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authorRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
committerRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
commit0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch)
tree6eaef0d8a720fa3da580de87b647fff796fe80b3 /Makefile
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initial check-in, version 0.5.0 v0.5.0
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile97
1 files changed, 97 insertions, 0 deletions
diff --git a/Makefile b/Makefile
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+#
+# Makefile for musl (requires GNU make)
+#
+# This is how simple every makefile should be...
+# No, I take that back - actually most should be less than half this size.
+#
+# Use config.mak to override any of the following variables.
+# Do not make changes here.
+#
+
+exec_prefix = /usr/local
+bindir = $(exec_prefix)/bin
+
+prefix = /usr/local/musl
+includedir = $(prefix)/include
+libdir = $(prefix)/lib
+
+SRCS = $(sort $(wildcard src/*/*.c))
+OBJS = $(SRCS:.c=.o)
+LOBJS = $(OBJS:.o=.lo)
+GENH = include/bits/alltypes.h
+
+CFLAGS  = -Os -nostdinc -ffreestanding -pipe
+LDFLAGS = -nostdlib -shared -Wl,-Bsymbolic
+INC     = -I./include -I./src/internal
+PIC     = -fPIC
+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_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_TOOLS = tools/musl-gcc
+
+-include config.mak
+
+all: $(ALL_LIBS) $(ALL_TOOLS)
+
+install: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%) $(ALL_TOOLS:tools/%=$(DESTDIR)$(bindir)/%)
+
+clean:
+	rm -f crt/*.o
+	rm -f $(OBJS)
+	rm -f $(LOBJS)
+	rm -f $(ALL_LIBS) lib/*
+	rm -f $(ALL_TOOLS)
+	rm -f $(GENH) 
+
+include/bits/alltypes.h: include/bits/alltypes.h.sh
+	sh $< > $@
+
+%.o: $(ARCH)/%.s
+	$(CC) $(CFLAGS) $(INC) -c -o $@ $<
+
+%.o: %.c $(GENH)
+	$(CC) $(CFLAGS) $(INC) -c -o $@ $<
+
+%.lo: $(ARCH)/%.s
+	$(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $<
+
+%.lo: %.c $(GENH)
+	$(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $<
+
+lib/libc.so: $(LOBJS)
+	$(CC) $(LDFLAGS) -o $@ $(LOBJS) -lgcc
+	$(OBJCOPY) --weaken $@
+
+lib/libc.a: $(OBJS)
+	rm -f $@
+	$(AR) rc $@ $(OBJS)
+	$(RANLIB) $@
+
+$(EMPTY_LIBS):
+	$(AR) rc $@
+
+lib/%.o: crt/%.o
+	cp $< $@
+
+tools/musl-gcc: tools/gen-musl-gcc.sh config.mak
+	sh $< "$(prefix)" > $@ || { rm -f $@ ; exit 1 ; }
+	chmod +x $@
+
+$(DESTDIR)$(bindir)/%: tools/%
+	install -D $< $@
+
+$(DESTDIR)$(prefix)/%: %
+	install -D -m 644 $< $@
+
+.PRECIOUS: $(CRT_LIBS:lib/%=crt/%)
+
+.PHONY: all clean install