they might be more contentious as the project isn't
clang-formatted at all and so that might invite larger discussions
around formatting.
This is required for using the Ninja backend on Windows, as it passes
commands directly to CreateProcess, and does not allow the shell to
interpret them: https://ninja-build.org/manual.html#ref_rule_command
Using the Visual Studio backend is not possible as attempting to create
a static library target comprised entirely of novel languages not known
to the Visual Studio backend built in to CMake's C++ source will
generate nothing at all.
reviewer: jvesely
Differential Revision: https://reviews.llvm.org/D77165
We don't want the regular linker flags for these invocations, since
we're not compiling to the target machine anyway. This fixes things like
'/machine:x64' being unknown when invoked under Windows.
reviewer: jvesely
Differential Revision: https://reviews.llvm.org/D77164
When providing a fake compiler, libclc currently uses 'true' which does
not exist on Windows. Use echo instead as the no-op.
reviewer: jvesely
Differential Revision: https://reviews.llvm.org/D77163
Add cmake support for CLC and ll asm language,
the latter includes clang preprocessing stage.
Add ctests to check for external function calls.
v2: fix typos, style
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Acked-by: Aaron Watry <awatry@gmail.com>
Tested-by: Aaron Watry <awatry@gmail.com>
Acked-by: Vedran Miletić <vedran@miletic.net>
llvm-svn: 347667
