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Commit8b878bf

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Bump minimum version of Flex to 2.5.35
Since the retirement of some older buildfarm members, the oldest Flexthat gets regular testing is 2.5.35.Reviewed by Andres FreundDiscussion:https://www.postgresql.org/message-id/1097762.1662145681@sss.pgh.pa.us
1 parentb086a47 commit8b878bf

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6 files changed

+12
-14
lines changed

6 files changed

+12
-14
lines changed

‎config/programs.m4‎

Lines changed: 4 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -65,10 +65,8 @@ AC_SUBST(BISONFLAGS)
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# PGAC_PATH_FLEX
6666
# --------------
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# Look for Flex, set the output variable FLEX to its path if found.
68-
# Reject versions before 2.5.31, as we need a reasonably non-buggy reentrant
69-
# scanner. (Note: the well-publicized security problem in 2.5.31 does not
70-
# affect Postgres, and there are still distros shipping patched 2.5.31,
71-
# so allow it.) Also find Flex if its installed under `lex', but do not
68+
# Reject versions before 2.5.35 (the earliest version in the buildfarm
69+
# as of 2022). Also find Flex if its installed under `lex', but do not
7270
# accept other Lex programs.
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7472
AC_DEFUN([PGAC_PATH_FLEX],
@@ -92,14 +90,14 @@ else
9290
echo '%%' > conftest.l
9391
if $pgac_candidate -t conftest.l 2>/dev/null | grep FLEX_SCANNER >/dev/null 2>&1; then
9492
pgac_flex_version=`$pgac_candidate --version 2>/dev/null`
95-
if echo "$pgac_flex_version" | sed['s/[.a-z]/ /g'] | $AWK '{ if ([$]1 == 2 && ([$]2 > 5 || ([$]2 == 5 &&[$]3 >=31))) exit 0; else exit 1;}'
93+
if echo "$pgac_flex_version" | sed['s/[.a-z]/ /g'] | $AWK '{ if ([$]1 == 2 && ([$]2 > 5 || ([$]2 == 5 &&[$]3 >=35))) exit 0; else exit 1;}'
9694
then
9795
pgac_cv_path_flex=$pgac_candidate
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break 2
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else
10098
AC_MSG_WARN([
10199
*** The installed version of Flex, $pgac_candidate, is too old to use with PostgreSQL.
102-
*** Flex version 2.5.31 or later is required, but this is $pgac_flex_version.])
100+
*** Flex version 2.5.35 or later is required, but this is $pgac_flex_version.])
103101
fi
104102
fi
105103
fi

‎configure‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -10278,17 +10278,17 @@ else
1027810278
echo '%%' > conftest.l
1027910279
if $pgac_candidate -t conftest.l 2>/dev/null | grep FLEX_SCANNER >/dev/null 2>&1; then
1028010280
pgac_flex_version=`$pgac_candidate --version 2>/dev/null`
10281-
if echo "$pgac_flex_version" | sed 's/[.a-z]/ /g' | $AWK '{ if ($1 == 2 && ($2 > 5 || ($2 == 5 && $3 >=31))) exit 0; else exit 1;}'
10281+
if echo "$pgac_flex_version" | sed 's/[.a-z]/ /g' | $AWK '{ if ($1 == 2 && ($2 > 5 || ($2 == 5 && $3 >=35))) exit 0; else exit 1;}'
1028210282
then
1028310283
pgac_cv_path_flex=$pgac_candidate
1028410284
break 2
1028510285
else
1028610286
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
1028710287
*** The installed version of Flex, $pgac_candidate, is too old to use with PostgreSQL.
10288-
*** Flex version 2.5.31 or later is required, but this is $pgac_flex_version." >&5
10288+
*** Flex version 2.5.35 or later is required, but this is $pgac_flex_version." >&5
1028910289
$as_echo "$as_me: WARNING:
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*** The installed version of Flex, $pgac_candidate, is too old to use with PostgreSQL.
10291-
*** Flex version 2.5.31 or later is required, but this is $pgac_flex_version." >&2;}
10291+
*** Flex version 2.5.35 or later is required, but this is $pgac_flex_version." >&2;}
1029210292
fi
1029310293
fi
1029410294
fi

‎doc/src/sgml/install-windows.sgml‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -220,7 +220,7 @@ $ENV{MSBFLAGS}="/m";
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<productname>Bison</productname> and <productname>Flex</productname> are
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required to build from Git, but not required when building from a release
222222
file. Only <productname>Bison</productname> versions 2.3 and later
223-
will work. <productname>Flex</productname> must be version 2.5.31 or later.
223+
will work. <productname>Flex</productname> must be version 2.5.35 or later.
224224
</para>
225225

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<para>

‎doc/src/sgml/installation.sgml‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -314,7 +314,7 @@ su - postgres
314314
<application>Flex</application> and <application>Bison</application>
315315
are needed to build from a Git checkout, or if you changed the actual
316316
scanner and parser definition files. If you need them, be sure
317-
to get <application>Flex</application> 2.5.31 or later and
317+
to get <application>Flex</application> 2.5.35 or later and
318318
<application>Bison</application> 2.3 or later. Other <application>lex</application>
319319
and <application>yacc</application> programs cannot be used.
320320
</para>

‎src/backend/utils/misc/guc-file.l‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -332,8 +332,8 @@ record_config_file_error(const char *errmsg,
332332
/*
333333
* Flex fatal errors bring us here. Stash the error message and jump back to
334334
* ParseConfigFp(). Assume all msg arguments point to string constants; this
335-
* holds for flex 2.5.31 (earliest we support) and flex 2.5.35 (latest as of
336-
*this writing). Otherwise, we would need tocopy the message.
335+
* holds for flex 2.5.35 (earliest we support). Otherwise, we would need to
336+
* copy the message.
337337
*
338338
* We return "int" since this takes the place of calls to fprintf().
339339
*/

‎src/tools/msvc/pgflex.pl‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -21,7 +21,7 @@
2121
$flexver =~s/[^0-9.]//g;
2222
my@verparts =split(/\./,$flexver);
2323
unless ($verparts[0] == 2
24-
&& ($verparts[1] > 5 || ($verparts[1] == 5 &&$verparts[2] >=31)))
24+
&& ($verparts[1] > 5 || ($verparts[1] == 5 &&$verparts[2] >=35)))
2525
{
2626
print"WARNING! Flex install not found, or unsupported Flex version.\n";
2727
print"echo Attempting to build without.\n";

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