1 # SPDX-License-Identifier: GPL-2.0
2 # Makefile for nolibc installation and tests
3 include ../../scripts/Makefile.include
4
5 # we're in ".../tools/include/nolibc"
6 ifeq ($(srctree),)
7 srctree := $(patsubst %/tools/include/,%,$(dir
8 endif
9
10 # when run as make -C tools/ nolibc_<foo> the
11 ifeq ($(ARCH),)
12 include $(srctree)/scripts/subarch.include
13 ARCH = $(SUBARCH)
14 endif
15
16 # OUTPUT is only set when run from the main ma
17 # it defaults to this nolibc directory.
18 OUTPUT ?= $(CURDIR)/
19
20 ifeq ($(V),1)
21 Q=
22 else
23 Q=@
24 endif
25
26 nolibc_arch := $(patsubst arm64,aarch64,$(ARCH
27 arch_file := arch-$(nolibc_arch).h
28 all_files := \
29 compiler.h \
30 crt.h \
31 ctype.h \
32 errno.h \
33 nolibc.h \
34 signal.h \
35 stackprotector.h \
36 std.h \
37 stdarg.h \
38 stdbool.h \
39 stdint.h \
40 stdlib.h \
41 string.h \
42 sys.h \
43 time.h \
44 types.h \
45 unistd.h \
46 stdio.h \
47
48
49 # install all headers needed to support a bare
50 all: headers
51
52 install: help
53
54 help:
55 @echo "Supported targets under nolibc:
56 @echo " all call \"he
57 @echo " clean clean the
58 @echo " headers prepare a
59 @echo " headers_standalone like \"he
60 @echo " help this help
61 @echo ""
62 @echo "These targets may also be calle
63 @echo ""
64 @echo "Currently using the following v
65 @echo " ARCH = $(ARCH)"
66 @echo " OUTPUT = $(OUTPUT)"
67 @echo ""
68
69 # Note: when ARCH is "x86" we concatenate both
70 headers:
71 $(Q)mkdir -p $(OUTPUT)sysroot
72 $(Q)mkdir -p $(OUTPUT)sysroot/include
73 $(Q)cp $(all_files) $(OUTPUT)sysroot/i
74 $(Q)if [ "$(ARCH)" = "x86" ]; then
75 sed -e
76 's,^#ifndef _NOLIBC_ARCH_X86
77 arch-x86_64.h;
78 sed -e
79 's,^#ifndef _NOLIBC_ARCH_I38
80 arch-i386.h;
81 elif [ -e "$(arch_file)" ]; then
82 cat $(arch_file);
83 else
84 echo "Fatal: architecture $(AR
85 exit 1;
86 fi > $(OUTPUT)sysroot/include/arch.h
87
88 headers_standalone: headers
89 $(Q)$(MAKE) -C $(srctree) headers
90 $(Q)$(MAKE) -C $(srctree) headers_inst
91
92 clean:
93 $(call QUIET_CLEAN, nolibc) rm -rf "$(
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