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-rw-r--r--Documentation/kbuild/makefiles.txt6
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index 7003141a6d4f..329e740adea7 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -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