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/doc/makepkg.8.txt b/doc/makepkg.8.txt
index e61f7ab3..f15226ac 100644
--- a/doc/makepkg.8.txt
+++ b/doc/makepkg.8.txt
@@ -206,6 +206,9 @@ Environment Variables
 	Folder where the downloaded sources will be stored. Overrides the
 	corresponding value defined in linkman:makepkg.conf[5].
 
+**BUILDDIR=**"/path/to/folder"::
+	Folder where the package will be built. Overrides the corresponding
+	value defined in linkman:makepkg.conf[5].
 
 Configuration
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