diff options
author | Matthieu Herrb <matthieu@cvs.openbsd.org> | 2006-11-25 16:21:52 +0000 |
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committer | Matthieu Herrb <matthieu@cvs.openbsd.org> | 2006-11-25 16:21:52 +0000 |
commit | 5ef27f0095bb3d4e69909250a6ccf8df08a231aa (patch) | |
tree | 10a851d76ffd38e0347352fc982c6ba605d1222e /util/imake/ccmakedep.man | |
parent | 3f58440c73fee49a1cbf3a9f47ba06592f33208b (diff) |
import from X.Org 7.2RC2
Diffstat (limited to 'util/imake/ccmakedep.man')
-rw-r--r-- | util/imake/ccmakedep.man | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/util/imake/ccmakedep.man b/util/imake/ccmakedep.man new file mode 100644 index 000000000..20d9e82f8 --- /dev/null +++ b/util/imake/ccmakedep.man @@ -0,0 +1,142 @@ +.TH ccmakedep 1 __xorgversion__ +.SH NAME +ccmakedep \- create dependencies in makefiles using a C compiler +.SH SYNOPSIS +.B ccmakedep +[ +.BI cpp-flags +] [ +.BI \-w width +] [ +.BI \-s magic-string +] [ +.BI \-f makefile +] [ +.BI \-o object-suffix +] [ +.B \-v +] [ +.B \-a +] [ +.BI \-cc compiler +] [ +\-\^\- +.I options +\-\^\- +] +.I sourcefile +\^.\|.\|. +.SH DESCRIPTION +The +.B ccmakedep +program calls a C compiler to preprocess each +.IR sourcefile , +and uses the output to construct +.I makefile +rules describing their dependencies. +These rules instruct +.BR make (1) +on which object files must be recompiled when a dependency has changed. +.PP +By default, +.B ccmakedep +places its output in the file named +.I makefile +if it exists, otherwise +.I Makefile. +An alternate makefile may be specified with the +.B \-f +option. +It first searches the makefile for a line beginning with +.sp +\& # DO NOT DELETE +.sp +or one provided with the +.B \-s +option, as a delimiter for the dependency output. +If it finds it, it will delete everything following this up to the end of +the makefile and put the output after this line. +If it doesn't find it, the program will append the string to the makefile +and place the output after that. +.SH EXAMPLE +Normally, +.B ccmakedep +will be used in a makefile target so that typing 'make depend' will bring +the dependencies up to date for the makefile. +For example, +.nf + SRCS\0=\0file1.c\0file2.c\0.\|.\|. + CFLAGS\0=\0\-O\0\-DHACK\0\-I\^.\^.\^/foobar\0\-xyz + depend: + ccmakedep\0\-\^\-\0$(CFLAGS)\0\-\^\-\0$(SRCS) +.fi +.SH OPTIONS +The program will ignore any option that it does not understand, so you may +use the same arguments that you would for +.BR cc (1), +including +.B \-D +and +.B \-U +options to define and undefine symbols and +.B \-I +to set the include path. +.TP +.B \-a +Append the dependencies to the file instead of replacing existing +dependencies. +.TP +.BI \-cc compiler +Use this compiler to generate dependencies. +.TP +.BI \-f makefile +Filename. +This allows you to specify an alternate makefile in which +.B ccmakedep +can place its output. +Specifying \(lq\-\(rq as the file name (that is, +.BR \-f\- ) +sends the output to standard output instead of modifying an existing file. +.TP +.BI \-s string +Starting string delimiter. +This option permits you to specify a different string for +.B ccmakedep +to look for in the makefile. +The default is \(lq# DO NOT DELETE\(rq. +.TP +.BI \-v +Be verbose: display the C compiler command before running it. +.TP +.BI \-\^\- " options " \-\^\- +If +.B ccmakedep +encounters a double hyphen (\-\^\-) in the argument list, then any +unrecognized arguments following it will be silently ignored. +A second double hyphen terminates this special treatment. +In this way, +.B ccmakedep +can be made to safely ignore esoteric compiler arguments that might +normally be found in a CFLAGS +.B make +macro (see the +.B EXAMPLE +section above). +.BR \-D , +.BR \-I , +and +.B \-U +options appearing between the pair of double hyphens are still processed +normally. +.SH "SEE ALSO" +.BR cc (1), +.BR make (1), +.BR makedepend (1), +.BR ccmakedep (1). +.SH AUTHOR +.B ccmakedep +was written by the X Consortium. +.PP +Colin Watson wrote this manual page, originally for the Debian Project, +based partly on the manual page for +.BR makedepend (1). |