[PATCH] kbuild: more doc. cleanups

From: Randy.Dunlap
Date: Sun Aug 13 2006 - 23:35:52 EST


On Sun, 13 Aug 2006 23:09:07 +0200 Sam Ravnborg wrote:

> On Sun, Aug 13, 2006 at 01:57:54PM -0700, Randy.Dunlap wrote:
> > On Sun, 13 Aug 2006 13:54:26 -0700 Randy.Dunlap wrote:
> >
> > > Were any of these used?
> > > http://marc.theaimsgroup.com/?l=linux-kernel&m=115410865910922&w=2
>
> No. I have your original mail queued but never got around to it.
> A resubmit would be appreciated - with proper Signed-of-by:...

---
From: Randy Dunlap <rdunlap@xxxxxxxxxxxx>

Fix typos/spellos in kbuild/makefiles.txt.

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
---
Documentation/kbuild/makefiles.txt | 33 +++++++++++++++++----------------
1 files changed, 17 insertions(+), 16 deletions(-)

--- linux-2618-rc4-ext4.orig/Documentation/kbuild/makefiles.txt
+++ linux-2618-rc4-ext4/Documentation/kbuild/makefiles.txt
@@ -34,7 +34,7 @@ This document describes the Linux kernel
--- 6.1 Set variables to tweak the build to the architecture
--- 6.2 Add prerequisites to archprepare:
--- 6.3 List directories to visit when descending
- --- 6.4 Architecture specific boot images
+ --- 6.4 Architecture-specific boot images
--- 6.5 Building non-kbuild targets
--- 6.6 Commands useful for building a boot image
--- 6.7 Custom kbuild commands
@@ -124,7 +124,7 @@ more details, with real examples.
Example:
obj-y += foo.o

- This tell kbuild that there is one object in that directory, named
+ This tells kbuild that there is one object in that directory, named
foo.o. foo.o will be built from foo.c or foo.S.

If foo.o shall be built as a module, the variable obj-m is used.
@@ -353,7 +353,7 @@ more details, with real examples.
Special rules are used when the kbuild infrastructure does
not provide the required support. A typical example is
header files generated during the build process.
- Another example are the architecture specific Makefiles which
+ Another example are the architecture-specific Makefiles which
need special rules to prepare boot images etc.

Special rules are written as normal Make rules.
@@ -416,7 +416,7 @@ more details, with real examples.
#arch/i386/kernel/Makefile
vsyscall-flags += $(call ld-option, -Wl$(comma)--hash-style=sysv)

- In the above example vsyscall-flags will be assigned the option
+ In the above example, vsyscall-flags will be assigned the option
-Wl$(comma)--hash-style=sysv if it is supported by $(CC).
The second argument is optional, and if supplied will be used
if first argument is not supported.
@@ -429,7 +429,7 @@ more details, with real examples.
#arch/i386/Makefile
cflags-y += $(call cc-option,-march=pentium-mmx,-march=i586)

- In the above example cflags-y will be assigned the option
+ In the above example, cflags-y will be assigned the option
-march=pentium-mmx if supported by $(CC), otherwise -march=i586.
The second argument to cc-option is optional, and if omitted,
cflags-y will be assigned no value if first option is not supported.
@@ -650,14 +650,14 @@ Both possibilities are described in the

--- 4.7 Using hostprogs-$(CONFIG_FOO)

- A typcal pattern in a Kbuild file looks like this:
+ A typical pattern in a Kbuild file looks like this:

Example:
#scripts/Makefile
hostprogs-$(CONFIG_KALLSYMS) += kallsyms

Kbuild knows about both 'y' for built-in and 'm' for module.
- So if a config symbol evaluate to 'm', kbuild will still build
+ So if a config symbol evaluates to 'm', kbuild will still build
the binary. In other words, Kbuild handles hostprogs-m exactly
like hostprogs-y. But only hostprogs-y is recommended to be used
when no CONFIG symbols are involved.
@@ -744,10 +744,10 @@ When kbuild executes, the following step
located at the root of the obj tree.
The very first objects linked are listed in head-y, assigned by
arch/$(ARCH)/Makefile.
-7) Finally, the architecture specific part does any required post processing
+7) Finally, the architecture-specific part does any required post processing
and builds the final bootimage.
- This includes building boot records
- - Preparing initrd images and thelike
+ - Preparing initrd images and the like


--- 6.1 Set variables to tweak the build to the architecture
@@ -874,7 +874,7 @@ When kbuild executes, the following step

$(head-y) lists objects to be linked first in vmlinux.
$(libs-y) lists directories where a lib.a archive can be located.
- The rest lists directories where a built-in.o object file can be
+ The rest list directories where a built-in.o object file can be
located.

$(init-y) objects will be located after $(head-y).
@@ -882,7 +882,7 @@ When kbuild executes, the following step
$(core-y), $(libs-y), $(drivers-y) and $(net-y).

The top level Makefile defines values for all generic directories,
- and arch/$(ARCH)/Makefile only adds architecture specific directories.
+ and arch/$(ARCH)/Makefile only adds architecture-specific directories.

Example:
#arch/sparc64/Makefile
@@ -891,7 +891,7 @@ When kbuild executes, the following step
drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/


---- 6.4 Architecture specific boot images
+--- 6.4 Architecture-specific boot images

An arch Makefile specifies goals that take the vmlinux file, compress
it, wrap it in bootstrapping code, and copy the resulting files
@@ -918,7 +918,7 @@ When kbuild executes, the following step
"$(Q)$(MAKE) $(build)=<dir>" is the recommended way to invoke
make in a subdirectory.

- There are no rules for naming architecture specific targets,
+ There are no rules for naming architecture-specific targets,
but executing "make help" will list all relevant targets.
To support this, $(archhelp) must be defined.

@@ -976,7 +976,7 @@ When kbuild executes, the following step
$(call if_changed,ld/objcopy/gzip)

When the rule is evaluated, it is checked to see if any files
- needs an update, or the command line has changed since the last
+ need an update, or the command line has changed since the last
invocation. The latter will force a rebuild if any options
to the executable have changed.
Any target that utilises if_changed must be listed in $(targets),
@@ -1016,7 +1016,7 @@ When kbuild executes, the following step
In this example, there are two possible targets, requiring different
options to the linker. The linker options are specified using the
LDFLAGS_$@ syntax - one for each potential target.
- $(targets) are assinged all potential targets, by which kbuild knows
+ $(targets) are assigned all potential targets, by which kbuild knows
the targets and will:
1) check for commandline changes
2) delete target during make clean
@@ -1083,7 +1083,7 @@ When kbuild executes, the following step
assignment.

The kbuild infrastructure for *lds file are used in several
- architecture specific files.
+ architecture-specific files.


=== 7 Kbuild Variables
@@ -1127,7 +1127,7 @@ The top Makefile exports the following v

This variable defines a place for the arch Makefiles to install
the resident kernel image and System.map file.
- Use this for architecture specific install targets.
+ Use this for architecture-specific install targets.

INSTALL_MOD_PATH, MODLIB

-
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