1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # Makefile for nolibc installation and tests 2 # Makefile for nolibc installation and tests
3 include ../../scripts/Makefile.include 3 include ../../scripts/Makefile.include
4 4
5 # we're in ".../tools/include/nolibc" 5 # we're in ".../tools/include/nolibc"
6 ifeq ($(srctree),) 6 ifeq ($(srctree),)
7 srctree := $(patsubst %/tools/include/,%,$(dir 7 srctree := $(patsubst %/tools/include/,%,$(dir $(CURDIR)))
8 endif 8 endif
9 9
10 # when run as make -C tools/ nolibc_<foo> the <<
11 ifeq ($(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 10 nolibc_arch := $(patsubst arm64,aarch64,$(ARCH))
27 arch_file := arch-$(nolibc_arch).h 11 arch_file := arch-$(nolibc_arch).h
28 all_files := \ !! 12 all_files := ctype.h errno.h nolibc.h signal.h std.h stdio.h stdlib.h string.h \
29 compiler.h \ !! 13 sys.h time.h types.h unistd.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 14
49 # install all headers needed to support a bare 15 # install all headers needed to support a bare-metal compiler
50 all: headers !! 16 all:
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 17
69 # Note: when ARCH is "x86" we concatenate both 18 # Note: when ARCH is "x86" we concatenate both x86_64 and i386
70 headers: 19 headers:
71 $(Q)mkdir -p $(OUTPUT)sysroot 20 $(Q)mkdir -p $(OUTPUT)sysroot
72 $(Q)mkdir -p $(OUTPUT)sysroot/include 21 $(Q)mkdir -p $(OUTPUT)sysroot/include
73 $(Q)cp $(all_files) $(OUTPUT)sysroot/i 22 $(Q)cp $(all_files) $(OUTPUT)sysroot/include/
74 $(Q)if [ "$(ARCH)" = "x86" ]; then 23 $(Q)if [ "$(ARCH)" = "x86" ]; then \
75 sed -e 24 sed -e \
76 's,^#ifndef _NOLIBC_ARCH_X86 25 's,^#ifndef _NOLIBC_ARCH_X86_64_H,#if !defined(_NOLIBC_ARCH_X86_64_H) \&\& defined(__x86_64__),' \
77 arch-x86_64.h; 26 arch-x86_64.h; \
78 sed -e 27 sed -e \
79 's,^#ifndef _NOLIBC_ARCH_I38 28 's,^#ifndef _NOLIBC_ARCH_I386_H,#if !defined(_NOLIBC_ARCH_I386_H) \&\& !defined(__x86_64__),' \
80 arch-i386.h; 29 arch-i386.h; \
81 elif [ -e "$(arch_file)" ]; then 30 elif [ -e "$(arch_file)" ]; then \
82 cat $(arch_file); 31 cat $(arch_file); \
83 else 32 else \
84 echo "Fatal: architecture $(AR 33 echo "Fatal: architecture $(ARCH) not yet supported by nolibc." >&2; \
85 exit 1; 34 exit 1; \
86 fi > $(OUTPUT)sysroot/include/arch.h 35 fi > $(OUTPUT)sysroot/include/arch.h
87 36
88 headers_standalone: headers 37 headers_standalone: headers
89 $(Q)$(MAKE) -C $(srctree) headers 38 $(Q)$(MAKE) -C $(srctree) headers
90 $(Q)$(MAKE) -C $(srctree) headers_inst !! 39 $(Q)$(MAKE) -C $(srctree) headers_install INSTALL_HDR_PATH=$(OUTPUT)/sysroot
91 40
92 clean: 41 clean:
93 $(call QUIET_CLEAN, nolibc) rm -rf "$( 42 $(call QUIET_CLEAN, nolibc) rm -rf "$(OUTPUT)sysroot"
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