238 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			Makefile
		
	
	
	
			
		
		
	
	
			238 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			Makefile
		
	
	
	
| #
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| # Makefile for musl (requires GNU make)
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| #
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| # This is how simple every makefile should be...
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| # No, I take that back - actually most should be less than half this size.
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| #
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| # Use config.mak to override any of the following variables.
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| # Do not make changes here.
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| #
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| 
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| srcdir = .
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| exec_prefix = /usr/local
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| bindir = $(exec_prefix)/bin
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| 
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| prefix = /usr/local/musl
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| includedir = $(prefix)/include
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| libdir = $(prefix)/lib
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| syslibdir = /lib
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| 
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| MALLOC_DIR = mallocng
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| SRC_DIRS = $(addprefix $(srcdir)/,src/* src/malloc/$(MALLOC_DIR) crt ldso $(COMPAT_SRC_DIRS))
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| BASE_GLOBS = $(addsuffix /*.c,$(SRC_DIRS))
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| ARCH_GLOBS = $(addsuffix /$(ARCH)/*.[csS],$(SRC_DIRS))
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| BASE_SRCS = $(sort $(wildcard $(BASE_GLOBS)))
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| ARCH_SRCS = $(sort $(wildcard $(ARCH_GLOBS)))
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| BASE_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(BASE_SRCS)))
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| ARCH_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(ARCH_SRCS)))
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| REPLACED_OBJS = $(sort $(subst /$(ARCH)/,/,$(ARCH_OBJS)))
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| ALL_OBJS = $(addprefix obj/, $(filter-out $(REPLACED_OBJS), $(sort $(BASE_OBJS) $(ARCH_OBJS))))
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| 
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| LIBC_OBJS = $(filter obj/src/%,$(ALL_OBJS)) $(filter obj/compat/%,$(ALL_OBJS))
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| LDSO_OBJS = $(filter obj/ldso/%,$(ALL_OBJS:%.o=%.lo))
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| CRT_OBJS = $(filter obj/crt/%,$(ALL_OBJS))
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| 
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| AOBJS = $(LIBC_OBJS)
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| LOBJS = $(LIBC_OBJS:.o=.lo)
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| GENH = obj/include/bits/alltypes.h obj/include/bits/syscall.h
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| GENH_INT = obj/src/internal/version.h
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| IMPH = $(addprefix $(srcdir)/, src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/locale_impl.h src/internal/libc.h)
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| 
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| LDFLAGS =
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| LDFLAGS_AUTO =
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| LIBCC = -lgcc
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| CPPFLAGS =
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| CFLAGS =
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| CFLAGS_AUTO = -Os -pipe
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| CFLAGS_C99FSE = -std=c99 -ffreestanding -nostdinc 
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| 
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| CFLAGS_ALL = $(CFLAGS_C99FSE)
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| CFLAGS_ALL += -D_XOPEN_SOURCE=700 -I$(srcdir)/arch/$(ARCH) -I$(srcdir)/arch/generic -Iobj/src/internal -I$(srcdir)/src/include -I$(srcdir)/src/internal -Iobj/include -I$(srcdir)/include
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| CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS_AUTO) $(CFLAGS)
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| 
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| LDFLAGS_ALL = $(LDFLAGS_AUTO) $(LDFLAGS)
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| 
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| AR      = $(CROSS_COMPILE)ar
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| RANLIB  = $(CROSS_COMPILE)ranlib
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| INSTALL = $(srcdir)/tools/install.sh
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| 
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| ARCH_INCLUDES = $(wildcard $(srcdir)/arch/$(ARCH)/bits/*.h)
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| GENERIC_INCLUDES = $(wildcard $(srcdir)/arch/generic/bits/*.h)
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| INCLUDES = $(wildcard $(srcdir)/include/*.h $(srcdir)/include/*/*.h)
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| ALL_INCLUDES = $(sort $(INCLUDES:$(srcdir)/%=%) $(GENH:obj/%=%) $(ARCH_INCLUDES:$(srcdir)/arch/$(ARCH)/%=include/%) $(GENERIC_INCLUDES:$(srcdir)/arch/generic/%=include/%))
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| 
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| EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv dl
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| EMPTY_LIBS = $(EMPTY_LIB_NAMES:%=lib/lib%.a)
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| CRT_LIBS = $(addprefix lib/,$(notdir $(CRT_OBJS)))
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| STATIC_LIBS = lib/libc.a
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| SHARED_LIBS = lib/libc.so
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| TOOL_LIBS = lib/musl-gcc.specs
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| ALL_LIBS = $(CRT_LIBS) $(STATIC_LIBS) $(SHARED_LIBS) $(EMPTY_LIBS) $(TOOL_LIBS)
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| ALL_TOOLS = obj/musl-gcc
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| 
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| WRAPCC_GCC = gcc
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| WRAPCC_CLANG = clang
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| 
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| LDSO_PATHNAME = $(syslibdir)/ld-musl-$(ARCH)$(SUBARCH).so.1
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| 
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| -include config.mak
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| -include $(srcdir)/arch/$(ARCH)/arch.mak
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| 
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| ifeq ($(ARCH),)
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| 
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| all:
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| 	@echo "Please set ARCH in config.mak before running make."
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| 	@exit 1
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| 
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| else
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| 
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| all: $(ALL_LIBS) $(ALL_TOOLS)
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| 
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| OBJ_DIRS = $(sort $(patsubst %/,%,$(dir $(ALL_LIBS) $(ALL_TOOLS) $(ALL_OBJS) $(GENH) $(GENH_INT))) obj/include)
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| 
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| $(ALL_LIBS) $(ALL_TOOLS) $(ALL_OBJS) $(ALL_OBJS:%.o=%.lo) $(GENH) $(GENH_INT): | $(OBJ_DIRS)
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| 
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| $(OBJ_DIRS):
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| 	mkdir -p $@
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| 
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| obj/include/bits/alltypes.h: $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in $(srcdir)/tools/mkalltypes.sed
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| 	sed -f $(srcdir)/tools/mkalltypes.sed $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in > $@
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| 
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| obj/include/bits/syscall.h: $(srcdir)/arch/$(ARCH)/bits/syscall.h.in
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| 	cp $< $@
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| 	sed -n -e s/__NR_/SYS_/p < $< >> $@
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| 
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| obj/src/internal/version.h: $(wildcard $(srcdir)/VERSION $(srcdir)/.git)
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| 	printf '#define VERSION "%s"\n' "$$(cd $(srcdir); sh tools/version.sh)" > $@
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| 
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| obj/src/internal/version.o obj/src/internal/version.lo: obj/src/internal/version.h
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| 
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| obj/crt/rcrt1.o obj/ldso/dlstart.lo obj/ldso/dynlink.lo: $(srcdir)/src/internal/dynlink.h $(srcdir)/arch/$(ARCH)/reloc.h
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| 
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| obj/crt/crt1.o obj/crt/scrt1.o obj/crt/rcrt1.o obj/ldso/dlstart.lo: $(srcdir)/arch/$(ARCH)/crt_arch.h
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| 
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| obj/crt/rcrt1.o: $(srcdir)/ldso/dlstart.c
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| 
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| obj/crt/Scrt1.o obj/crt/rcrt1.o: CFLAGS_ALL += -fPIC
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| 
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| OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=$(srcdir)/src/%))
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| $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.o) $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.lo): CFLAGS += -O3
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| 
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| MEMOPS_OBJS = $(filter %/memcpy.o %/memmove.o %/memcmp.o %/memset.o, $(LIBC_OBJS))
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| $(MEMOPS_OBJS) $(MEMOPS_OBJS:%.o=%.lo): CFLAGS_ALL += $(CFLAGS_MEMOPS)
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| 
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| NOSSP_OBJS = $(CRT_OBJS) $(LDSO_OBJS) $(filter \
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| 	%/__libc_start_main.o %/__init_tls.o %/__stack_chk_fail.o \
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| 	%/__set_thread_area.o %/memset.o %/memcpy.o \
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| 	, $(LIBC_OBJS))
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| $(NOSSP_OBJS) $(NOSSP_OBJS:%.o=%.lo): CFLAGS_ALL += $(CFLAGS_NOSSP)
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| 
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| $(CRT_OBJS): CFLAGS_ALL += -DCRT
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| 
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| $(LOBJS) $(LDSO_OBJS): CFLAGS_ALL += -fPIC
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| 
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| CC_CMD = $(CC) $(CFLAGS_ALL) -c -o $@ $<
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| 
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| # Choose invocation of assembler to be used
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| ifeq ($(ADD_CFI),yes)
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| 	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 $@ -
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| else
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| 	AS_CMD = $(CC_CMD)
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| endif
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| 
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| obj/%.o: $(srcdir)/%.s
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| 	$(AS_CMD)
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| 
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| obj/%.o: $(srcdir)/%.S
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| 	$(CC_CMD)
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| 
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| obj/%.o: $(srcdir)/%.c $(GENH) $(IMPH)
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| 	$(CC_CMD)
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| 
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| obj/%.lo: $(srcdir)/%.s
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| 	$(AS_CMD)
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| 
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| obj/%.lo: $(srcdir)/%.S
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| 	$(CC_CMD)
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| 
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| obj/%.lo: $(srcdir)/%.c $(GENH) $(IMPH)
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| 	$(CC_CMD)
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| 
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| lib/libc.so: $(LOBJS) $(LDSO_OBJS)
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| 	$(CC) $(CFLAGS_ALL) $(LDFLAGS_ALL) -nostdlib -shared \
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| 	-Wl,-e,_dlstart -o $@ $(LOBJS) $(LDSO_OBJS) $(LIBCC)
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| 
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| lib/libc.a: $(AOBJS)
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| 	rm -f $@
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| 	$(AR) rc $@ $(AOBJS)
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| 	$(RANLIB) $@
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| 
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| $(EMPTY_LIBS):
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| 	rm -f $@
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| 	$(AR) rc $@
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| 
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| lib/%.o: obj/crt/$(ARCH)/%.o
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| 	cp $< $@
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| 
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| lib/%.o: obj/crt/%.o
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| 	cp $< $@
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| 
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| lib/musl-gcc.specs: $(srcdir)/tools/musl-gcc.specs.sh config.mak
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| 	sh $< "$(includedir)" "$(libdir)" "$(LDSO_PATHNAME)" > $@
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| 
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| obj/musl-gcc: config.mak
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| 	printf '#!/bin/sh\nexec "$${REALGCC:-$(WRAPCC_GCC)}" "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@
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| 	chmod +x $@
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| 
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| obj/%-clang: $(srcdir)/tools/%-clang.in config.mak
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| 	sed -e 's!@CC@!$(WRAPCC_CLANG)!g' -e 's!@PREFIX@!$(prefix)!g' -e 's!@INCDIR@!$(includedir)!g' -e 's!@LIBDIR@!$(libdir)!g' -e 's!@LDSO@!$(LDSO_PATHNAME)!g' $< > $@
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| 	chmod +x $@
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| 
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| $(DESTDIR)$(bindir)/%: obj/%
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| 	$(INSTALL) -D $< $@
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| 
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| $(DESTDIR)$(libdir)/%.so: lib/%.so
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| 	$(INSTALL) -D -m 755 $< $@
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| 
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| $(DESTDIR)$(libdir)/%: lib/%
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| 	$(INSTALL) -D -m 644 $< $@
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| 
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| $(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/$(ARCH)/bits/%
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| 	$(INSTALL) -D -m 644 $< $@
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| 
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| $(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/generic/bits/%
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| 	$(INSTALL) -D -m 644 $< $@
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| 
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| $(DESTDIR)$(includedir)/bits/%: obj/include/bits/%
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| 	$(INSTALL) -D -m 644 $< $@
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| 
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| $(DESTDIR)$(includedir)/%: $(srcdir)/include/%
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| 	$(INSTALL) -D -m 644 $< $@
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| 
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| $(DESTDIR)$(LDSO_PATHNAME): $(DESTDIR)$(libdir)/libc.so
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| 	$(INSTALL) -D -l $(libdir)/libc.so $@ || true
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| 
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| install-libs: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(if $(SHARED_LIBS),$(DESTDIR)$(LDSO_PATHNAME),)
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| 
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| install-headers: $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%)
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| 
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| install-tools: $(ALL_TOOLS:obj/%=$(DESTDIR)$(bindir)/%)
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| 
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| install: install-libs install-headers install-tools
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| 
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| musl-git-%.tar.gz: .git
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| 	 git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@)
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| 
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| musl-%.tar.gz: .git
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| 	 git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@)
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| 
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| endif
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| 
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| clean:
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| 	rm -rf obj lib
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| 
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| distclean: clean
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| 	rm -f config.mak
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| 
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| .PHONY: all clean install install-libs install-headers install-tools
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