In flex --version test, redirect stdin to /dev/null, because some lex' hang

waiting for input.  From Pete Forman <gsez020@kryten.bedford.waii.com>.
This commit is contained in:
Peter Eisentraut 2000-10-26 16:28:01 +00:00
parent a9adde36ea
commit 07ac8e94c7
2 changed files with 4 additions and 4 deletions

View File

@ -1,4 +1,4 @@
# $Header: /cvsroot/pgsql/config/programs.m4,v 1.1 2000/08/28 11:53:13 petere Exp $
# $Header: /cvsroot/pgsql/config/programs.m4,v 1.2 2000/10/26 16:28:00 petere Exp $
# PGAC_PATH_FLEX
@ -22,7 +22,7 @@ else
for pgac_prog in flex lex; do
pgac_candidate="$pgac_dir/$pgac_prog"
if test -f "$pgac_candidate" \
&& $pgac_candidate --version >/dev/null 2>&1
&& $pgac_candidate --version </dev/null >/dev/null 2>&1
then
echo '%%' > conftest.l
if $pgac_candidate -t conftest.l 2>/dev/null | grep FLEX_SCANNER >/dev/null 2>&1; then

4
configure vendored
View File

@ -2550,7 +2550,7 @@ INSTALL_SHLIB="\${INSTALL} $INSTL_SHLIB_OPTS"
for ac_prog in mawk gawk nawk awk
for ac_prog in gawk mawk nawk awk
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
@ -2602,7 +2602,7 @@ else
for pgac_prog in flex lex; do
pgac_candidate="$pgac_dir/$pgac_prog"
if test -f "$pgac_candidate" \
&& $pgac_candidate --version >/dev/null 2>&1
&& $pgac_candidate --version </dev/null >/dev/null 2>&1
then
echo '%%' > conftest.l
if $pgac_candidate -t conftest.l 2>/dev/null | grep FLEX_SCANNER >/dev/null 2>&1; then