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.\" DO NOT EDIT-- this file is automatically generated.
.\" from FreeBSD: stable/10/tools/build/options/makeman 255964 2013-10-01 07:22:04Z des
.\" $FreeBSD$
.Dd July 4, 2014
.Dt SRC.CONF 5
.Os
.Sh NAME
.Nm src.conf
.Nd "source build options"
.Sh DESCRIPTION
The
.Nm
file contains settings that will apply to every build involving the
.Fx
source tree; see
.Xr build 7 .
.Pp
The
.Nm
file uses the standard makefile syntax.
However,
.Nm
should not specify any dependencies to
.Xr make 1 .
Instead,
.Nm
is to set
.Xr make 1
variables that control the aspects of how the system builds.
.Pp
The default location of
.Nm
is
.Pa /etc/src.conf ,
though an alternative location can be specified in the
.Xr make 1
variable
.Va SRCCONF .
Overriding the location of
.Nm
may be necessary if the system-wide settings are not suitable
for a particular build.
For instance, setting
.Va SRCCONF
to
.Pa /dev/null
effectively resets all build controls to their defaults.
.Pp
The only purpose of
.Nm
is to control the compilation of the
.Fx
source code, which is usually located in
.Pa /usr/src .
As a rule, the system administrator creates
.Nm
when the values of certain control variables need to be changed
from their defaults.
.Pp
In addition, control variables can be specified
for a particular build via the
.Fl D
option of
.Xr make 1
or in its environment; see
.Xr environ 7 .
.Pp
The values of variables are ignored regardless of their setting;
even if they would be set to
.Dq Li FALSE
or
.Dq Li NO .
Just the existence of an option will cause
it to be honoured by
.Xr make 1 .
.Pp
The following list provides a name and short description for variables
that can be used for source builds.
.Bl -tag -width indent
.It Va WITHOUT_ACCT
.\" from FreeBSD: stable/10/tools/build/options/WITHOUT_ACCT 223201 2011-06-17 20:47:44Z ed
Set to not build process accounting tools such as
.Xr accton 8
and
.Xr sa 8 .
.It Va WITHOUT_ACPI
.\" from FreeBSD: stable/10/tools/build/options/WITHOUT_ACPI 156932 2006-03-21 07:50:50Z ru
Set to not build
.Xr acpiconf 8 ,
.Xr acpidump 8
and related programs.
.It Va WITHOUT_AMD
.\" from FreeBSD: stable/10/tools/build/options/WITHOUT_AMD 183242 2008-09-21 22:02:26Z sam
Set to not build
.Xr amd 8 ,
and related programs.
.It Va WITHOUT_APM
.\" from FreeBSD: stable/10/tools/build/options/WITHOUT_APM 183242 2008-09-21 22:02:26Z sam
Set to not build
.Xr apm 8 ,
.Xr apmd 8
and related programs.
.It Va WITHOUT_ARM_EABI
.\" from FreeBSD: stable/10/tools/build/options/WITHOUT_ARM_EABI 253396 2013-07-16 19:15:19Z andrew
Set the ARM ABI to OABI.
.It Va WITHOUT_ASSERT_DEBUG
.\" from FreeBSD: stable/10/tools/build/options/WITHOUT_ASSERT_DEBUG 162215 2006-09-11 13:55:27Z ru
Set to compile programs and libraries without the
.Xr assert 3
checks.
.It Va WITHOUT_AT
.\" from FreeBSD: stable/10/tools/build/options/WITHOUT_AT 183242 2008-09-21 22:02:26Z sam
Set to not build
.Xr at 1
and related utilities.
.It Va WITHOUT_ATM
.\" from FreeBSD: stable/10/tools/build/options/WITHOUT_ATM 156932 2006-03-21 07:50:50Z ru
Set to not build
programs and libraries related to ATM networking.
.It Va WITHOUT_AUDIT
.\" from FreeBSD: stable/10/tools/build/options/WITHOUT_AUDIT 156932 2006-03-21 07:50:50Z ru
Set to not build audit support into system programs.
.It Va WITHOUT_AUTHPF
.\" from FreeBSD: stable/10/tools/build/options/WITHOUT_AUTHPF 156932 2006-03-21 07:50:50Z ru
Set to not build
.Xr authpf 8 .
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