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Diffstat (limited to 'tiff/cmake/ProcessorChecks.cmake')
| -rw-r--r-- | tiff/cmake/ProcessorChecks.cmake | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tiff/cmake/ProcessorChecks.cmake b/tiff/cmake/ProcessorChecks.cmake new file mode 100644 index 00000000..8d8c568a --- /dev/null +++ b/tiff/cmake/ProcessorChecks.cmake @@ -0,0 +1,47 @@ +# Processor capability checks +# +# Copyright © 2015 Open Microscopy Environment / University of Dundee +# Copyright © 2021 Roger Leigh <rleigh@codelibre.net> +# Written by Roger Leigh <rleigh@codelibre.net> +# +# Permission to use, copy, modify, distribute, and sell this software and +# its documentation for any purpose is hereby granted without fee, provided +# that (i) the above copyright notices and this permission notice appear in +# all copies of the software and related documentation, and (ii) the names of +# Sam Leffler and Silicon Graphics may not be used in any advertising or +# publicity relating to the software without the specific, prior written +# permission of Sam Leffler and Silicon Graphics. +# +# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, +# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY +# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. +# +# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR +# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, +# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF +# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +# OF THIS SOFTWARE. + + +include(TestBigEndian) + + +# CPU bit order +set(HOST_FILLORDER FILLORDER_MSB2LSB) +if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "i.*86.*" OR + CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "amd64.*" OR + # AMD64 on Windows + CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "AMD64" OR + CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "x86_64.*") + set(HOST_FILLORDER FILLORDER_LSB2MSB) +endif() + +# CPU endianness +test_big_endian(HOST_BIG_ENDIAN) +if(HOST_BIG_ENDIAN) + add_definitions(-DWORDS_BIGENDIAN) +endif() + +# IEEE floating point +set(HAVE_IEEEFP 1) |