configure: drop unused detections and macros #15867
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It's used like this in the source. stdlib.h is detected by autotools anyway. We avoid a second, explicit check which uses the cached result of the implicit check. The HAVE macor is set either way.
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Apr 26, 2025
- drop `HAVE_IOCTL` macro, drop exception. - drop unused `setjmp.h` detection, drop exception. It's a C89 header and result also not used in detections. - use C89 `stdlib.h` without detection. (It's still being detected by autotools anyway.) Closes curl#15867
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HAVE_IOCTLmacro, drop exception.setjmp.hdetection, drop exception.It's a C89 header and result also not used in detections.
stdlib.hwithout detection.(It's still being detected by autotools anyway.)