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320054e8 DG |
1 | # |
2 | # Makefile for musl (requires GNU make) | |
3 | # | |
4 | # This is how simple every makefile should be... | |
5 | # No, I take that back - actually most should be less than half this size. | |
6 | # | |
7 | # Use config.mak to override any of the following variables. | |
8 | # Do not make changes here. | |
9 | # | |
10 | ||
11 | srcdir = . | |
12 | exec_prefix = /usr/local | |
13 | bindir = $(exec_prefix)/bin | |
14 | ||
15 | prefix = /usr/local/musl | |
16 | includedir = $(prefix)/include | |
17 | libdir = $(prefix)/lib | |
18 | syslibdir = /lib | |
19 | ||
58795582 DG |
20 | MALLOC_DIR = mallocng |
21 | SRC_DIRS = $(addprefix $(srcdir)/,src/* src/malloc/$(MALLOC_DIR) crt ldso $(COMPAT_SRC_DIRS)) | |
320054e8 DG |
22 | BASE_GLOBS = $(addsuffix /*.c,$(SRC_DIRS)) |
23 | ARCH_GLOBS = $(addsuffix /$(ARCH)/*.[csS],$(SRC_DIRS)) | |
24 | BASE_SRCS = $(sort $(wildcard $(BASE_GLOBS))) | |
25 | ARCH_SRCS = $(sort $(wildcard $(ARCH_GLOBS))) | |
26 | BASE_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(BASE_SRCS))) | |
27 | ARCH_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(ARCH_SRCS))) | |
28 | REPLACED_OBJS = $(sort $(subst /$(ARCH)/,/,$(ARCH_OBJS))) | |
29 | ALL_OBJS = $(addprefix obj/, $(filter-out $(REPLACED_OBJS), $(sort $(BASE_OBJS) $(ARCH_OBJS)))) | |
30 | ||
575e1579 | 31 | LIBC_OBJS = $(filter obj/src/%,$(ALL_OBJS)) $(filter obj/compat/%,$(ALL_OBJS)) |
320054e8 DG |
32 | LDSO_OBJS = $(filter obj/ldso/%,$(ALL_OBJS:%.o=%.lo)) |
33 | CRT_OBJS = $(filter obj/crt/%,$(ALL_OBJS)) | |
34 | ||
35 | AOBJS = $(LIBC_OBJS) | |
36 | LOBJS = $(LIBC_OBJS:.o=.lo) | |
37 | GENH = obj/include/bits/alltypes.h obj/include/bits/syscall.h | |
38 | GENH_INT = obj/src/internal/version.h | |
39 | IMPH = $(addprefix $(srcdir)/, src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/locale_impl.h src/internal/libc.h) | |
40 | ||
41 | LDFLAGS = | |
42 | LDFLAGS_AUTO = | |
43 | LIBCC = -lgcc | |
44 | CPPFLAGS = | |
45 | CFLAGS = | |
46 | CFLAGS_AUTO = -Os -pipe | |
47 | CFLAGS_C99FSE = -std=c99 -ffreestanding -nostdinc | |
48 | ||
49 | CFLAGS_ALL = $(CFLAGS_C99FSE) | |
50 | CFLAGS_ALL += -D_XOPEN_SOURCE=700 -I$(srcdir)/arch/$(ARCH) -I$(srcdir)/arch/generic -Iobj/src/internal -I$(srcdir)/src/include -I$(srcdir)/src/internal -Iobj/include -I$(srcdir)/include | |
51 | CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS_AUTO) $(CFLAGS) | |
52 | ||
53 | LDFLAGS_ALL = $(LDFLAGS_AUTO) $(LDFLAGS) | |
54 | ||
55 | AR = $(CROSS_COMPILE)ar | |
56 | RANLIB = $(CROSS_COMPILE)ranlib | |
57 | INSTALL = $(srcdir)/tools/install.sh | |
58 | ||
59 | ARCH_INCLUDES = $(wildcard $(srcdir)/arch/$(ARCH)/bits/*.h) | |
60 | GENERIC_INCLUDES = $(wildcard $(srcdir)/arch/generic/bits/*.h) | |
61 | INCLUDES = $(wildcard $(srcdir)/include/*.h $(srcdir)/include/*/*.h) | |
62 | ALL_INCLUDES = $(sort $(INCLUDES:$(srcdir)/%=%) $(GENH:obj/%=%) $(ARCH_INCLUDES:$(srcdir)/arch/$(ARCH)/%=include/%) $(GENERIC_INCLUDES:$(srcdir)/arch/generic/%=include/%)) | |
63 | ||
64 | EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv dl | |
65 | EMPTY_LIBS = $(EMPTY_LIB_NAMES:%=lib/lib%.a) | |
66 | CRT_LIBS = $(addprefix lib/,$(notdir $(CRT_OBJS))) | |
67 | STATIC_LIBS = lib/libc.a | |
68 | SHARED_LIBS = lib/libc.so | |
69 | TOOL_LIBS = lib/musl-gcc.specs | |
70 | ALL_LIBS = $(CRT_LIBS) $(STATIC_LIBS) $(SHARED_LIBS) $(EMPTY_LIBS) $(TOOL_LIBS) | |
71 | ALL_TOOLS = obj/musl-gcc | |
72 | ||
73 | WRAPCC_GCC = gcc | |
74 | WRAPCC_CLANG = clang | |
75 | ||
76 | LDSO_PATHNAME = $(syslibdir)/ld-musl-$(ARCH)$(SUBARCH).so.1 | |
77 | ||
78 | -include config.mak | |
575e1579 | 79 | -include $(srcdir)/arch/$(ARCH)/arch.mak |
320054e8 DG |
80 | |
81 | ifeq ($(ARCH),) | |
82 | ||
83 | all: | |
84 | @echo "Please set ARCH in config.mak before running make." | |
85 | @exit 1 | |
86 | ||
87 | else | |
88 | ||
89 | all: $(ALL_LIBS) $(ALL_TOOLS) | |
90 | ||
91 | OBJ_DIRS = $(sort $(patsubst %/,%,$(dir $(ALL_LIBS) $(ALL_TOOLS) $(ALL_OBJS) $(GENH) $(GENH_INT))) obj/include) | |
92 | ||
93 | $(ALL_LIBS) $(ALL_TOOLS) $(ALL_OBJS) $(ALL_OBJS:%.o=%.lo) $(GENH) $(GENH_INT): | $(OBJ_DIRS) | |
94 | ||
95 | $(OBJ_DIRS): | |
96 | mkdir -p $@ | |
97 | ||
98 | obj/include/bits/alltypes.h: $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in $(srcdir)/tools/mkalltypes.sed | |
99 | sed -f $(srcdir)/tools/mkalltypes.sed $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in > $@ | |
100 | ||
101 | obj/include/bits/syscall.h: $(srcdir)/arch/$(ARCH)/bits/syscall.h.in | |
102 | cp $< $@ | |
103 | sed -n -e s/__NR_/SYS_/p < $< >> $@ | |
104 | ||
105 | obj/src/internal/version.h: $(wildcard $(srcdir)/VERSION $(srcdir)/.git) | |
106 | printf '#define VERSION "%s"\n' "$$(cd $(srcdir); sh tools/version.sh)" > $@ | |
107 | ||
108 | obj/src/internal/version.o obj/src/internal/version.lo: obj/src/internal/version.h | |
109 | ||
110 | obj/crt/rcrt1.o obj/ldso/dlstart.lo obj/ldso/dynlink.lo: $(srcdir)/src/internal/dynlink.h $(srcdir)/arch/$(ARCH)/reloc.h | |
111 | ||
112 | obj/crt/crt1.o obj/crt/scrt1.o obj/crt/rcrt1.o obj/ldso/dlstart.lo: $(srcdir)/arch/$(ARCH)/crt_arch.h | |
113 | ||
114 | obj/crt/rcrt1.o: $(srcdir)/ldso/dlstart.c | |
115 | ||
116 | obj/crt/Scrt1.o obj/crt/rcrt1.o: CFLAGS_ALL += -fPIC | |
117 | ||
118 | OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=$(srcdir)/src/%)) | |
119 | $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.o) $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.lo): CFLAGS += -O3 | |
120 | ||
121 | MEMOPS_OBJS = $(filter %/memcpy.o %/memmove.o %/memcmp.o %/memset.o, $(LIBC_OBJS)) | |
122 | $(MEMOPS_OBJS) $(MEMOPS_OBJS:%.o=%.lo): CFLAGS_ALL += $(CFLAGS_MEMOPS) | |
123 | ||
124 | NOSSP_OBJS = $(CRT_OBJS) $(LDSO_OBJS) $(filter \ | |
125 | %/__libc_start_main.o %/__init_tls.o %/__stack_chk_fail.o \ | |
126 | %/__set_thread_area.o %/memset.o %/memcpy.o \ | |
127 | , $(LIBC_OBJS)) | |
128 | $(NOSSP_OBJS) $(NOSSP_OBJS:%.o=%.lo): CFLAGS_ALL += $(CFLAGS_NOSSP) | |
129 | ||
130 | $(CRT_OBJS): CFLAGS_ALL += -DCRT | |
131 | ||
132 | $(LOBJS) $(LDSO_OBJS): CFLAGS_ALL += -fPIC | |
133 | ||
134 | CC_CMD = $(CC) $(CFLAGS_ALL) -c -o $@ $< | |
135 | ||
136 | # Choose invocation of assembler to be used | |
137 | ifeq ($(ADD_CFI),yes) | |
138 | AS_CMD = LC_ALL=C awk -f $(srcdir)/tools/add-cfi.common.awk -f $(srcdir)/tools/add-cfi.$(ARCH).awk $< | $(CC) $(CFLAGS_ALL) -x assembler -c -o $@ - | |
139 | else | |
140 | AS_CMD = $(CC_CMD) | |
141 | endif | |
142 | ||
143 | obj/%.o: $(srcdir)/%.s | |
144 | $(AS_CMD) | |
145 | ||
146 | obj/%.o: $(srcdir)/%.S | |
147 | $(CC_CMD) | |
148 | ||
149 | obj/%.o: $(srcdir)/%.c $(GENH) $(IMPH) | |
150 | $(CC_CMD) | |
151 | ||
152 | obj/%.lo: $(srcdir)/%.s | |
153 | $(AS_CMD) | |
154 | ||
155 | obj/%.lo: $(srcdir)/%.S | |
156 | $(CC_CMD) | |
157 | ||
158 | obj/%.lo: $(srcdir)/%.c $(GENH) $(IMPH) | |
159 | $(CC_CMD) | |
160 | ||
161 | lib/libc.so: $(LOBJS) $(LDSO_OBJS) | |
162 | $(CC) $(CFLAGS_ALL) $(LDFLAGS_ALL) -nostdlib -shared \ | |
163 | -Wl,-e,_dlstart -o $@ $(LOBJS) $(LDSO_OBJS) $(LIBCC) | |
164 | ||
165 | lib/libc.a: $(AOBJS) | |
166 | rm -f $@ | |
167 | $(AR) rc $@ $(AOBJS) | |
168 | $(RANLIB) $@ | |
169 | ||
170 | $(EMPTY_LIBS): | |
171 | rm -f $@ | |
172 | $(AR) rc $@ | |
173 | ||
174 | lib/%.o: obj/crt/$(ARCH)/%.o | |
175 | cp $< $@ | |
176 | ||
177 | lib/%.o: obj/crt/%.o | |
178 | cp $< $@ | |
179 | ||
180 | lib/musl-gcc.specs: $(srcdir)/tools/musl-gcc.specs.sh config.mak | |
181 | sh $< "$(includedir)" "$(libdir)" "$(LDSO_PATHNAME)" > $@ | |
182 | ||
183 | obj/musl-gcc: config.mak | |
184 | printf '#!/bin/sh\nexec "$${REALGCC:-$(WRAPCC_GCC)}" "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@ | |
185 | chmod +x $@ | |
186 | ||
187 | obj/%-clang: $(srcdir)/tools/%-clang.in config.mak | |
188 | sed -e 's!@CC@!$(WRAPCC_CLANG)!g' -e 's!@PREFIX@!$(prefix)!g' -e 's!@INCDIR@!$(includedir)!g' -e 's!@LIBDIR@!$(libdir)!g' -e 's!@LDSO@!$(LDSO_PATHNAME)!g' $< > $@ | |
189 | chmod +x $@ | |
190 | ||
191 | $(DESTDIR)$(bindir)/%: obj/% | |
192 | $(INSTALL) -D $< $@ | |
193 | ||
194 | $(DESTDIR)$(libdir)/%.so: lib/%.so | |
195 | $(INSTALL) -D -m 755 $< $@ | |
196 | ||
197 | $(DESTDIR)$(libdir)/%: lib/% | |
198 | $(INSTALL) -D -m 644 $< $@ | |
199 | ||
200 | $(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/$(ARCH)/bits/% | |
201 | $(INSTALL) -D -m 644 $< $@ | |
202 | ||
203 | $(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/generic/bits/% | |
204 | $(INSTALL) -D -m 644 $< $@ | |
205 | ||
206 | $(DESTDIR)$(includedir)/bits/%: obj/include/bits/% | |
207 | $(INSTALL) -D -m 644 $< $@ | |
208 | ||
209 | $(DESTDIR)$(includedir)/%: $(srcdir)/include/% | |
210 | $(INSTALL) -D -m 644 $< $@ | |
211 | ||
212 | $(DESTDIR)$(LDSO_PATHNAME): $(DESTDIR)$(libdir)/libc.so | |
213 | $(INSTALL) -D -l $(libdir)/libc.so $@ || true | |
214 | ||
215 | install-libs: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(if $(SHARED_LIBS),$(DESTDIR)$(LDSO_PATHNAME),) | |
216 | ||
217 | install-headers: $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%) | |
218 | ||
219 | install-tools: $(ALL_TOOLS:obj/%=$(DESTDIR)$(bindir)/%) | |
220 | ||
221 | install: install-libs install-headers install-tools | |
222 | ||
223 | musl-git-%.tar.gz: .git | |
224 | git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@) | |
225 | ||
226 | musl-%.tar.gz: .git | |
227 | git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@) | |
228 | ||
229 | endif | |
230 | ||
231 | clean: | |
232 | rm -rf obj lib | |
233 | ||
234 | distclean: clean | |
235 | rm -f config.mak | |
236 | ||
237 | .PHONY: all clean install install-libs install-headers install-tools |