From patchwork Thu Jun 23 11:39:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Huber X-Patchwork-Id: 55324 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 35C4338515DC for ; Thu, 23 Jun 2022 11:46:04 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from dedi548.your-server.de (dedi548.your-server.de [85.10.215.148]) by sourceware.org (Postfix) with ESMTPS id F01D53856263 for ; Thu, 23 Jun 2022 11:39:35 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org F01D53856263 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=embedded-brains.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=embedded-brains.de Received: from sslproxy02.your-server.de ([78.47.166.47]) by dedi548.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1o4LBO-000D3T-HH for gcc-patches@gcc.gnu.org; Thu, 23 Jun 2022 13:39:34 +0200 Received: from [82.100.198.138] (helo=mail.embedded-brains.de) by sslproxy02.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1o4LBO-000Xsp-LH for gcc-patches@gcc.gnu.org; Thu, 23 Jun 2022 13:39:34 +0200 Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 53DC1480059 for ; Thu, 23 Jun 2022 13:39:34 +0200 (CEST) Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id wulxNsArPXtK for ; Thu, 23 Jun 2022 13:39:31 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id AFAB548014E for ; Thu, 23 Jun 2022 13:39:31 +0200 (CEST) X-Virus-Scanned: amavisd-new at zimbra.eb.localhost Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 70yCN7rZpv7Z for ; Thu, 23 Jun 2022 13:39:31 +0200 (CEST) Received: from zimbra.eb.localhost (unknown [192.168.96.242]) by mail.embedded-brains.de (Postfix) with ESMTPSA id 6ACF0480059 for ; Thu, 23 Jun 2022 13:39:31 +0200 (CEST) From: Sebastian Huber To: gcc-patches@gcc.gnu.org Subject: [PATCH] Enable some features for RTEMS in libstdc++ Date: Thu, 23 Jun 2022 13:39:29 +0200 Message-Id: <20220623113929.22626-1-sebastian.huber@embedded-brains.de> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 X-Authenticated-Sender: smtp-embedded@poldinet.de X-Virus-Scanned: Clear (ClamAV 0.103.6/26581/Thu Jun 23 10:07:07 2022) X-Spam-Status: No, score=-11.6 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, 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: 2.1.29 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 Sender: "Gcc-patches" Remove RTEMS support from crossconfig.m4 since this code is not used due to "with_newlib" being "yes". libstdc++-v3/ChangeLog: * configure: Regnerate. * configure.ac (newlib, *-rtems*): Enable TLS support for all RTEMS targets except bfin, lm32, mips, moxie, or1k, and v850. For all RTEMS targets, define HAVE_ALIGNED_ALLOC, HAVE_AT_QUICK_EXIT, HAVE_LINK, HAVE_POLL, HAVE_QUICK_EXIT, HAVE_READLINK, HAVE_SETENV, HAVE_SLEEP, HAVE_SOCKATMARK, HAVE_STRERROR_L, HAVE_SYMLINK, HAVE_TRUNCATE, and HAVE_USLEEP. * crossconfig.m4 (*-rtems*): Remove. --- libstdc++-v3/configure | 6012 +---------------------------------- libstdc++-v3/configure.ac | 25 + libstdc++-v3/crossconfig.m4 | 6 - 3 files changed, 64 insertions(+), 5979 deletions(-) diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index 9b94fd71e42..4f56b4d4ed0 100755 --- a/libstdc++-v3/configure +++ b/libstdc++-v3/configure @@ -29237,6 +29237,45 @@ else $as_echo "#define HAVE_MEMALIGN 1" >>confdefs.h + + case "${target}" in + *-rtems*) + case "${target}" in + bfin* | lm32* | mips* | moxie* | or1k* | v850*) + ;; + *) + $as_echo "#define HAVE_TLS 1" >>confdefs.h + + ;; + esac + $as_echo "#define HAVE_ALIGNED_ALLOC 1" >>confdefs.h + + $as_echo "#define HAVE_AT_QUICK_EXIT 1" >>confdefs.h + + $as_echo "#define HAVE_LINK 1" >>confdefs.h + + $as_echo "#define HAVE_POLL 1" >>confdefs.h + + $as_echo "#define HAVE_QUICK_EXIT 1" >>confdefs.h + + $as_echo "#define HAVE_READLINK 1" >>confdefs.h + + $as_echo "#define HAVE_SETENV 1" >>confdefs.h + + $as_echo "#define HAVE_SLEEP 1" >>confdefs.h + + $as_echo "#define HAVE_SOCKATMARK 1" >>confdefs.h + + $as_echo "#define HAVE_STRERROR_L 1" >>confdefs.h + + $as_echo "#define HAVE_SYMLINK 1" >>confdefs.h + + $as_echo "#define HAVE_TRUNCATE 1" >>confdefs.h + + $as_echo "#define HAVE_USLEEP 1" >>confdefs.h + + ;; + esac elif test "x$with_headers" != "xno"; then # Base decisions on target environment. @@ -60919,5979 +60958,6 @@ $as_echo "$ac_ld_relro" >&6; } $as_echo "#define HAVE_SINHL 1" >>confdefs.h - ;; - *-rtems*) - - # All these tests are for C++; save the language and the compiler flags. - # The CXXFLAGS thing is suspicious, but based on similar bits previously - # found in GLIBCXX_CONFIGURE. - - ac_ext=cpp -ac_cpp='$CXXCPP $CPPFLAGS' -ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_cxx_compiler_gnu - - ac_test_CXXFLAGS="${CXXFLAGS+set}" - ac_save_CXXFLAGS="$CXXFLAGS" - - # Check for -ffunction-sections -fdata-sections - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for g++ that supports -ffunction-sections -fdata-sections" >&5 -$as_echo_n "checking for g++ that supports -ffunction-sections -fdata-sections... 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Check for that first. We should have already tested for gld - # by now (in libtool), but require it now just to be safe... - test -z "$SECTION_LDFLAGS" && SECTION_LDFLAGS='' - test -z "$OPT_LDFLAGS" && OPT_LDFLAGS='' - - - - # The name set by libtool depends on the version of libtool. Shame on us - # for depending on an impl detail, but c'est la vie. Older versions used - # ac_cv_prog_gnu_ld, but now it's lt_cv_prog_gnu_ld, and is copied back on - # top of with_gnu_ld (which is also set by --with-gnu-ld, so that actually - # makes sense). We'll test with_gnu_ld everywhere else, so if that isn't - # set (hence we're using an older libtool), then set it. - if test x${with_gnu_ld+set} != xset; then - if test x${ac_cv_prog_gnu_ld+set} != xset; then - # We got through "ac_require(ac_prog_ld)" and still not set? Huh? - with_gnu_ld=no - else - with_gnu_ld=$ac_cv_prog_gnu_ld - fi - fi - - # Start by getting the version number. 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" >&6; } - if test x${glibcxx_cv_func_strtof_use+set} != xset; then - if ${glibcxx_cv_func_strtof_use+:} false; then : - $as_echo_n "(cached) " >&6 -else - - - ac_ext=cpp -ac_cpp='$CXXCPP $CPPFLAGS' -ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_cxx_compiler_gnu - - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#include -int -main () -{ - strtof(0, 0); - ; - return 0; -} -_ACEOF -if ac_fn_cxx_try_compile "$LINENO"; then : - glibcxx_cv_func_strtof_use=yes -else - glibcxx_cv_func_strtof_use=no -fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext - ac_ext=c -ac_cpp='$CPP $CPPFLAGS' -ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_c_compiler_gnu - - -fi - - fi - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_strtof_use" >&5 -$as_echo "$glibcxx_cv_func_strtof_use" >&6; } - if test x$glibcxx_cv_func_strtof_use = x"yes"; then - for ac_func in strtof -do : - ac_fn_c_check_func "$LINENO" "strtof" "ac_cv_func_strtof" -if test "x$ac_cv_func_strtof" = xyes; then : - cat >>confdefs.h <<_ACEOF -#define HAVE_STRTOF 1 -_ACEOF - -fi -done - - fi - - - - - CXXFLAGS="$ac_save_CXXFLAGS" - ;; *-tpf) SECTION_FLAGS='-ffunction-sections -fdata-sections' diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac index e59bcdb2944..79512a398c2 100644 --- a/libstdc++-v3/configure.ac +++ b/libstdc++-v3/configure.ac @@ -353,6 +353,31 @@ else AC_DEFINE(HAVE_ICONV) AC_DEFINE(HAVE_MEMALIGN) + + case "${target}" in + *-rtems*) + case "${target}" in + bfin* | lm32* | mips* | moxie* | or1k* | v850*) + ;; + *) + AC_DEFINE(HAVE_TLS) + ;; + esac + AC_DEFINE(HAVE_ALIGNED_ALLOC) + AC_DEFINE(HAVE_AT_QUICK_EXIT) + AC_DEFINE(HAVE_LINK) + AC_DEFINE(HAVE_POLL) + AC_DEFINE(HAVE_QUICK_EXIT) + AC_DEFINE(HAVE_READLINK) + AC_DEFINE(HAVE_SETENV) + AC_DEFINE(HAVE_SLEEP) + AC_DEFINE(HAVE_SOCKATMARK) + AC_DEFINE(HAVE_STRERROR_L) + AC_DEFINE(HAVE_SYMLINK) + AC_DEFINE(HAVE_TRUNCATE) + AC_DEFINE(HAVE_USLEEP) + ;; + esac elif test "x$with_headers" != "xno"; then GLIBCXX_CROSSCONFIG fi diff --git a/libstdc++-v3/crossconfig.m4 b/libstdc++-v3/crossconfig.m4 index ae5283b7ad3..e8ff89fe658 100644 --- a/libstdc++-v3/crossconfig.m4 +++ b/libstdc++-v3/crossconfig.m4 @@ -244,12 +244,6 @@ case "${host}" in AC_DEFINE(HAVE_SINHF) AC_DEFINE(HAVE_SINHL) ;; - *-rtems*) - GLIBCXX_CHECK_COMPILER_FEATURES - GLIBCXX_CHECK_LINKER_FEATURES - GLIBCXX_CHECK_MATH_SUPPORT - GLIBCXX_CHECK_STDLIB_SUPPORT - ;; *-tpf) SECTION_FLAGS='-ffunction-sections -fdata-sections' SECTION_LDFLAGS='-Wl,--gc-sections $SECTION_LDFLAGS'