prefix = /usr/local/musl
includedir = $(prefix)/include
libdir = $(prefix)/lib
+syslibdir = /lib
SRCS = $(sort $(wildcard src/*/*.c))
OBJS = $(SRCS:.c=.o)
CFLAGS = -Os -nostdinc -ffreestanding -std=c99 -D_XOPEN_SOURCE=700 -pipe
LDFLAGS = -nostdlib -shared -fPIC -Wl,-e,_start -Wl,-Bsymbolic-functions
-INC = -I./include -I./src/internal -I./arch/$(ARCH)
+INC = -I./src/internal -I./include -I./arch/$(ARCH)
PIC = -fPIC -O3
AR = $(CROSS_COMPILE)ar
RANLIB = $(CROSS_COMPILE)ranlib
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
+TOOL_LIBS = lib/musl-gcc.specs
+ALL_LIBS = $(CRT_LIBS) $(STATIC_LIBS) $(SHARED_LIBS) $(TOOL_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)/%) $(if $(SHARED_LIBS),$(DESTDIR)$(LDSO_PATHNAME),)
clean:
rm -f crt/*.o
$(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)
lib/%.o: crt/%.o
cp $< $@
-tools/musl-gcc: tools/gen-musl-gcc.sh config.mak
- sh $< "$(prefix)" > $@ || { rm -f $@ ; exit 1 ; }
+lib/musl-gcc.specs: tools/musl-gcc.specs.sh config.mak
+ sh $< "$(includedir)" "$(libdir)" "$(LDSO_PATHNAME)" > $@
+
+tools/musl-gcc: config.mak
+ printf '#!/bin/sh\nexec gcc "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@
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
+ install -d -m 755 $(DESTDIR)$(syslibdir) || true
+ ln -sf $(libdir)/libc.so $@ || true
+
.PRECIOUS: $(CRT_LIBS:lib/%=crt/%)
.PHONY: all clean install