Fix portability patch for uClibc.

[openwrt.git] / include / host.mk

diff --git a/include/host.mk b/include/host.mk
index abcf045..423ca16 100644 (file)
--- a/include/host.mk
+++ b/include/host.mk
@@ -5,9 +5,14 @@
 # See /LICENSE for more information.
 #
 
-include $(TOPDIR)/.host.mk
+include $(TMP_DIR)/.host.mk
 
-$(TOPDIR)/.host.mk: $(INCLUDE_DIR)/host.mk
+export TAR
+
+ifneq ($(__host_inc),1)
+__host_inc:=1
+$(TMP_DIR)/.host.mk: $(TOPDIR)/include/host.mk
+       @mkdir -p $(TMP_DIR)
        @( \
                HOST_OS=`uname`; \
                case "$$HOST_OS" in \
@@ -20,8 +25,13 @@ $(TOPDIR)/.host.mk: $(INCLUDE_DIR)/host.mk
                echo "HOST_OS:=$$HOST_OS" > $@; \
                echo "HOST_ARCH:=$$HOST_ARCH" >> $@; \
                echo "GNU_HOST_NAME:=$$GNU_HOST_NAME" >> $@; \
-               if tar --version 2>&1 | grep 'GNU' >/dev/null; then \
-                       echo "TAR_WILDCARDS:=--wildcards" >> $@; \
-               fi; \
+               TAR=`which gtar 2>/dev/null`; \
+               [ -n "$$TAR" -a -x "$$TAR" ] || TAR=`which tar 2>/dev/null`; \
+               echo "TAR:=$$TAR" >> $@; \
+               ZCAT=`which gzcat 2>/dev/null`; \
+               [ -n "$$ZCAT" -a -x "$$ZCAT" ] || ZCAT=`which zcat 2>/dev/null`; \
+               echo "ZCAT:=$$ZCAT" >> $@; \
+               echo "BASH:=$(shell which bash)" >> $@; \
        )
 
+endif