+# NOTE: This macro has been submitted for inclusion into #
+# GNU Autoconf as AC_PROG_SED. When it is available in #
+# a released version of Autoconf we should remove this #
+# macro and use it instead. #
+# LT_AC_PROG_SED
+# --------------
+# Check for a fully-functional sed program, that truncates
+# as few characters as possible. Prefer GNU sed if found.
+AC_DEFUN([LT_AC_PROG_SED],
+[AC_MSG_CHECKING([for a sed that does not truncate output])
+AC_CACHE_VAL(lt_cv_path_SED,
+[# Loop through the user's path and test for sed and gsed.
+# Then use that list of sed's as ones to test for truncation.
+as_executable_p="test -f"
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_prog in sed gsed; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
+ _sed_list="$_sed_list $as_dir/$ac_prog$ac_exec_ext"
+ fi
+ done
+ done
+done
+
+ # Create a temporary directory, and hook for its removal unless debugging.
+$debug ||
+{
+ trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0
+ trap '{ (exit 1); exit 1; }' 1 2 13 15
+}
+
+# Create a (secure) tmp directory for tmp files.
+: ${TMPDIR=/tmp}
+{
+ tmp=`(umask 077 && mktemp -d -q "$TMPDIR/sedXXXXXX") 2>/dev/null` &&
+ test -n "$tmp" && test -d "$tmp"
+} ||
+{
+ tmp=$TMPDIR/sed$$-$RANDOM
+ (umask 077 && mkdir $tmp)
+} ||
+{
+ echo "$me: cannot create a temporary directory in $TMPDIR" >&2
+ { (exit 1); exit 1; }
+}
+ _max=0
+ _count=0
+ # Add /usr/xpg4/bin/sed as it is typically found on Solaris
+ # along with /bin/sed that truncates output.
+ for _sed in $_sed_list /usr/xpg4/bin/sed; do
+ test ! -f ${_sed} && break
+ cat /dev/null > "$tmp/sed.in"
+ _count=0
+ echo ${ECHO_N-$ac_n} "0123456789${ECHO_C-$ac_c}" >"$tmp/sed.in"
+ # Check for GNU sed and select it if it is found.
+ if "${_sed}" --version 2>&1 < /dev/null | egrep '(GNU)' > /dev/null; then
+ lt_cv_path_SED=${_sed}
+ break
+ fi
+ while true; do
+ cat "$tmp/sed.in" "$tmp/sed.in" >"$tmp/sed.tmp"
+ mv "$tmp/sed.tmp" "$tmp/sed.in"
+ cp "$tmp/sed.in" "$tmp/sed.nl"
+ echo >>"$tmp/sed.nl"
+ ${_sed} -e 's/a$//' < "$tmp/sed.nl" >"$tmp/sed.out" || break
+ cmp -s "$tmp/sed.out" "$tmp/sed.nl" || break
+ # 40000 chars as input seems more than enough
+ test $_count -gt 10 && break
+ _count=`expr $_count + 1`
+ if test $_count -gt $_max; then
+ _max=$_count
+ lt_cv_path_SED=$_sed
+ fi
+ done
+ done
+ rm -rf "$tmp"
+])
+if test "X$SED" != "X"; then
+ lt_cv_path_SED=$SED
+else
+ SED=$lt_cv_path_SED
+fi
+AC_MSG_RESULT([$SED])
+])
+
projects / openldap / blobdiff