llvm-capstone/libclc
Aaron Puchert 1c1a810558 libclc: Use find_package to find Python 3 and require it
The script's shebang wants Python 3, so we use FindPython3. The
original code didn't work when an unversioned python was not available.
This is explicitly allowed in PEP 394. ("Distributors may choose to set
the behavior of the python command as follows: python2, python3, not
provide python command, allow python to be configurable by an end user
or a system administrator.")

Also I think it's actually required, so let the configuration fail if we
can't find it.

Lastly remove the shebang, since the script is only run via interpreter
and doesn't have the executable bit set anyway.

Reviewed By: jvesely

Differential Revision: https://reviews.llvm.org/D88366
2020-10-01 22:31:33 +02:00
..
amdgcn/lib libclc: Make all built-ins overloadable 2020-08-17 13:55:48 -07:00
amdgcn-amdhsa/lib libclc: Make all built-ins overloadable 2020-08-17 13:55:48 -07:00
amdgpu/lib Remove redundant OVERRRIDES file 2018-11-04 00:54:46 +00:00
cmake libclc: Use temporary files rather than a pipe 2020-04-14 10:03:27 -04:00
generic libclc: Use find_package to find Python 3 and require it 2020-10-01 22:31:33 +02:00
ptx/lib ptx: Use __clc_nextafter to implement nextafter 2017-10-08 19:34:00 +00:00
ptx-nvidiacl/lib libclc: Make all built-ins overloadable 2020-08-17 13:55:48 -07:00
r600/lib libclc: Make all built-ins overloadable 2020-08-17 13:55:48 -07:00
spirv/lib libclc: Add a __builtin to let SPIRV targets select between SW and HW FMA 2020-09-16 01:37:22 -04:00
spirv64/lib libclc: Add a __builtin to let SPIRV targets select between SW and HW FMA 2020-09-16 01:37:22 -04:00
test
utils Revert "Rename F_{None,Text,Append} to OF_{None,Text,Append}. NFC" 2019-08-05 17:23:23 +00:00
www [www] Change URLs to HTTPS. 2019-10-24 13:25:15 -07:00
.gitignore
amdgcn-mesa3d configure: Provide symlink for amdgcn-mesa3d instead of configure hack 2018-11-04 00:54:45 +00:00
check_external_calls.sh check_external_calls.sh: Print number of calls in tested file. 2017-10-08 20:07:56 +00:00
CMakeLists.txt libclc: Use find_package to find Python 3 and require it 2020-10-01 22:31:33 +02:00
compile-test.sh
CREDITS.TXT
libclc.pc.in cmake: Install libraries to DATADIR from GNUInstallDirs 2019-01-07 20:20:37 +00:00
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
README.TXT libclc: update website url 2020-05-29 09:18:37 +02:00

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libclc
------

libclc is an open source, BSD licensed implementation of the library
requirements of the OpenCL C programming language, as specified by the
OpenCL 1.1 Specification. The following sections of the specification
impose library requirements:

  * 6.1: Supported Data Types
  * 6.2.3: Explicit Conversions
  * 6.2.4.2: Reinterpreting Types Using as_type() and as_typen()
  * 6.9: Preprocessor Directives and Macros
  * 6.11: Built-in Functions
  * 9.3: Double Precision Floating-Point
  * 9.4: 64-bit Atomics
  * 9.5: Writing to 3D image memory objects
  * 9.6: Half Precision Floating-Point

libclc is intended to be used with the Clang compiler's OpenCL frontend.

libclc is designed to be portable and extensible. To this end, it provides
generic implementations of most library requirements, allowing the target
to override the generic implementation at the granularity of individual
functions.

libclc currently only supports the PTX target, but support for more
targets is welcome.

Compiling and installing with Make
----------------------------------

$ ./configure.py --with-llvm-config=/path/to/llvm-config && make
$ make install

Note you can use the DESTDIR Makefile variable to do staged installs.

$ make install DESTDIR=/path/for/staged/install

Compiling and installing with Ninja
-----------------------------------

$ ./configure.py -g ninja --with-llvm-config=/path/to/llvm-config && ninja
$ ninja install

Note you can use the DESTDIR environment variable to do staged installs.

$ DESTDIR=/path/for/staged/install ninja install

Website
-------

https://libclc.llvm.org/