From e99518277a04f0e8cf5054a6d305b2d859a59b25 Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Tue, 21 Aug 2007 15:33:33 +0000
Subject: - add handling of lzma for the host (unconditionally for now) -
 remove non-working attempt to install an lzma to the host via sudo

---
 package/lzma/lzma.mk                      | 25 ++++++++++++++++++++-----
 package/lzma/lzmacheck.sh                 |  9 +++++++++
 target/linux/Makefile.in                  |  3 ++-
 toolchain/dependencies/check-host-lzma.sh | 13 +++++++++++++
 toolchain/dependencies/dependencies.mk    |  2 +-
 5 files changed, 45 insertions(+), 7 deletions(-)
 create mode 100755 package/lzma/lzmacheck.sh
 create mode 100755 toolchain/dependencies/check-host-lzma.sh

diff --git a/package/lzma/lzma.mk b/package/lzma/lzma.mk
index 8d6d24ae5..ecaf21b48 100644
--- a/package/lzma/lzma.mk
+++ b/package/lzma/lzma.mk
@@ -15,6 +15,12 @@ LZMA_CFLAGS+=-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
 endif
 LZMA_TARGET_BINARY:=bin/lzma
 
+# lzma binary for use on the host
+LZMA=$(TOOL_BUILD_DIR)/bin/lzma
+HOST_LZMA_BINARY=$(shell $(CONFIG_SHELL) package/lzma/lzmacheck.sh)
+HOST_LZMA_IF_ANY=$(shell $(CONFIG_SHELL) toolchain/dependencies/check-host-lzma.sh)
+
+
 $(DL_DIR)/$(LZMA_SOURCE):
 	$(WGET) -P $(DL_DIR) $(LZMA_SITE)/$(LZMA_SOURCE)
 
@@ -47,6 +53,20 @@ $(STAGING_DIR)/bin/lzma: $(LZMA_HOST_DIR)/src/lzma/lzma
 	$(SED) "s,^libdir=.*,libdir=\'$(STAGING_DIR)/lib\',g" \
 		$(STAGING_DIR)/lib/liblzmadec.la
 
+.PHONY: lzma-host use-lzma-host-binary
+use-lzma-host-binary:
+	if [ ! -f "$(TOOL_BUILD_DIR)/bin/lzma" ] ; then \
+		[ -d $(TOOL_BUILD_DIR)/bin ] || mkdir $(TOOL_BUILD_DIR)/bin ; \
+		ln -sf "$(HOST_LZMA_IF_ANY)" "$(TOOL_BUILD_DIR)/bin/lzma" ; \
+	fi
+
+build-lzma-host-binary: $(LZMA_HOST_DIR)/src/lzma/lzma
+	-rm -f $(TOOL_BUILD_DIR)/bin/lzma
+	[ -d $(TOOL_BUILD_DIR)/bin ] || mkdir $(TOOL_BUILD_DIR)/bin
+	cp -pf $(LZMA_HOST_DIR)/src/lzma/lzma $(TOOL_BUILD_DIR)/bin/lzma
+
+host-lzma: $(HOST_LZMA_BINARY)
+
 lzma-host: $(STAGING_DIR)/bin/lzma
 
 lzma-host-clean:
@@ -55,11 +75,6 @@ lzma-host-clean:
 lzma-host-dirclean:
 	rm -rf $(LZMA_HOST_DIR)
 
-/usr/local/bin/lzma: lzma_host
-	sudo 	$(MAKE) DESTDIR=/usr/local -C $(LZMA_HOST_DIR) install
-	sudo	$(SED) "s,^libdir=.*,libdir=\'/usr/local/lib\',g" \
-		/usr/local/lib/liblzmadec.la
-
 lzma-host-install: /usr/local/bin/lzma
 
 ######################################################################
diff --git a/package/lzma/lzmacheck.sh b/package/lzma/lzmacheck.sh
new file mode 100755
index 000000000..bcb0423d1
--- /dev/null
+++ b/package/lzma/lzmacheck.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+bin=$(toolchain/dependencies/check-host-lzma.sh)
+if [ "x$bin" = "x" ] ; then
+  echo build-lzma-host-binary
+else
+  echo use-lzma-host-binary
+fi
+
diff --git a/target/linux/Makefile.in b/target/linux/Makefile.in
index 8123e5b09..2b9421428 100644
--- a/target/linux/Makefile.in
+++ b/target/linux/Makefile.in
@@ -143,7 +143,8 @@ $(LINUX26_DIR)/.depend_done: $(LINUX26_DIR)/.configured
 	touch $@
 
 $(LINUX26_KERNEL): $(LINUX26_DIR)/.depend_done
-	$(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) $(LINUX26_FORMAT)
+	$(MAKE) $(LINUX26_MAKE_FLAGS) LZMA="$(LZMA)" \
+		-C $(LINUX26_DIR) $(LINUX26_FORMAT)
 	cp -dpf $(LINUX26_DIR)/$(LINUX26_BINLOC) $(LINUX26_KERNEL)
 	touch -c $@
 
diff --git a/toolchain/dependencies/check-host-lzma.sh b/toolchain/dependencies/check-host-lzma.sh
new file mode 100755
index 000000000..34e8f0379
--- /dev/null
+++ b/toolchain/dependencies/check-host-lzma.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+ok=""
+
+for bin in /usr/bin/lzma $LZMA
+do
+# TODO: add check for proper functionality here..
+  $bin --version > /dev/null 2>&1 && ok="$bin"
+  if test "x$ok" != "x" ; then
+    break
+  fi
+done
+echo "$ok"
diff --git a/toolchain/dependencies/dependencies.mk b/toolchain/dependencies/dependencies.mk
index 992f91461..b18ffc050 100644
--- a/toolchain/dependencies/dependencies.mk
+++ b/toolchain/dependencies/dependencies.mk
@@ -5,7 +5,7 @@
 #
 ######################################################################
 
-dependencies: host-sed
+dependencies: host-sed host-lzma
 	@HOSTCC="$(firstword $(HOSTCC))" MAKE="$(MAKE)" \
 		HOST_SED_DIR="$(HOST_SED_DIR)" \
 		$(TOPDIR)/toolchain/dependencies/dependencies.sh
-- 
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