diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 50 |
1 files changed, 38 insertions, 12 deletions
@@ -309,6 +309,9 @@ CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE) CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -fno-common +# Force gcc to behave correct even for buggy distributions +CFLAGS += $(call cc-option, -fno-stack-protector-all \ + -fno-stack-protector) AFLAGS := -D__ASSEMBLY__ # Read KERNELRELEASE from include/config/kernel.release (if it exists) @@ -809,8 +812,8 @@ endif # prepare2 creates a makefile if using a separate output directory prepare2: prepare3 outputmakefile -prepare1: prepare2 include/linux/version.h include/asm \ - include/config/auto.conf +prepare1: prepare2 include/linux/version.h include/linux/utsrelease.h \ + include/asm include/config/auto.conf ifneq ($(KBUILD_MODULES),) $(Q)mkdir -p $(MODVERDIR) $(Q)rm -f $(MODVERDIR)/* @@ -845,21 +848,26 @@ include/asm: # needs to be updated, so this check is forced on all builds uts_len := 64 +define filechk_utsrelease.h + if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \ + echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \ + exit 1; \ + fi; \ + (echo \#define UTS_RELEASE \"$(KERNELRELEASE)\";) +endef define filechk_version.h - if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \ - echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \ - exit 1; \ - fi; \ - (echo \#define UTS_RELEASE \"$(KERNELRELEASE)\"; \ - echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)`; \ - echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))'; \ - ) + (echo \#define LINUX_VERSION_CODE $(shell \ + expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + $(SUBLEVEL)); \ + echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';) endef -include/linux/version.h: $(srctree)/Makefile include/config/kernel.release FORCE +include/linux/version.h: $(srctree)/Makefile FORCE $(call filechk,version.h) +include/linux/utsrelease.h: include/config/kernel.release FORCE + $(call filechk,utsrelease.h) + # --------------------------------------------------------------------------- PHONY += depend dep @@ -867,6 +875,21 @@ depend dep: @echo '*** Warning: make $@ is unnecessary now.' # --------------------------------------------------------------------------- +# Kernel headers +INSTALL_HDR_PATH=$(MODLIB)/abi +export INSTALL_HDR_PATH + +PHONY += headers_install +headers_install: include/linux/version.h + $(Q)unifdef -Ux /dev/null + $(Q)rm -rf $(INSTALL_HDR_PATH)/include + $(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.headersinst obj=include + +PHONY += headers_check +headers_check: headers_install + $(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.headersinst obj=include HDRCHECK=1 + +# --------------------------------------------------------------------------- # Modules ifdef CONFIG_MODULES @@ -952,7 +975,8 @@ CLEAN_FILES += vmlinux System.map \ # Directories & files removed with 'make mrproper' MRPROPER_DIRS += include/config include2 MRPROPER_FILES += .config .config.old include/asm .version .old_version \ - include/linux/autoconf.h include/linux/version.h \ + include/linux/autoconf.h include/linux/version.h \ + include/linux/utsrelease.h \ Module.symvers tags TAGS cscope* # clean - Delete most, but leave enough to build external modules @@ -1039,6 +1063,8 @@ 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' + @echo ' (default: /lib/modules/$$VERSION/abi)' @echo '' @echo 'Static analysers' @echo ' checkstack - Generate a list of stack hogs' |