X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Makefile;h=4c6c5e32ef96e3d12da975e682ee8a3f6ebc37e3;hb=212f26398f63bc905ea28f55b31d4ecd4a21a33b;hp=241fed3a74a6b795df8621d2a5b62ab033fe7bcd;hpb=1ef988569051d47e990fe5bbea22fb9b64152098;p=pandora-kernel.git

diff --git a/Makefile b/Makefile
index 241fed3a74a6..4c6c5e32ef96 100644
--- a/Makefile
+++ b/Makefile
@@ -921,10 +921,21 @@ depend dep:
 INSTALL_HDR_PATH=$(objtree)/usr
 export INSTALL_HDR_PATH
 
+HDRARCHES=$(filter-out generic,$(patsubst $(srctree)/include/asm-%/Kbuild,%,$(wildcard $(srctree)/include/asm-*/Kbuild)))
+
+PHONY += headers_install_all
+headers_install_all: include/linux/version.h scripts_basic FORCE
+	$(Q)$(MAKE) $(build)=scripts scripts/unifdef
+	$(Q)for arch in $(HDRARCHES); do \
+	 $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch ;\
+	 done
+
 PHONY += headers_install
 headers_install: include/linux/version.h scripts_basic FORCE
+	@if [ ! -r include/asm-$(ARCH)/Kbuild ]; then \
+	  echo '*** Error: Headers not exportable for this architecture ($(ARCH))'; \
+	  exit 1 ; fi
 	$(Q)$(MAKE) $(build)=scripts scripts/unifdef
-	$(Q)rm -rf $(INSTALL_HDR_PATH)/include
 	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst obj=include
 
 PHONY += headers_check
@@ -1086,9 +1097,10 @@ boards := $(notdir $(boards))
 
 help:
 	@echo  'Cleaning targets:'
-	@echo  '  clean		  - remove most generated files but keep the config'
+	@echo  '  clean		  - remove most generated files but keep the config and'
+	@echo  '                    enough build support to build external modules'
 	@echo  '  mrproper	  - remove all generated files + config + various backup files'
-	@echo  '  distclean	  - mrproper + patch files'
+	@echo  '  distclean	  - mrproper + remove editor backup and patch files'
 	@echo  ''
 	@echo  'Configuration targets:'
 	@$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
@@ -1106,13 +1118,17 @@ help:
 	@echo  '  cscope	  - Generate cscope index'
 	@echo  '  kernelrelease	  - Output the release version string'
 	@echo  '  kernelversion	  - Output the version stored in Makefile'
-	@echo  '  headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'
+	@if [ -r include/asm-$(ARCH)/Kbuild ]; then \
+	 echo  '  headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
+	 fi
 	@echo  '                    (default: $(INSTALL_HDR_PATH))'
 	@echo  ''
 	@echo  'Static analysers'
 	@echo  '  checkstack      - Generate a list of stack hogs'
 	@echo  '  namespacecheck  - Name space analysis on compiled kernel'
-	@echo  '  headers_check   - Sanity check on exported headers'
+	@if [ -r include/asm-$(ARCH)/Kbuild ]; then \
+	 echo  '  headers_check   - Sanity check on exported headers'; \
+	 fi
 	@echo  ''
 	@echo  'Kernel packaging:'
 	@$(MAKE) $(build)=$(package-dir) help
@@ -1369,9 +1385,13 @@ endif #ifeq ($(config-targets),1)
 endif #ifeq ($(mixed-targets),1)
 
 PHONY += checkstack kernelrelease kernelversion
+
+# Use $(SUBARCH) here instead of $(ARCH) so that this works for UML.
+# In the UML case, $(SUBARCH) is the name of the underlying
+# architecture, while for all other arches, it is the same as $(ARCH).
 checkstack:
 	$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
-	$(PERL) $(src)/scripts/checkstack.pl $(ARCH)
+	$(PERL) $(src)/scripts/checkstack.pl $(SUBARCH)
 
 kernelrelease:
 	$(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \