C++ constructors work with ELF load now

git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5273 42af7a65-404d-4744-a932-0658087f49c3

apps/examples/elf/tests/helloxx/Makefile

@@ -0,0 +1,124 @@
+############################################################################
+# examples/elf/tests/helloxx/Makefile
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+-include $(TOPDIR)/.config
+-include $(TOPDIR)/Make.defs
+
+BIN1 = hello++1
+BIN2 = hello++2
+ifeq ($(CONFIG_BINFMT_CONSTRUCTORS),y)
+BIN3 = hello++3
+endif
+#BIN4 = hello++4
+ALL_BIN = $(BIN1) $(BIN2) $(BIN3) $(BIN4)
+
+SRCS1 = $(BIN1).c
+OBJS1 = $(SRCS1:.c=.o)
+
+SRCS2 = $(BIN2).c
+OBJS2 = $(SRCS2:.c=.o)
+
+ifeq ($(CONFIG_BINFMT_CONSTRUCTORS),y)
+SRCS3 = $(BIN3).c
+OBJS3 = $(SRCS3:.c=.o)
+endif
+
+#SRCS4 = $(BIN4).c
+#OBJS4 = $(SRCS4:.c=.o)
+
+SRCS = $(SRCS1) $(SRCS2) $(SRCS3) $(SRCS4)
+OBJS = $(OBJS1) $(OBJS2) $(OBJS3) $(OBJS4)
+
+LIBSTDC_STUBS_DIR	= $(TOPDIR)/libxx
+LIBSTDC_STUBS_LIB	= $(LIBSTDC_STUBS_DIR)/liblibxx.a
+
+all: $(BIN1) $(BIN2) $(BIN3) $(BIN4)
+
+$(OBJS): %.o: %.cpp
+	@echo "CC: $<"
+	@$(CXX) -c $(CXXELFFLAGS) $< -o $@
+
+# This contains libstdc++ stubs to that you can build C++ code
+# without actually having libstdc++
+
+$(LIBSTDC_STUBS_LIB):
+	@$(MAKE) -C $(LIBSTDC_STUBS_DIR) TOPDIR=$(TOPDIR)
+
+# BIN1 and BIN2 link just like C code because they contain no
+# static constructors.  BIN1 is equivalent to a C hello world;
+# BIN2 contains a class that implements hello world, but it is
+# not statically initialized.
+
+$(BIN1): $(OBJS1)
+	@echo "LD: $<"
+	@$(LD) $(LDELFFLAGS) -o $@ $^
+
+$(BIN2): $(OBJS2)
+	@echo "LD: $<"
+	@$(LD) $(LDELFFLAGS) -o $@ $^
+
+# BIN3 is equivalent to BIN2 except that is uses static initializers
+
+ifeq ($(CONFIG_BINFMT_CONSTRUCTORS),y)
+$(BIN3): $(OBJS3)
+	@echo "LD: $<"
+	@$(LD) $(LDELFFLAGS) -o $@ $^
+endif
+
+# BIN4 is similar to BIN3 except that it uses the streams code from libstdc++
+#
+# NOTE:  libstdc++ is not available for NuttX as of this writing
+#
+#$(BIN4): $(OBJS4)
+#	@echo "LD: $<"
+#	@$(LD) $(LDELFFLAGS) -o $@ $^
+
+clean: 
+	@rm -f $(ALL_BIN) *.o *~ .*.swp core
+
+install: $(ALL_BIN)
+	@install -D $(BIN1) $(ROMFS_DIR)/$(BIN1)
+	@install -D $(BIN2) $(ROMFS_DIR)/$(BIN2)
+ifeq ($(CONFIG_BINFMT_CONSTRUCTORS),y)
+	@install -D $(BIN3) $(ROMFS_DIR)/$(BIN3)
+endif
+#	@install -D $(BIN4) $(ROMFS_DIR)/$(BIN4)
+
+
+
+
+
+
+