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Glibc module: detect location of glibc header files #282

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Merged
merged 1 commit into from
Dec 10, 2015
Merged

Glibc module: detect location of glibc header files #282

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52 changes: 29 additions & 23 deletions stdlib/public/Glibc/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,34 +1,40 @@
set(sources
module.map
)
Glibc.swift
)

set(output_dir "${SWIFTLIB_DIR}/glibc")

set(commands
COMMAND ${CMAKE_COMMAND} "-E" "make_directory" "${output_dir}")
set(outputs)
foreach(input ${sources})
list(APPEND commands
COMMAND
"${CMAKE_COMMAND}" "-E" "copy_if_different"
"${CMAKE_CURRENT_SOURCE_DIR}/${input}"
"${output_dir}/${input}")
list(APPEND outputs "${output_dir}/${input}")
endforeach()
# Put the output dir itself last so that it isn't considered the primary output.
list(APPEND outputs "${output_dir}")
# Set correct paths to glibc headers
set(GLIBC_INCLUDE_PATH "/usr/include")
if(CMAKE_LIBRARY_ARCHITECTURE)
set(GLIBC_ARCH_INCLUDE_PATH "${GLIBC_INCLUDE_PATH}/${CMAKE_LIBRARY_ARCHITECTURE}")
else()
set(GLIBC_ARCH_INCLUDE_PATH "${GLIBC_INCLUDE_PATH}")
endif()
if (NOT EXISTS "${GLIBC_ARCH_INCLUDE_PATH}/sys")
message(FATAL_ERROR "Glibc headers were not found.")
endif()

# Generate module.map
configure_file(module.map.in "${CMAKE_CURRENT_BINARY_DIR}/module.map" @ONLY)

add_custom_command_target(unused_var
${commands}
COMMAND
"${CMAKE_COMMAND}" "-E" "make_directory" "${output_dir}"
COMMAND
"${CMAKE_COMMAND}" "-E" "copy_if_different"
"${CMAKE_CURRENT_BINARY_DIR}/module.map"
"${output_dir}/module.map"
CUSTOM_TARGET_NAME "copy_glibc_module"
OUTPUT "${outputs}"
DEPENDS "${sources}"
OUTPUT "${output_dir}/module.map" "${output_dir}"
DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/module.map"
COMMENT "Copying Glibc module to ${output_dir}")

swift_install_in_component(stdlib
FILES ${sources}
FILES "${output_dir}/module.map"
DESTINATION "lib/swift/glibc")

add_swift_library(swiftGlibc IS_SDK_OVERLAY
Glibc.swift
FILE_DEPENDS copy_glibc_module "${SWIFTLIB_DIR}/glibc"
INSTALL_IN_COMPONENT stdlib-experimental)

${sources}
FILE_DEPENDS copy_glibc_module "${output_dir}"
INSTALL_IN_COMPONENT stdlib-experimental)
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