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432f2fd9ac
- use the same pattern across all Find modules:
- verify if the version header exists before reading it.
- use a single regex per lookup.
- sync regexes between Find modules.
- use generic temporary variable names.
- improve readability.
- make it simpler to transition to new CMake syntax in the future:
```cmake
file(STRINGS "${CARES_INCLUDE_DIR}/ares_version.h" _version_str REGEX "<...>")
unset(_version_str)
set(CARES_VERSION "${CMAKE_MATCH_1}")
```
Ref: https://cmake.org/cmake/help/latest/policy/CMP0159.html#policy:CMP0159
- fix zstd version detection to be CMake 3.7 compatible.
Required 3.9 before this patch, for the `CMAKE_MATCH_<n>` feature.
Follow-up to
|
||
|---|---|---|
| .. | ||
| Platforms | ||
| cmake_uninstall.cmake.in | ||
| CMakeConfigurableFile.in | ||
| curl-config.cmake.in | ||
| CurlSymbolHiding.cmake | ||
| CurlTests.c | ||
| FindBearSSL.cmake | ||
| FindBrotli.cmake | ||
| FindCARES.cmake | ||
| FindGSS.cmake | ||
| FindLibPSL.cmake | ||
| FindLibSSH2.cmake | ||
| FindMbedTLS.cmake | ||
| FindMSH3.cmake | ||
| FindNettle.cmake | ||
| FindNGHTTP2.cmake | ||
| FindNGHTTP3.cmake | ||
| FindNGTCP2.cmake | ||
| FindQUICHE.cmake | ||
| Findrustls.cmake | ||
| FindWolfSSH.cmake | ||
| FindWolfSSL.cmake | ||
| FindZstd.cmake | ||
| Macros.cmake | ||
| OtherTests.cmake | ||
| PickyWarnings.cmake | ||
| Utilities.cmake | ||