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Commit7d7b129

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Fix configure's incorrect version tests for flex and perl.
awk's equality-comparison operator is "==" not "=". We got this rightin many places, but not in configure's checks for supported versionnumbers of flex and perl. It hadn't been noticed because unsupportedversions are so old as to be basically extinct in the wild, and becausethe only consequence is whether or not a WARNING flies by duringconfigure.Daniel Gustafsson noted the problem with respect to the test for flex,I found the other by reviewing other awk calls.
1 parent37d0c2c commit7d7b129

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3 files changed

+4
-4
lines changed

3 files changed

+4
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lines changed

‎config/perl.m4

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -13,7 +13,7 @@ if test "$PERL"; then
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pgac_perl_version=`$PERL -v 2>/dev/null | sed -n['s/This is perl.*v[a-z]*\([0-9]\.[0-9][0-9.]*\).*$/\1/p']`
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AC_MSG_NOTICE([using perl $pgac_perl_version])
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if echo "$pgac_perl_version" | sed['s/[.a-z_]/ /g'] | \
16-
$AWK '{ if ([$]1 = 5 &&[$]2 >= 8) exit 1; else exit 0;}'
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$AWK '{ if ([$]1 == 5 &&[$]2 >= 8) exit 1; else exit 0;}'
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then
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AC_MSG_WARN([
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*** The installed version of Perl, $PERL, is too old to use with PostgreSQL.

‎config/programs.m4

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -77,7 +77,7 @@ else
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echo '%%' > conftest.l
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if $pgac_candidate -t conftest.l 2>/dev/null | grep FLEX_SCANNER >/dev/null 2>&1; then
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pgac_flex_version=`$pgac_candidate --version 2>/dev/null`
80-
if echo "$pgac_flex_version" | sed['s/[.a-z]/ /g'] | $AWK '{ if ([$]1 = 2 && ([$]2 > 5 || ([$]2 = 5 &&[$]3 >= 31))) exit 0; else exit 1;}'
80+
if echo "$pgac_flex_version" | sed['s/[.a-z]/ /g'] | $AWK '{ if ([$]1 == 2 && ([$]2 > 5 || ([$]2== 5 &&[$]3 >= 31))) exit 0; else exit 1;}'
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then
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pgac_cv_path_flex=$pgac_candidate
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break 2

‎configure

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -7358,7 +7358,7 @@ else
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echo'%%'> conftest.l
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if$pgac_candidate -t conftest.l2>/dev/null| grep FLEX_SCANNER>/dev/null2>&1;then
73607360
pgac_flex_version=`$pgac_candidate --version2>/dev/null`
7361-
ifecho"$pgac_flex_version"| sed's/[.a-z]/ /g'|$AWK'{ if ($1 = 2 && ($2 > 5 || ($2 = 5 && $3 >= 31))) exit 0; else exit 1;}'
7361+
ifecho"$pgac_flex_version"| sed's/[.a-z]/ /g'|$AWK'{ if ($1 == 2 && ($2 > 5 || ($2== 5 && $3 >= 31))) exit 0; else exit 1;}'
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then
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pgac_cv_path_flex=$pgac_candidate
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break 2
@@ -7456,7 +7456,7 @@ if test "$PERL"; then
74567456
{$as_echo"$as_me:${as_lineno-$LINENO}: using perl$pgac_perl_version">&5
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$as_echo"$as_me: using perl$pgac_perl_version">&6;}
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ifecho"$pgac_perl_version"| sed's/[.a-z_]/ /g'| \
7459-
$AWK'{ if ($1 = 5 && $2 >= 8) exit 1; else exit 0;}'
7459+
$AWK'{ if ($1 == 5 && $2 >= 8) exit 1; else exit 0;}'
74607460
then
74617461
{$as_echo"$as_me:${as_lineno-$LINENO}: WARNING:
74627462
*** The installed version of Perl,$PERL, is too old to use with PostgreSQL.

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