1 files changed, 13 insertions, 1 deletions

diff --git a/Mk/bsd.port.mk b/Mk/bsd.port.mk
index 361ea58a0b3f..9cafcbe77604 100644
--- a/Mk/bsd.port.mk
+++ b/Mk/bsd.port.mk
@@ -348,7 +348,10 @@ FreeBSD_MAINTAINER=	portmgr@FreeBSD.org
 #				  can be used in Makefiles by port maintainers
 #				  if a port breaks with it (it should be
 #				  extremely rare).
-#
+##
+# USE_LOCALE	- LANG and LC_ALL are set to the value of this variable in
+#				  CONFIGURE_ENV and MAKE_ENV.  Example: USE_LOCALE=en_US.UTF-8
+##
 # USE_GCC		- If set, this port requires this version of gcc, either in
 #				  the system or installed from a port.
 # USE_CSTD		- Override the default C language standard (gnu89, gnu99)
@@ -1035,6 +1038,10 @@ FreeBSD_MAINTAINER=	portmgr@FreeBSD.org
 # Most port authors should not need to understand anything after this point.
 #
 
+LANG=		C
+LC_ALL=		C
+.export		LANG LC_ALL
+
 # These need to be absolute since we don't know how deep in the ports
 # tree we are and thus can't go relative.  They can, of course, be overridden
 # by individual Makefiles or local system make configuration.
@@ -1904,6 +1911,11 @@ ${_f}_ARGS:=	${f:C/^[^\:]*(\:|\$)//:S/,/ /g}
 .include "${USESDIR}/${f:C/\:.*//}.mk"
 .endfor
 
+.if defined(USE_LOCALE)
+CONFIGURE_ENV+=	LANG=${USE_LOCALE} LC_ALL=${USE_LOCALE}
+MAKE_ENV+=		LANG=${USE_LOCALE} LC_ALL=${USE_LOCALE}
+.endif
+
 .if defined(USE_XORG)
 # Add explicit X options to avoid problems with false positives in configure
 .if defined(GNU_CONFIGURE)