makepkg: allow specifying alternative build directory

Add a BUILDDIR variable (which can be overridden in the environment)
to specify an alternative location for building the package. This is
useful for people who want to build on a different filesystem for
improved performance (e.g. tmpfs).

Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/etc/makepkg.conf.in b/etc/makepkg.conf.in
index 42ae9405..d3b7d3d3 100644
--- a/etc/makepkg.conf.in
+++ b/etc/makepkg.conf.in
@@ -54,6 +54,9 @@ BUILDENV=(fakeroot !distcc color !ccache check !sign)
 #-- If using DistCC, your MAKEFLAGS will also need modification. In addition,
 #-- specify a space-delimited list of hosts running in the DistCC cluster.
 #DISTCC_HOSTS=""
+#
+#-- Specify a directory for package building.
+#BUILDDIR=/tmp/makepkg
 
 #########################################################################
 # GLOBAL PACKAGE OPTIONS