FindCURL: detect version number also for older versions
Older versions of cURL do not have a curlver.h, but have the version define directly in curl.h.
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@ -34,11 +34,16 @@ FIND_LIBRARY(CURL_LIBRARY NAMES
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)
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MARK_AS_ADVANCED(CURL_LIBRARY)
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IF(CURL_INCLUDE_DIR AND EXISTS "${CURL_INCLUDE_DIR}/curl/curlver.h")
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FILE(STRINGS "${CURL_INCLUDE_DIR}/curl/curlver.h" curl_version_str REGEX "^#define[\t ]+LIBCURL_VERSION[\t ]+\".*\"")
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IF(CURL_INCLUDE_DIR)
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FOREACH(_curl_version_header curlver.h curl.h)
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IF(EXISTS "${CURL_INCLUDE_DIR}/curl/${_curl_version_header}")
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FILE(STRINGS "${CURL_INCLUDE_DIR}/curl/${_curl_version_header}" curl_version_str REGEX "^#define[\t ]+LIBCURL_VERSION[\t ]+\".*\"")
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STRING(REGEX REPLACE "^#define[\t ]+LIBCURL_VERSION[\t ]+\"([^\"]*)\".*" "\\1" CURL_VERSION_STRING "${curl_version_str}")
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UNSET(curl_version_str)
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BREAK()
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ENDIF()
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ENDFOREACH(_curl_version_header)
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ENDIF()
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# handle the QUIETLY and REQUIRED arguments and set CURL_FOUND to TRUE if
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