To avoid a system include masking a custom directory, and e.g. picking
up system OpenSSL headers from `/usr/include` on Linux, instead of the
correct ones from a custom header directory, move system include
directories to the back of the header path list. Also to match what
CMake seems to be doing for the C compiler command-lines it generates.
CMake seems to use `-I`, while for these invocations we stick with
`-isystem` just in case.
This area remains fragile and likely not the final issue.
Fixing (seen in GHA/linux H3 c-ares):
```
Error while processing bld/tests/libtest/lib1521.c.
/usr/include/openssl/macros.h:147:4: error: "OPENSSL_API_COMPAT expresses an impossible API compatibility level" [clang-diagnostic-error]
Found compiler error(s).
147 | # error "OPENSSL_API_COMPAT expresses an impossible API compatibility level"
| ^
FAILED: [code=1] tests/libtest/CMakeFiles/libtests-clang-tidy
```
Ref: https://github.com/curl/curl/actions/runs/22468472670/job/65079885471?pr=20751
Bug: https://github.com/curl/curl/pull/20751#issuecomment-3970180687
Cherry-picked from #20751
Closes #20759
|
||
|---|---|---|
| .circleci | ||
| .github | ||
| CMake | ||
| docs | ||
| include | ||
| lib | ||
| LICENSES | ||
| m4 | ||
| projects | ||
| scripts | ||
| src | ||
| tests | ||
| .clang-tidy.yml | ||
| .dir-locals.el | ||
| .editorconfig | ||
| .git-blame-ignore-revs | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| acinclude.m4 | ||
| appveyor.sh | ||
| appveyor.yml | ||
| buildconf | ||
| CHANGES.md | ||
| CMakeLists.txt | ||
| configure.ac | ||
| COPYING | ||
| curl-config.in | ||
| Dockerfile | ||
| GIT-INFO.md | ||
| libcurl.pc.in | ||
| Makefile.am | ||
| README | ||
| README.md | ||
| RELEASE-NOTES | ||
| renovate.json | ||
| REUSE.toml | ||
| SECURITY.md | ||
curl is a command-line tool for transferring data from or to a server using URLs. It supports these protocols: DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS.
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