# topmost GNUmakefile for SoftRelTools
#
# author: AMJonckheere/FNAL 4-Feb-98
#   based on the original BaBar version but putting most of the 
#   real action into an include makefile fragment that can be changed.
#   This file should almost *never* need to change.

SHELL = /bin/sh
export PWD := $(shell /bin/pwd)
export SRT_TOP := $(shell /bin/pwd)

# set the correct BFCURRENT value
newCURRENT := $(shell touch .current; cat .current)
ifneq ($(newCURRENT),)
  # if the .current file exists in the release directory, use it
  ifneq ($(BFCURRENT),$(newCURRENT))
     ERROR := $(shell echo This release based on $(shell cat .current), \
overriding BFCURRENT value of $(BFCURRENT) >& 2)
  endif
  override BFCURRENT := $(newCURRENT)
  export BFCURRENT
endif

# set CPPFLAGS so it can find the SoftRelTools include area
override CPPFLAGS += -I$(SRT_TOP)/include
ifdef BFCURRENT  
  override CPPFLAGS += -I$(BFDIST)/releases/$(BFCURRENT)/include
endif

# now include the real toplevel GNUmakefile
GMF_EXIST = $(shell if [ -f SoftRelTools/GNUmakefile.main ]; then echo YES; else echo NO; fi)
ifeq (YES,$(GMF_EXIST))
  include SoftRelTools/GNUmakefile.main
  override CPPFLAGS += $(DEFINES)
else
  GMF_EXIST = $(shell if [ -f $(BFDIST)/releases/$(BFCURRENT)/SoftRelTools/GNUmakefile.main ]; then echo YES; else echo NO; fi)
  ifeq (YES,$(GMF_EXIST))
    include $(BFDIST)/releases/$(BFCURRENT)/SoftRelTools/GNUmakefile.main
    override CPPFLAGS += $(DEFINES)
  else
     ERROR := $(shell echo This release does not have $(BFDIST)/releases/$(BFCURRENT)/SoftRelTools/GNUmakefile.main >& 2)
  endif
endif