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dnl $Id$
dnl
dnl Misc utility macros for subdir handling to work around missing abilities
dnl in autoconf, automake and structural issues with RTEMS
dnl
dnl Contains parts derived from autoconf-2.13 AC_OUTPUT_SUBDIRS and Cygnus'
dnl configure.in.
dnl
dnl
dnl _RTEMS_PUSH_BUILDDIR(SUBDIR)
dnl
AC_DEFUN(_RTEMS_PUSH_BUILDDIR,
[
# _RTEMS_PUSH_BUILDDIR
echo configuring in $1
case "$srcdir" in
.) ;;
*) AS_MKDIR_P([$1])
;;
esac
ac_popdir=`pwd`
cd $1
])
dnl
dnl _RTEMS_POP_BUILDDIR
dnl
AC_DEFUN(_RTEMS_POP_BUILDDIR,
[
cd $ac_popdir
])
dnl
dnl _RTEMS_GIVEN_INSTALL
dnl
AC_DEFUN(_RTEMS_GIVEN_INSTALL,
[
ifdef([AC_PROVIDE_AC_PROG_INSTALL],[
case "$ac_given_INSTALL" in
[[\\/]]* | ?:[[\\/]]*) INSTALL="$ac_given_INSTALL" ;;
*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
esac
])dnl
])
dnl
dnl _AC_DOTS(PATH)
dnl
AC_DEFUN(_AC_DOTS,[
# A "../" for each directory in $1.
ac_dots=`echo $1 | \
sed -e 's%^\./%%' -e 's%[[^/]]$%&/%' -e 's%[[^/]]*/%../%g'`
])
dnl
dnl _RTEMS_ADJUST_SRCDIR(REVAR,CONFIG_DIR[,TARGET_SUBDIR])
dnl
AC_DEFUN(_RTEMS_ADJUST_SRCDIR,[
_AC_DOTS(ifelse([$3], ,[$2],[$3/$2]))
case "$srcdir" in
.) # No --srcdir option. We are building in place.
$1=$srcdir ;;
[[\\/]]* | ?:[[\\/]]*) # Absolute path.
$1=$srcdir/$2 ;;
*) # Relative path.
$1=$ac_dots$srcdir/$2 ;;
esac
])
dnl
dnl _RTEMS_SUB_SRCDIR(AC_CONFIG_DIR[,TARGET_SUBDIR])
dnl
AC_DEFUN(_RTEMS_SUB_SRCDIR,[
# _RTEMS_SUB_SRCDIR
_RTEMS_ADJUST_SRCDIR(ac_sub_srcdir,$1,$2)
# Check for configure
if test -f $ac_sub_srcdir/configure; then
ac_sub_configure=$ac_sub_srcdir/configure
else
AC_MSG_WARN([no configuration information is in $1])
ac_sub_configure=
fi
])
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