#########################################################
# Makefile for Deadlock Detector (dldet)
# Requires GNU make!
# pfh 10/2000
#########################################################

export

# Figure out which operating system to build for
OPSYS = $(shell uname -s)

# Destinations
BIN_DIR = .

# Include directory
INC_DIR = .

# Destination for HTML-ized source
WEB_DIR = .

#########################################################
# Linux version
ifeq ($(OPSYS), Linux)
  CC = gcc
  CC_FLAGS = -ggdb -g3 -pthread -Wall -O
  CC_INCLUDES = -I$(INC_DIR)
  CC_DEFINES =
  external_LIBS = -lpthread
  LINKER = gcc
  LINKER_FLAGS = -ggdb -g3
  LINKER_ENTRY =
  CODETOHTML = code2html -lc
  CTOHFLAGS = 
  MAKEDEP = makedepend
endif
#########################################################
# Solaris
ifeq ($(OPSYS), SunOS)
  CC = cc
  CC_FLAGS = -xCC -Xa -g $(VFLAGS)
  CC_INCLUDES =  -I$(INC_DIR)
  CC_DEFINES =  -D_POSIX_C_SOURCE=199506L -D__EXTENSIONS__ -D_REENTRANT
  external_LIBS = -lm -lpthread -lposix4 -lc -lucb 
  LINKER = cc
  LINKER_FLAGS = -z muldefs -L/usr/ucblib -R/usr/ucblib
  LINKER_ENTRY =
  CODETOHTML = code2html -lc
  CTOHFLAGS = 
  MAKEDEP = makedepend
endif
#########################################################
# Irix 6.5 or greater, I think.
ifeq ($(OPSYS), IRIX64)
  CC = cc
  CC_FLAGS = -n32 -mips3 -g -O2 
  CC_INCLUDES = -I$(INC_DIR)
  CC_DEFINES =
  external_LIBS = -lds -lpthread -lgen
  LINKER = cc
  LINKER_FLAGS =
  LINKER_ENTRY =
  CODETOHTML = code2html -lc
  CTOHFLAGS = 
  MAKEDEP = makedepend
endif 

#########################################################
# OS-common stuff follows
#########################################################

#########################################################
# List of object files
OBJECTS = dldet.o

# Convert to list of source files
SOURCE = $(OBJECTS:.o=.c)

# Convert to basename + html, eg dldet.html
HTML = $(SOURCE:.c=.html)

# Emacs tag file
TAGS = TAGS

# Final target
TARGET = dldet

#########################################################
# Build targets
default-build: depend $(TARGET)
all: depend $(TARGET) web

# Cleanup target
# Note that leading dash means ignore return code of rm
clean:
	@echo "Cleaning up"
	-rm -f $(TARGET)
	-rm -f core
	-rm -f $(OBJECTS)
	-rm -f $(TAGS)
	-rm -f $(HTML)

# end build targets
#########################################################
# Rulesets, new (GNU) syntax
#
%.o : %.c
	$(CC) -c $< $(CC_FLAGS) $(CC_DEFINES) $(CC_INCLUDES)

$(WEB_DIR)/%.html: %.c
	-$(CODETOHTML) $(CTOHFLAGS) $< $(WEB_DIR)/$(basename $< ).html

#########################################################
#
# Build rules/dependencies
#
$(client): $(OBJECTS)
	$(LINKER) -o $(TARGET) $(LINKER_ENTRY) $(LINKER_FLAGS) \
		$(external_LIBS) $(OBJECTS)

# Make etags for Emacs fans; ignore errors if not installed
$(TAGS): $(SOURCE)
	-etags $(SOURCE)

# Web (HTML-ized code) target is just a dependency, work done by above rules
web: $(SOURCE)

# Auto-dependency checking - perhaps should ignore return code?
# Hmm. Makedepend is Hardwired for C. Hmm.
depend: $(MAKEDEP) -- $(CC_FLAGS) -- $(CC_INCLUDES) $(SOURCE)