configure: Suppress multiple definitions warnings from the MacOS linker.
diff --git a/configure b/configure
index f61d4d0..d8c326a 100755
--- a/configure
+++ b/configure
@@ -2422,7 +2422,7 @@
# in a Makefile. We should not override ac_cv_exeext if it was cached,
# so that the user can short-circuit this test for compilers unknown to
# Autoconf.
-for ac_file in $ac_files
+for ac_file in $ac_files ''
do
test -f "$ac_file" || continue
case $ac_file in
@@ -2450,6 +2450,12 @@
test "$ac_cv_exeext" = no && ac_cv_exeext=
else
+ ac_file=''
+fi
+
+{ echo "$as_me:$LINENO: result: $ac_file" >&5
+echo "${ECHO_T}$ac_file" >&6; }
+if test -z "$ac_file"; then
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
@@ -2461,8 +2467,6 @@
fi
ac_exeext=$ac_cv_exeext
-{ echo "$as_me:$LINENO: result: $ac_file" >&5
-echo "${ECHO_T}$ac_file" >&6; }
# Check that the compiler produces executables we can run. If not, either
# the compiler is broken, or we cross compile.
@@ -17077,7 +17081,7 @@
if test "$ac_cv_c_dll_macho" = "yes"
then
LIBEXT="dylib"
- LDDLLFLAGS="-bundle"
+ LDDLLFLAGS="-bundle -multiply_defined suppress"
LDSHARED="\$(CC) -dynamiclib -install_name @executable_path/\`\$(RELPATH) \$(bindir) \$(libdir)\`/\$(DYNAME) \$(SOVERSION:%=-compatibility_version %)"
STRIP="$STRIP -u -r"
COREFOUNDATIONLIB="-framework CoreFoundation"
@@ -24801,7 +24805,7 @@
Usage: $0 [OPTIONS] [FILE]...
-h, --help print this help, then exit
- -V, --version print version number, then exit
+ -V, --version print version number and configuration settings, then exit
-q, --quiet do not print progress messages
-d, --debug don't remove temporary files
--recheck update $as_me by reconfiguring in the same conditions
