make/functions.mk

   1 #
   2 # Copyright (C) 2015, The LibrePilot Team, http://www.librepilot.org
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11 # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  12 # for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License along
  15 # with this program; if not, write to the Free Software Foundation, Inc.,
  16 # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17 #
  18
  19 # Make sure we know few things about the architecture before including
  20 # the tools.mk to ensure that we download/install the right tools.
  21 UNAME := $(shell uname)
  22 # Here and everywhere if not Linux or Mac then assume Windows
  23 ifeq ($(filter Linux Darwin, $(UNAME)), )
  24     UNAME := Windows
  25     CC := gcc# because cc doesn't exist
  26 endif
  27
  28 ifeq ($(UNAME),Windows)
  29     system_path = $(shell cygpath -w $(1))
  30 else
  31     system_path = $(1)
  32 endif
  33
  34 # Function for converting Windows style slashes into Unix style
  35 slashfix = $(subst \,/,$(1))
  36
  37 # Function for converting an absolute path to one relative
  38 # to the top of the source tree
  39 toprel = $(subst $(realpath $(ROOT_DIR))/,,$(abspath $(1)))
  40
  41 # Function to convert to all lowercase
  42 lc = $(subst A,a,$(subst B,b,$(subst C,c,$(subst D,d,$(subst E,e,$(subst F,f,$(subst G,g,$(subst H,h,$(subst I,i,$(subst J,j,$(subst K,k,$(subst L,l,$(subst M,m,$(subst N,n,$(subst O,o,$(subst P,p,$(subst Q,q,$(subst R,r,$(subst S,s,$(subst T,t,$(subst U,u,$(subst V,v,$(subst W,w,$(subst X,x,$(subst Y,y,$(subst Z,z,$1))))))))))))))))))))))))))
  43
  44 # Function to make all lowercase and replace spaces with -
  45 EMPTY             :=
  46 SPACE             := $(EMPTY) $(EMPTY)
  47 define NEWLINE    :=
  48
  49
  50 endef
  51
  52 smallify = $(subst $(SPACE),-,$(call lc,$1))
  53
  54 get_arch = $(shell $(CC) -dumpmachine | sed s/-.*//)