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Revert "Allow --with-bonjour to work with non-macOS implementations of Bonjour."

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Upon further review, our Bonjour code doesn't actually work with the
Avahi not-too-compatible compatibility library.  While you can get it
to work on non-macOS platforms if you link to Apple's own mDNSResponder
code, there don't seem to be many people who care about that.  Leaving in
the AC_SEARCH_LIBS call seems more likely to encourage people to build
broken configurations than to do anything very useful.

Hence, remove the AC_SEARCH_LIBS call and put in a warning comment instead.

Discussion: https://postgr.es/m/2D8331C5-D64F-44C1-8717-63EDC6EAF7EB@brightforge.com
This commit is contained in:
Tom Lane
2017-11-09 11:00:36 -05:00
parent 9042e927ea
commit 89df643c3b
2 changed files with 6 additions and 93 deletions
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91
configure vendored
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@ -14775,97 +14775,6 @@ $as_echo "$as_me: error: header file <dns_sd.h> is required for Bonjour" >&2;}
fi
{ $as_echo "$as_me:$LINENO: checking for library containing DNSServiceRefSockFD" >&5
$as_echo_n "checking for library containing DNSServiceRefSockFD... " >&6; }
if test "${ac_cv_search_DNSServiceRefSockFD+set}" = set; then
$as_echo_n "(cached) " >&6
else
ac_func_search_save_LIBS=$LIBS
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char DNSServiceRefSockFD ();
int
main ()
{
return DNSServiceRefSockFD ();
;
return 0;
}
_ACEOF
for ac_lib in '' dns_sd; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
fi
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
$as_echo "$ac_try_echo") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext && {
test "$cross_compiling" = yes ||
$as_test_x conftest$ac_exeext
}; then
ac_cv_search_DNSServiceRefSockFD=$ac_res
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
fi
rm -rf conftest.dSYM
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext
if test "${ac_cv_search_DNSServiceRefSockFD+set}" = set; then
break
fi
done
if test "${ac_cv_search_DNSServiceRefSockFD+set}" = set; then
:
else
ac_cv_search_DNSServiceRefSockFD=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_DNSServiceRefSockFD" >&5
$as_echo "$ac_cv_search_DNSServiceRefSockFD" >&6; }
ac_res=$ac_cv_search_DNSServiceRefSockFD
if test "$ac_res" != no; then
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
else
{ { $as_echo "$as_me:$LINENO: error: could not find function 'DNSServiceRefSockFD' required for Bonjour" >&5
$as_echo "$as_me: error: could not find function 'DNSServiceRefSockFD' required for Bonjour" >&2;}
{ (exit 1); exit 1; }; }
fi
fi
# for contrib/uuid-ossp