X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=Makefile;h=81bdedac2376381ac523af15a530f20e2b61dc7a;hb=45fe4e1a42028b821757e0b98f9b33bf435a108a;hp=1a30e2579815269675b30e5e2d0dd6303771c508;hpb=c93e15272d8c032644e5dbca986fad0cfb4911bf;p=lttng-modules.git

diff --git a/Makefile b/Makefile
index 1a30e257..81bdedac 100644
--- a/Makefile
+++ b/Makefile
@@ -15,22 +15,45 @@ else # KERNELRELEASE
 
 KERNELDIR ?= /lib/modules/$(shell uname -r)/build
 PWD := $(shell pwd)
-CFLAGS = $(EXTCFLAGS)
+
+# Experimental bitwise enum defaults to disabled.
+CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM ?= n
+
+# Emulate Kconfig behavior of setting defines for config options.
+LKCPPFLAGS = $(KCPPFLAGS)
+ifeq ($(CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM),y)
+LKCPPFLAGS += -DCONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM=y
+endif
 
 default: modules
 
 modules:
-	$(MAKE) -C $(KERNELDIR) M=$(PWD)/src CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules
+	$(MAKE) -C $(KERNELDIR) M=$(PWD)/src \
+		CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m \
+		KCPPFLAGS='$(LKCPPFLAGS)' \
+		modules
 
 modules_install:
-	$(MAKE) -C $(KERNELDIR) M=$(PWD)/src CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules_install
+	$(MAKE) -C $(KERNELDIR) M=$(PWD)/src \
+		CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m \
+		KCPPFLAGS='$(LKCPPFLAGS)' \
+		modules_install
 
 clean:
 	$(MAKE) -C $(KERNELDIR) M=$(PWD)/src clean
 
-# The following target is used for development and debugging. It's not part of
-# the build system.
+# The following targets are used for development and debugging. They are not
+# part of the build system.
 %.i: %.c
-	$(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m $@
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) \
+		CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m \
+		KCPPFLAGS='$(LKCPPFLAGS)' \
+		$@
+
+%.o: %.c
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) \
+		CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m \
+		KCPPFLAGS='$(LKCPPFLAGS)' \
+		$@
 
 endif # KERNELRELEASE