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(localhost [IPv6:::1]) by gnu-cfl-3.localdomain (Postfix) with ESMTP id 2C64B740164 for ; Wed, 31 Jan 2024 10:54:32 -0800 (PST) From: "H.J. Lu" To: gcc-patches@gcc.gnu.org Subject: [PATCH] Assuming the working GNU assembler with --with-gnu-as Date: Wed, 31 Jan 2024 10:54:31 -0800 Message-ID: <20240131185432.354052-1-hjl.tools@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-Spam-Status: No, score=-3023.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org When configuring GCC with --target=TARGET to build a cross compiler to reproduce a compiler bug, as and collect have ORIGINAL_AS_FOR_TARGET="" As the result, many target features are disabled which makes it almost impossible to reproduce the bug. Without assembler, the GCC build won't finish and the run-time libraries won't build. But the GCC itself can be built. It is very useful for debugging GCC with a cross compiler. Enable GNU assembler features for --with-gnu-as if assembler isn't available. PR target/113684 * acinclude.m4 (gcc_GAS_CHECK_FEATURE): Assuming the working GNU assembler for --with-gnu-as if assembler isn't available. * configure: Regenerated. --- gcc/acinclude.m4 | 3 + gcc/configure | 492 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 495 insertions(+) diff --git a/gcc/acinclude.m4 b/gcc/acinclude.m4 index 425146719cf..3c959748f97 100644 --- a/gcc/acinclude.m4 +++ b/gcc/acinclude.m4 @@ -493,6 +493,9 @@ AC_CACHE_CHECK([assembler for $1], [$2], cat conftest.s >&AS_MESSAGE_LOG_FD fi rm -f conftest.o conftest.s + elif test x$gcc_cv_as = x -a x$gas_flag = xyes ; then + AC_MSG_WARN([Assume the working GNU assembler]) + [$2]=yes fi]) ifelse([$6],,,[dnl if test $[$2] = yes; then