52 lines
1.6 KiB
CMake
52 lines
1.6 KiB
CMake
#
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# This file is open source software, licensed to you under the terms
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# of the Apache License, Version 2.0 (the "License"). See the NOTICE file
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# distributed with this work for additional information regarding copyright
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# ownership. You may not use this file except in compliance with the License.
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#
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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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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#
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# Copyright (C) 2023 Scylladb, Ltd.
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#
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# Try to compile without the library first.
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include (CheckFunctionExists)
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check_function_exists (getcontext
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ucontext_NO_EXPLICIT_LINK)
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if (ucontext_NO_EXPLICIT_LINK)
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set (ucontext_FOUND yes)
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else ()
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# The `libucontext` library is required.
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find_package (PkgConfig QUIET REQUIRED)
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pkg_check_modules (PC_ucontext QUIET ucontext)
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find_library (ucontext_LIBRARY
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NAMES ucontext
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HINTS
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${PC_ucontext_LIBDIR}
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${PC_ucontext_LIBRARY_DIRS})
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mark_as_advanced (ucontext_LIBRARY)
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include (FindPackageHandleStandardArgs)
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find_package_handle_standard_args (ucontext
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REQUIRED_VARS ucontext_LIBRARY)
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endif ()
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if (ucontext_FOUND AND NOT (TARGET ucontext::ucontext))
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add_library (ucontext::ucontext INTERFACE IMPORTED)
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set_target_properties (ucontext::ucontext
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PROPERTIES
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INTERFACE_LINK_LIBRARIES "${ucontext_LIBRARY}")
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endif ()
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