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authorLv Zheng <lv.zheng@intel.com>2017-04-11 15:48:05 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-04-11 22:11:09 +0200
commit6895baa6a64fa9499e4d11696d59b3522c527ed0 (patch)
treec1ae8fde2408cf0e003c21c0e04ffff115dbf2c3 /drivers/acpi
parent39da7c509acff13fc8cb12ec1bb20337c988ed36 (diff)
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ACPICA: Add non-linux host build support
_LINUX: used to detect a target build is a linux kernel/application. __linux__: used to detect a build is on a linux hosts. Thus we can see: if a linux kernel build is performed on environments other than linux hosts, __linux__ may not be defined by the compiler and _LINUX cannot cover linux kernel resident ACPICA files, as it's only defined in <linux/acpi.h> and hence only allows non ACPICA kernel files to correctly include aclinux.h. As a conclusion, we don't actually support such build. This patch adds -D_LINUX for ACPICA files so that kernel builds on any hosts can use unified _LINUX as a linux kernel target indication to correctly include aclinux.h. Tested-by: Al Stone <ahs3@redhat.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/acpica/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index 32d93edbc479..dea65306b687 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -2,7 +2,7 @@
# Makefile for ACPICA Core interpreter
#
-ccflags-y := -Os -DBUILDING_ACPICA
+ccflags-y := -Os -D_LINUX -DBUILDING_ACPICA
ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT
# use acpi.o to put all files here into acpi.o modparam namespace