fix isolate mode

[openwrt.git] / include / unpack.mk

diff --git a/include/unpack.mk b/include/unpack.mk
index e195f31..500aada 100644 (file)
--- a/include/unpack.mk
+++ b/include/unpack.mk
@@ -20,7 +20,7 @@ ifeq ($(strip $(PKG_UNPACK)),)
 
     ifeq ($(filter gz tgz,$(EXT)),$(EXT))
       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
-      UNPACK:=$(ZCAT) $(DL_DIR)/$(PKG_SOURCE) |
+      UNPACK:=gzip -dc $(DL_DIR)/$(PKG_SOURCE) |
     endif      
     ifeq ($(filter bzip2 bz2 bz tbz2 tbz,$(EXT)),$(EXT))
       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
@@ -42,15 +42,15 @@ ifeq ($(strip $(PKG_UNPACK)),)
   endif
  
   # compatibility code for packages that set PKG_CAT
-  ifeq ($(strip $(PKG_CAT)$(PKG_UNPACK)),)
+  ifeq ($(strip $(PKG_UNPACK)),)
     # use existing PKG_CAT
     PKG_UNPACK:=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
     ifeq ($(PKG_CAT),unzip)
       PKG_UNPACK:=$(UNZIP_CMD)
     endif
-    # replace zcat with $(ZCAT), because some system have it as gzcat
+    # replace zcat with $(ZCAT), because some system don't support it properly
     ifeq ($(PKG_CAT),zcat)
-      PKG_UNPACK:=$(ZCAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
+      PKG_UNPACK:=gzip -dc $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
     endif
   endif
   ifneq ($(strip $(CRLF_WORKAROUND)),)