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89 lines
2.8 KiB
CMake
89 lines
2.8 KiB
CMake
# Copyright 2019 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Downloads and unpacks libunwind at configure time
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set(workdir "${CMAKE_BINARY_DIR}/libcap-download")
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configure_file("${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt.in"
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"${workdir}/CMakeLists.txt")
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execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
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RESULT_VARIABLE error
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WORKING_DIRECTORY "${workdir}")
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if(error)
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message(FATAL_ERROR "CMake step for ${PROJECT_NAME} failed: ${error}")
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endif()
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execute_process(COMMAND ${CMAKE_COMMAND} --build .
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RESULT_VARIABLE error
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WORKING_DIRECTORY "${workdir}")
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if(error)
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message(FATAL_ERROR "Build step for ${PROJECT_NAME} failed: ${error}")
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endif()
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set(_cap_src "${CMAKE_BINARY_DIR}/libcap-src")
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set(libcap_INCLUDE_DIR ${_cap_src}/libcap/include)
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add_custom_command(OUTPUT ${_cap_src}/libcap/cap_names.list.h
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VERBATIM
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# Use the same logic as libcap/Makefile
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COMMAND sed -ne [=[/^#define[ \\t]CAP[_A-Z]\+[ \\t]\+[0-9]\+/{s/^#define \([^ \\t]*\)[ \\t]*\([^ \\t]*\)/\{\"\1\",\2\},/p;}]=]
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${_cap_src}/libcap/include/uapi/linux/capability.h |
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tr [:upper:] [:lower:] > ${_cap_src}/libcap/cap_names.list.h
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)
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add_executable(libcap_makenames
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${_cap_src}/libcap/cap_names.list.h
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${_cap_src}/libcap/_makenames.c
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)
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target_include_directories(libcap_makenames PUBLIC
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${_cap_src}/libcap
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${_cap_src}/libcap/include
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${_cap_src}/libcap/include/uapi
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)
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add_custom_command(OUTPUT ${_cap_src}/libcap/cap_names.h
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COMMAND libcap_makenames > ${_cap_src}/libcap/cap_names.h
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)
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add_library(cap STATIC
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${_cap_src}/libcap/cap_alloc.c
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${_cap_src}/libcap/cap_extint.c
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${_cap_src}/libcap/cap_file.c
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${_cap_src}/libcap/cap_flag.c
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${_cap_src}/libcap/cap_names.h
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${_cap_src}/libcap/cap_proc.c
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${_cap_src}/libcap/cap_text.c
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${_cap_src}/libcap/include/uapi/linux/capability.h
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${_cap_src}/libcap/libcap.h
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)
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add_library(libcap::libcap ALIAS cap)
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target_include_directories(cap PUBLIC
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${_cap_src}/libcap
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${_cap_src}/libcap/include
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${_cap_src}/libcap/include/uapi
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)
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target_compile_options(cap PRIVATE
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-Wno-tautological-compare
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-Wno-unused-result
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)
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target_compile_definitions(cap PRIVATE
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# Work around sys/xattr.h not declaring this
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-DXATTR_NAME_CAPS="\"security.capability\""
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)
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target_link_libraries(cap PRIVATE
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sapi::base
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)
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