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Skip test for IPC::Run if user is overriding our search for PROVE.

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The check for IPC::Run we added in commit c254970ad is useful in simple
cases, but there are real use-cases where "prove" is coming from a
different Perl installation than the "perl" we want to use to build.
In such cases asking whether "perl" knows about IPC::Run is irrelevant
and can cause an unnecessary configure failure.  Hence, if user has
specified a value for PROVE, skip the IPC::Run check.  Per discussion
with Andrew Dunstan.

Discussion: https://postgr.es/m/E1dcE5n-0005Sk-UE@gemulon.postgresql.org
This commit is contained in:
Tom Lane
2017-08-07 16:42:18 -04:00
parent cdc47d1f39
commit 8014d2afa7
2 changed files with 72 additions and 66 deletions
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123
configure vendored
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@ -16457,67 +16457,11 @@ fi
# Check for test tools
#
if test "$enable_tap_tests" = yes; then
# Check for necessary modules, unless user has specified the "prove" to use;
# in that case it's her responsibility to have a working configuration.
# (prove might be part of a different Perl installation than perl, eg on
# MSys, so the result of AX_PROG_PERL_MODULES could be irrelevant anyway.)
if test -z "$PROVE"; then
for ac_prog in prove
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_path_PROVE+:} false; then :
$as_echo_n "(cached) " >&6
else
case $PROVE in
[\\/]* | ?:[\\/]*)
ac_cv_path_PROVE="$PROVE" # Let the user override the test with a path.
;;
*)
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_exec_ext in '' $ac_executable_extensions; do
if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
ac_cv_path_PROVE="$as_dir/$ac_word$ac_exec_ext"
$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
break 2
fi
done
done
IFS=$as_save_IFS
;;
esac
fi
PROVE=$ac_cv_path_PROVE
if test -n "$PROVE"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $PROVE" >&5
$as_echo "$PROVE" >&6; }
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
test -n "$PROVE" && break
done
else
# Report the value of PROVE in configure's output in all cases.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for PROVE" >&5
$as_echo_n "checking for PROVE... " >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $PROVE" >&5
$as_echo "$PROVE" >&6; }
fi
if test -z "$PROVE"; then
as_fn_error $? "prove not found" "$LINENO" 5
fi
if test -z "$PERL"; then
as_fn_error $? "Perl not found" "$LINENO" 5
fi
# Check for necessary modules
@ -16595,6 +16539,65 @@ else
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: could not find perl" >&5
$as_echo "$as_me: WARNING: could not find perl" >&2;}
fi
fi
# Now make sure we know where prove is
if test -z "$PROVE"; then
for ac_prog in prove
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_path_PROVE+:} false; then :
$as_echo_n "(cached) " >&6
else
case $PROVE in
[\\/]* | ?:[\\/]*)
ac_cv_path_PROVE="$PROVE" # Let the user override the test with a path.
;;
*)
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_exec_ext in '' $ac_executable_extensions; do
if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
ac_cv_path_PROVE="$as_dir/$ac_word$ac_exec_ext"
$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
break 2
fi
done
done
IFS=$as_save_IFS
;;
esac
fi
PROVE=$ac_cv_path_PROVE
if test -n "$PROVE"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $PROVE" >&5
$as_echo "$PROVE" >&6; }
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
test -n "$PROVE" && break
done
else
# Report the value of PROVE in configure's output in all cases.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for PROVE" >&5
$as_echo_n "checking for PROVE... " >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $PROVE" >&5
$as_echo "$PROVE" >&6; }
fi
if test -z "$PROVE"; then
as_fn_error $? "prove not found" "$LINENO" 5
fi
fi
# Thread testing