6.3. Building mechanisms

6.3. Building mechanisms
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6.3.1. `make`, `gmake`, and `imake`

If your port uses GNU make, set USE_GMAKE=yes.

表格 6.1. Variables for ports related to gmake

Variable	Means
`USE_GMAKE`	The port requires `gmake` to build.
`GMAKE`	The full path for `gmake` if it is not in the `PATH`.

If your port is an X application that creates Makefile files from Imakefile files using imake, then set USE_IMAKE=yes. This will cause the configure stage to automatically do an xmkmf -a. If the -a flag is a problem for your port, set XMKMF=xmkmf. If the port uses imake but does not understand the install.man target, NO_INSTALL_MANPAGES=yes should be set.

If your port's source Makefile has something else than all as the main build target, set ALL_TARGET accordingly. Same goes for install and INSTALL_TARGET.

6.3.2. `configure` script

If your port uses the configure script to generate Makefile files from Makefile.in files, set GNU_CONFIGURE=yes. If you want to give extra arguments to the configure script (the default argument is --prefix=${PREFIX} --infodir=${PREFIX}/${INFO_PATH} --mandir=${MANPREFIX}/man --build=${CONFIGURE_TARGET}), set those extra arguments in CONFIGURE_ARGS. Extra environment variables can be passed using CONFIGURE_ENV variable.

表格 6.2. Variables for ports that use configure

Variable	Means
`GNU_CONFIGURE`	The port uses `configure` script to prepare build.
`HAS_CONFIGURE`	Same as `GNU_CONFIGURE`, except default configure target is not added to `CONFIGURE_ARGS`.
`CONFIGURE_ARGS`	Additional arguments passed to `configure` script.
`CONFIGURE_ENV`	Additional environment variables to be set for `configure` script run.
`CONFIGURE_TARGET`	Override default configure target. Default value is `${MACHINE_ARCH}-portbld-freebsd${OSREL}`.

6.3.3. Using `scons`

If your port uses SCons, define USE_SCONS=yes.

表格 6.3. Variables for ports that use scons

Variable	Means
`SCONS_ARGS`	Port specific SCons flags passed to the SCons environment.
`SCONS_BUILDENV`	Variables to be set in system environment.
`SCONS_ENV`	Variables to be set in SCons environment.
`SCONS_TARGET`	Last argument passed to SCons, similar to `MAKE_TARGET`.

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6.2. Ports with distribution restrictions	起始頁	6.4. Using GNU autotools