kbuild: clarify "make C=" build option

Clarify the use of "make C=" in the top-level Makefile, and fix a
typo in the Documentation file.

Signed-off-by: Sam Ravnborg <[email protected]>
This commit is contained in:
Robert P. J. Day 2006-09-13 07:57:50 -04:00 • committed by Sam Ravnborg
commit 1c7bafe720
2 changed files with 13 additions and 7 deletions

View file

@ -41,9 +41,15 @@ ifndef KBUILD_VERBOSE
KBUILD_VERBOSE = 0
endif
# Call checker as part of compilation of C files
# Use 'make C=1' to enable checking (sparse, by default)
# Override with 'make C=1 CHECK=checker_executable CHECKFLAGS=....'
# Call a source code checker (by default, "sparse") as part of the
# C compilation.
#
# Use 'make C=1' to enable checking of only re-compiled files.
# Use 'make C=2' to enable checking of *all* source files, regardless
# of whether they are re-compiled or not.
#
# See the file "Documentation/sparse.txt" for more details, including
# where to get the "sparse" utility.
ifdef C
ifeq ("$(origin C)", "command line")