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Set minimum required version of zstd as 1.4.0.

Browse Source 
It emerges that our new zstd code depends on features that were not
present (or at least not enabled by default) in zstd before 1.4.0.
That's already four years old, so there's little reason to try to
make our code work with something older.  Instead make configure
check that zstd is at least 1.4.0, and document this requirement.

Justin Pryzby (doc changes by me)

Discussion: https://postgr.es/m/efbd94cd1102f99fd1300e44905ee4a994ee2ef6.camel@gunduz.org
This commit is contained in:
Tom Lane
2022-04-01 11:05:52 -04:00
parent c1932e5428
commit 479b69a4a5
3 changed files with 16 additions and 15 deletions
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22
configure vendored
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@ -9092,19 +9092,19 @@ $as_echo "$with_zstd" >&6; }
if test "$with_zstd" = yes; then
pkg_failed=no
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libzstd" >&5
$as_echo_n "checking for libzstd... " >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libzstd >= 1.4.0" >&5
$as_echo_n "checking for libzstd >= 1.4.0... " >&6; }
if test -n "$ZSTD_CFLAGS"; then
pkg_cv_ZSTD_CFLAGS="$ZSTD_CFLAGS"
elif test -n "$PKG_CONFIG"; then
if test -n "$PKG_CONFIG" && \
{ { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libzstd\""; } >&5
($PKG_CONFIG --exists --print-errors "libzstd") 2>&5
{ { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libzstd >= 1.4.0\""; } >&5
($PKG_CONFIG --exists --print-errors "libzstd >= 1.4.0") 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; then
pkg_cv_ZSTD_CFLAGS=`$PKG_CONFIG --cflags "libzstd" 2>/dev/null`
pkg_cv_ZSTD_CFLAGS=`$PKG_CONFIG --cflags "libzstd >= 1.4.0" 2>/dev/null`
test "x$?" != "x0" && pkg_failed=yes
else
pkg_failed=yes
@ -9116,12 +9116,12 @@ if test -n "$ZSTD_LIBS"; then
pkg_cv_ZSTD_LIBS="$ZSTD_LIBS"
elif test -n "$PKG_CONFIG"; then
if test -n "$PKG_CONFIG" && \
{ { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libzstd\""; } >&5
($PKG_CONFIG --exists --print-errors "libzstd") 2>&5
{ { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libzstd >= 1.4.0\""; } >&5
($PKG_CONFIG --exists --print-errors "libzstd >= 1.4.0") 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; then
pkg_cv_ZSTD_LIBS=`$PKG_CONFIG --libs "libzstd" 2>/dev/null`
pkg_cv_ZSTD_LIBS=`$PKG_CONFIG --libs "libzstd >= 1.4.0" 2>/dev/null`
test "x$?" != "x0" && pkg_failed=yes
else
pkg_failed=yes
@ -9142,14 +9142,14 @@ else
_pkg_short_errors_supported=no
fi
if test $_pkg_short_errors_supported = yes; then
ZSTD_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libzstd" 2>&1`
ZSTD_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libzstd >= 1.4.0" 2>&1`
else
ZSTD_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libzstd" 2>&1`
ZSTD_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libzstd >= 1.4.0" 2>&1`
fi
# Put the nasty error message in config.log where it belongs
echo "$ZSTD_PKG_ERRORS" >&5
as_fn_error $? "Package requirements (libzstd) were not met:
as_fn_error $? "Package requirements (libzstd >= 1.4.0) were not met:
$ZSTD_PKG_ERRORS