configure: Fixed soname detection on MacOS by using otool instead of ldd.
diff --git a/aclocal.m4 b/aclocal.m4
index 80fb0c2..18e6096 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -39,7 +39,10 @@
[ac_get_soname_save_LIBS=$LIBS
LIBS="-l$1 $3 $LIBS"
AC_LINK_IFELSE([AC_LANG_CALL([], [$2])],
- [AS_VAR_SET(ac_Lib,[`$ac_cv_path_LDD conftest$ac_exeext | grep lib$1\\.$LIBEXT | sed -e "s/^.*\(lib$1\.$LIBEXT[[^ ]]*\).*$/\1/"';2,$d'`])
+ [case "$LIBEXT" in
+ dylib) AS_VAR_SET(ac_Lib,[`otool -L conftest$ac_exeext | grep lib$1\\.[[0-9A-Za-z.]]*dylib | sed -e "s/^.*\/\(lib$1\.[[0-9A-Za-z.]]*dylib\).*$/\1/"';2,$d'`]) ;;
+ so) AS_VAR_SET(ac_Lib,[`$ac_cv_path_LDD conftest$ac_exeext | grep lib$1\\.so | sed -e "s/^.*\(lib$1\.so[[^ ]]*\).*$/\1/"';2,$d'`]) ;;
+ esac
if test "x$ac_Lib" = "x"
then
AS_VAR_SET(ac_Lib,"lib$1.$LIBEXT")
