# Makefile for uClibc
#
# Copyright (C) 2000 by Lineo, inc.
+# Copyright (C) 2000-2002 Erik Andersen <andersen@uclibc.org>
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Library General Public License as published by the Free
# You should have received a copy of the GNU Library General Public License
# along with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-#
-# Derived in part from the Linux-8086 C library, the GNU C Library, and several
-# other sundry sources. Files within this library are copyright by their
-# respective copyright holders.
TOPDIR=../../
include $(TOPDIR)Rules.mak
-LIBDL=libdl.a
-LIBDL_SHARED=libdl.so
-LIBDL_SHARED_FULLNAME=libdl-$(MAJOR_VERSION).$(MINOR_VERSION).so
+XXFLAGS=$(XWARNINGS) $(SSP_CFLAGS) $(SSP_ALL_CFLAGS)
+ifeq ($(DODEBUG),y)
+XXFLAGS+=-O0 -g3
+else
+XXFLAGS+=$(OPTIMIZATION)
+endif
+XXFLAGS+= $(XARCH_CFLAGS) $(CPU_CFLAGS) \
+ -DUCLIBC_RUNTIME_PREFIX=\"$(RUNTIME_PREFIX)\" \
+ -fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)ldso/include -I$(TOPDIR)ldso/ldso -I$(TOPDIR)include
+
+XXFLAGS+=-isystem $(shell $(CC) -print-file-name=include)
+ifeq ($(SUPPORT_LD_DEBUG),y)
+XXFLAGS+=-D__SUPPORT_LD_DEBUG__
+endif
+XXFLAGS_NOPIC:=$(XXFLAGS)
+ifeq ($(DOPIC),y)
+ XXFLAGS += $(PICFLAG) -D__LIBDL_SHARED__
+endif
+
+# BEWARE!!! At least mips* will die if -O0 is used!!!
+ifeq ($(TARGET_ARCH),mips)
+XXFLAGS := $(XXFLAGS:-O0=-O1)
+endif
-CSRC= dlib.c
-OBJS=$(patsubst %.c,%.o, $(CSRC))
+LIB_NAME := libdl
+AR_LIB_NAME := $(TOPDIR)lib/$(LIB_NAME).a
+SO_LIB_NAME := $(TOPDIR)lib/$(LIB_NAME).so
+SO_FULL_NAME := $(LIB_NAME)-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
-TARGET_CFLAGS += #-DUSE_CACHE #-fPIC -D__PIC__ #-funroll-loops
+CSRC := libdl.c
+OBJS := libdl.o
+PIC_OBJS := libdl_pic.o
-all: $(OBJS) $(LIBDL) shared
+# we do not get here, do we need a libdl.a, if ld.so is not ours?
+#ifeq ($(HAVE_SHARED),y)
+all: $(AR_LIB_NAME) $(SO_LIB_NAME)
+#else
+#all: $(AR_LIB_NAME)
+#endif
-$(LIBDL): ar-target
+$(AR_LIB_NAME): $(OBJS) ../ldso/$(TARGET_ARCH)/resolve.o
+ $(INSTALL) -d $(TOPDIR)lib
+ $(RM) $@
+ $(AR) $(ARFLAGS) $@ $^
-ar-target: $(OBJS)
- $(AR) $(ARFLAGS) $(LIBDL) $(OBJS)
- #install -d $(TOPDIR)lib
- #rm -f $(TOPDIR)lib/$(LIBDL)
- #install -m 644 $(LIBDL) $(TOPDIR)lib
+shared_$(LIB_NAME).a: $(PIC_OBJS)
+ $(RM) $@
+ $(STRIPTOOL) -x -R .note -R .comment $^
+ $(AR) $(ARFLAGS) $@ $^
+# this will be built only on the second round, when libc.so is present,
+# else we would link against libc.a
+$(SO_LIB_NAME): shared_$(LIB_NAME).a
+ if [ -f $(TOPDIR)lib/libc.so ] ; then \
+ $(RM) $(TOPDIR)lib/$(SO_FULL_NAME) $(SO_LIB_NAME).$(MAJOR_VERSION) $@ ; \
+ $(LD) $(LDFLAGS) -soname=$(LIB_NAME).so.$(MAJOR_VERSION) \
+ -o $(TOPDIR)lib/$(SO_FULL_NAME) -fini dl_cleanup --whole-archive $< \
+ --no-whole-archive $(TOPDIR)libc/misc/internals/interp.o \
+ -L$(TOPDIR)lib -lc $(LDADD_LIBFLOAT) $(TOPDIR)lib/$(UCLIBC_LDSO) $(LIBGCC) ; \
+ $(LN) -sf $(SO_FULL_NAME) $(SO_LIB_NAME).$(MAJOR_VERSION) ; \
+ $(LN) -sf $(SO_FULL_NAME) $@ ; \
+ fi
$(OBJS): %.o : %.c
- $(TARGET_CC) -I../d-link -I../d-link/$(TARGET_ARCH) $(TARGET_CFLAGS) -c $< -o $@
+ $(CC) $(XXFLAGS_NOPIC) -c $< -o $@
$(STRIPTOOL) -x -R .note -R .comment $*.o
-$(OBJ): Makefile
-
-shared: all
- $(TARGET_CC) $(TARGET_LDFLAGS) -nostdlib -shared -o $(LIBDL_SHARED_FULLNAME) \
- -Wl,-soname,$(LIBDL_SHARED).$(MAJOR_VERSION) -Wl,--whole-archive $(LIBDL) -lc
- install -d $(TOPDIR)lib
- rm -f $(TOPDIR)lib/$(LIBDL_SHARED_FULLNAME) $(TOPDIR)lib/$(LIBDL_SHARED).$(MAJOR_VERSION)
- install -m 644 $(LIBDL_SHARED_FULLNAME) $(TOPDIR)lib;
- (cd $(TOPDIR)lib; ln -sf $(LIBDL_SHARED_FULLNAME) $(LIBDL_SHARED));
- (cd $(TOPDIR)lib; ln -sf $(LIBDL_SHARED_FULLNAME) $(LIBDL_SHARED).$(MAJOR_VERSION));
+libdl_pic.o: libdl.c
+ $(CC) $(XXFLAGS) -c $< -o $@
clean:
- $(RM) -f .depend $(LIBDL_SHARED)* $(LIBDL_SHARED_FULLNAME) core *.o *.a *.s *.i tmp_make foo *~
-
+ $(RM) *.[oa] *~ core
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