GENH = include/bits/alltypes.h
CFLAGS = -Os -nostdinc -ffreestanding -std=c99 -D_XOPEN_SOURCE=700 -pipe
-LDFLAGS = -nostdlib -shared -Wl,-Bsymbolic
+LDFLAGS = -nostdlib -shared -fPIC -Wl,-e,_start -Wl,-Bsymbolic-functions
INC = -I./include -I./src/internal -I./arch/$(ARCH)
-PIC = -fPIC
+PIC = -fPIC -O3
AR = $(CROSS_COMPILE)ar
RANLIB = $(CROSS_COMPILE)ranlib
OBJCOPY = $(CROSS_COMPILE)objcopy
ALL_INCLUDES = $(sort $(wildcard include/*.h include/*/*.h) $(GENH))
-EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv
+EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv dl
EMPTY_LIBS = $(EMPTY_LIB_NAMES:%=lib/lib%.a)
CRT_LIBS = lib/crt1.o lib/crti.o lib/crtn.o
LIBC_LIBS = lib/libc.a
ALL_LIBS = $(LIBC_LIBS) $(CRT_LIBS) $(EMPTY_LIBS)
+ALL_LDSO = lib/ld-musl-$(ARCH).so.1
ALL_TOOLS = tools/musl-gcc
-include config.mak
-all: $(ALL_LIBS) $(ALL_TOOLS)
+all: $(ALL_LIBS) $(ALL_TOOLS) $(ALL_LDSO)
-install: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%) $(ALL_TOOLS:tools/%=$(DESTDIR)$(bindir)/%)
+install: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%) $(ALL_TOOLS:tools/%=$(DESTDIR)$(bindir)/%) $(ALL_LDSO:%=$(DESTDIR)/%) $(ALL_LDSO:%/ld-musl-$(ARCH).so.1=$(DESTDIR)$(libdir)/libc.so)
clean:
rm -f crt/*.o
rm -f $(OBJS)
rm -f $(LOBJS)
- rm -f $(ALL_LIBS) lib/*
+ rm -f $(ALL_LIBS) lib/*.[ao] lib/*.so
rm -f $(ALL_TOOLS)
rm -f $(GENH)
rm -f include/bits
%.lo: %.c $(GENH)
$(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $<
-lib/libc.so: $(LOBJS)
- $(CC) $(LDFLAGS) -o $@ $(LOBJS) -lgcc
+lib/ld-musl-$(ARCH).so.1: $(LOBJS)
+ $(CC) $(LDFLAGS) -Wl,-soname=libc.so.1 -o $@ $(LOBJS) -lgcc
$(OBJCOPY) --weaken $@
lib/libc.a: $(OBJS)
cp $< $@
tools/musl-gcc: tools/gen-musl-gcc.sh config.mak
- sh $< "$(prefix)" > $@ || { rm -f $@ ; exit 1 ; }
+ sh $< "$(prefix)" "$(ARCH)" > $@ || { rm -f $@ ; exit 1 ; }
chmod +x $@
$(DESTDIR)$(bindir)/%: tools/%
install -D $< $@
-$(DESTDIR)$(prefix)/%: %
+$(DESTDIR)$(libdir)/%: lib/%
install -D -m 644 $< $@
+$(DESTDIR)$(includedir)/%: include/%
+ install -D -m 644 $< $@
+
+$(DESTDIR)/lib/ld-musl-$(ARCH).so.1: lib/ld-musl-$(ARCH).so.1
+ install -D -m 755 $< $@
+
+$(DESTDIR)$(libdir)/libc.so: lib/ld-musl-$(ARCH).so.1
+ ln -sf /lib/ld-musl-$(ARCH).so.1 $@
+
.PRECIOUS: $(CRT_LIBS:lib/%=crt/%)
.PHONY: all clean install