fixing build system overhaul fallout...

Makefile

@@ -565,7 +565,7 @@ busybox-all  := $(core-y) $(libs-y)
 # Rule to link busybox - also used during CONFIG_KALLSYMS
 # May be overridden by arch/$(ARCH)/Makefile
 quiet_cmd_busybox__ ?= LINK    $@
-      cmd_busybox__ ?= scripts/trylink $(CC) -o $@ \
+      cmd_busybox__ ?= $(srctree)/scripts/trylink $(CC) -o $@ \
       -Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \
       -Wl,--start-group $(busybox-all) -Wl,--end-group \
 
@@ -798,10 +798,10 @@ include/config/MARKER: scripts/basic/split-include include/autoconf.h
 	@echo '  SPLIT   include/autoconf.h -> include/config/*'
 	@scripts/basic/split-include include/autoconf.h include/config
 	@echo '  GEN     include/bbconfigopts.h'
-	@scripts/mkconfigs >include/bbconfigopts.h
+	@$(srctree)/scripts/mkconfigs >include/bbconfigopts.h
 	@$(MAKE) $(build)=scripts
 	@echo '  GEN     include/usage_compressed.h'
-	@scripts/usage_compressed include/usage_compressed.h scripts
+	@$(srctree)/scripts/usage_compressed include/usage_compressed.h scripts
 	@touch $@
 
 # Generate some files

Makefile.custom

@@ -78,7 +78,7 @@ baseline: busybox_unstripped
 
 .PHONY: objsizes
 objsizes: busybox_unstripped
-	$(SHELL) $(srctree)/scripts/objsizes
+	$(srctree)/scripts/objsizes
 
 # Documentation Targets
 .PHONY: doc

include/bb_config.h

@@ -2,6 +2,12 @@
  * which depend on other symbols, which themself are off.
  * Provide them here by hand. Need a better idea. */
 
+#ifndef ENABLE_FEATURE_GUNZIP_UNCOMPRESS
+#define ENABLE_FEATURE_GUNZIP_UNCOMPRESS 0
+#define    USE_FEATURE_GUNZIP_UNCOMPRESS(...)
+#define   SKIP_FEATURE_GUNZIP_UNCOMPRESS(...) __VA_ARGS__
+#endif
+
 #ifndef ENABLE_KILLALL5
 #define ENABLE_KILLALL5 0
 #define    USE_KILLALL5(...)

scripts/mkmakefile

@@ -0,0 +1,36 @@
+#!/bin/sh
+# Generates a small Makefile used in the root of the output
+# directory, to allow make to be started from there.
+# The Makefile also allow for more convinient build of external modules
+
+# Usage
+# $1 - Kernel src directory
+# $2 - Output directory
+# $3 - version
+# $4 - patchlevel
+
+
+test ! -r $2/Makefile -o -O $2/Makefile || exit 0
+echo "  GEN     $2/Makefile"
+
+cat << EOF > $2/Makefile
+# Automatically generated by $0: don't edit
+
+VERSION = $3
+PATCHLEVEL = $4
+
+KERNELSRC    := $1
+KERNELOUTPUT := $2
+
+MAKEFLAGS += --no-print-directory
+
+.PHONY: all \$(MAKECMDGOALS)
+
+all:
+	\$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT)
+
+Makefile:;
+
+\$(filter-out all Makefile,\$(MAKECMDGOALS)) %/:
+	\$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$@
+EOF