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# Copyright The OpenTelemetry Authors
# SPDX-License-Identifier: Apache-2.0
# Import the curl target (CURL::libcurl).
# 1. Find an installed curl package
# 2. Use FetchContent to fetch and build curl from GitHub
# Find the curl package with the default search mode
find_package(CURL QUIET)
set(CURL_PROVIDER "find_package")
if(NOT CURL_FOUND)
FetchContent_Declare(
"curl"
GIT_REPOSITORY "https://github.com/curl/curl.git"
GIT_TAG "${curl_GIT_TAG}"
)
set(CURL_PROVIDER "fetch_repository")
if(OPENTELEMETRY_INSTALL)
set(_CURL_DISABLE_INSTALL OFF)
else()
set(_CURL_DISABLE_INSTALL ON)
endif()
if(DEFINED BUILD_SHARED_LIBS)
set(_SAVED_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
endif()
set(CURL_DISABLE_INSTALL ${_CURL_DISABLE_INSTALL} CACHE BOOL "" FORCE)
set(CURL_USE_LIBPSL OFF CACHE BOOL "" FORCE)
set(BUILD_CURL_EXE OFF CACHE BOOL "" FORCE)
set(BUILD_LIBCURL_DOCS OFF CACHE BOOL "" FORCE)
set(BUILD_MISC_DOCS OFF CACHE BOOL "" FORCE)
set(ENABLE_CURL_MANUAL OFF CACHE BOOL "" FORCE)
set(BUILD_SHARED_LIBS ON CACHE BOOL "" FORCE)
FetchContent_MakeAvailable(curl)
# Restore BUILD_SHARED_LIBS
if(DEFINED _SAVED_BUILD_SHARED_LIBS)
set(BUILD_SHARED_LIBS ${_SAVED_BUILD_SHARED_LIBS} CACHE BOOL "" FORCE)
else()
unset(BUILD_SHARED_LIBS CACHE)
endif()
# Set the CURL_VERSION variable from the git tag.
string(REGEX REPLACE "^curl-([0-9]+)_([0-9]+)_([0-9]+)$" "\\1.\\2.\\3" CURL_VERSION "${curl_GIT_TAG}")
# disable iwyu and clang-tidy
foreach(_curl_target libcurl_shared libcurl_static)
if(TARGET ${_curl_target})
set_target_properties(${_curl_target} PROPERTIES CXX_INCLUDE_WHAT_YOU_USE ""
CXX_CLANG_TIDY "")
endif()
endforeach()
endif()
# Set the CURL_VERSION from the legacy CURL_VERSION_STRING Required for CMake
# versions below 4.0
if(NOT CURL_VERSION AND CURL_VERSION_STRING)
set(CURL_VERSION ${CURL_VERSION_STRING})
endif()
# Add the main CURL::libcurl alias target if missing. Prefer the shared target followed by the static target
if(NOT TARGET CURL::libcurl)
if(TARGET libcurl_shared)
add_library(CURL::libcurl ALIAS libcurl_shared)
elseif(TARGET libcurl_static)
add_library(CURL::libcurl ALIAS libcurl_static)
endif()
endif()
if(NOT TARGET CURL::libcurl)
message(FATAL_ERROR "The required curl target (CURL::libcurl) was not imported.")
endif()
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