diff options
Diffstat (limited to 'Documentation/kbuild/kbuild.txt')
| -rw-r--r-- | Documentation/kbuild/kbuild.txt | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt index f1431d099fce..68e32bb6bd80 100644 --- a/Documentation/kbuild/kbuild.txt +++ b/Documentation/kbuild/kbuild.txt @@ -26,11 +26,11 @@ Additional options to the assembler (for built-in and modules). AFLAGS_MODULE -------------------------------------------------- -Addtional module specific options to use for $(AS). +Additional module specific options to use for $(AS). AFLAGS_KERNEL -------------------------------------------------- -Addtional options for $(AS) when used for assembler +Additional options for $(AS) when used for assembler code for code that is compiled as built-in. KCFLAGS @@ -39,12 +39,12 @@ Additional options to the C compiler (for built-in and modules). CFLAGS_KERNEL -------------------------------------------------- -Addtional options for $(CC) when used to compile +Additional options for $(CC) when used to compile code that is compiled as built-in. CFLAGS_MODULE -------------------------------------------------- -Addtional module specific options to use for $(CC). +Additional module specific options to use for $(CC). LDFLAGS_MODULE -------------------------------------------------- @@ -201,3 +201,16 @@ KBUILD_ENABLE_EXTRA_GCC_CHECKS -------------------------------------------------- If enabled over the make command line with "W=1", it turns on additional gcc -W... options for more extensive build-time checking. + +KBUILD_BUILD_TIMESTAMP +-------------------------------------------------- +Setting this to a date string overrides the timestamp used in the +UTS_VERSION definition (uname -v in the running kernel). The value has to +be a string that can be passed to date -d. The default value +is the output of the date command at one point during build. + +KBUILD_BUILD_USER, KBUILD_BUILD_HOST +-------------------------------------------------- +These two variables allow to override the user@host string displayed during +boot and in /proc/version. The default value is the output of the commands +whoami and host, respectively. |