Re: finding datadir from executable

[Bob Friesenhahn]

On Sun, 5 Sep 2004, Nicholas R. Markham wrote:

> I recently decided to try to apply the suggestion mentioned in section 17.5 of
> the autoconf manual - namely, to hardcode only the relative path from prefix to
> datadir (or maybe from bindir to datadir) and try to determine prefix at
> runtime.  However, I'm not sure how to determine prefix at runtime.  Can anyone
> give me an example of how they did it?  Thanks.

#
# Evaluate shell variable equivalents to Makefile directory variables
#
if test "x$prefix" = xNONE
then
  prefix=$ac_default_prefix
fi
# Let make expand exec_prefix.
if test "x$exec_prefix" = xNONE
then
  exec_prefix='${prefix}'
fi

#
eval "eval PREFIX_DIR=${prefix}"
AC_SUBST(PREFIX_DIR)
eval "eval EXEC_PREFIX_DIR=${exec_prefix}"
AC_SUBST(EXEC_PREFIX_DIR)
eval "eval BIN_DIR=$bindir"
AC_SUBST(BIN_DIR)
eval "eval SBIN_DIR=$sbindir"
AC_SUBST(SBIN_DIR)
eval "eval LIBEXEC_DIR=$libexecdir"
AC_SUBST(LIBEXEC_DIR)
eval "eval DATA_DIR=$datadir"
AC_SUBST(DATA_DIR)
eval "eval SYSCONF_DIR=$sysconfdir"
AC_SUBST(SYSCONF_DIR)
eval "eval SHAREDSTATE_DIR=$sharedstatedir"
AC_SUBST(SHAREDSTATE_DIR)
eval "eval LOCALSTATE_DIR=$localstatedir"
AC_SUBST(LOCALSTATE_DIR)
eval "eval LIB_DIR=$libdir"
AC_SUBST(LIB_DIR)
eval "eval INCLUDE_DIR=$includedir"
AC_SUBST(INCLUDE_DIR)
eval "eval OLDINCLUDE_DIR=$oldincludedir"
AC_SUBST(OLDINCLUDE_DIR)
eval "eval INFO_DIR=$infodir"
AC_SUBST(INFO_DIR)
eval "eval MAN_DIR=$mandir"
AC_SUBST(MAN_DIR)

======================================
Bob Friesenhahn
address@hidden
http://www.simplesystems.org/users/bfriesen