linux/tools/power/x86/intel-speed-select/Makefile
Khem Raj 8d9cfb6d71 tools/power/x86/intel-speed-select: Prefix header search path with sysroot
This helps when using a cross-compiler for building intel-speed-select,
currently, its hardcoded to pick libnl3 headers from build host which may
not be same as build target when cross compiling.

cc -print-sysroot will print nothing if compiler is configured without
a sysroot and result in same string as it is now.

Fixes errors with gcc configured with host include poisoning e.g.

cc1: error: include location "/usr/include/libnl3" is unsafe for
 cross-compilation [-Werror=poison-system-directories]

Signed-off-by: Khem Raj <raj.khem@gmail.com>
[ srinivas: Changelog edits for checkpatch warning ]
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2025-03-07 08:00:21 -08:00

60 lines
1.8 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0
include ../../../scripts/Makefile.include
bindir ?= /usr/bin
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif
# Do not use make's built-in rules
# (this improves performance and avoids hard-to-debug behaviour);
MAKEFLAGS += -r
override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include -I$(shell $(CC) -print-sysroot)/usr/include/libnl3
override LDFLAGS += -lnl-genl-3 -lnl-3
ALL_TARGETS := intel-speed-select
ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
all: $(ALL_PROGRAMS)
export srctree OUTPUT CC LD CFLAGS
include $(srctree)/tools/build/Makefile.include
#
# We need the following to be outside of kernel tree
#
$(OUTPUT)include/linux/isst_if.h: ../../../../include/uapi/linux/isst_if.h
mkdir -p $(OUTPUT)include/linux 2>&1 || true
ln -sf $(CURDIR)/../../../../include/uapi/linux/isst_if.h $@
$(OUTPUT)include/linux/thermal.h: ../../../../include/uapi/linux/thermal.h
mkdir -p $(OUTPUT)include/linux 2>&1 || true
ln -sf $(CURDIR)/../../../../include/uapi/linux/thermal.h $@
prepare: $(OUTPUT)include/linux/isst_if.h $(OUTPUT)include/linux/thermal.h
ISST_IN := $(OUTPUT)intel-speed-select-in.o
$(ISST_IN): prepare FORCE
$(Q)$(MAKE) $(build)=intel-speed-select
$(OUTPUT)intel-speed-select: $(ISST_IN)
$(QUIET_LINK)$(CC) $(CFLAGS) $< $(LDFLAGS) -o $@
clean:
rm -f $(ALL_PROGRAMS)
rm -rf $(OUTPUT)include/linux/isst_if.h
find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
install: $(ALL_PROGRAMS)
install -d -m 755 $(DESTDIR)$(bindir); \
for program in $(ALL_PROGRAMS); do \
install $$program $(DESTDIR)$(bindir); \
done
FORCE:
.PHONY: all install clean FORCE prepare