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| author | Brad King <brad.king@kitware.com> | 2020-11-03 21:57:16 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2020-11-04 15:08:13 (GMT) |
| commit | f511a1c00912f3e1d368a423b07bd1a1ab57fab3 (patch) | |
| tree | e4feec49632b94694eb09fbfaef8cc57debf0aec /Help/variable/CMAKE_LANG_BYTE_ORDER.rst | |
| parent | 606b34b3a6eeac1bcd64c274b5407cc2cd6be2bd (diff) | |
| download | CMake-f511a1c00912f3e1d368a423b07bd1a1ab57fab3.zip CMake-f511a1c00912f3e1d368a423b07bd1a1ab57fab3.tar.gz CMake-f511a1c00912f3e1d368a423b07bd1a1ab57fab3.tar.bz2 | |
CMakeDetermineCompilerABI: Detect byte order as part of check
We already detect `sizeof(void*)`. Detect the byte order as part of the
same check.
Issue: #21392
Diffstat (limited to 'Help/variable/CMAKE_LANG_BYTE_ORDER.rst')
| -rw-r--r-- | Help/variable/CMAKE_LANG_BYTE_ORDER.rst | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Help/variable/CMAKE_LANG_BYTE_ORDER.rst b/Help/variable/CMAKE_LANG_BYTE_ORDER.rst new file mode 100644 index 0000000..78f0ae6 --- /dev/null +++ b/Help/variable/CMAKE_LANG_BYTE_ORDER.rst @@ -0,0 +1,20 @@ +CMAKE_<LANG>_BYTE_ORDER +----------------------- + +.. versionadded:: 3.20 + +Byte order of ``<LANG>`` compiler target architecture, if known. +If defined and not empty, the value is one of: + +``BIG_ENDIAN`` + The target architecture is Big Endian. + +``LITTLE_ENDIAN`` + The target architecture is Little Endian. + +This is defined for languages ``C``, ``CXX``, ``OBJC``, ``OBJCXX``, +and ``CUDA``. + +If :variable:`CMAKE_OSX_ARCHITECTURES` specifies multiple architectures, the +value of ``CMAKE_<LANG>_BYTE_ORDER`` is non-empty only if all architectures +share the same byte order. |