introduce a menuconfig option to turn off static linking of host utilities

SVN-Revision: 33154

Config.in

@@ -153,6 +153,13 @@ menu "Global build settings"
 		  When this option is enabled, packages are built with the full versions of iconv and GNU gettext
 		  instead of the default OpenWrt stubs. If uClibc is used, it is also built with locale support.
 
+	config BUILD_STATIC_TOOLS
+		default y
+		bool "Attempt to link host utilities statically"
+		help
+		  Linking host utilities like sed or firmware-utils statically increases the portability of the
+		  generated ImageBuilder and SDK tarballs, however it may fail on some Linux distributions.
+
 	config SHADOW_PASSWORDS
 		bool
 		prompt "Enable shadow password support"

include/host-build.mk

@@ -66,7 +66,9 @@ HOST_CONFIGURE_ARGS = \
 HOST_CONFIGURE_CMD = ./configure
 
 ifneq ($(HOST_OS),Darwin)
-  HOST_STATIC_LINKING = -static
+  ifeq ($(CONFIG_BUILD_STATIC_TOOLS),y)
+    HOST_STATIC_LINKING = -static
+  endif
 endif
 
 define Host/Configure/Default