## Filename: Ambidxtr.mk
## Last modified: Sun Jun  1 16:03:18 UTC 2008
## Author: Soren Andersen (somian/intrepid)
## -------------------------------------------
#  CVS Data:
#
#   $Author: intrepid $ 
#   $Date: 2008/06/02 12:40:55 $ 
#   $Revision: 1.2 $ 
#


#  Some utility functions
#    SWAPS turns canonical proper slashes into backslashes for WinDOS
SWAPS = $1
#    Neg inverts the 'trueness' of the argument (for use as first arg
#    to $(if ...) for example)
Neg   = $(if $1,,TRUE)

# -===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-
# First, make sure SHELL is sane for cygwin and ms windows

_starting_SHELL = boguscommandthatwillneverexist

ifeq "" "$(ComSpec)$(COMSPEC)$(comspec)"
   _starting_SHELL = /bin/sh
   SHELL := $(_starting_SHELL)
   _TellAbout_SHELL := $(warning We detect no COMSPEC. If this is MS Windows you are screwed.)echo 'The SHELL is $(SHELL)'
  # we're done, nothing else to worry about with non-mswindwoes platform
else
  # we're on an mswindwoes platform as far as we can tell
   _starting_SHELL = $(if $(findstring default,$(origin SHELL)),\
boguscommandthatwillneverexist,$(SHELL))
   ifeq   "command line" "$(origin SHELL)"
      _starting_SHELL = $(SHELL)
   else
     ifeq "environment" "$(origin SHELL)"
      _starting_SHELL = $(SHELL)
     else
      _starting_SHELL = $(firstword $(ComSpec) $(COMSPEC) $(comspec))
     endif
   endif

   _colonseek := $(firstword $(subst :,$(NADA): ,$(_starting_SHELL)))
   _colonseek := $(patsubst %:,:,$(_colonseek))
   _mswexe_ext := .exe

   # Do we have a ms-windows / DOS -style pathname?  If so, correct that to canonical.
   ifneq "" "$(findstring \,$(_starting_SHELL))"
      _starting_SHELL := $(subst \,/,$(_starting_SHELL))
   endif
#     _DUMMYVAR := $(if $(call Neg,$(findstring :,$(_colonseek))),\
#       $(warning There was no colon seen in _starting_SHELL [${_starting_SHELL}]),\
#       $(warning There was a colon seen in _starting_SHELL [${_starting_SHELL}] - colonseek is $(_colonseek)))
   ifeq ":" "$(_colonseek)"
    # _starting_SHELL := $(_starting_SHELL)
      _starting_SHELL := $(warning SHELL is going to be //./$(_starting_SHELL))//./$(_starting_SHELL)
   else
    # XXX this is fairly broken and useless.
      ifneq "" "$(HOMEDRIVE)"
      _starting_SHELL := $(strip $(shell ${CYGROOT}\bin\cygpath -m "$(_starting_SHELL)"))
      endif
   endif
   _TellAbout_SHELL = echo 'The SHELL is $(SHELL)'
endif

SHELL := $(_starting_SHELL)
export SHELL
export _TellAbout_SHELL

ifeq "YAY" "$(patsubst %sh$(_mswexe_ext),YAY,$(SHELL))"
   SHELL_is_SHish := yes
else
   SHELL_is_SHish :=
   SWAPS = $(subst /,\,$1)
endif 

# -===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-
define builtin_linkstem
	@echo the make rule is:'  $(value LINK.o)'
	@echo which evaluates to:'      $(LINK.o)'
endef
define builtin_costem
	@echo the make rule is:'  $(value COMPILE.c)'
	@echo which evaluates to:'      $(COMPILE.c)'
endef
# -===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-

ifeq "yes" "$(SHELL_is_SHish)"
define Cond_DirCreate
if [ ! -d $1 ]; then mkdir $(strip $1) && echo "Created $1"; fi
endef

else

define Cond_DirCreate
$(SHELL) /c IF NOT EXIST $(strip $(call SWAPS,$1)) MKDIR $(strip $(call SWAPS,$1))
endef
endif



# -===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-===-
ifneq (USE_PIPE_DIRECTIVE_GIVEN, \
      $(findstring USE_PIPE_DIRECTIVE_GIVEN, \
         $(subst -pipe, USE_PIPE_DIRECTIVE_GIVEN,${CFLAGS})))
 CFLAGS += -pipe
endif



ifneq (OPTIMIZATION_DIRECTIVE_GIVEN, \
      $(findstring OPTIMIZATION_DIRECTIVE_GIVEN, \
      $(patsubst -O%, OPTIMIZATION_DIRECTIVE_GIVEN,${CFLAGS})))
 CFLAGS += -O2
endif



ifneq (MACH_TUNING_DIRECTIVE_GIVEN, \
      $(findstring MACH_TUNING_DIRECTIVE_GIVEN, \
      $(patsubst -mtune=%, MACH_TUNING_DIRECTIVE_GIVEN,${CFLAGS})))
 CFLAGS += -mtune=pentium3
endif