Retro68/gcc/libvtv/acinclude.m4
2018-12-28 16:30:48 +01:00

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dnl ----------------------------------------------------------------------
dnl This whole bit snagged from libgfortran.
sinclude(../libtool.m4)
sinclude(../config/enable.m4)
sinclude(../config/cet.m4)
dnl The lines below arrange for aclocal not to bring an installed
dnl libtool.m4 into aclocal.m4, while still arranging for automake to
dnl add a definition of LIBTOOL to Makefile.in.
ifelse(,,,[AC_SUBST(LIBTOOL)
AC_DEFUN([AM_PROG_LIBTOOL])
])
dnl
dnl Initialize the rest of the library configury. At this point we have
dnl variables like $host.
dnl
dnl Substs:
dnl libvtv_builddir (absolute path)
dnl libvtv_srcdir (absolute path)
dnl toplevel_builddir (absolute path)
dnl toplevel_srcdir (absolute path)
dnl with_cross_host
dnl with_newlib
dnl with_target_subdir
dnl plus
dnl - the variables in LIBVTV_CHECK_HOST / configure.host
dnl - default settings for all AM_CONDITIONAL test variables
dnl - lots of tools, like CC and CXX
dnl
AC_DEFUN([LIBVTV_CONFIGURE], [
# These need to be absolute paths, yet at the same time need to
# canonicalize only relative paths, because then amd will not unmount
# drives. Thus the use of PWDCMD: set it to 'pawd' or 'amq -w' if using amd.
libvtv_builddir=`${PWDCMD-pwd}`
case $srcdir in
[\\/$]* | ?:[\\/]*) libvtv_srcdir=${srcdir} ;;
*) libvtv_srcdir=`cd "$srcdir" && ${PWDCMD-pwd} || echo "$srcdir"` ;;
esac
toplevel_builddir=${libvtv_builddir}/..
toplevel_srcdir=${libvtv_srcdir}/..
AC_SUBST(libvtv_builddir)
AC_SUBST(libvtv_srcdir)
AC_SUBST(toplevel_builddir)
AC_SUBST(toplevel_srcdir)
])