forked from Minki/linux
kbuild: more doc. cleanups
Fix typos/spellos in kbuild/makefiles.txt. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Adrian Bunk <bunk@stusta.de>
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@ -34,7 +34,7 @@ This document describes the Linux kernel Makefiles.
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--- 6.1 Set variables to tweak the build to the architecture
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--- 6.2 Add prerequisites to archprepare:
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--- 6.3 List directories to visit when descending
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--- 6.4 Architecture specific boot images
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--- 6.4 Architecture-specific boot images
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--- 6.5 Building non-kbuild targets
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--- 6.6 Commands useful for building a boot image
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--- 6.7 Custom kbuild commands
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@ -124,7 +124,7 @@ more details, with real examples.
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Example:
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obj-y += foo.o
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This tell kbuild that there is one object in that directory, named
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This tells kbuild that there is one object in that directory, named
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foo.o. foo.o will be built from foo.c or foo.S.
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If foo.o shall be built as a module, the variable obj-m is used.
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@ -353,7 +353,7 @@ more details, with real examples.
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Special rules are used when the kbuild infrastructure does
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not provide the required support. A typical example is
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header files generated during the build process.
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Another example are the architecture specific Makefiles which
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Another example are the architecture-specific Makefiles which
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need special rules to prepare boot images etc.
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Special rules are written as normal Make rules.
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@ -416,7 +416,7 @@ more details, with real examples.
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#arch/i386/kernel/Makefile
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vsyscall-flags += $(call ld-option, -Wl$(comma)--hash-style=sysv)
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In the above example vsyscall-flags will be assigned the option
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In the above example, vsyscall-flags will be assigned the option
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-Wl$(comma)--hash-style=sysv if it is supported by $(CC).
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The second argument is optional, and if supplied will be used
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if first argument is not supported.
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@ -434,7 +434,7 @@ more details, with real examples.
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#arch/i386/Makefile
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cflags-y += $(call cc-option,-march=pentium-mmx,-march=i586)
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In the above example cflags-y will be assigned the option
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In the above example, cflags-y will be assigned the option
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-march=pentium-mmx if supported by $(CC), otherwise -march=i586.
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The second argument to cc-option is optional, and if omitted,
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cflags-y will be assigned no value if first option is not supported.
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@ -750,10 +750,10 @@ When kbuild executes, the following steps are followed (roughly):
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located at the root of the obj tree.
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The very first objects linked are listed in head-y, assigned by
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arch/$(ARCH)/Makefile.
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7) Finally, the architecture specific part does any required post processing
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7) Finally, the architecture-specific part does any required post processing
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and builds the final bootimage.
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- This includes building boot records
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- Preparing initrd images and thelike
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- Preparing initrd images and the like
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--- 6.1 Set variables to tweak the build to the architecture
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@ -880,7 +880,7 @@ When kbuild executes, the following steps are followed (roughly):
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$(head-y) lists objects to be linked first in vmlinux.
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$(libs-y) lists directories where a lib.a archive can be located.
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The rest lists directories where a built-in.o object file can be
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The rest list directories where a built-in.o object file can be
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located.
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$(init-y) objects will be located after $(head-y).
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@ -888,7 +888,7 @@ When kbuild executes, the following steps are followed (roughly):
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$(core-y), $(libs-y), $(drivers-y) and $(net-y).
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The top level Makefile defines values for all generic directories,
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and arch/$(ARCH)/Makefile only adds architecture specific directories.
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and arch/$(ARCH)/Makefile only adds architecture-specific directories.
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Example:
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#arch/sparc64/Makefile
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@ -897,7 +897,7 @@ When kbuild executes, the following steps are followed (roughly):
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drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/
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--- 6.4 Architecture specific boot images
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--- 6.4 Architecture-specific boot images
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An arch Makefile specifies goals that take the vmlinux file, compress
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it, wrap it in bootstrapping code, and copy the resulting files
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@ -924,7 +924,7 @@ When kbuild executes, the following steps are followed (roughly):
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"$(Q)$(MAKE) $(build)=<dir>" is the recommended way to invoke
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make in a subdirectory.
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There are no rules for naming architecture specific targets,
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There are no rules for naming architecture-specific targets,
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but executing "make help" will list all relevant targets.
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To support this, $(archhelp) must be defined.
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@ -982,7 +982,7 @@ When kbuild executes, the following steps are followed (roughly):
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$(call if_changed,ld/objcopy/gzip)
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When the rule is evaluated, it is checked to see if any files
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needs an update, or the command line has changed since the last
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need an update, or the command line has changed since the last
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invocation. The latter will force a rebuild if any options
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to the executable have changed.
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Any target that utilises if_changed must be listed in $(targets),
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@ -1089,7 +1089,7 @@ When kbuild executes, the following steps are followed (roughly):
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assignment.
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The kbuild infrastructure for *lds file are used in several
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architecture specific files.
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architecture-specific files.
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=== 7 Kbuild Variables
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@ -1133,7 +1133,7 @@ The top Makefile exports the following variables:
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This variable defines a place for the arch Makefiles to install
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the resident kernel image and System.map file.
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Use this for architecture specific install targets.
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Use this for architecture-specific install targets.
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INSTALL_MOD_PATH, MODLIB
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