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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug testsuite/26954] FAIL: gdb.base/float128.exp: print large128
 (GDB may be missing MPFR support!)
Date: Thu, 26 Nov 2020 16:59:28 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26954

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Tentative patch:
...
diff --git a/gdb/testsuite/gdb.base/float128.exp
b/gdb/testsuite/gdb.base/float128.exp
index 40babca..9508982 100644
--- a/gdb/testsuite/gdb.base/float128.exp
+++ b/gdb/testsuite/gdb.base/float128.exp
@@ -32,6 +32,16 @@ if { [do_compile] !=3D "" && [do_compile {-mfloat128}] !=
=3D "" }
{

 clean_restart ${binfile}

+set mpfr_supported -1
+gdb_test_multiple "show configuration" "" {
+    -wrap -re "--with-mpfr\r\n.*" {
+       set mpfr_supported 1
+    }
+    -wrap -re "--without-mpfr\r\n.*" {
+       set mpfr_supported 0
+    }
+}
+
 if ![runto_main] then {
     perror "couldn't run to breakpoint"
     continue
@@ -84,7 +94,11 @@ gdb_test_multiple "print large128" "$test" {
        pass "$test"
     }
     -re ".* =3D inf.*$gdb_prompt $" {
-       fail "$test (GDB may be missing MPFR support!)"
+       if { $mpfr_supported =3D=3D 0 } {
+           unsupported "$test (Missing MPFR support)"
+       } else {
+           fail $test
+       }
     }
     -re ".*$gdb_prompt $" {
        fail "$test"
...

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