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# Gperf recipe. Gperf is only required when building Neovim, when
# cross compiling we still want to build for the HOST system, whenever
# writing a recipe that is meant for cross-compile, use the HOSTDEPS_* variables
# instead of DEPS_* - check the main CMakeLists.txt for a list.
# BuildGperf(CONFIGURE_COMMAND ... BUILD_COMMAND ... INSTALL_COMMAND ...)
# Reusable function to build Gperf, wraps ExternalProject_Add.
# Failing to pass a command argument will result in no command being run
function(BuildGperf)
cmake_parse_arguments(_gperf
""
""
"CONFIGURE_COMMAND;BUILD_COMMAND;INSTALL_COMMAND"
${ARGN})
if(NOT _gperf_CONFIGURE_COMMAND AND NOT _gperf_BUILD_COMMAND
AND NOT _gperf_INSTALL_COMMAND)
message(FATAL_ERROR "Must pass at least one of CONFIGURE_COMMAND, BUILD_COMMAND, INSTALL_COMMAND")
endif()
ExternalProject_Add(gperf
PREFIX ${DEPS_BUILD_DIR}
URL ${GPERF_URL}
DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/gperf
DOWNLOAD_COMMAND ${CMAKE_COMMAND}
-DPREFIX=${DEPS_BUILD_DIR}
-DDOWNLOAD_DIR=${DEPS_DOWNLOAD_DIR}/gperf
-DURL=${GPERF_URL}
-DEXPECTED_SHA256=${GPERF_SHA256}
-DTARGET=gperf
-DUSE_EXISTING_SRC_DIR=${USE_EXISTING_SRC_DIR}
-P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/DownloadAndExtractFile.cmake
BUILD_IN_SOURCE 1
CONFIGURE_COMMAND "${_gperf_CONFIGURE_COMMAND}"
BUILD_COMMAND "${_gperf_BUILD_COMMAND}"
INSTALL_COMMAND "${_gperf_INSTALL_COMMAND}")
endfunction()
if(UNIX OR (MINGW AND CMAKE_CROSSCOMPILING))
BuildGperf(
CONFIGURE_COMMAND ${DEPS_BUILD_DIR}/src/gperf/configure
--prefix=${HOSTDEPS_INSTALL_DIR} MAKE=${MAKE_PRG}
INSTALL_COMMAND ${MAKE_PRG} install)
elseif(MSVC OR MINGW)
BuildGperf(
CONFIGURE_COMMAND ${CMAKE_COMMAND} -E copy
${CMAKE_CURRENT_SOURCE_DIR}/cmake/GperfCMakeLists.txt
${DEPS_BUILD_DIR}/src/gperf/CMakeLists.txt
COMMAND ${CMAKE_COMMAND} ${DEPS_BUILD_DIR}/src/gperf/CMakeLists.txt
-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
-DCMAKE_GENERATOR=${CMAKE_GENERATOR}
-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
BUILD_COMMAND ${CMAKE_COMMAND} --build . --config ${CMAKE_BUILD_TYPE}
INSTALL_COMMAND ${CMAKE_COMMAND} --build . --target install --config ${CMAKE_BUILD_TYPE})
else()
message(FATAL_ERROR "Trying to build gperf in an unsupported system ${CMAKE_SYSTEM_NAME}/${CMAKE_C_COMPILER_ID}")
endif()
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