Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2include ../../scripts/Makefile.include
3include ../../scripts/utilities.mak # QUIET_CLEAN
4
5ifeq ($(srctree),)
6srctree := $(patsubst %/,%,$(dir $(CURDIR)))
7srctree := $(patsubst %/,%,$(dir $(srctree)))
8srctree := $(patsubst %/,%,$(dir $(srctree)))
9#$(info Determined 'srctree' to be $(srctree))
10endif
11
12CC ?= $(CROSS_COMPILE)gcc
13LD ?= $(CROSS_COMPILE)ld
14AR ?= $(CROSS_COMPILE)ar
15
16RM = rm -f
17
18MAKEFLAGS += --no-print-directory
19
20LIBFILE = $(OUTPUT)libsubcmd.a
21
22CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
23CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
24
25ifeq ($(CC_NO_CLANG), 0)
26 CFLAGS += -O3
27else
28 CFLAGS += -O6
29endif
30
31# Treat warnings as errors unless directed not to
32ifneq ($(WERROR),0)
33 CFLAGS += -Werror
34endif
35
36CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
37
38CFLAGS += -I$(srctree)/tools/include/
39
40SUBCMD_IN := $(OUTPUT)libsubcmd-in.o
41
42all:
43
44export srctree OUTPUT CC LD CFLAGS V
45include $(srctree)/tools/build/Makefile.include
46
47all: fixdep $(LIBFILE)
48
49$(SUBCMD_IN): FORCE
50 @$(MAKE) $(build)=libsubcmd
51
52$(LIBFILE): $(SUBCMD_IN)
53 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SUBCMD_IN)
54
55clean:
56 $(call QUIET_CLEAN, libsubcmd) $(RM) $(LIBFILE); \
57 find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
58
59FORCE:
60
61.PHONY: clean FORCE