diff --git a/graphics/argyllcms/Makefile b/graphics/argyllcms/Makefile
index e859633bd1fe..d4cb8923c74c 100644
--- a/graphics/argyllcms/Makefile
+++ b/graphics/argyllcms/Makefile
@@ -13,8 +13,6 @@ COMMENT=	ICC compatible color management system
 
 LICENSE=	AGPLv3
 
-BROKEN_powerpc64=	Does not build
-
 BUILD_DEPENDS=	jam:devel/jam
 LIB_DEPENDS=	libtiff.so:graphics/tiff \
 		libpng16.so:graphics/png
diff --git a/graphics/argyllcms/files/patch-Jambase b/graphics/argyllcms/files/patch-Jambase
new file mode 100644
index 000000000000..8f9dcd01a780
--- /dev/null
+++ b/graphics/argyllcms/files/patch-Jambase
@@ -0,0 +1,15 @@
+--- Jambase.bak	2016-09-28 02:58:53.000000000 +0000
++++ Jambase	2017-05-11 19:43:36.780841000 +0000
+@@ -999,7 +999,11 @@
+ # General defaults; a lot like UNIX
+ #
+ 
+-	AR				?= ar rusc ;
++	if ! $(AR) {
++		AR		= ar rusc ;
++	} else {
++		AR		+= rusc ;
++	}
+ 	AS				?= as ;
+ 	ASFLAGS			?= ;
+ 	AWK				?= awk ;
diff --git a/graphics/argyllcms/files/patch-ccast_axTLS_os__int.h b/graphics/argyllcms/files/patch-ccast_axTLS_os__int.h
new file mode 100644
index 000000000000..28bbdf9049fc
--- /dev/null
+++ b/graphics/argyllcms/files/patch-ccast_axTLS_os__int.h
@@ -0,0 +1,11 @@
+--- ./ccast/axTLS/os_int.h.orig
++++ ./ccast/axTLS/os_int.h
+@@ -34,6 +34,7 @@
+ #if (__STDC_VERSION__ >= 199901L)	/* C99 */		\
+  || defined(_STDINT_H_) || defined(_STDINT_H)		\
+  || defined(_SYS_TYPES_H)							\
++ || defined(__powerpc64__) || defined(POWERPC64)	\
+  || (defined(__APPLE__) && defined(__POWERPC__))
+ 
+ #include <stdint.h> 
+