fb1883d226
Make the Find modules set and return their respective `pkg-config`
module name(s) to the CMake build process, which then adds those
to the `Requires:` list.
Before this patch, `pkg-config` module names were maintainted in two
separate places. After this patch, they are maintained in the Find
modules for dependencies that have one (most do).
Re-align existing modules with this change: msh3, mbedtls, rustls.
These modules return their `pkg-config` module name only when
detected via `pkg-config`.
Follow-up to d511ec8b0a #15573
Closes #15800
115 lines
4.4 KiB
CMake
115 lines
4.4 KiB
CMake
#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at https://curl.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# SPDX-License-Identifier: curl
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#
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###########################################################################
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# Find the mbedTLS library
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#
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# Input variables:
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#
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# - `MBEDTLS_INCLUDE_DIR`: The mbedTLS include directory.
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# - `MBEDTLS_LIBRARY`: Path to `mbedtls` library.
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# - `MBEDX509_LIBRARY`: Path to `mbedx509` library.
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# - `MBEDCRYPTO_LIBRARY`: Path to `mbedcrypto` library.
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#
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# Result variables:
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#
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# - `MBEDTLS_FOUND`: System has mbedTLS.
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# - `MBEDTLS_INCLUDE_DIRS`: The mbedTLS include directories.
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# - `MBEDTLS_LIBRARIES`: The mbedTLS library names.
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# - `MBEDTLS_LIBRARY_DIRS`: The mbedTLS library directories.
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# - `MBEDTLS_PC_REQUIRES`: The mbedTLS pkg-config packages.
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# - `MBEDTLS_CFLAGS`: Required compiler flags.
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# - `MBEDTLS_VERSION`: Version of mbedTLS.
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if(DEFINED MBEDTLS_INCLUDE_DIRS AND NOT DEFINED MBEDTLS_INCLUDE_DIR)
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message(WARNING "MBEDTLS_INCLUDE_DIRS is deprecated, use MBEDTLS_INCLUDE_DIR instead.")
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set(MBEDTLS_INCLUDE_DIR "${MBEDTLS_INCLUDE_DIRS}")
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unset(MBEDTLS_INCLUDE_DIRS)
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endif()
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set(MBEDTLS_PC_REQUIRES "mbedtls")
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if(CURL_USE_PKGCONFIG AND
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NOT DEFINED MBEDTLS_INCLUDE_DIR AND
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NOT DEFINED MBEDTLS_LIBRARY AND
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NOT DEFINED MBEDX509_LIBRARY AND
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NOT DEFINED MBEDCRYPTO_LIBRARY)
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find_package(PkgConfig QUIET)
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pkg_check_modules(MBEDTLS ${MBEDTLS_PC_REQUIRES})
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pkg_check_modules(MBEDX509 "mbedx509")
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pkg_check_modules(MBEDCRYPTO "mbedcrypto")
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endif()
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if(MBEDTLS_FOUND AND MBEDX509_FOUND AND MBEDCRYPTO_FOUND)
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list(APPEND MBEDTLS_LIBRARIES ${MBEDX509_LIBRARIES} ${MBEDCRYPTO_LIBRARIES})
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list(REVERSE MBEDTLS_LIBRARIES)
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list(REMOVE_DUPLICATES MBEDTLS_LIBRARIES)
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list(REVERSE MBEDTLS_LIBRARIES)
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string(REPLACE ";" " " MBEDTLS_CFLAGS "${MBEDTLS_CFLAGS}")
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message(STATUS "Found MbedTLS (via pkg-config): ${MBEDTLS_INCLUDE_DIRS} (found version \"${MBEDTLS_VERSION}\")")
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else()
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set(MBEDTLS_PC_REQUIRES "") # Depend on pkg-config only when found via pkg-config
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find_path(MBEDTLS_INCLUDE_DIR NAMES "mbedtls/ssl.h")
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find_library(MBEDTLS_LIBRARY NAMES "mbedtls" "libmbedtls")
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find_library(MBEDX509_LIBRARY NAMES "mbedx509" "libmbedx509")
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find_library(MBEDCRYPTO_LIBRARY NAMES "mbedcrypto" "libmbedcrypto")
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unset(MBEDTLS_VERSION CACHE)
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if(MBEDTLS_INCLUDE_DIR)
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if(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h") # 3.x
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set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h")
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elseif(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h") # 2.x
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set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h")
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else()
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unset(_version_header)
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endif()
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if(_version_header)
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set(_version_regex "#[\t ]*define[\t ]+MBEDTLS_VERSION_STRING[\t ]+\"([0-9.]+)\"")
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file(STRINGS "${_version_header}" _version_str REGEX "${_version_regex}")
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string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}")
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set(MBEDTLS_VERSION "${_version_str}")
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unset(_version_regex)
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unset(_version_str)
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unset(_version_header)
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endif()
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(MbedTLS
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REQUIRED_VARS
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MBEDTLS_INCLUDE_DIR
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MBEDTLS_LIBRARY
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MBEDX509_LIBRARY
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MBEDCRYPTO_LIBRARY
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VERSION_VAR
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MBEDTLS_VERSION
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)
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if(MBEDTLS_FOUND)
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set(MBEDTLS_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR})
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set(MBEDTLS_LIBRARIES ${MBEDTLS_LIBRARY} ${MBEDX509_LIBRARY} ${MBEDCRYPTO_LIBRARY})
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endif()
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mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARY MBEDX509_LIBRARY MBEDCRYPTO_LIBRARY)
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endif()
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