prefix = /usr/local/musl
includedir = $(prefix)/include
libdir = $(prefix)/lib
+syslibdir = /lib
SRCS = $(sort $(wildcard src/*/*.c))
OBJS = $(SRCS:.c=.o)
GENH = include/bits/alltypes.h
CFLAGS = -Os -nostdinc -ffreestanding -std=c99 -D_XOPEN_SOURCE=700 -pipe
-LDFLAGS = -nostdlib -shared -Wl,-Bsymbolic
-INC = -I./include -I./src/internal
-PIC = -fPIC
+LDFLAGS = -nostdlib -shared -fPIC -Wl,-e,_start -Wl,-Bsymbolic-functions
+INC = -I./include -I./src/internal -I./arch/$(ARCH)
+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)
-
+STATIC_LIBS = lib/libc.a $(EMPTY_LIBS)
+SHARED_LIBS = lib/libc.so
+ALL_LIBS = $(CRT_LIBS) $(STATIC_LIBS) $(SHARED_LIBS)
ALL_TOOLS = tools/musl-gcc
+LDSO_PATHNAME = $(syslibdir)/ld-musl-$(ARCH).so.1
+
-include config.mak
all: $(ALL_LIBS) $(ALL_TOOLS)
-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)/%) $(DESTDIR)$(LDSO_PATHNAME)
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 $(GENH)
+ rm -f include/bits
+
+include/bits:
+ @test "$(ARCH)" || { echo "Please set ARCH in config.mak before running make." ; exit 1 ; }
+ ln -sf ../arch/$(ARCH)/bits $@
+
+include/bits/alltypes.h.sh: include/bits
include/bits/alltypes.h: include/bits/alltypes.h.sh
sh $< > $@
$(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $<
lib/libc.so: $(LOBJS)
- $(CC) $(LDFLAGS) -o $@ $(LOBJS) -lgcc
+ $(CC) $(LDFLAGS) -Wl,-soname=libc.so -o $@ $(LOBJS) -lgcc
$(OBJCOPY) --weaken $@
lib/libc.a: $(OBJS)
$(RANLIB) $@
$(EMPTY_LIBS):
+ rm -f $@
$(AR) rc $@
lib/%.o: crt/%.o
cp $< $@
tools/musl-gcc: tools/gen-musl-gcc.sh config.mak
- sh $< "$(prefix)" > $@ || { rm -f $@ ; exit 1 ; }
+ sh $< "$(prefix)" "$(LDSO_PATHNAME)" > $@ || { rm -f $@ ; exit 1 ; }
chmod +x $@
$(DESTDIR)$(bindir)/%: tools/%
install -D $< $@
-$(DESTDIR)$(prefix)/%: %
+$(DESTDIR)$(libdir)/%.so: lib/%.so
+ install -D -m 755 $< $@
+
+$(DESTDIR)$(libdir)/%: lib/%
+ install -D -m 644 $< $@
+
+$(DESTDIR)$(includedir)/%: include/%
install -D -m 644 $< $@
+$(DESTDIR)$(LDSO_PATHNAME): lib/libc.so
+ ln -sf $(libdir)/libc.so $@ || true
+
.PRECIOUS: $(CRT_LIBS:lib/%=crt/%)
.PHONY: all clean install