#
# This Makefile is used to bootstrap Nu.
# Use it to build "mininush", a simpler and statically-linked
# version of nush, the Nu shell.
#
 
SYSTEM = $(shell uname)
 
PREFIX ?= /usr/local
 
ifeq ($(SYSTEM), Darwin)
  ifeq ($(shell test -e /usr/lib/libffi.dylib && echo yes), yes)
    # Use the libffi that ships with OS X.
    FFI_LIB = -L/usr/lib -lffi
    FFI_INCLUDE = -I/usr/include/ffi
    LEOPARD_CFLAGS = -DLEOPARD_OBJC2
  else
    # Use the libffi that is distributed with Nu.
    FFI_LIB = -L./libffi -lffi
    FFI_INCLUDE = -I./libffi/include
    LEOPARD_CFLAGS =
  endif
 
else # Linux
  FFI_LIB=-lffi
  FFI_INCLUDE=
endif
 
INCLUDES = $(FFI_INCLUDE) -I./include
 
ifeq ($(SYSTEM), Darwin)
  ifeq ($(shell test -d $(PREFIX)/include && echo yes), yes)
    INCLUDES += -I$(PREFIX)/include
  endif
  FRAMEWORKS = -framework Cocoa
  LIBS = -lobjc -lpcre -lreadline
  LIBDIRS =
  ifeq ($(shell test -d $(PREFIX)/lib && echo yes), yes)
    LIBDIRS += -L$(PREFIX)/lib
  endif
else
  INCLUDES += -I/usr/local/include
  FRAMEWORKS =
  LIBS = -lm -lpcre -lreadline
  LIBDIRS =
endif
 
C_FILES = $(wildcard objc/*.c)
OBJC_FILES = $(wildcard objc/*.m) $(wildcard main/*.m)
GCC_FILES = $(OBJC_FILES) $(C_FILES)
GCC_OBJS = $(patsubst %.m, %.o, $(OBJC_FILES)) $(patsubst %.c, %.o, $(C_FILES))
 
CC = gcc
CFLAGS = -g -O2 -Wall -DMININUSH -std=gnu99
MFLAGS = -fobjc-exceptions
 
ifeq ($(SYSTEM), Darwin)
  CFLAGS += -DMACOSX -DDARWIN $(LEOPARD_CFLAGS)
else
  CFLAGS += -DLINUX
  MFLAGS += -fconstant-string-class=NSConstantString
endif
 
LDFLAGS += $(FRAMEWORKS)
LDFLAGS += $(LIBS)
LDFLAGS += $(LIBDIRS)
LDFLAGS += $(FFI_LIB)
 
ifeq ($(SYSTEM), Linux)
  LDFLAGS += -lobjc -lNuFound
  LDFLAGS += -Wl,--rpath -Wl,/usr/local/lib
endif
 
all: mininush
 
%.o: %.m
  $(CC) $(CFLAGS) $(MFLAGS) $(INCLUDES) -c $< -o $@
 
%.o: %.c
  $(CC) $(CFLAGS) $(INCLUDES) -c $< -o $@
 
.PHONY: mininush
mininush: $(GCC_OBJS)
  $(CC) $(GCC_OBJS) -g -O2 -o mininush $(LDFLAGS)
 
.PHONY: clean
clean:
  rm -f objc/*.o main/*.o
 
.PHONY: clobber
clobber: clean
  rm -f mininush