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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Nov 2022 17:58:00.4911 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9fadea3e-a4ad-48a0-19a2-08dabcfbc807 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DBAEUR03FT049.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR08MB7864 X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,FORGED_SPF_HELO,KAM_DMARC_NONE,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,TXREP,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 11/2/22 18:29, Joseph Myers wrote: > On Wed, 2 Nov 2022, Christophe Lyon via Gcc-patches wrote: > >> +# Sanity check: make sure we have as many dirnames as options >> +if [ -n "${dirnames}" ]; then >> + options_arr=($options) > > This is an sh script; arrays are a bash feature. Building GCC isn't > supposed to need bash (or to rely on $(SHELL) being bash, even when bash > is available - many GNU/Linux systems use dash for /bin/sh), only a POSIX > shell. > That's what I feared, and I did "try to try" to build with dash, but I realize now that changing SHELL in the generated gcc/Makefile is not enough since it's defined by the higher level Makefile/config.status. Indeed rebuilding from scratch with CONFIG_SHELL=/bin/dash fails with my patch. We have lived with that behavior for years, so it's not that bad anyway :-) Thanks, Christophe