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| author | Takashi Iwai <tiwai@suse.de> | 2010-08-18 15:17:30 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-08-18 15:17:30 +0200 |
| commit | 6ab561c8aab2e4af535f09adbc6253f958536848 (patch) | |
| tree | 37846adb4ea106485720d113e252d71d615c23ed /Documentation/kbuild/kbuild.txt | |
| parent | 4f4e8f69895c8696a4bcc751817d4b186023ac44 (diff) | |
| parent | cbaa9f60d5d5c3af10f94e0d49789d5b82341a4a (diff) | |
| download | linux-6ab561c8aab2e4af535f09adbc6253f958536848.tar.gz linux-6ab561c8aab2e4af535f09adbc6253f958536848.tar.bz2 linux-6ab561c8aab2e4af535f09adbc6253f958536848.zip | |
Merge branch 'topic/isa' into topic/misc
Diffstat (limited to 'Documentation/kbuild/kbuild.txt')
| -rw-r--r-- | Documentation/kbuild/kbuild.txt | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt index 634c625da8ce..1e5165aa9e4e 100644 --- a/Documentation/kbuild/kbuild.txt +++ b/Documentation/kbuild/kbuild.txt @@ -22,11 +22,33 @@ building C files and assembler files. KAFLAGS -------------------------------------------------- -Additional options to the assembler. +Additional options to the assembler (for built-in and modules). + +AFLAGS_MODULE +-------------------------------------------------- +Addtional module specific options to use for $(AS). + +AFLAGS_KERNEL +-------------------------------------------------- +Addtional options for $(AS) when used for assembler +code for code that is compiled as built-in. KCFLAGS -------------------------------------------------- -Additional options to the C compiler. +Additional options to the C compiler (for built-in and modules). + +CFLAGS_KERNEL +-------------------------------------------------- +Addtional options for $(CC) when used to compile +code that is compiled as built-in. + +CFLAGS_MODULE +-------------------------------------------------- +Addtional module specific options to use for $(CC). + +LDFLAGS_MODULE +-------------------------------------------------- +Additional options used for $(LD) when linking modules. KBUILD_VERBOSE -------------------------------------------------- @@ -40,15 +62,15 @@ Set the directory to look for the kernel source when building external modules. The directory can be specified in several ways: 1) Use "M=..." on the command line -2) Environmnet variable KBUILD_EXTMOD -3) Environmnet variable SUBDIRS +2) Environment variable KBUILD_EXTMOD +3) Environment variable SUBDIRS The possibilities are listed in the order they take precedence. Using "M=..." will always override the others. KBUILD_OUTPUT -------------------------------------------------- Specify the output directory when building the kernel. -The output directory can also be specificed using "O=...". +The output directory can also be specified using "O=...". Setting "O=..." takes precedence over KBUILD_OUTPUT. ARCH @@ -90,7 +112,7 @@ The script will be called with the following arguments: $3 - kernel map file $4 - default install path (use root directory if blank) -The implmentation of "make install" is architecture specific +The implementation of "make install" is architecture specific and it may differ from the above. INSTALLKERNEL is provided to enable the possibility to |