| 1 | #***************************************************************************
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| 2 | # _ _ ____ _
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| 3 | # Project ___| | | | _ \| |
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| 4 | # / __| | | | |_) | |
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| 5 | # | (__| |_| | _ <| |___
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| 6 | # \___|\___/|_| \_\_____|
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| 7 | #
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| 8 | # Copyright (C) Daniel Stenberg, <[email protected]>, et al.
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| 9 | #
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| 10 | # This software is licensed as described in the file COPYING, which
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| 11 | # you should have received as part of this distribution. The terms
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| 12 | # are also available at https://curl.se/docs/copyright.html.
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| 13 | #
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| 14 | # You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 15 | # copies of the Software, and permit persons to whom the Software is
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| 16 | # furnished to do so, under the terms of the COPYING file.
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| 17 | #
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| 18 | # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 19 | # KIND, either express or implied.
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| 20 | #
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| 21 | # SPDX-License-Identifier: curl
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| 22 | #
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| 23 | ###########################################################################
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| 24 | set(LIB_NAME libcurl)
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| 25 | set(LIBCURL_OUTPUT_NAME libcurl CACHE STRING "Basename of the curl library")
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| 26 | add_definitions(-DBUILDING_LIBCURL)
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| 27 |
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| 28 | configure_file(curl_config.h.cmake
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| 29 | ${CMAKE_CURRENT_BINARY_DIR}/curl_config.h)
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| 30 |
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| 31 | transform_makefile_inc("Makefile.inc" "${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake")
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| 32 | include(${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake)
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| 33 |
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| 34 | list(APPEND HHEADERS
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| 35 | ${CMAKE_CURRENT_BINARY_DIR}/curl_config.h
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| 36 | )
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| 37 |
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| 38 | # The rest of the build
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| 39 |
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| 40 | include_directories(${CMAKE_CURRENT_BINARY_DIR}/../include)
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| 41 | include_directories(${CMAKE_CURRENT_SOURCE_DIR}/..)
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| 42 | include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../include)
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| 43 | include_directories(${CMAKE_CURRENT_BINARY_DIR}/..)
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| 44 | include_directories(${CMAKE_CURRENT_SOURCE_DIR})
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| 45 | include_directories(${CMAKE_CURRENT_BINARY_DIR})
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| 46 | if(USE_ARES)
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| 47 | include_directories(${CARES_INCLUDE_DIR})
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| 48 | endif()
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| 49 |
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| 50 | if(BUILD_TESTING)
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| 51 | add_library(
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| 52 | curlu # special libcurlu library just for unittests
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| 53 | STATIC
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| 54 | EXCLUDE_FROM_ALL
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| 55 | ${HHEADERS} ${CSOURCES}
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| 56 | )
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| 57 | target_compile_definitions(curlu PUBLIC UNITTESTS CURL_STATICLIB)
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| 58 | endif()
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| 59 |
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| 60 | if(ENABLE_CURLDEBUG)
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| 61 | # We must compile these sources separately to avoid memdebug.h redefinitions
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| 62 | # applying to them.
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| 63 | set_source_files_properties(memdebug.c curl_multibyte.c PROPERTIES SKIP_UNITY_BUILD_INCLUSION ON)
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| 64 | endif()
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| 65 |
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| 66 | if(BUILD_TESTING)
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| 67 | target_link_libraries(curlu PRIVATE ${CURL_LIBS})
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| 68 | endif()
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| 69 |
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| 70 | transform_makefile_inc("Makefile.soname" "${CMAKE_CURRENT_BINARY_DIR}/Makefile.soname.cmake")
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| 71 | include(${CMAKE_CURRENT_BINARY_DIR}/Makefile.soname.cmake)
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| 72 |
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| 73 | if(CMAKE_SYSTEM_NAME STREQUAL "AIX" OR
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| 74 | CMAKE_SYSTEM_NAME STREQUAL "Linux" OR
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| 75 | CMAKE_SYSTEM_NAME STREQUAL "Darwin" OR
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| 76 | CMAKE_SYSTEM_NAME STREQUAL "SunOS" OR
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| 77 | CMAKE_SYSTEM_NAME STREQUAL "GNU/kFreeBSD" OR
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| 78 |
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| 79 | # FreeBSD comes with the a.out and elf flavours
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| 80 | # but a.out was supported up to version 3.x and
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| 81 | # elf from 3.x. I cannot imagine someone running
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| 82 | # CMake on those ancient systems
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| 83 | CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR
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| 84 |
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| 85 | CMAKE_SYSTEM_NAME STREQUAL "Haiku")
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| 86 |
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| 87 | math(EXPR CMAKESONAME "${VERSIONCHANGE} - ${VERSIONDEL}")
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| 88 | set(CMAKEVERSION "${CMAKESONAME}.${VERSIONDEL}.${VERSIONADD}")
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| 89 | else()
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| 90 | unset(CMAKESONAME)
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| 91 | endif()
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| 92 |
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| 93 | ## Library definition
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| 94 |
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| 95 | # Add "_imp" as a suffix before the extension to avoid conflicting with
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| 96 | # the statically linked "libcurl.lib" (typically with MSVC)
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| 97 | if(WIN32 AND
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| 98 | NOT IMPORT_LIB_SUFFIX AND
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| 99 | CMAKE_STATIC_LIBRARY_SUFFIX STREQUAL CMAKE_IMPORT_LIBRARY_SUFFIX)
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| 100 | set(IMPORT_LIB_SUFFIX "_imp")
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| 101 | endif()
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| 102 |
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| 103 | # Whether to do a single compilation pass for libcurl sources and reuse these
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| 104 | # objects to generate both static and shared target.
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| 105 | if(NOT DEFINED SHARE_LIB_OBJECT)
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| 106 | # Enable it by default on platforms where PIC is the default for both shared
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| 107 | # and static and there is a way to tell the linker which libcurl symbols it
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| 108 | # should export (vs. marking these symbols exportable at compile-time).
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| 109 | if(WIN32)
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| 110 | set(SHARE_LIB_OBJECT ON)
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| 111 | else()
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| 112 | # On other platforms, make it an option disabled by default
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| 113 | set(SHARE_LIB_OBJECT OFF)
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| 114 | endif()
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| 115 | endif()
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| 116 |
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| 117 | if(WIN32)
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| 118 | # Define CURL_STATICLIB always, to disable __declspec(dllexport) for exported
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| 119 | # libcurl symbols. We handle exports via libcurl.def instead. Except with
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| 120 | # symbol hiding disabled or debug mode enabled, when we export _all_ symbols
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| 121 | # from libcurl DLL, without using libcurl.def.
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| 122 | add_definitions("-DCURL_STATICLIB")
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| 123 | endif()
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| 124 |
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| 125 | if(SHARE_LIB_OBJECT)
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| 126 | set(LIB_OBJECT "libcurl_object")
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| 127 | add_library(${LIB_OBJECT} OBJECT ${HHEADERS} ${CSOURCES})
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| 128 | target_link_libraries(${LIB_OBJECT} PRIVATE ${CURL_LIBS})
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| 129 | set_target_properties(${LIB_OBJECT} PROPERTIES
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| 130 | POSITION_INDEPENDENT_CODE ON)
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| 131 | if(HIDES_CURL_PRIVATE_SYMBOLS)
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| 132 | set_property(TARGET ${LIB_OBJECT} APPEND PROPERTY COMPILE_FLAGS "${CURL_CFLAG_SYMBOLS_HIDE}")
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| 133 | set_property(TARGET ${LIB_OBJECT} APPEND PROPERTY COMPILE_DEFINITIONS "CURL_HIDDEN_SYMBOLS")
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| 134 | endif()
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| 135 | if(CURL_HAS_LTO)
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| 136 | set_target_properties(${LIB_OBJECT} PROPERTIES
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| 137 | INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE
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| 138 | INTERPROCEDURAL_OPTIMIZATION_RELWITHDEBINFO TRUE)
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| 139 | endif()
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| 140 |
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| 141 | target_include_directories(${LIB_OBJECT} INTERFACE
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| 142 | $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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| 143 | $<BUILD_INTERFACE:${CURL_SOURCE_DIR}/include>)
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| 144 |
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| 145 | set(LIB_SOURCE $<TARGET_OBJECTS:${LIB_OBJECT}>)
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| 146 | else()
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| 147 | set(LIB_SOURCE ${HHEADERS} ${CSOURCES})
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| 148 | endif()
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| 149 |
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| 150 | # we want it to be called libcurl on all platforms
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| 151 | if(BUILD_STATIC_LIBS)
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| 152 | list(APPEND libcurl_export ${LIB_STATIC})
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| 153 | add_library(${LIB_STATIC} STATIC ${LIB_SOURCE})
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| 154 | add_library(${PROJECT_NAME}::${LIB_STATIC} ALIAS ${LIB_STATIC})
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| 155 | target_link_libraries(${LIB_STATIC} PRIVATE ${CURL_LIBS})
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| 156 | # Remove the "lib" prefix since the library is already named "libcurl".
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| 157 | set_target_properties(${LIB_STATIC} PROPERTIES
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| 158 | PREFIX "" OUTPUT_NAME "${LIBCURL_OUTPUT_NAME}"
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| 159 | SUFFIX "${STATIC_LIB_SUFFIX}${CMAKE_STATIC_LIBRARY_SUFFIX}"
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| 160 | INTERFACE_COMPILE_DEFINITIONS "CURL_STATICLIB")
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| 161 | if(HIDES_CURL_PRIVATE_SYMBOLS)
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| 162 | set_property(TARGET ${LIB_STATIC} APPEND PROPERTY COMPILE_FLAGS "${CURL_CFLAG_SYMBOLS_HIDE}")
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| 163 | set_property(TARGET ${LIB_STATIC} APPEND PROPERTY COMPILE_DEFINITIONS "CURL_HIDDEN_SYMBOLS")
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| 164 | endif()
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| 165 | if(CURL_HAS_LTO)
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| 166 | set_target_properties(${LIB_STATIC} PROPERTIES
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| 167 | INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE
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| 168 | INTERPROCEDURAL_OPTIMIZATION_RELWITHDEBINFO TRUE)
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| 169 | endif()
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| 170 | if(CMAKEVERSION AND CMAKESONAME)
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| 171 | set_target_properties(${LIB_STATIC} PROPERTIES
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| 172 | VERSION ${CMAKEVERSION} SOVERSION ${CMAKESONAME})
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| 173 | endif()
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| 174 |
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| 175 | target_include_directories(${LIB_STATIC} INTERFACE
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| 176 | $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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| 177 | $<BUILD_INTERFACE:${CURL_SOURCE_DIR}/include>)
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| 178 | endif()
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| 179 |
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| 180 | if(BUILD_SHARED_LIBS)
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| 181 | list(APPEND libcurl_export ${LIB_SHARED})
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| 182 | add_library(${LIB_SHARED} SHARED ${LIB_SOURCE})
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| 183 | add_library(${PROJECT_NAME}::${LIB_SHARED} ALIAS ${LIB_SHARED})
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| 184 | if(WIN32)
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| 185 | set_property(TARGET ${LIB_SHARED} APPEND PROPERTY SOURCES libcurl.rc)
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| 186 | if(HIDES_CURL_PRIVATE_SYMBOLS)
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| 187 | set_property(TARGET ${LIB_SHARED} APPEND PROPERTY SOURCES "${CURL_SOURCE_DIR}/libcurl.def")
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| 188 | endif()
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| 189 | endif()
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| 190 | target_link_libraries(${LIB_SHARED} PRIVATE ${CURL_LIBS})
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| 191 | # Remove the "lib" prefix since the library is already named "libcurl".
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| 192 | set_target_properties(${LIB_SHARED} PROPERTIES
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| 193 | PREFIX "" OUTPUT_NAME "${LIBCURL_OUTPUT_NAME}"
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| 194 | IMPORT_PREFIX "" IMPORT_SUFFIX "${IMPORT_LIB_SUFFIX}${CMAKE_IMPORT_LIBRARY_SUFFIX}"
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| 195 | POSITION_INDEPENDENT_CODE ON)
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| 196 | if(HIDES_CURL_PRIVATE_SYMBOLS)
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| 197 | set_property(TARGET ${LIB_SHARED} APPEND PROPERTY COMPILE_FLAGS "${CURL_CFLAG_SYMBOLS_HIDE}")
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| 198 | set_property(TARGET ${LIB_SHARED} APPEND PROPERTY COMPILE_DEFINITIONS "CURL_HIDDEN_SYMBOLS")
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| 199 | endif()
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| 200 | if(CURL_HAS_LTO)
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| 201 | set_target_properties(${LIB_SHARED} PROPERTIES
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| 202 | INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE
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| 203 | INTERPROCEDURAL_OPTIMIZATION_RELWITHDEBINFO TRUE)
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| 204 | endif()
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| 205 | if(CMAKEVERSION AND CMAKESONAME)
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| 206 | set_target_properties(${LIB_SHARED} PROPERTIES
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| 207 | VERSION ${CMAKEVERSION} SOVERSION ${CMAKESONAME})
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| 208 | endif()
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| 209 |
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| 210 | target_include_directories(${LIB_SHARED} INTERFACE
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| 211 | $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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| 212 | $<BUILD_INTERFACE:${CURL_SOURCE_DIR}/include>)
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| 213 | endif()
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| 214 |
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| 215 | add_library(${LIB_NAME} ALIAS ${LIB_SELECTED})
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| 216 | add_library(${PROJECT_NAME}::${LIB_NAME} ALIAS ${LIB_SELECTED})
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| 217 |
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| 218 | if(CURL_ENABLE_EXPORT_TARGET)
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| 219 | if(BUILD_STATIC_LIBS)
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| 220 | install(TARGETS ${LIB_STATIC}
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| 221 | EXPORT ${TARGETS_EXPORT_NAME}
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| 222 | ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
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| 223 | LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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| 224 | RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
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| 225 | )
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| 226 | endif()
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| 227 | if(BUILD_SHARED_LIBS)
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| 228 | install(TARGETS ${LIB_SHARED}
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| 229 | EXPORT ${TARGETS_EXPORT_NAME}
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| 230 | ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
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| 231 | LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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| 232 | RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
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| 233 | )
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| 234 | endif()
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| 235 |
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| 236 | export(TARGETS ${libcurl_export}
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| 237 | FILE ${PROJECT_BINARY_DIR}/libcurl-target.cmake
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| 238 | NAMESPACE ${PROJECT_NAME}::
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| 239 | )
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| 240 | endif()
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