Fix BUILDDIR

Author: oech3

GNUmakefile

@@ -42,11 +42,12 @@ PROG_PREFIX ?=
 
 # This won't support any directory with spaces in its name, but you can just
 # make a symlink without spaces that points to the directory.
+# CARGO_BUILD_TARGET should be undefined for not cross-build.
 BASEDIR       ?= $(shell pwd)
 ifdef CARGO_TARGET_DIR
 BUILDDIR 	  := $(CARGO_TARGET_DIR)/${PROFILE}
 else
-BUILDDIR      := $(BASEDIR)/target/${PROFILE}
+BUILDDIR      := $(BASEDIR)/target/$(CARGO_BUILD_TARGET)/${PROFILE}
 endif
 PKG_BUILDDIR  := $(BUILDDIR)/deps
 DOCSDIR       := $(BASEDIR)/docs
@@ -400,7 +401,7 @@ distclean: clean
 ifeq ($(MANPAGES),y)
 # Do not cross-build uudoc
 build-uudoc:
-	@unset CARGO_BUILD_TARGET && ${CARGO} build ${CARGOFLAGS} --bin uudoc --features "uudoc ${EXES}" ${PROFILE_CMD} --no-default-features
+	${CARGO} build ${CARGOFLAGS} --bin uudoc --features "uudoc ${EXES}" ${PROFILE_CMD} --no-default-features
 
 install-manpages: build-uudoc
 	mkdir -p $(DESTDIR)$(DATAROOTDIR)/man/man1