cmake: clear package version after pkg-config detection - #15409
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`pkg_check_modules()` seems to leave `<PACKAGE>_VERSION` defined with an empty value, if the package is not found. When the package is also not found in the fallback branch, `find_package_handle_standard_args()` logs and error message. In this message it includes the bogus empty value as: `(found version "")`: ``` Could NOT find Libssh2 (missing: LIBSSH2_INCLUDE_DIR LIBSSH2_LIBRARY) (found version "") ``` https://github.com/curl/curl/actions/runs/11509727553/job/32040378958?pr=15408#step:31:99 Clear the version number to avoid the confusion: ``` Could NOT find Libssh2 (missing: LIBSSH2_INCLUDE_DIR LIBSSH2_LIBRARY) ``` https://github.com/curl/curl/actions/runs/11510022503/job/32041149129?pr=15408#step:31:99 Seen with CMake v3.30.5 Follow-up to 7bab201 curl#15193
vszakats
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pkg-config detection
Though there is no pkg-config support for wolfSSH yet.
pps83
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Apr 26, 2025
`pkg_check_modules()` seems to leave `<PACKAGE>_VERSION` defined with an empty value, if the package is not found. When the package is also not found in the fallback branch, `find_package_handle_standard_args()` logs and error message. In this message it includes the bogus empty value as: `(found version "")`: ``` Could NOT find Libssh2 (missing: LIBSSH2_INCLUDE_DIR LIBSSH2_LIBRARY) (found version "") ``` https://github.com/curl/curl/actions/runs/11509727553/job/32040378958?pr=15408#step:31:99 Clear the version number to avoid the confusion: ``` Could NOT find Libssh2 (missing: LIBSSH2_INCLUDE_DIR LIBSSH2_LIBRARY) ``` https://github.com/curl/curl/actions/runs/11510022503/job/32041149129?pr=15408#step:31:99 Seen with CMake v3.30.5. Follow-up to 7bab201 curl#15193 Closes curl#15409
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pkg_check_modules()seems to leave<PACKAGE>_VERSIONdefined with anempty value, if the package is not found.
When the package is also not found in the fallback branch,
find_package_handle_standard_args()logs and error message. In thismessage it includes the bogus empty value as:
(found version ""):https://github.com/curl/curl/actions/runs/11509727553/job/32040378958?pr=15408#step:31:99
Clear the version number to avoid the confusion:
https://github.com/curl/curl/actions/runs/11510022503/job/32041149129?pr=15408#step:31:99
Seen with CMake v3.30.5.
Follow-up to 7bab201 #15193