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cmake: sync CA bundle/path detection with autotools
- skip the entire CA logic if no selected TLS backend support CA
certs/bundles.
Follow-up to 082bb41311 #2545
- sync bundle path detection logic with `./configure`.
- fix to not auto-detect CA bundle/path on Windows.
- fix to reflect that BearSSL has CA bundle support.
- show the detected bundle path (as with the cert bundle).
- tidy up CMake syntax, fix typos in comments.
Closes #14182
This commit is contained in:
Viktor Szakats
parent
d3595c74fa
commit
d2ef6255f4
132
CMakeLists.txt
132
CMakeLists.txt
@ -487,6 +487,7 @@ if(CURL_USE_OPENSSL)
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if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "openssl")
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set(valid_default_ssl_backend TRUE)
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endif()
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set(curl_ca_bundle_supported TRUE)
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set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
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if(NOT DEFINED HAVE_BORINGSSL)
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@ -508,6 +509,7 @@ if(CURL_USE_MBEDTLS)
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if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "mbedtls")
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set(valid_default_ssl_backend TRUE)
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endif()
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set(curl_ca_bundle_supported TRUE)
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endif()
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if(CURL_USE_BEARSSL)
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@ -520,6 +522,7 @@ if(CURL_USE_BEARSSL)
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if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "bearssl")
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set(valid_default_ssl_backend TRUE)
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endif()
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set(curl_ca_bundle_supported TRUE)
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endif()
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if(CURL_USE_WOLFSSL)
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@ -533,6 +536,7 @@ if(CURL_USE_WOLFSSL)
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if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "wolfssl")
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set(valid_default_ssl_backend TRUE)
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endif()
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set(curl_ca_bundle_supported TRUE)
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endif()
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if(CURL_USE_GNUTLS)
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@ -546,6 +550,7 @@ if(CURL_USE_GNUTLS)
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if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "gnutls")
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set(valid_default_ssl_backend TRUE)
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endif()
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set(curl_ca_bundle_supported TRUE)
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if(NOT DEFINED HAVE_GNUTLS_SRP AND NOT CURL_DISABLE_SRP)
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cmake_push_check_state()
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@ -1102,88 +1107,81 @@ else()
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unset(USE_UNIX_SOCKETS CACHE)
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endif()
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#
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# CA handling
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#
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set(CURL_CA_BUNDLE "auto" CACHE STRING
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"Path to the CA bundle. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
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set(CURL_CA_FALLBACK OFF CACHE BOOL
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"Set ON to use built-in CA store of TLS backend. Defaults to OFF")
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set(CURL_CA_PATH "auto" CACHE STRING
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"Location of default CA path. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
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if(curl_ca_bundle_supported)
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set(CURL_CA_BUNDLE "auto" CACHE STRING
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"Path to the CA bundle. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
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set(CURL_CA_FALLBACK OFF CACHE BOOL
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"Set ON to use built-in CA store of TLS backend. Defaults to OFF")
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set(CURL_CA_PATH "auto" CACHE STRING
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"Location of default CA path. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
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if("${CURL_CA_BUNDLE}" STREQUAL "")
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message(FATAL_ERROR "Invalid value of CURL_CA_BUNDLE. Use 'none', 'auto' or file path.")
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elseif("${CURL_CA_BUNDLE}" STREQUAL "none")
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unset(CURL_CA_BUNDLE CACHE)
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elseif("${CURL_CA_BUNDLE}" STREQUAL "auto")
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unset(CURL_CA_BUNDLE CACHE)
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if(NOT CMAKE_CROSSCOMPILING)
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set(CURL_CA_BUNDLE_AUTODETECT TRUE)
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if(CURL_CA_BUNDLE STREQUAL "")
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message(FATAL_ERROR "Invalid value of CURL_CA_BUNDLE. Use 'none', 'auto' or file path.")
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elseif(CURL_CA_BUNDLE STREQUAL "none")
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unset(CURL_CA_BUNDLE CACHE)
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elseif(CURL_CA_BUNDLE STREQUAL "auto")
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unset(CURL_CA_BUNDLE CACHE)
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if(NOT CMAKE_CROSSCOMPILING AND NOT WIN32)
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set(CURL_CA_BUNDLE_AUTODETECT TRUE)
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endif()
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else()
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set(CURL_CA_BUNDLE_SET TRUE)
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endif()
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else()
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set(CURL_CA_BUNDLE_SET TRUE)
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endif()
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if("${CURL_CA_PATH}" STREQUAL "")
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message(FATAL_ERROR "Invalid value of CURL_CA_PATH. Use 'none', 'auto' or directory path.")
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elseif("${CURL_CA_PATH}" STREQUAL "none")
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unset(CURL_CA_PATH CACHE)
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elseif("${CURL_CA_PATH}" STREQUAL "auto")
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unset(CURL_CA_PATH CACHE)
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if(NOT CMAKE_CROSSCOMPILING)
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set(CURL_CA_PATH_AUTODETECT TRUE)
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if(CURL_CA_PATH STREQUAL "")
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message(FATAL_ERROR "Invalid value of CURL_CA_PATH. Use 'none', 'auto' or directory path.")
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elseif(CURL_CA_PATH STREQUAL "none")
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unset(CURL_CA_PATH CACHE)
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elseif(CURL_CA_PATH STREQUAL "auto")
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unset(CURL_CA_PATH CACHE)
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if(NOT CMAKE_CROSSCOMPILING AND NOT WIN32)
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set(CURL_CA_PATH_AUTODETECT TRUE)
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endif()
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else()
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set(CURL_CA_PATH_SET TRUE)
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endif()
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else()
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set(CURL_CA_PATH_SET TRUE)
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endif()
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if(CURL_CA_BUNDLE_SET AND CURL_CA_PATH_AUTODETECT)
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# Skip autodetection of unset CA path because CA bundle is set explicitly
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elseif(CURL_CA_PATH_SET AND CURL_CA_BUNDLE_AUTODETECT)
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# Skip autodetection of unset CA bundle because CA path is set explicitly
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elseif(CURL_CA_PATH_AUTODETECT OR CURL_CA_BUNDLE_AUTODETECT)
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# first try autodetecting a CA bundle, then a CA path
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if(CURL_CA_BUNDLE_SET AND CURL_CA_PATH_AUTODETECT)
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# Skip auto-detection of unset CA path because CA bundle is set explicitly
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elseif(CURL_CA_PATH_SET AND CURL_CA_BUNDLE_AUTODETECT)
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# Skip auto-detection of unset CA bundle because CA path is set explicitly
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elseif(CURL_CA_BUNDLE_AUTODETECT OR CURL_CA_PATH_AUTODETECT)
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# First try auto-detecting a CA bundle, then a CA path
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if(CURL_CA_BUNDLE_AUTODETECT)
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set(SEARCH_CA_BUNDLE_PATHS
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/etc/ssl/certs/ca-certificates.crt
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/etc/pki/tls/certs/ca-bundle.crt
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/usr/share/ssl/certs/ca-bundle.crt
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/usr/local/share/certs/ca-root-nss.crt
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/etc/ssl/cert.pem)
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if(CURL_CA_BUNDLE_AUTODETECT)
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foreach(SEARCH_CA_BUNDLE_PATH IN ITEMS
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"/etc/ssl/certs/ca-certificates.crt"
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"/etc/pki/tls/certs/ca-bundle.crt"
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"/usr/share/ssl/certs/ca-bundle.crt"
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"/usr/local/share/certs/ca-root-nss.crt"
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"/etc/ssl/cert.pem")
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if(EXISTS "${SEARCH_CA_BUNDLE_PATH}")
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message(STATUS "Found CA bundle: ${SEARCH_CA_BUNDLE_PATH}")
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set(CURL_CA_BUNDLE "${SEARCH_CA_BUNDLE_PATH}" CACHE STRING
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"Path to the CA bundle. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
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set(CURL_CA_BUNDLE_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
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break()
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endif()
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endforeach()
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endif()
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foreach(SEARCH_CA_BUNDLE_PATH ${SEARCH_CA_BUNDLE_PATHS})
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if(EXISTS "${SEARCH_CA_BUNDLE_PATH}")
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message(STATUS "Found CA bundle: ${SEARCH_CA_BUNDLE_PATH}")
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set(CURL_CA_BUNDLE "${SEARCH_CA_BUNDLE_PATH}" CACHE STRING
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"Path to the CA bundle. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
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set(CURL_CA_BUNDLE_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
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break()
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if(CURL_CA_PATH_AUTODETECT AND NOT CURL_CA_PATH_SET)
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set(SEARCH_CA_PATH "/etc/ssl/certs")
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file(GLOB curl_ca_files_found "${SEARCH_CA_PATH}/[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f].0")
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if(curl_ca_files_found)
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unset(curl_ca_files_found)
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message(STATUS "Found CA path: ${SEARCH_CA_PATH}")
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set(CURL_CA_PATH "${SEARCH_CA_PATH}" CACHE STRING
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"Location of default CA path. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
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set(CURL_CA_PATH_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
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endif()
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endforeach()
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endif()
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if(CURL_CA_PATH_AUTODETECT AND (NOT CURL_CA_PATH_SET))
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if(EXISTS "/etc/ssl/certs")
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set(CURL_CA_PATH "/etc/ssl/certs" CACHE STRING
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"Location of default CA path. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
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set(CURL_CA_PATH_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
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endif()
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endif()
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endif()
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if(CURL_CA_PATH_SET AND
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NOT USE_OPENSSL AND
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NOT USE_WOLFSSL AND
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NOT USE_GNUTLS AND
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NOT USE_MBEDTLS)
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message(STATUS
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"CA path only supported by OpenSSL, wolfSSL, GnuTLS or mbedTLS. "
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"Set CURL_CA_PATH=none or enable one of those TLS backends.")
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endif()
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# Check for header files
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if(WIN32)
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set(CURL_INCLUDES ${CURL_INCLUDES} "winsock2.h")
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