libvtv/acinclude.m4

   1 dnl ----------------------------------------------------------------------
   2 dnl This whole bit snagged from libgfortran.
   3
   4 sinclude(../libtool.m4)
   5 dnl The lines below arrange for aclocal not to bring an installed
   6 dnl libtool.m4 into aclocal.m4, while still arranging for automake to
   7 dnl add a definition of LIBTOOL to Makefile.in.
   8 ifelse(,,,[AC_SUBST(LIBTOOL)
   9 AC_DEFUN([AM_PROG_LIBTOOL])
  10 ])
  11
  12
  13
  14 dnl
  15 dnl Initialize the rest of the library configury.  At this point we have
  16 dnl variables like $host.
  17 dnl
  18 dnl Substs:
  19 dnl  libvtv_builddir     (absolute path)
  20 dnl  libvtv_srcdir       (absolute path)
  21 dnl  toplevel_builddir    (absolute path)
  22 dnl  toplevel_srcdir      (absolute path)
  23 dnl  with_cross_host
  24 dnl  with_newlib
  25 dnl  with_target_subdir
  26 dnl plus
  27 dnl  - the variables in LIBVTV_CHECK_HOST / configure.host
  28 dnl  - default settings for all AM_CONDITIONAL test variables
  29 dnl  - lots of tools, like CC and CXX
  30 dnl
  31 AC_DEFUN([LIBVTV_CONFIGURE], [
  32
  33   # These need to be absolute paths, yet at the same time need to
  34   # canonicalize only relative paths, because then amd will not unmount
  35   # drives. Thus the use of PWDCMD: set it to 'pawd' or 'amq -w' if using amd.
  36   libvtv_builddir=`${PWDCMD-pwd}`
  37   case $srcdir in
  38     [\\/$]* | ?:[\\/]*) libvtv_srcdir=${srcdir} ;;
  39     *) libvtv_srcdir=`cd "$srcdir" && ${PWDCMD-pwd} || echo "$srcdir"` ;;
  40   esac
  41   toplevel_builddir=${libvtv_builddir}/..
  42   toplevel_srcdir=${libvtv_srcdir}/..
  43   AC_SUBST(libvtv_builddir)
  44   AC_SUBST(libvtv_srcdir)
  45   AC_SUBST(toplevel_builddir)
  46   AC_SUBST(toplevel_srcdir)
  47 ])