diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 17:10:07 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 17:10:07 -0400 |
commit | da9e82b3b8989fc09e2a4c45b9da604ba2b4c46d (patch) | |
tree | 7355d2afe95be27fddb8fa4baa46476c76aeb8ee /Documentation/kbuild/makefiles.txt | |
parent | 90d3417a3a4e810d67081dd106f0e603a856978f (diff) | |
parent | 772320e84588dcbe1600ffb83e5f328f2209ac2a (diff) |
Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
modpost: support objects with more than 64k sections
trivial: fix a typo in a filename
frv: clean up arch/frv/Makefile
kbuild: allow assignment to {A,C}FLAGS_KERNEL on the command line
kbuild: allow assignment to {A,C,LD}FLAGS_MODULE on the command line
Kbuild: Add option to set -femit-struct-debug-baseonly
Makefile: "make kernelrelease" should show the correct full kernel version
Makefile.build: make KBUILD_SYMTYPES work again
Diffstat (limited to 'Documentation/kbuild/makefiles.txt')
-rw-r--r-- | Documentation/kbuild/makefiles.txt | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index 8abd041b605d..c375313cb128 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt | |||
@@ -921,16 +921,33 @@ When kbuild executes, the following steps are followed (roughly): | |||
921 | The first example utilises the trick that a config option expands | 921 | The first example utilises the trick that a config option expands |
922 | to 'y' when selected. | 922 | to 'y' when selected. |
923 | 923 | ||
924 | CFLAGS_KERNEL $(CC) options specific for built-in | 924 | KBUILD_AFLAGS_KERNEL $(AS) options specific for built-in |
925 | 925 | ||
926 | $(CFLAGS_KERNEL) contains extra C compiler flags used to compile | 926 | $(KBUILD_AFLAGS_KERNEL) contains extra C compiler flags used to compile |
927 | resident kernel code. | 927 | resident kernel code. |
928 | 928 | ||
929 | CFLAGS_MODULE $(CC) options specific for modules | 929 | KBUILD_AFLAGS_MODULE Options for $(AS) when building modules |
930 | 930 | ||
931 | $(CFLAGS_MODULE) contains extra C compiler flags used to compile code | 931 | $(KBUILD_AFLAGS_MODULE) is used to add arch specific options that |
932 | for loadable kernel modules. | 932 | are used for $(AS). |
933 | From commandline AFLAGS_MODULE shall be used (see kbuild.txt). | ||
933 | 934 | ||
935 | KBUILD_CFLAGS_KERNEL $(CC) options specific for built-in | ||
936 | |||
937 | $(KBUILD_CFLAGS_KERNEL) contains extra C compiler flags used to compile | ||
938 | resident kernel code. | ||
939 | |||
940 | KBUILD_CFLAGS_MODULE Options for $(CC) when building modules | ||
941 | |||
942 | $(KBUILD_CFLAGS_MODULE) is used to add arch specific options that | ||
943 | are used for $(CC). | ||
944 | From commandline CFLAGS_MODULE shall be used (see kbuild.txt). | ||
945 | |||
946 | KBUILD_LDFLAGS_MODULE Options for $(LD) when linking modules | ||
947 | |||
948 | $(KBUILD_LDFLAGS_MODULE) is used to add arch specific options | ||
949 | used when linking modules. This is often a linker script. | ||
950 | From commandline LDFLAGS_MODULE shall be used (see kbuild.txt). | ||
934 | 951 | ||
935 | --- 6.2 Add prerequisites to archprepare: | 952 | --- 6.2 Add prerequisites to archprepare: |
936 | 953 | ||