yosys/cmake/UseHomebrew.cmake

38 lines
950 B
CMake

# Syntax:
#
# use_homebrew([ROOT <root>])
#
# Includes all packages installed in `<root>` (output of brew --prefix if not
# specified) in `CMAKE_FIND_ROOT_PATH`.
#
function(use_homebrew)
cmake_parse_arguments(PARSE_ARGV 0 arg "" "ROOT" "")
if (NOT arg_ROOT)
execute_process(
COMMAND brew --prefix
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
RESULT_VARIABLE brew_prefix_result
OUTPUT_VARIABLE brew_prefix_out
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
if (${brew_prefix_result} EQUAL 0)
set (arg_ROOT "${brew_prefix_out}/Cellar")
endif()
endif()
if (NOT arg_ROOT)
# unset and no brew binary available
return()
endif()
file(GLOB package_roots ${arg_ROOT}/*/*) # e.g. `/opt/homebrew/Cellar/bison/3.8.2/`
foreach (package_root ${package_roots})
if (IS_DIRECTORY ${package_root})
list(APPEND CMAKE_FIND_ROOT_PATH ${package_root})
endif()
endforeach()
return(PROPAGATE CMAKE_FIND_ROOT_PATH)
endfunction()