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build(lpeg): search for lpeg.so on MacOS

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Problem: Currently Neovim only searches for lpeg.dylib, liblpeg.dylib,
etc. on MacOS, but a normal installation of lpeg will produce lpeg.so
instead.  There are explicit workarounds for this by modifying lpeg's
package in Homebrew, and will shortly be another in spack.

Solution: also search for lpeg.so even if that's not the platform
default, because Lua and luarocks use it anyway.
This commit is contained in:
Tom Scogland
2024-10-10 11:14:23 -07:00
committed by dundargoc
parent 573bcb2aaf
commit e178331488
1 changed files with 10 additions and 1 deletions
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11
cmake/FindLpeg.cmake
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@ -1,4 +1,13 @@
find_library2(LPEG_LIBRARY NAMES lpeg_a lpeg liblpeg_a lpeg${CMAKE_SHARED_LIBRARY_SUFFIX} PATH_SUFFIXES lua/5.1)
find_library2(LPEG_LIBRARY NAMES lpeg_a lpeg liblpeg_a lpeg.so lpeg${CMAKE_SHARED_LIBRARY_SUFFIX} PATH_SUFFIXES lua/5.1)
if(CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND LPEG_LIBRARY MATCHES ".so$")
execute_process(
COMMAND otool -hv "${LPEG_LIBRARY}"
OUTPUT_VARIABLE LPEG_HEADER
)
if(LPEG_HEADER MATCHES ".* BUNDLE .*")
message(FATAL_ERROR "lpeg library found at ${LPEG_LIBRARY} but built as a bundle rather than a dylib, please rebuild with `-dynamiclib` rather than `-bundle`")
endif()
endif()
find_package_handle_standard_args(Lpeg DEFAULT_MSG LPEG_LIBRARY)
mark_as_advanced(LPEG_LIBRARY)