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diff --git a/man/flag-o-matic.eclass.5 b/man/flag-o-matic.eclass.5 new file mode 100644 index 000000000..967ee9c9c --- /dev/null +++ b/man/flag-o-matic.eclass.5 @@ -0,0 +1,84 @@ +.TH "FLAG-O-MATIC.ECLASS" "5" "Jun 2003" "Portage 2.0.51" "portage" +.SH "NAME" +flag\-o\-matic.eclass \- manipulate CFLAGS/CXXFLAGS easily and reliably +.SH "DESCRIPTION" +The \fBflag\-o\-matic\fR eclass contains a suite of functions to +manipulate the CFLAGS/CXXFLAGS variables. +.SH "FUNCTIONS" +.TP +.BR "append-flags " "\fI<flags>\fR" +Add extra \fIflags\fR to the current CFLAGS/CXXFLAGS. +.TP +.BR "filter-flags " "\fI<flags>\fR" +Remove particular \fIflags\fR from CFLAGS/CXXFLAGS. This function +will only match complete flags. +.TP +.BR "replace-flags " "\fI<orig-flag>\fR \fI<new-flag>\fR" +Replace all occurences of \fIoriginal flag\fR with \fInew flag\fR. +.TP +.BR "replace-cpu-flags " "\fI<old cpus>\fR \fI<new cpu>\fR" +Replace all -march, -mcpu, and -mtune flags which contain \fIold cpus\fR +with -march, -mcpu, and -mtune flags which contain \fInew cpu\fR. +.TP +.BR "get-flag " "\fI<flag>\fR" +If \fIflag\fR is prefixed with -, then the whole flag will +be echoed. If just the flag name is specified, and the flag has +a setting, the value for the flag will be echoed instead. + +.I Examples: +.br +CFLAGS="-march=i586 -ffast-math" +.br +`get-flag -march` == "-march=i586" +.br +`get-flag march` == "i586" +.br +`get-flag -ffast-math` == "-ffast-math" +.br +`get-flag ffast-math` == "-ffast-math" +.TP +.BR "is-flag " "\fI<flag>\fR" +Returns true if \fIflag\fR is in CFLAGS or CXXFLAGS. +.TP +.BR "filter-mfpmath " "\fI<math types>\fR" +Remove specified \fImath types\fR from the selected fpmath units. +If the user has -mfpmath=sse,386, running `filter-mfpmath sse` +will leave the user with -mfpmath=386. +.TP +.BR "append-ldflags " "\fI<flags>\fR" +Add extra \fIflags\fR to the current LDFLAGS. +.TP +.BR "filter-ldflags " "\fI<flags>\fR" +Remove particular \fIflags\fR from LDFLAGS. This function +will only match complete flags. +.TP +.BR "filter-lfs-flags" +Remove flags that enable Large File Support. +.TP +.BR "append-lfs-flags" +Add flags that enable Large File Support. +.TP +.BR "strip-flags" +Strip CFLAGS/CXXFLAGS of everything except for flags known to +be good flags, or are flags that affect the ABI. Users of stable +profile are limited to these flags: +.br +.I "-O -O1 -O2 -mcpu -march -mtune -fstack-protector -pipe -g" +.br +Users of unstable profile are allowed the above flags and these flags: +.br +.I "-Os -O3 -freorder-blocks -fprefetch-loop-arrays" +.TP +.BR "test_flag " "\fI<flag>\fR" +Tests to see if \fIflag\fR is supported by the active toolchain. +.SH "REPORTING BUGS" +Please report bugs via http://bugs.gentoo.org/ +.SH "SEE ALSO" +.BR ebuild (5), +.BR make.conf (5) +.SH "FILES" +.BR /usr/portage/eclass/flag\-o\-matic.eclass +.SH "AUTHORS" +Mike Frysinger <vapier@gentoo.org> +.SH "CVS HEADER" +$Header: /var/cvsroot/gentoo-src/portage/man/flag-o-matic.eclass.5,v 1.5.2.2 2005/01/15 00:19:36 vapier Exp $ |