diff options
Diffstat (limited to 'Documentation/kbuild')
| -rw-r--r-- | Documentation/kbuild/kbuild.txt | 16 | ||||
| -rw-r--r-- | Documentation/kbuild/makefiles.txt | 18 |
2 files changed, 29 insertions, 5 deletions
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt index 634c625da8c..d9c655433ec 100644 --- a/Documentation/kbuild/kbuild.txt +++ b/Documentation/kbuild/kbuild.txt @@ -22,11 +22,23 @@ 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). KCFLAGS -------------------------------------------------- -Additional options to the C compiler. +Additional options to the C compiler (for built-in and modules). + +CFLAGS_MODULE +-------------------------------------------------- +Addtional module specific options to use for $(CC). + +LDFLAGS_MODULE +-------------------------------------------------- +Additional options used for $(LD) when linking modules. KBUILD_VERBOSE -------------------------------------------------- diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index 71c602d6168..802341abf70 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -928,11 +928,23 @@ When kbuild executes, the following steps are followed (roughly): $(CFLAGS_KERNEL) contains extra C compiler flags used to compile resident kernel code. - CFLAGS_MODULE $(CC) options specific for modules + KBUILD_AFLAGS_MODULE Options for $(AS) when building modules - $(CFLAGS_MODULE) contains extra C compiler flags used to compile code - for loadable kernel modules. + $(KBUILD_AFLAGS_MODULE) is used to add arch specific options that + are used for $(AS). + From commandline AFLAGS_MODULE shall be used (see kbuild.txt). + KBUILD_CFLAGS_MODULE Options for $(CC) when building modules + + $(KBUILD_CFLAGS_MODULE) is used to add arch specific options that + are used for $(CC). + From commandline CFLAGS_MODULE shall be used (see kbuild.txt). + + KBUILD_LDFLAGS_MODULE Options for $(LD) when linking modules + + $(KBUILD_LDFLAGS_MODULE) is used to add arch specific options + used when linking modules. This is often a linker script. + From commandline LDFLAGS_MODULE shall be used (see kbuild.txt). --- 6.2 Add prerequisites to archprepare: |