Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
  Fixed bug #80393

Author: nikic

NEWS

@@ -7,6 +7,8 @@ PHP                                                                        NEWS
     (cmb)
   . Fixed bug #72964 (White space not unfolded for CC/Bcc headers). (cmb)
   . Fixed bug #80391 (Iterable not covariant to mixed). (Nikita)
+  . Fixed bug #80393 (Build of PHP extension fails due to configuration gap
+    with libtool). (kir dot morozov at gmail dot com)
 
 - Fileinfo:
   . Fixed bug #77961 (finfo_open crafted magic parsing SIGABRT). (cmb)

build/libtool.m4

@@ -340,7 +340,7 @@ AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS],[
      _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
    10.[[012]]*)
      _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
-   10.*)
+   *)
      _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
       esac
     ;;
@@ -1522,7 +1522,7 @@ darwin* | rhapsody*)
   shlibpath_var=DYLD_LIBRARY_PATH
   shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
   ifelse([$1], [],[
-  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"]) 
+  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"])
   sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
   ;;
 
@@ -5800,7 +5800,7 @@ _LT_EOF
              10.[[012]])
                _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
                ;;
-             10.*)
+             *)
                _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-undefined ${wl}dynamic_lookup'
                ;;
            esac