make sure a predefined CFLAGS variable does not get in the way (fix for #4038)

[openwrt.git] / include / unpack.mk

diff --git a/include/unpack.mk b/include/unpack.mk
index 52764e4..9b68e5d 100644 (file)
--- a/include/unpack.mk
+++ b/include/unpack.mk
@@ -1,15 +1,64 @@
+# 
+# Copyright (C) 2006-2007 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+# unpacking files with +s may break on some platforms. this typically emits error code 2
+ifneq ($(HOST_OS),Linux)
+  HOST_TAR:=trapret 2 $(TAR)
+else
+  HOST_TAR:=$(TAR)
+endif
+TAR_CMD:=$(HOST_TAR) -C $(PKG_BUILD_DIR)/.. $(TAR_OPTIONS)
+UNZIP_CMD:=unzip -d $(PKG_BUILD_DIR)/.. $(DL_DIR)/$(PKG_SOURCE)
+
+ifeq ($(PKG_SOURCE),)
+  PKG_UNPACK ?= true
+endif
 ifeq ($(strip $(PKG_UNPACK)),)
-  ifneq ($(strip $(PKG_CAT)),)
+  ifeq ($(strip $(PKG_CAT)),)
+    # try to autodetect file type
+    EXT:=$(call ext,$(PKG_SOURCE))
+    EXT1:=$(EXT)
+
+    ifeq ($(filter gz tgz,$(EXT)),$(EXT))
+      EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
+      UNPACK:=gzip -dc $(DL_DIR)/$(PKG_SOURCE) |
+    endif      
+    ifeq ($(filter bzip2 bz2 bz tbz2 tbz,$(EXT)),$(EXT))
+      EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
+      UNPACK:=bzcat $(DL_DIR)/$(PKG_SOURCE) |
+    endif
+    ifeq ($(filter tgz tbz tbz2,$(EXT1)),$(EXT1))
+      EXT:=tar
+    endif
+    UNPACK ?= cat $(DL_DIR)/$(PKG_SOURCE) |
+    ifeq ($(EXT),tar)
+      PKG_UNPACK:=$(UNPACK) $(TAR_CMD)
+    endif
+    ifeq ($(EXT),cpio)
+      PKG_UNPACK:=$(UNPACK) (cd $(PKG_BUILD_DIR)/..; cpio -i -d)
+    endif
+    ifeq ($(EXT),zip)
+      PKG_UNPACK:=$(UNZIP_CMD)
+    endif
+  endif
+ 
+  # compatibility code for packages that set PKG_CAT
+  ifeq ($(strip $(PKG_UNPACK)),)
     # use existing PKG_CAT
-    PKG_UNPACK:=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | tar -C $(PKG_BUILD_DIR)/.. $(TAR_OPTIONS) -
+    PKG_UNPACK:=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
     ifeq ($(PKG_CAT),unzip)
-      PKG_UNPACK=unzip -d $(PKG_BUILD_DIR) $(DL_DIR)/$(PKG_SOURCE)
+      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 -C $(PKG_BUILD_DIR)/.. $(TAR_OPTIONS) -
+      PKG_UNPACK:=gzip -dc $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
     endif
-  else
-    # try to autodetect file type
+  endif
+  ifneq ($(strip $(CRLF_WORKAROUND)),)
+    PKG_UNPACK += && find $(PKG_BUILD_DIR) -type f -print0 | xargs -0 perl -pi -e 's!\r$$$$!!g'
   endif
 endif