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kbuild: Update example for ccflags-y usage

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Update the ccflags-y example to match current usage.

Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Sedat Dilek 2017-07-24 17:27:05 +02:00 committed by Jonathan Corbet
parent 02bdf9da9e
commit 3d91a35367
1 changed files with 3 additions and 3 deletions
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6
Documentation/kbuild/makefiles.txt
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@ -297,9 +297,9 @@ more details, with real examples.
ccflags-y specifies options for compiling with $(CC).
Example:
# drivers/acpi/Makefile
ccflags-y := -Os
ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT
# drivers/acpi/acpica/Makefile
ccflags-y := -Os -D_LINUX -DBUILDING_ACPICA
ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT
This variable is necessary because the top Makefile owns the
variable $(KBUILD_CFLAGS) and uses it for compilation flags for the