diff options
| -rw-r--r-- | Documentation/sparse.txt | 8 | ||||
| -rw-r--r-- | Makefile | 12 |
2 files changed, 13 insertions, 7 deletions
diff --git a/Documentation/sparse.txt b/Documentation/sparse.txt index 5a311c38dd1a..f9c99c9a54f9 100644 --- a/Documentation/sparse.txt +++ b/Documentation/sparse.txt @@ -69,10 +69,10 @@ recompiled, or use "make C=2" to run sparse on the files whether they need to be recompiled or not. The latter is a fast way to check the whole tree if you have already built it. -The optional make variable CF can be used to pass arguments to sparse. The -build system passes -Wbitwise to sparse automatically. To perform endianness -checks, you may define __CHECK_ENDIAN__: +The optional make variable CHECKFLAGS can be used to pass arguments to sparse. +The build system passes -Wbitwise to sparse automatically. To perform +endianness checks, you may define __CHECK_ENDIAN__: - make C=2 CF="-D__CHECK_ENDIAN__" + make C=2 CHECKFLAGS="-D__CHECK_ENDIAN__" These checks are disabled by default as they generate a host of warnings. @@ -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") |