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-rw-r--r--Documentation/kbuild/kbuild.txt13
1 files changed, 9 insertions, 4 deletions
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt
index 8f63b224ab0..7c2a89ba674 100644
--- a/Documentation/kbuild/kbuild.txt
+++ b/Documentation/kbuild/kbuild.txt
@@ -26,11 +26,11 @@ Additional options to the assembler (for built-in and modules).
AFLAGS_MODULE
--------------------------------------------------
-Addtional module specific options to use for $(AS).
+Additional module specific options to use for $(AS).
AFLAGS_KERNEL
--------------------------------------------------
-Addtional options for $(AS) when used for assembler
+Additional options for $(AS) when used for assembler
code for code that is compiled as built-in.
KCFLAGS
@@ -39,12 +39,12 @@ Additional options to the C compiler (for built-in and modules).
CFLAGS_KERNEL
--------------------------------------------------
-Addtional options for $(CC) when used to compile
+Additional options for $(CC) when used to compile
code that is compiled as built-in.
CFLAGS_MODULE
--------------------------------------------------
-Addtional module specific options to use for $(CC).
+Additional module specific options to use for $(CC).
LDFLAGS_MODULE
--------------------------------------------------
@@ -196,3 +196,8 @@ to be included in the databases, separated by blank space. E.g.:
To get all available archs you can also specify all. E.g.:
$ make ALLSOURCE_ARCHS=all tags
+
+KBUILD_ENABLE_EXTRA_GCC_CHECKS
+--------------------------------------------------
+If enabled over the make command line with "W=1", it turns on additional
+gcc -W... options for more extensive build-time checking.