new package qemu-host: Qemu user-space emulator for host toolchain

helpful for compiling pathological software like 'emacs' that need the target
for certain bootstrap operations.

qemu-host/Makefile

@@ -0,0 +1,98 @@
+# 
+# OpenWrt Package for building Qemu on the host to be used during the
+# compilation of weird packages that need a target environment for certain
+# build steps (like Emacs).
+#
+# Copyright (C) 2011 David Kuehling <dvdkhlng TA gmx TOD de>
+#
+# License GPLv2 or later.  NO WARRANTY.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=qemu-host
+PKG_VERSION:=0.14.1
+PKG_RELEASE:=1
+PKG_SOURCE:=qemu-$(PKG_VERSION).tar.gz
+PKG_MD5SUM:=b6c713a8db638e173af53a62d5178640	
+PKG_SOURCE_URL:=http://download.savannah.gnu.org/releases/qemu/
+HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/qemu-$(PKG_VERSION)
+PKG_BUILD_DIR:=$(BUILD_DIR)/qemu-$(PKG_VERSION)
+HOST_BUILD_PARALLEL := 1
+
+include $(INCLUDE_DIR)/host-build.mk
+include $(INCLUDE_DIR)/package.mk
+
+define Package/qemu-host
+  SECTION:=lang
+  CATEGORY:=Languages
+  TITLE:=Qemu user-space emulation for the host
+  URL:=http://www.qemu.org
+  DEPENDS:=+qemu-host/host
+  MAINTAINER=David Kuehling <dvdkhlng TA gmx TOD de>
+endef
+
+define Package/qemu-host/description
+Qemu emulator for the toolchain dummy package.  Enable this package just to 
+force compilation of qemu-host.
+
+You don\'t need to enable this package to build packages that rely on qemu 
+during build-time.  Instead just add \'+qemu-host/host\' to the 
+PKG_BUILD_DEPENDS line of your package.
+endef
+
+##
+## Compile for the host
+##
+
+HOST_CONFIGURE_VARS =
+
+HOST_CONFIGURE_ARGS =						\
+	--cc=$(HOSTCC) 						\
+	--prefix=$(STAGING_DIR_HOST)				\
+	--extra-cflags="$(HOST_CFLAGS) $(HOST_CPPFLAGS)"	\
+	--extra-ldflags="$(HOST_LDFLAGS)"			\
+	--sysconfdir=$(STAGING_DIR_HOST)/etc			\
+	--disable-sdl						\
+	--disable-werror					\
+	--audio-drv-list=					\
+	--disable-curses					\
+	--disable-check-utests					\
+	--disable-bluez						\
+	--disable-kvm						\
+	--disable-system					\
+	--disable-user						\
+	--enable-linux-user 
+
+
+
+define Host/Configure
+	$(call Host/Configure/Default)
+endef
+
+define Host/Compile
+	$(call Host/Compile/Default)
+endef
+
+define Host/Install
+	$(call Host/Install/Default)
+endef
+
+##
+## Compile for the target
+##
+
+# nothing to target-compile; everything done during host-compile step
+define Package/qemu-host/compile
+endef
+
+define Package/qemu-host/install
+endef
+
+$(eval $(call HostBuild))
+$(eval $(call BuildPackage,qemu-host))
+
+# The following comments configure the Emacs editor.  Just ignore them.
+# Local Variables:
+# compile-command: "make -C ~/h/src/qi/openwrt-xburst package/qemu-host/compile -j2 V=99"
+# End: