uml: Check for glibc static libraries

[lede-git/.git] / target / linux / uml / image / Makefile

diff --git a/target/linux/uml/image/Makefile b/target/linux/uml/image/Makefile
old mode 100755 (executable)
new mode 100644 (file)
index baf945f..c8ed874
--- a/target/linux/uml/image/Makefile
+++ b/target/linux/uml/image/Makefile
@@ -1,5 +1,5 @@
 # 
-# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2006-2010 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -11,9 +11,25 @@ define Image/Prepare
        cp $(LINUX_DIR)/linux $(KDIR)/vmlinux.elf
 endef
 
+define Image/Build/squashfs
+       dd if=/dev/zero of=$(KDIR)/root.squashfs bs=1024k count=0 seek=$(CONFIG_TARGET_ROOTFS_PARTSIZE)
+endef
+
 define Image/Build
-       cp $(KDIR)/root.$(1) $(BIN_DIR)/openwrt-$(BOARD)-$(1).img
-       cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-vmlinux
+       $(call Image/Build/$(1))
+       cp $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1).img
+       cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux
 endef
 
 $(eval $(call BuildImage))
+
+# UML requires linking against several glibc static libraries: libutil, librt
+# and libpthread, check that here. We do not check against libpthread
+# specifically because getting something to build that references a libpthread
+# symbol is pretty involved and Linux distributions package these 3 libraries
+# in the same package.
+
+$(eval $(call TestHostCommand,glibc-static, \
+       Please install a static glibc package. (Missing libutil.a, librt.a or libpthread.a), \
+       echo 'int main(int argc, char **argv) { login(0); timer_gettime(0, 0); return 0; }' | \
+               gcc -include utmp.h -x c -o $(TMP_DIR)/a.out - -static -lutil -lrt))