[1/2] kbuild: asm-generic support

Commit Message

Michal Marek Jan. 14, 2011, 2:43 p.m. UTC

None

Patch

diff --git a/Makefile b/Makefile
index 5a29426..6ede051 100644
--- a/Makefile
+++ b/Makefile
@@ -416,7 +416,7 @@  endif
 # Support for using generic headers in asm-generic
 PHONY += asm-generic
 asm-generic:
-	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/asm-generic.sh $(SRCARCH)
+	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic obj=arch/$(SRCARCH)/include/generated/asm
 
 # To make sure we do not include .config for any of the *config targets
 # catch them early, and hand them over to scripts/kconfig/Makefile
diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic
new file mode 100644
index 0000000..b4f2547
--- /dev/null
+++ b/scripts/Makefile.asm-generic
@@ -0,0 +1,26 @@ 
+# include/asm-generic contains a lot of files that are used
+# verbatim by several architectures.
+#
+# This Makefile reads the file arch/$(SRCARCH)/include/asm/Kbuild
+# and for each file listed in this file with generic-y creates
+# a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/asm)
+
+kbuild-file := $(srctree)/arch/$(SRCARCH)/include/asm/Kbuild
+include $(kbuild-file)
+
+include scripts/Kbuild.include
+
+
+ifneq ($(KBUILD_SRC),)
+# Create output directory if not already present
+_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
+endif
+
+quiet_cmd_wrap = WRAP    $@
+cmd_wrap = echo "\#include <asm-generic/$*.h>" >$@
+
+all: $(patsubst %, $(obj)/%, $(generic-y))
+
+$(obj)/%.h:
+	$(call cmd,wrap)
+