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https://github.com/curl/curl.git
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cmake: improve usability of CMake build as a sub-project
- Renames `uninstall` -> `curl_uninstall` - Ensures all export rules are guarded by CURL_ENABLE_EXPORT_TARGET Closes #9638
This commit is contained in:
Jeremy Maitin-Shepard
Daniel Stenberg
parent
2e69df0a26
commit
8698825106
@ -39,6 +39,27 @@
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# To check:
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# (From Daniel Stenberg) The cmake build selected to run gcc with -fPIC on my box while the plain configure script did not.
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# (From Daniel Stenberg) The gcc command line use neither -g nor any -O options. As a developer, I also treasure our configure scripts's --enable-debug option that sets a long range of "picky" compiler options.
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# Note: By default this CMake build script detects the version of some
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# dependencies using `check_symbol_exists`. Those checks do not work
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# in the case that both CURL and its dependency are included as
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# sub-projects in a larger build using `FetchContent`. To support
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# that case, additional variables may be defined by the parent
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# project, ideally in the "extra" find package redirect file:
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# https://cmake.org/cmake/help/latest/module/FetchContent.html#integrating-with-find-package
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#
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# The following variables are available:
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# HAVE_RAND_EGD: `RAND_egd` present in OpenSSL
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# HAVE_BORINGSSL: OpenSSL is BoringSSL
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# HAVE_PK11_CREATEMANAGEDGENERICOBJECTL: `PK11_CreateManagedGenericObject` present in NSS
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# HAVE_SSL_CTX_SET_QUIC_METHOD: `SSL_CTX_set_quic_method` present in OpenSSL
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# HAVE_QUICHE_CONN_SET_QLOG_FD: `quiche_conn_set_qlog_fd` present in QUICHE
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# HAVE_ZSTD_CREATEDSTREAM: `ZSTD_createDStream` present in Zstd
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#
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# For each of the above variables, if the variable is DEFINED (either
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# to ON or OFF), the symbol detection will be skipped. If the
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# variable is NOT DEFINED, the symbol detection will be performed.
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cmake_minimum_required(VERSION 3.2...3.16 FATAL_ERROR)
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set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake;${CMAKE_MODULE_PATH}")
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@ -440,8 +461,12 @@ if(CURL_USE_OPENSSL)
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endif()
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set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
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check_symbol_exists(RAND_egd "${CURL_INCLUDES}" HAVE_RAND_EGD)
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check_symbol_exists(OPENSSL_IS_BORINGSSL "openssl/base.h" HAVE_BORINGSSL)
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if(NOT DEFINED HAVE_RAND_EGD)
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check_symbol_exists(RAND_egd "${CURL_INCLUDES}" HAVE_RAND_EGD)
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endif()
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if(NOT DEFINED HAVE_BORINGSSL)
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check_symbol_exists(OPENSSL_IS_BORINGSSL "openssl/base.h" HAVE_BORINGSSL)
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endif()
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add_definitions(-DOPENSSL_SUPPRESS_DEPRECATED)
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endif()
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@ -476,11 +501,13 @@ if(CURL_USE_NSS)
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list(APPEND CURL_LIBS ${NSS_LIBRARIES})
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set(SSL_ENABLED ON)
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set(USE_NSS ON)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_INCLUDES ${NSS_INCLUDE_DIRS})
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set(CMAKE_REQUIRED_LIBRARIES ${NSS_LIBRARIES})
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check_symbol_exists(PK11_CreateManagedGenericObject "pk11pub.h" HAVE_PK11_CREATEMANAGEDGENERICOBJECT)
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cmake_pop_check_state()
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if(NOT DEFINED HAVE_PK11_CREATEMANAGEDGENERICOBJECT)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_INCLUDES ${NSS_INCLUDE_DIRS})
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set(CMAKE_REQUIRED_LIBRARIES ${NSS_LIBRARIES})
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check_symbol_exists(PK11_CreateManagedGenericObject "pk11pub.h" HAVE_PK11_CREATEMANAGEDGENERICOBJECT)
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cmake_pop_check_state()
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endif()
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endif()
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option(USE_NGHTTP2 "Use Nghttp2 library" OFF)
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@ -492,14 +519,16 @@ endif()
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function(CheckQuicSupportInOpenSSL)
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# Be sure that the OpenSSL library actually supports QUIC.
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cmake_push_check_state()
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set(CMAKE_REQUIRED_INCLUDES "${OPENSSL_INCLUDE_DIR}")
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set(CMAKE_REQUIRED_LIBRARIES "${OPENSSL_LIBRARIES}")
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check_symbol_exists(SSL_CTX_set_quic_method "openssl/ssl.h" HAVE_SSL_CTX_SET_QUIC_METHOD)
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if(NOT DEFINED HAVE_SSL_CTX_SET_QUIC_METHOD)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_INCLUDES "${OPENSSL_INCLUDE_DIR}")
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set(CMAKE_REQUIRED_LIBRARIES "${OPENSSL_LIBRARIES}")
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check_symbol_exists(SSL_CTX_set_quic_method "openssl/ssl.h" HAVE_SSL_CTX_SET_QUIC_METHOD)
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cmake_pop_check_state()
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endif()
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if(NOT HAVE_SSL_CTX_SET_QUIC_METHOD)
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message(FATAL_ERROR "QUIC support is missing in OpenSSL/BoringSSL. Try setting -DOPENSSL_ROOT_DIR")
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endif()
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cmake_pop_check_state()
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endfunction()
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option(USE_NGTCP2 "Use ngtcp2 and nghttp3 libraries for HTTP/3 support" OFF)
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@ -537,11 +566,13 @@ if(USE_QUICHE)
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set(USE_QUICHE ON)
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include_directories(${QUICHE_INCLUDE_DIRS})
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list(APPEND CURL_LIBS ${QUICHE_LIBRARIES})
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cmake_push_check_state()
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set(CMAKE_REQUIRED_INCLUDES "${QUICHE_INCLUDE_DIRS}")
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set(CMAKE_REQUIRED_LIBRARIES "${QUICHE_LIBRARIES}")
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check_symbol_exists(quiche_conn_set_qlog_fd "quiche.h" HAVE_QUICHE_CONN_SET_QLOG_FD)
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cmake_pop_check_state()
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if(NOT DEFINED HAVE_QUICHE_CONN_SET_QLOG_FD)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_INCLUDES "${QUICHE_INCLUDE_DIRS}")
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set(CMAKE_REQUIRED_LIBRARIES "${QUICHE_LIBRARIES}")
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check_symbol_exists(quiche_conn_set_qlog_fd "quiche.h" HAVE_QUICHE_CONN_SET_QLOG_FD)
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cmake_pop_check_state()
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endif()
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endif()
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option(USE_MSH3 "Use msquic library for HTTP/3 support" OFF)
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@ -712,11 +743,13 @@ option(CURL_ZSTD "Set to ON to enable building curl with zstd support." OFF)
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set(HAVE_ZSTD OFF)
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if(CURL_ZSTD)
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find_package(Zstd REQUIRED)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_INCLUDES ${Zstd_INCLUDE_DIRS})
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set(CMAKE_REQUIRED_LIBRARIES ${Zstd_LIBRARIES})
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check_symbol_exists(ZSTD_createDStream "zstd.h" HAVE_ZSTD_CREATEDSTREAM)
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cmake_pop_check_state()
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if (NOT DEFINED HAVE_ZSTD_CREATEDSTREAM)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_INCLUDES ${Zstd_INCLUDE_DIRS})
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set(CMAKE_REQUIRED_LIBRARIES ${Zstd_LIBRARIES})
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check_symbol_exists(ZSTD_createDStream "zstd.h" HAVE_ZSTD_CREATEDSTREAM)
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cmake_pop_check_state()
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endif()
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if(Zstd_FOUND AND HAVE_ZSTD_CREATEDSTREAM)
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set(HAVE_ZSTD ON)
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list(APPEND CURL_LIBS ${Zstd_LIBRARIES})
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@ -805,14 +838,15 @@ if(CURL_USE_GSSAPI)
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set(_LINKER_FLAGS_STR "${_LINKER_FLAGS_STR} -L\"${_dir}\"")
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endforeach()
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set(CMAKE_REQUIRED_FLAGS "${_COMPILER_FLAGS_STR} ${_LINKER_FLAGS_STR}")
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set(CMAKE_REQUIRED_LIBRARIES ${GSS_LIBRARIES})
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check_symbol_exists("GSS_C_NT_HOSTBASED_SERVICE" ${_INCLUDE_LIST} HAVE_GSS_C_NT_HOSTBASED_SERVICE)
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if(NOT DEFINED HAVE_GSS_C_NT_HOSTBASED_SERVICE)
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set(CMAKE_REQUIRED_FLAGS "${_COMPILER_FLAGS_STR} ${_LINKER_FLAGS_STR}")
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set(CMAKE_REQUIRED_LIBRARIES ${GSS_LIBRARIES})
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check_symbol_exists("GSS_C_NT_HOSTBASED_SERVICE" ${_INCLUDE_LIST} HAVE_GSS_C_NT_HOSTBASED_SERVICE)
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unset(CMAKE_REQUIRED_LIBRARIES)
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endif()
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if(NOT HAVE_GSS_C_NT_HOSTBASED_SERVICE)
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set(HAVE_OLD_GSSMIT ON)
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endif()
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unset(CMAKE_REQUIRED_LIBRARIES)
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endif()
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include_directories(${GSS_INCLUDE_DIR})
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@ -1607,13 +1641,13 @@ if(MSVC_VERSION EQUAL 1600)
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endif()
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endif()
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if(NOT TARGET uninstall)
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if(NOT TARGET curl_uninstall)
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/CMake/cmake_uninstall.cmake.in
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${CMAKE_CURRENT_BINARY_DIR}/CMake/cmake_uninstall.cmake
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IMMEDIATE @ONLY)
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add_custom_target(uninstall
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add_custom_target(curl_uninstall
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COMMAND ${CMAKE_COMMAND} -P
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${CMAKE_CURRENT_BINARY_DIR}/CMake/cmake_uninstall.cmake)
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endif()
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@ -132,14 +132,16 @@ target_include_directories(${LIB_NAME} INTERFACE
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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$<BUILD_INTERFACE:${CURL_SOURCE_DIR}/include>)
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install(TARGETS ${LIB_NAME}
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EXPORT ${TARGETS_EXPORT_NAME}
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
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)
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if(CURL_ENABLE_EXPORT_TARGET)
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install(TARGETS ${LIB_NAME}
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EXPORT ${TARGETS_EXPORT_NAME}
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
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)
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export(TARGETS ${LIB_NAME}
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FILE ${PROJECT_BINARY_DIR}/libcurl-target.cmake
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NAMESPACE ${PROJECT_NAME}::
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)
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export(TARGETS ${LIB_NAME}
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FILE ${PROJECT_BINARY_DIR}/libcurl-target.cmake
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NAMESPACE ${PROJECT_NAME}::
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)
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endif()
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