#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "MPL"); you may not use this file
# except in compliance with the MPL. You may obtain a copy of
# the MPL at http://www.mozilla.org/MPL/
# 
# Software distributed under the MPL is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the MPL for the specific language governing
# rights and limitations under the MPL.
# 
# The Original Code is lineterm.
# 
# The Initial Developer of the Original Code is Ramalingam Saravanan.
# Portions created by Ramalingam Saravanan <svn@xmlterm.org> are
# Copyright (C) 1999 Ramalingam Saravanan. All Rights Reserved.
# 
# Contributor(s):
# 
# Alternatively, the contents of this file may be used under the
# terms of the GNU General Public License (the "GPL"), in which case
# the provisions of the GPL are applicable instead of
# those above. If you wish to allow use of your version of this
# file only under the terms of the GPL and not to allow
# others to use your version of this file under the MPL, indicate
# your decision by deleting the provisions above and replace them
# with the notice and other provisions required by the GPL.
# If you do not delete the provisions above, a recipient
# may use your version of this file under either the MPL or the
# GPL.
#

# rules.mk: Make rules for stand-alone LineTerm only

# CAUTION: Dependency checking is very limited.
# For compilation, the only dependencies are on *.h files in the current
# directory and in the distribution include directory.
# When creating executables, there is additional dependency on
# all *.a files in the distribution object directory.

ifndef LIBRARY
ifdef LIBRARY_NAME
LIBRARY               := lib$(LIBRARY_NAME).$(LIB_SUFFIX)
endif # LIBRARY_NAME
endif # LIBRARY

ifdef PROGRAM
PROGRAM               := $(addprefix $(OBJDIR)/, $(PROGRAM))
endif

ifdef SIMPLE_PROGRAMS
SIMPLE_PROGRAMS       := $(addprefix $(OBJDIR)/, $(SIMPLE_PROGRAMS))
endif

ifdef LIBRARY
LIBRARY               := $(addprefix $(OBJDIR)/, $(LIBRARY))
endif

ifndef OBJS
OBJS = $(CSRCS:.c=.o) $(CPPSRCS:.cpp=.o)
endif

OBJS                  := $(addprefix $(OBJDIR)/, $(OBJS))

ifdef DIRS
LOOP_OVER_DIRS          =                                       \
        @for d in $(DIRS); do                                   \
                if test -f $$d/Makefile; then                   \
                        set -e;                                 \
                        echo "cd $$d; $(MAKE) $@";              \
                        oldDir=`pwd`;                           \
                        cd $$d; $(MAKE) $@; cd $$oldDir;        \
                        set +e;                                 \
                else                                            \
                        echo "Skipping non-directory $$d...";   \
                fi;                                             \
        done
endif

ifndef PROGOBJS
PROGOBJS = $(OBJS)
endif

# Targets
all: export install progs

export: $(EXPORTS)
ifneq (,$(EXPORTS))
	mkdir -p $(topsrcdir)/distrib/include
	+for x in $^; do                                                 \
            rm $(topsrcdir)/distrib/include/$$x;                            \
            echo ln -s `pwd`/$$x $(topsrcdir)/distrib/include/$$x;      \
            ln -s `pwd`/$$x $(topsrcdir)/distrib/include/$$x;      \
         done
endif
	+$(LOOP_OVER_DIRS)

install: $(LIBRARY)
	mkdir -p  $(topsrcdir)/distrib/lib $(topsrcdir)/base/lib
	+$(LOOP_OVER_DIRS)

progs: $(SIMPLE_PROGRAMS)
	mkdir -p  $(topsrcdir)/tests/lib $(topsrcdir)/linetest/lib
	+$(LOOP_OVER_DIRS)

clean:
	-rm $(OBJDIR)/*
	+$(LOOP_OVER_DIRS)

#
# Turn on C++ linking if we have any .cpp files
#
ifdef CPPSRCS
CPP_PROG_LINK = 1
endif

# Create single executable program (with limited dependency checking)
$(PROGRAM): $(PROGOBJS) $(wildcard $(topsrcdir)/distrib/$(OBJDIR)/*.a)
ifeq ($(CPP_PROG_LINK),1)
	$(CCC) -o $@ $(PROGOBJS) $(LDFLAGS) $(LIBS_DIR) $(LIBS))
else
	$(CC) -o $@ $(PROGOBJS) $(LDFLAGS) $(LIBS_DIR) $(LIBS)
endif

# Create multiple simple executable programs (with limited dependency checking)
$(SIMPLE_PROGRAMS): $(OBJDIR)/%: $(OBJDIR)/%.o \
                    $(wildcard $(topsrcdir)/distrib/$(OBJDIR)/*.a)
ifeq ($(CPP_PROG_LINK),1)
	$(CCC) -o $@ $< $(LDFLAGS) $(LIBS_DIR) $(LIBS))
else
	$(CC) -o $@ $< $(LDFLAGS) $(LIBS_DIR) $(LIBS)
endif

# Create library and export it
$(LIBRARY): $(OBJS)
	$(AR) $(OBJS)
	$(RANLIB) $@
	-rm $(topsrcdir)/distrib/$@
	ln -s `pwd`/$@ $(topsrcdir)/distrib/$@


# Compilation rules (with limited dependency checking)
$(OBJDIR)/%.o: %.c $(wildcard *.h) $(wildcard $(topsrcdir)/distrib/include/*.h)
	$(CC) -o $@ -c $(CFLAGS) $<

$(OBJDIR)/%.o: %.cpp $(wildcard *.h) $(wildcard $(topsrcdir)/distrib/include/*.h)
	$(CCC) -o $@ -c $(CXXFLAGS) $<


# Recognized suffixes
.SUFFIXES:
.SUFFIXES: .a .o .c .cpp .h .pl .class .java .html .mk .in

# Always recognized targets
.PHONY: all clean clobber clobber_all export install

# OS configuration
os_config:
	@echo "OS_ARCH = $(OS_ARCH), OS_CONFIG=$(OS_CONFIG)"
	@echo "OS_RELEASE=$(OS_RELEASE), OS_VERS=$(OS_VERS)"