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Allow usage of lcms2 when compiling with Clang

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Otherwise the build fails for me with the following error:
error: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
Upstream does not appear willing to fix this issue, so we have to add a
define to avoid usage of this useless keyword.
See https://github.com/mm2/Little-CMS/issues/190 and
https://github.com/mm2/Little-CMS/issues/243.
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Alex Richardson 2022-05-13 19:30:04 +01:00 committed by Alex Richardson
parent 9ff137f5cb
commit cf8f189be2
1 changed files with 3 additions and 0 deletions
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3
cmake/modules/Findlcms2.cmake
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@ -61,6 +61,9 @@ if (lcms2_FOUND AND NOT TARGET lcms2::lcms2)
set_target_properties(lcms2::lcms2 PROPERTIES set_target_properties(lcms2::lcms2 PROPERTIES
IMPORTED_LOCATION "${lcms2_LIBRARY}" IMPORTED_LOCATION "${lcms2_LIBRARY}"
INTERFACE_COMPILE_OPTIONS "${lcms2_DEFINITIONS}" INTERFACE_COMPILE_OPTIONS "${lcms2_DEFINITIONS}"
# Don't use the register keyword to allow compiling in C++17 mode.
# See https://github.com/mm2/Little-CMS/issues/243
INTERFACE_COMPILE_DEFINITIONS "CMS_NO_REGISTER_KEYWORD=1"
INTERFACE_INCLUDE_DIRECTORIES "${lcms2_INCLUDE_DIR}" INTERFACE_INCLUDE_DIRECTORIES "${lcms2_INCLUDE_DIR}"
) )
endif() endif()