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acinclude.m4
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acinclude.m4
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dnl
dnl File: acinclude.m4
dnl Revision: 1.10
dnl Last Mod: 2005/11/13
dnl Created: 1994/06/19
dnl Author: Leif Hedstrom<hedstrom@inf.ethz.ch>
dnl Martin S. Utesch <wstd@hl.siemens.de>
dnl Peter W. Osel <pwo@guug.de>
dnl Modified: R.K.Owen <rk@owen.sj.ca.us>
dnl
dnl Search a set of full-path file names, and select the first one
dnl that we can locate. Works a little bit like AC_PATH_PROG, but
dnl search paths can be defined with $3.
dnl
AC_DEFUN([EM_PATH_PROG_SEARCH],
[# Extract the first word of "$2", so it can be a program name with args.
set dummy $2; ac_word=[$]2
AC_MSG_CHECKING([for $ac_word])
AC_CACHE_VAL(ac_cv_path_$1,
[case "[$]$1" in
/*)
ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
;;
*)
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in $3; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$ac_word; then
ac_cv_path_$1="$ac_dir/$ac_word"
break
fi
done
IFS="$ac_save_ifs"
dnl If no 4th arg is given, leave the cache variable unset,
dnl so AC_PATH_PROG_SEARCH will keep looking.
ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
])dnl
;;
esac])dnl
$1="$ac_cv_path_$1"
if test -n "[$]$1"; then
AC_MSG_RESULT([$]$1)
else
AC_MSG_RESULT(no)
fi
AC_SUBST($1)dnl
])
dnl --------------------------------------------------------------
dnl AC_SET_STATIC(VARIABLE [, VALUE])
dnl
dnl Define a substition variable ($1) to be a reasonable option to
dnl link the binary `static'. $2 is the option as provided with
dnl the command line switch, e.g. yes, no, "-static" etc.
dnl
AC_DEFUN([EM_SET_STATIC], [
AC_MSG_CHECKING([for static linking flag])
if test "$2" = "yes"; then
if test "$CC" = "gcc"; then
$1="-static"
AC_MSG_RESULT([setting $1 to '-static'])
elif test "$UNAME" != ""; then
os_system=`$UNAME -s`
if test "$os_system" = "IRIX"; then
$1="-non_shared"
AC_MSG_RESULT([setting $1 to '-non_shared'])
else
$1="-Bstatic"
AC_MSG_RESULT([setting $1 to '-Bstatic'])
fi
else
$1="-Bstatic"
AC_MSG_RESULT([setting $1 to '-Bstatic'])
fi
elif test "$2" != "no"; then
AC_MSG_RESULT([setting $1 to '$2'])
$1=$2
else
test "$2" != "no" && $1=$2
AC_MSG_RESULT(no)
fi])dnl
dnl --------------------------------------------------------------