Edit File: make.m4
# Check to see how 'make' treats includes. -*- Autoconf -*- # Copyright (C) 2001-2013 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # AM_MAKE_INCLUDE() # ----------------- # Check to see how make treats includes. AC_DEFUN([AM_MAKE_INCLUDE], [am_make=${MAKE-make} cat > confinc << 'END' am__doit: @echo this is the am__doit target .PHONY: am__doit END # If we don't find an include directive, just comment out the code. AC_MSG_CHECKING([for style of include used by $am_make]) am__include="#" am__quote= _am_result=none # First try GNU make style include. echo "include confinc" > confmf # Ignore all kinds of additional output from 'make'. case `$am_make -s -f confmf 2> /dev/null` in #( *the\ am__doit\ target*) am__include=include am__quote= _am_result=GNU ;; esac # Now try BSD make style include. if test "$am__include" = "#"; then echo '.include "confinc"' > confmf case `$am_make -s -f confmf 2> /dev/null` in #( *the\ am__doit\ target*) am__include=.include am__quote="\"" _am_result=BSD ;; esac fi AC_SUBST([am__include]) AC_SUBST([am__quote]) AC_MSG_RESULT([$_am_result]) rm -f confinc confmf ])