Index: ports-mgmt/pkg/Makefile
===================================================================
--- ports-mgmt/pkg/Makefile
+++ ports-mgmt/pkg/Makefile
@@ -71,6 +71,13 @@
 .endif
 .endif
 
+.if !exists(/usr/libdata/pkgconfig/liblzma.pc)
+LIBLZMA_LIBS=	-llzma
+.else
+LIBLZMA_PC!=	${EGREP} ^Libs /usr/libdata/pkgconfig/liblzma.pc
+LIBLZMA_LIBS=	${LIBLZMA_PC:M-l*}
+.endif
+
 #define PKG_DEPENDS to nothing to avoid infinite loop looking for pkg :)
 PKG_DEPENDS=
 .undef INSTALLS_DEPENDS
@@ -81,6 +88,10 @@
 PKG_BIN=	${WRKSRC}/src/pkg-static
 .endif
 
+post-patch:
+	${REINPLACE_CMD} -e "s|-llzma|${LIBLZMA_LIBS}|g" ${WRKSRC}/auto.def \
+		${WRKSRC}/src/Makefile.autosetup ${WRKSRC}/tests/Makefile.autosetup
+
 post-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/lib/compat/pkg