diff options
Diffstat (limited to 'man/dpkg-buildflags.1')
| -rw-r--r-- | man/dpkg-buildflags.1 | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/man/dpkg-buildflags.1 b/man/dpkg-buildflags.1 new file mode 100644 index 000000000..1b462c21f --- /dev/null +++ b/man/dpkg-buildflags.1 @@ -0,0 +1,116 @@ +.TH dpkg\-buildflags 1 "2010-04-11" "Debian Project" "dpkg suite" +.SH NAME +dpkg\-buildflags \- returns build flags to use during package build +. +.SH SYNOPSIS +.B dpkg\-buildflags +.RI [ option "...] " command +. +.SH DESCRIPTION +\fBdpkg\-buildflags\fP is a tool to retrieve compilation flags to use during +build of Debian packages. +. +The default flags are defined by the vendor but they can be +extended/overriden in several ways: +.IP 1. +system-wide with \fB/etc/dpkg/buildflags.conf\fP; +.IP 2. +for the current user with \fB~/.config/dpkg-buildflags.conf\fP; +.IP 3. +temporarily with environment variables (see section \fBENVIRONMENT\fP). +.P +The configuration files can contain two types of directives: +.TP +.BI SET " flag value" +Override the flag named \fIflag\fP to have the value \fIvalue\fP. +.TP +.BI APPEND " flag value" +Extend the flag named \fIflag\fP with the options given in \fIvalue\fP. +A space is prepended to the appended value if the flag's current value is non-empty. +.P +The configuration files can contain comments on lines starting with a hash +(#). Empty lines are also ignored. +.SH COMMANDS +.TP +.BI \-\-list +Print the list of flags supported by the current vendor +(one per line). See the \fBSUPPORTED FLAGS\fP section for more +information about them. +.TP +.BI \-\-get " flag" +Print the value of the flag on standard output. Exits with 0 +if the flag is known otherwise exits with 1. +.TP +.BI \-\-origin " flag" +Print the origin of the value that is returned by \fB\-\-get\fP. Exits +with 0 if the flag is known otherwise exits with 1. The origin can be one +of the following values: +.RS +.TP +.B vendor +the original flag set by the vendor is returned; +.TP +.B system +the flag is set/modified by a system-wide configuration; +.TP +.B user +the flag is set/modified by a user-specific configuration; +.TP +.B env +the flag is set/modified by an environment-specific configuration. +.RE +.TP +.B \-\-help +Show the usage message and exit. +.TP +.B \-\-version +Show the version and exit. +. +.SH SUPPORTED FLAGS +.TP +.B CFLAGS +Options for the C compiler. The default value set by the vendor +includes \fI-g\fP and the default optimization level (\fI-O2\fP usually, +or \fI-O0\fP if the \fBDEB_BUILD_OPTIONS\fP environment variable defines +\fInoopt\fP). +.TP +.B CPPFLAGS +Options for the C preprocessor. Default value: empty. +.TP +.B CXXFLAGS +Options for the C++ compiler. Same as \fBCFLAGS\fP. +.TP +.B FFLAGS +Options for the Fortran compiler. Same as \fBCFLAGS\fP. +.TP +.B LDFLAGS +Options passed to the compiler when linking executables or shared +objects (if the linker is called directly, then +.B -Wl +and +.B , +have to be stripped from these options). Default value: empty. +. +.SH FILES +.TP +.B /etc/dpkg/buildflags.conf +System wide configuration file. +.TP +.B ~/.config/dpkg-buildflags.conf +User configuration file. +.SH ENVIRONMENT +.TP +.BI DEB_ flag _SET +This variable can be used to force the value returned for the given +\fIflag\fP. +.TP +.BI DEB_ flag _APPEND +This variable can be used to append supplementary options to the value +returned for the given \fIflag\fP. +. +.SH AUTHOR +Copyright \(co 2010 Rapha\[:e]l Hertzog +.sp +This is free software; see the GNU General Public Licence version 2 or +later for copying conditions. There is NO WARRANTY. + |