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Clang always prints "clang $VERSION" regardless of the name used to execute it, whereas GCC prints "$progname $VERSION", meaning if CC is set to cc and cc is GCC it will print "cc $VERSION". We are able to detect some of those cases since it then prints "($PKGVERSION)", where the default is "GCC", but many distributions override that to print their name and the package version number (e.g. "Debian 10.2.1-6"), so nothing tells us it's GCC other than the fact that it's not Clang (and that there's an FSF copyright disclaimer). However, GCC's -v option will always print "gcc version $VERSION", so fall back on using that to detect GCC. Whilst Clang also supports this option, we should never get here, so Clang handling is not added. Reviewed by: brooks, emaste, arichardson Differential Revision: https://reviews.freebsd.org/D28315 |
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| .. | ||
| colldef | ||
| ctypedef | ||
| dict | ||
| doc | ||
| dtrace | ||
| examples | ||
| i18n | ||
| keys | ||
| man | ||
| misc | ||
| mk | ||
| monetdef | ||
| msgdef | ||
| numericdef | ||
| security | ||
| sendmail | ||
| skel | ||
| snmp | ||
| syscons | ||
| tabset | ||
| termcap | ||
| tests | ||
| timedef | ||
| vt | ||
| zoneinfo | ||
| Makefile | ||
| Makefile.inc | ||