PR32715, ld-elf/pr29072 fail with --disable-default-execstack

[Alan Modra]

--disable-default-stack is an alias for --enable-default-execstack=no.
The existing check only looked for the latter config option.

	PR 32715
	* testsuite/ld-elf/elf.exp (target_defaults_to_execstack): Look
	in config.h for result of --enable-default-execstack.

diff --git a/ld/testsuite/ld-elf/elf.exp b/ld/testsuite/ld-elf/elf.exp
index 19e9b16c9da..7e69940dc25 100644
--- a/ld/testsuite/ld-elf/elf.exp
+++ b/ld/testsuite/ld-elf/elf.exp
@@ -199,15 +199,17 @@ proc target_defaults_to_execstack {} {
 
     # If the linker has been configured with --enable-default-execstack=no then
     # this proc should always return 0.
-    if { [file exists $base_dir/config.status] } {
-	set status [remote_exec host grep "enable-default-execstack=no" $base_dir/config.status]
+    set f $base_dir/config.h
+    set s {DEFAULT_LD_EXECSTACK\ 0}
+    if { [file exists $f] } {
+	set status [remote_exec host grep $s $f]
 	if { [lindex $status 0] == 0 } {
 	    return 0
 	} else {
-	    verbose -log "$base_dir/config.status does not contain enable-default-execstack=no"
+	    verbose -log "$f does not contain $s"
 	}
     } else {
-	verbose -log "there is no file $base_dir/config.status"
+	verbose -log "there is no file $f"
     }
     
     if {   [istarget "aarch64*-*-*"]

-- 
Alan Modra