add significand[fl] math functions

[musl] / Makefile

diff --git a/Makefile b/Makefile
index e9dbdf7..683850d 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -14,62 +14,87 @@ bindir = $(exec_prefix)/bin
 prefix = /usr/local/musl
 includedir = $(prefix)/include
 libdir = $(prefix)/lib
+syslibdir = /lib
 
 SRCS = $(sort $(wildcard src/*/*.c))
 OBJS = $(SRCS:.c=.o)
 LOBJS = $(OBJS:.o=.lo)
 GENH = include/bits/alltypes.h
+IMPH = src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/libc.h
+
+LDFLAGS = 
+LIBCC = -lgcc
+CPPFLAGS =
+CFLAGS = -Os -pipe
+CFLAGS_C99FSE = -std=c99 -ffreestanding -nostdinc 
+
+CFLAGS_ALL = $(CFLAGS_C99FSE)
+CFLAGS_ALL += -D_XOPEN_SOURCE=700 -I./arch/$(ARCH) -I./src/internal -I./include
+CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS)
+CFLAGS_ALL_STATIC = $(CFLAGS_ALL)
+CFLAGS_ALL_SHARED = $(CFLAGS_ALL) -fPIC -DSHARED -O3
 
-CFLAGS  = -Os -nostdinc -ffreestanding -std=c99 -D_XOPEN_SOURCE=700 -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_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)
-
+CRT_LIBS = lib/crt1.o lib/Scrt1.o lib/crti.o lib/crtn.o
+STATIC_LIBS = lib/libc.a
+SHARED_LIBS = lib/libc.so
+TOOL_LIBS = lib/musl-gcc.specs
+ALL_LIBS = $(CRT_LIBS) $(STATIC_LIBS) $(SHARED_LIBS) $(EMPTY_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
        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 $(GENH) 
+       rm -f include/bits
+
+distclean: clean
+       rm -f config.mak
+
+include/bits:
+       @test "$(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 $< > $@
 
+src/ldso/dynlink.lo: arch/$(ARCH)/reloc.h
+
 %.o: $(ARCH)/%.s
-       $(CC) $(CFLAGS) $(INC) -c -o $@ $<
+       $(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $<
 
-%.o: %.c $(GENH)
-       $(CC) $(CFLAGS) $(INC) -c -o $@ $<
+%.o: %.c $(GENH) $(IMPH)
+       $(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $<
 
 %.lo: $(ARCH)/%.s
-       $(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $<
+       $(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $<
 
-%.lo: %.c $(GENH)
-       $(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $<
+%.lo: %.c $(GENH) $(IMPH)
+       $(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $<
 
 lib/libc.so: $(LOBJS)
-       $(CC) $(LDFLAGS) -o $@ $(LOBJS) -lgcc
-       $(OBJCOPY) --weaken $@
+       $(CC) $(CFLAGS_ALL_SHARED) $(LDFLAGS) -nostdlib -shared \
+       -Wl,-e,_start -Wl,-Bsymbolic-functions \
+       -Wl,-soname=libc.so -o $@ $(LOBJS) $(LIBCC)
 
 lib/libc.a: $(OBJS)
        rm -f $@
@@ -77,21 +102,37 @@ 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 ; }
+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): $(DESTDIR)$(syslibdir)
+       ln -sf $(libdir)/libc.so $@ || true
+
+$(DESTDIR)$(syslibdir):
+       install -d -m 755 $(DESTDIR)$(syslibdir)
+
 .PRECIOUS: $(CRT_LIBS:lib/%=crt/%)
 
 .PHONY: all clean install