#
# Makefile variables for converting egg files into some (likely binary)
# file format and installing them in the install directory.
#

# The default is to install them directly as egg files, without
# converting.  Redefine the following variables to change this.


# This is the extension of the installed files.
ifeq ($(INST),)
  INST = egg
endif

# This is the program to install them.  It depends on the variables
# EGG2INST_SOURCE and EGG2INST_TARGET.  We define default program lines
# for the three types of installable files we know--eggs, bams, and pfbs--
# but this may easily be extended by defining your own.
ifeq ($(EGG2INST),)
  ifeq ($(INST),egg)
    EGG2INST = cp $(EGG2INST_SOURCE) $(EGG2INST_TARGET)
  endif
  ifeq ($(INST),bam)
    EGG2INST = egg2bam $(EGG2INST_SOURCE) -o $(EGG2INST_TARGET)
  endif
  ifeq ($(INST),pfb)
    EGG2INST = egg2pfb $(EGG2INST_SOURCE) && mv $(basename $(EGG2INST_SOURCE)).pfb $(EGG2INST_TARGET)
  endif
endif

# These are the variables that will be filled in with the files to
# read and produce, respectively.  Don't redefine these.
EGG2INST_SOURCE = $<
EGG2INST_TARGET = $@.installing

# We do this two-step installation rule just to minimize the amount of 
# time the installed file is half-complete.  We first convert the egg
# file into a temporary filename in the install directory, and then
# rename it to its desired filename.

INSTALL_EGG_ACTION = \
	$(EGG2INST) && mv $(EGG2INST_TARGET) $@