1################################################################################
2#
3# spidev_test
4#
5################################################################################
6
7# Build the latest version that is compatible with the toolchain's kernel headers
8# v3.15+ requires SPI_TX_QUAD/SPI_RX_QUAD to build
9# Normally kernel headers can't be newer than kernel so switch based on that.
10# If you need quad-pumped spi support you need to upgrade your toolchain.
11# Note that the location of spidev_test.c changes from v4.5 onwards.
12
13ifeq ($(BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_8),y)
14SPIDEV_TEST_VERSION = 5.8
15SPIDEV_TEST_PATH = tools/spi
16else ifeq ($(BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15),y)
17SPIDEV_TEST_VERSION = 4.10
18SPIDEV_TEST_PATH = tools/spi
19else
20SPIDEV_TEST_VERSION = 3.0
21SPIDEV_TEST_PATH = Documentation/spi
22endif
23
24SPIDEV_TEST_SITE = http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/plain/$(SPIDEV_TEST_PATH)
25SPIDEV_TEST_SOURCE = spidev_test.c?id=v$(SPIDEV_TEST_VERSION)
26SPIDEV_TEST_LICENSE = GPL-2.0
27
28# musl libc requires linux/ioctl.h for _IOC_SIZEBITS. Do a sed patch to keep
29# compatibility with different spidev_test.c versions that we support.
30define SPIDEV_TEST_ADD_LINUX_IOCTL
31	$(SED) 's~^#include <sys/ioctl.h>~#include <sys/ioctl.h>\n#include <linux/ioctl.h>~' \
32		$(@D)/spidev_test.c
33endef
34
35SPIDEV_TEST_POST_PATCH_HOOKS += SPIDEV_TEST_ADD_LINUX_IOCTL
36
37define SPIDEV_TEST_EXTRACT_CMDS
38	cp $(SPIDEV_TEST_DL_DIR)/$(SPIDEV_TEST_SOURCE) $(@D)/spidev_test.c
39endef
40
41define SPIDEV_TEST_BUILD_CMDS
42	$(TARGET_MAKE_ENV) $(TARGET_CC) $(TARGET_CFLAGS) \
43		-o $(@D)/spidev_test $(@D)/spidev_test.c
44endef
45
46define SPIDEV_TEST_INSTALL_TARGET_CMDS
47	$(INSTALL) -D -m 755 $(@D)/spidev_test \
48		$(TARGET_DIR)/usr/sbin/spidev_test
49endef
50
51$(eval $(generic-package))
52