diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-10-25 17:30:53 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-25 17:30:53 +0100 |
| commit | 0b9e31e9264f1bad89856afb96da1688292f13b4 (patch) | |
| tree | 7a9e9b6456dce993efeed8734de0a15a1f16ae94 /Documentation/kbuild/makefiles.txt | |
| parent | sched: Remove obsolete comment in sched_init() (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus (diff) | |
| download | linux-0b9e31e9264f1bad89856afb96da1688292f13b4.tar.xz linux-0b9e31e9264f1bad89856afb96da1688292f13b4.zip | |
Merge branch 'linus' into sched/core
Conflicts:
fs/proc/array.c
Merge reason: resolve conflict and queue up dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/kbuild/makefiles.txt')
| -rw-r--r-- | Documentation/kbuild/makefiles.txt | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index d76cfd8712e1..71c602d61680 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -18,6 +18,7 @@ This document describes the Linux kernel Makefiles. --- 3.9 Dependency tracking --- 3.10 Special Rules --- 3.11 $(CC) support functions + --- 3.12 $(LD) support functions === 4 Host Program support --- 4.1 Simple Host Program @@ -435,14 +436,14 @@ more details, with real examples. The second argument is optional, and if supplied will be used if first argument is not supported. - ld-option - ld-option is used to check if $(CC) when used to link object files + cc-ldoption + cc-ldoption is used to check if $(CC) when used to link object files supports the given option. An optional second option may be specified if first option are not supported. Example: #arch/i386/kernel/Makefile - vsyscall-flags += $(call ld-option, -Wl$(comma)--hash-style=sysv) + vsyscall-flags += $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) In the above example, vsyscall-flags will be assigned the option -Wl$(comma)--hash-style=sysv if it is supported by $(CC). @@ -570,6 +571,19 @@ more details, with real examples. endif endif +--- 3.12 $(LD) support functions + + ld-option + ld-option is used to check if $(LD) supports the supplied option. + ld-option takes two options as arguments. + The second argument is an optional option that can be used if the + first option is not supported by $(LD). + + Example: + #Makefile + LDFLAGS_vmlinux += $(call really-ld-option, -X) + + === 4 Host Program support Kbuild supports building executables on the host for use during the |