# -*- Makefile -*-
# DROPS Make configuration file
#
# created 1996/04/20 by hohmuth
# $Id: Makeconf,v 1.6 2003/03/01 21:09:47 hohmuth Exp $
#

ifdef NDEBUG
  CPPFLAGS+=	-DNDEBUG
endif

ifdef DEBUG
  CPPFLAGS+=	-DDEBUG
endif

ifdef OPT
  CPPFLAGS+=	-O$(OPT)
else
  CPPFLAGS+=	-O2
endif

ifdef ASM
  CPPFLAGS+=	-S
endif

ifdef PRE
  CPPFLAGS+=	-E
endif

#CC=	gcc
#CXX=	g++
AS=	as
LD=	ld
AR=	ar
NM=	nm
RANLIB=	ranlib
SIZE=	size
STRIP=	strip
OBJCOPY=objcopy
RM=	rm -f
CP=	cp
INSTALL=install
PWD=	pwd
INDENT=	indent -sob
YACC=	byacc
LEX=	flex

ALL_LIBDIR=
ALL_INCDIR=	$(addprefix -I, \
		  $(PRIVATE_INCDIR))

OBJS	= $(SRC_S:.S=.o) $(SRC_CPP:.cpp=.o) $(SRC_C:.c=.o) $(SRC_CC:.cc=.o)
OBJS_P	= $(SRC_S:.S=.p.o) $(SRC_CPP:.cpp=.p.o) $(SRC_C:.c=.p.o) $(SRC_CC:.cc=.p.o)
OBJS_PR = $(SRC_S:.S=.pr.o) $(SRC_CPP:.cpp=.pr.o) $(SRC_C:.c=.pr.o) $(SRC_CC:.cc=.pr.o)
OBJS_SO	= $(SRC_S:.S=.p.o) $(SRC_CPP:.cpp=.p.o) $(SRC_C:.c=.p.o) $(SRC_CC:.cc=.p.o)
SRC_ALL = $(SRC_S) $(SRC_CPP) $(SRC_C) $(SRC_CC)
ifeq ($(filter clean cleanall,$(MAKECMDGOALS)),)
DEPS	= $(foreach file,$(SRC_ALL), $(dir $(file)).$(notdir $(file)).d)
else
DEPS    = /dev/null
endif

#LIBDEPS	= $(foreach file, \
#                    $(patsubst -l%,lib%.a,$(filter-out -L%,$(L4_LIB))) \
#		    $(patsubst -l%,lib%.so,$(filter-out -L%,$(L4_LIB))),\
#                    $(word 1, $(foreach dir, \
#                           $(patsubst -L%,%,\
#                           $(filter -L%,$(L4_LIB) $(ALL_LIBDIR))),\
#                      $(wildcard $(dir)/$(file)))))

CPPFLAGS +=	$(ALL_INCDIR) \
		$(INCLUDES)

# output formating
# set VERBOSE=@ to prevent command lines 
VERBOSE=
COMP_MESSAGE=	@echo -e "  ... Making $@"
COMP_P_MESSAGE=	@echo -e "  ... Making PIC $@"
COMP_PR_MESSAGE=@echo -e "  ... Making PROFILE $@"
LINK_MESSAGE=	@echo -e "  ==> Linking $@"
DEP_MESSAGE=	@echo -e "  ... Building dependencies for $<"
CLEAN_MESSAGE=	@echo -e "Removing created files"
CLEANALL_MESSAGE=@echo -e "Removing all created files"
INST_MESSAGE=	@echo -e "Installing $(^F)"

DEPEND_VERBOSE= @
DEPEND_EXTEND_CMD = perl -ne '			\
/^[^:]*: ..*/ && do {				\
	while(/\\$$/){				\
		$$_ .= <>;			\
	}					\
	chomp;                                  \
	@field = /(.*?): (.*)/s;		\
	$$field[0] =~ s/$*.o/$$& $*.p.o $*.pr.o $*.s $*.E $@/;	\
	printf("ifneq (\$$(wildcard %s), %s)\n%s: FORCE\nelse\n%s: %s Makefile\nendif\n",\
		$$field[1],$$field[1],$$field[0],$$field[0],$$field[1]);  \
} or print' < $(1) > $(2).new && rm -f $(1) && mv $(2).new $(2)

.PHONY: FORCE

%.o:	%.cc
	$(COMP_MESSAGE)
	$(VERBOSE)$(CXX) -c -MD $(CPPFLAGS) $(CXXFLAGS) $< -o $@
	$(DEPEND_VERBOSE)$(call DEPEND_EXTEND_CMD, $*.d, .$*.cc.d)

%.o:	%.c
	$(COMP_MESSAGE)
	$(VERBOSE)$(CC) -c -MD $(CPPFLAGS) $(CFLAGS) $< -o $@
	$(DEPEND_VERBOSE)$(call DEPEND_EXTEND_CMD, $*.d, .$*.c.d)

%.p.o:	%.c
	$(COMP_P_MESSAGE)
	$(VERBOSE)$(CC) -c -MD $(CPPFLAGS) $(CFLAGS) -fPIC $< -o $@
	$(DEPEND_VERBOSE)$(call DEPEND_EXTEND_CMD, $*.d, .$*.c.d)

%.pr.o:	%.c
	$(COMP_PR_MESSAGE)
	$(VERBOSE)$(CC) -c -MD $(CPPFLAGS) $(CFLAGS) -DPROFILE -pg $< -o $@
	$(DEPEND_VERBOSE)$(call DEPEND_EXTEND_CMD, $*.d, .$*.c.d)

%.o:	%.S
	$(COMP_MESSAGE)
	$(VERBOSE)$(CC) -c -MD $(CPPFLAGS) $< -o $@
	$(DEPEND_VERBOSE)$(call DEPEND_EXTEND_CMD, $*.d, .$*.S.d)

%.p.o:	%.S
	$(COMP_MESSAGE)
	$(VERBOSE)$(CC) -c -MD $(CPPFLAGS) -fPIC $< -o $@
	$(DEPEND_VERBOSE)$(call DEPEND_EXTEND_CMD, $*.d, .$*.S.d)

%.pr.o:	%.S
	$(COMP_MESSAGE)
	$(VERBOSE)$(CC) -c -MD $(CPPFLAGS) -DPROFILE -pg $< -o $@
	$(DEPEND_VERBOSE)$(call DEPEND_EXTEND_CMD, $*.d, .$*.S.d)

%:	%.o 
	$(LINK_MESSAGE)
	$(VERBOSE)$(LD) $(LDFLAGS) -o $@ crt0.o $<

%.E:	%.c
	$(COMP_MESSAGE)
	$(VERBOSE)$(CC) -E $(CPPFLAGS) $(CFLAGS) $< -o $@
	$(VERBOSE)$(INDENT) -o $@ $@

%.E:	%.cc
	$(COMP_MESSAGE)
	$(VERBOSE)$(CC) -E $(CPPFLAGS) $(CXXFLAGS) $< -o $@
	$(VERBOSE)$(INDENT) -sob -o $@ $@

%.S:	%.c
	$(COMP_MESSAGE)
	$(VERBOSE)$(CC) -S $(CFLAGS) $(CPPFLAGS) $< -o $@

-include $(srcdir)/Makeconf.local

ifeq ($(USE_EMPHASIZE_PHASES),1)
ifneq (,$(findstring ${TERM},vt100 xterm linux console))
  EMPHSTART = '\033[34m'
  EMPHSTOP  = '\033[0m'
else
  EMPHSTART =
  EMPHSTOP  =
endif
endif

# Compiler options for both C and C++ (later folded into both CFLAGS
# and CXXFLAGS)
#ifeq ($(NOSTDL4),)
  GCC_FLAGS = -g -Wall -Wstrict-prototypes -Wmissing-prototypes \
	-Wmissing-declarations
#else
#  GCC_FLAGS = -g -Wall -Wstrict-prototypes
#endif

# only work around strength reduction bug(s) on older gcc versions
GCC_FLAGS += $(shell PATH=$(PATH); if ! $(CC) -S -march=i486 -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-fno-strength-reduce"; fi)

CFLAGS=	$(GCC_FLAGS)
CXXFLAGS= $(GCC_FLAGS)