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The `<signal.h>` header file is part of the standard C89 headers [1] and on current systems can be included unconditionally. Since file requires at least C89 or greater, the `HAVE_SIGNAL_H` symbol defined by Autoconf in Zend.m4 [2] can be ommitted and simplifed. The bundled libmagic (file) also ommits the usage of HAVE_SIGNAL_H since 5.35 however current version in PHP is very modified 5.34 version and will be refactored separately. Check for HAVE_SIGNAL_H is therefore still done in the configure.ac. Refs: [1] https://port70.net/~nsz/c/c89/c89-draft.html#4.1.2 [2] https://git.savannah.gnu.org/cgit/autoconf.git/tree/lib/autoconf/headers.m4
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Original file line number | Diff line number | Diff line change |
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@@ -12,7 +12,6 @@ malloc.h \ | |
unistd.h \ | ||
sys/types.h \ | ||
sys/time.h \ | ||
signal.h \ | ||
unix.h \ | ||
cpuid.h \ | ||
dlfcn.h) | ||
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