File gdb-testsuite-add-have_host_locale.patch of Package gdb

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File gdb-testsuite-add-have_host_locale.patch of Package gdb

From f26e9f1ce8e47bca399116a99ffdbf0aff9f2080 Mon Sep 17 00:00:00 2001
From: Tom de Vries <tdevries@suse.de>
Date: Mon, 12 Jun 2023 18:00:10 +0200
Subject: [PATCH 3/9] [gdb/testsuite] Add have_host_locale

With test-case gdb.tui/pr30056.exp, I run into:
...
sh: warning: setlocale: LC_ALL: cannot change locale (C.UTF-8)^M
...
and then subsequently into:
...
WARNING: timeout in accept_gdb_output
FAIL: gdb.tui/pr30056.exp: Control-C
...

This is on a CentOS 7 distro for powerpc64le.

Either it has no C.UTF-8 support, or it's not installed:
...
$ locale -a | grep ^C
C
$
...

Fix this by:
- adding a new proc have_host_locale, and
- using it in all test-cases using setenv LC_ALL.

Tested on powerpc64le-linux and x86_64-linux.
---
 gdb/testsuite/gdb.ada/non-ascii-latin-1.exp |  1 +
 gdb/testsuite/gdb.ada/non-ascii-latin-3.exp |  1 +
 gdb/testsuite/gdb.ada/non-ascii-utf-8.exp   |  1 +
 gdb/testsuite/gdb.base/utf8-identifiers.exp |  2 ++
 gdb/testsuite/gdb.rust/unicode.exp          |  1 +
 gdb/testsuite/lib/gdb.exp                   | 36 +++++++++++++++++++++
 6 files changed, 42 insertions(+)

diff --git a/gdb/testsuite/gdb.ada/non-ascii-latin-1.exp b/gdb/testsuite/gdb.ada/non-ascii-latin-1.exp
index ad4ccde625b..472e049737b 100644
--- a/gdb/testsuite/gdb.ada/non-ascii-latin-1.exp
+++ b/gdb/testsuite/gdb.ada/non-ascii-latin-1.exp
@@ -18,6 +18,7 @@
 load_lib "ada.exp"
 
 if { [skip_ada_tests] } { return -1 }
+if { ![have_host_locale C.UTF-8] } { return -1 }
 
 # Enable basic use of UTF-8.  LC_ALL gets reset for each testfile.  We
 # want this despite the program itself using Latin-1, as this test is
diff --git a/gdb/testsuite/gdb.ada/non-ascii-latin-3.exp b/gdb/testsuite/gdb.ada/non-ascii-latin-3.exp
index f2bdd99d243..6f826427ad3 100644
--- a/gdb/testsuite/gdb.ada/non-ascii-latin-3.exp
+++ b/gdb/testsuite/gdb.ada/non-ascii-latin-3.exp
@@ -18,6 +18,7 @@
 load_lib "ada.exp"
 
 if { [skip_ada_tests] } { return -1 }
+if { ![have_host_locale C.UTF-8] } { return -1 }
 
 # Enable basic use of UTF-8.  LC_ALL gets reset for each testfile.  We
 # want this despite the program itself using Latin-1, as this test is
diff --git a/gdb/testsuite/gdb.ada/non-ascii-utf-8.exp b/gdb/testsuite/gdb.ada/non-ascii-utf-8.exp
index d3c1ac4d0cf..7dcfb71bbb3 100644
--- a/gdb/testsuite/gdb.ada/non-ascii-utf-8.exp
+++ b/gdb/testsuite/gdb.ada/non-ascii-utf-8.exp
@@ -18,6 +18,7 @@
 load_lib "ada.exp"
 
 if { [skip_ada_tests] } { return -1 }
+if { ![have_host_locale C.UTF-8] } { return -1 }
 
 # Enable basic use of UTF-8.  LC_ALL gets reset for each testfile.
 setenv LC_ALL C.UTF-8
diff --git a/gdb/testsuite/gdb.base/utf8-identifiers.exp b/gdb/testsuite/gdb.base/utf8-identifiers.exp
index a6ef80fb0bd..7babe237dfb 100644
--- a/gdb/testsuite/gdb.base/utf8-identifiers.exp
+++ b/gdb/testsuite/gdb.base/utf8-identifiers.exp
@@ -21,6 +21,8 @@
 
 load_lib completion-support.exp
 
+if { ![have_host_locale C.UTF-8] } { return -1 }
+
 standard_testfile
 
 # Enable basic use of UTF-8.  LC_ALL gets reset for each testfile.
diff --git a/gdb/testsuite/gdb.rust/unicode.exp b/gdb/testsuite/gdb.rust/unicode.exp
index 63ed8d1250c..185eae008f6 100644
--- a/gdb/testsuite/gdb.rust/unicode.exp
+++ b/gdb/testsuite/gdb.rust/unicode.exp
@@ -19,6 +19,7 @@ load_lib rust-support.exp
 if {[skip_rust_tests]} {
     return
 }
+if { ![have_host_locale C.UTF-8] } { return }
 
 # Non-ASCII identifiers were allowed starting in 1.53.
 set v [split [rust_compiler_version] .]
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index 0b8a15f61cb..cd043ce3436 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -9452,5 +9452,41 @@ proc have_syscall { name } {
     return [gdb_can_simple_compile have_syscall_$name $src object]
 }
 
+# Return a list of supported host locales.
+
+gdb_caching_proc host_locales {
+    set result [remote_exec host "locale -a"]
+    set status [lindex $result 0]
+    set output [lindex $result 1]
+
+    if { $status != 0 } {
+	return {}
+    }
+
+    # Split into list.
+    set output [string trim $output]
+    set l [split $output \n]
+
+    # Trim items.
+    set l [lmap v $l { string trim $v }]
+
+    # Normalize items to lower-case.
+    set l [lmap v $l { string tolower $v }]
+
+    return $l
+}
+
+# Return 1 if host locale LOCALE is supported.
+
+proc have_host_locale { locale } {
+    # Normalize to lower-case.
+    set locale [string tolower $locale]
+    # Normalize to without dash.
+    set locale [string map { "-" "" } $locale]
+
+    set idx [lsearch [host_locales] $locale]
+    return [expr $idx != -1]
+}
+
 # Always load compatibility stuff.
 load_lib future.exp
-- 
2.35.3

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File gdb-testsuite-add-have_host_locale.patch of Package gdb

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