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| author | Sam Ravnborg <sam@neptun.(none)> | 2007-10-15 22:17:25 +0200 |
|---|---|---|
| committer | Sam Ravnborg <sam@neptun.(none)> | 2007-10-15 22:17:25 +0200 |
| commit | 06c5040cdb13d27adad118f2fbfae905a1911b37 (patch) | |
| tree | e5e62e04ca2d6f834aed9925a13869f730656139 /Documentation/kbuild | |
| parent | 52bcc3308ae3344266f55bf98a22c1ac0201eda7 (diff) | |
| download | linux-06c5040cdb13d27adad118f2fbfae905a1911b37.tar.gz | |
kbuild: enable 'make CPPFLAGS=...' to add additional options to CPP
The variable CPPFLAGS is a wellknown variable and the usage by kbuild may result in unexpected behaviour. This patch replace use of CPPFLAGS with KBUILD_CPPFLAGS all over the tree and enabling one to use: make CPPFLAGS=... to specify additional CPP commandline options. Patch was tested on following architectures: alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k, s390 Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'Documentation/kbuild')
| -rw-r--r-- | Documentation/kbuild/makefiles.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index f4779cd1542f..08fbe6cd309d 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -1099,7 +1099,7 @@ When kbuild executes, the following steps are followed (roughly): specified options when building the target vmlinux.lds. When building the *.lds target, kbuild uses the variables: - CPPFLAGS : Set in top-level Makefile + KBUILD_CPPFLAGS : Set in top-level Makefile EXTRA_CPPFLAGS : May be set in the kbuild makefile CPPFLAGS_$(@F) : Target specific flags. Note that the full filename is used in this |