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[80.110.214.113]) by smtp.gmail.com with ESMTPSA id n13-20020a17090695cd00b007aea50205a0sm810566ejy.187.2022.11.17.13.03.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Nov 2022 13:03:11 -0800 (PST) From: Bernhard Reutner-Fischer X-Google-Original-From: Bernhard Reutner-Fischer Received: from b by nbbrfq with local (Exim 4.96) (envelope-from ) id 1ovm2Q-000eQ1-15; Thu, 17 Nov 2022 22:03:10 +0100 To: gcc-patches@gcc.gnu.org Cc: Bernhard Reutner-Fischer , Bernhard Reutner-Fischer Subject: [PATCH] libcpp: Add missing config for --enable-valgrind-annotations [PR107691] Date: Thu, 17 Nov 2022 22:02:59 +0100 Message-Id: <20221117210259.154569-1-aldot@gcc.gnu.org> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-9.8 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 autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: --- ceb17928e5d1d5 copied (parts of) the valgrind annotation checks from gcc to libcpp. The above copies the missing pieces to libcpp to diagnose when libcpp is configured with --enable-valgrind-annotations but valgrind is not installed. Tested with --enable-valgrind-annotations without valgrind installed where it fixes errors thrown by test(1). And once with valgrind installed. Ok for trunk? libcpp/ChangeLog: PR preprocessor/107691 * configure.ac: Add valgrind header checks. * configure: Regenerate. --- libcpp/configure.ac | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/libcpp/configure.ac b/libcpp/configure.ac index 9b6042518e5..89ac99b04bd 100644 --- a/libcpp/configure.ac +++ b/libcpp/configure.ac @@ -226,6 +226,40 @@ case x$enable_languages in esac AC_SUBST(CET_HOST_FLAGS) +dnl # This check AC_REQUIREs various stuff, so it *must not* be inside +dnl # an if statement. This was the source of very frustrating bugs +dnl # in converting to autoconf 2.5x! +AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no) + +# It is certainly possible that there's valgrind but no valgrind.h. +# GCC relies on making annotations so we must have both. +AC_MSG_CHECKING(for VALGRIND_DISCARD in ) +AC_PREPROC_IFELSE([AC_LANG_SOURCE( + [[#include +#ifndef VALGRIND_DISCARD +#error VALGRIND_DISCARD not defined +#endif]])], + [gcc_cv_header_valgrind_memcheck_h=yes], + [gcc_cv_header_valgrind_memcheck_h=no]) +AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h) +AC_MSG_CHECKING(for VALGRIND_DISCARD in ) +AC_PREPROC_IFELSE([AC_LANG_SOURCE( + [[#include +#ifndef VALGRIND_DISCARD +#error VALGRIND_DISCARD not defined +#endif]])], + [gcc_cv_header_memcheck_h=yes], + [gcc_cv_header_memcheck_h=no]) +AC_MSG_RESULT($gcc_cv_header_memcheck_h) +if test $gcc_cv_header_valgrind_memcheck_h = yes; then + AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1, + [Define if valgrind's valgrind/memcheck.h header is installed.]) +fi +if test $gcc_cv_header_memcheck_h = yes; then + AC_DEFINE(HAVE_MEMCHECK_H, 1, + [Define if valgrind's memcheck.h header is installed.]) +fi + AC_ARG_ENABLE(valgrind-annotations, [AS_HELP_STRING([--enable-valgrind-annotations], [enable valgrind runtime interaction])], [], @@ -235,6 +269,7 @@ if test x$enable_valgrind_annotations != xno \ if (test $have_valgrind_h = no \ && test $gcc_cv_header_memcheck_h = no \ && test $gcc_cv_header_valgrind_memcheck_h = no); then + AC_MSG_ERROR([*** valgrind annotations requested, but]) AC_MSG_ERROR([*** Can't find valgrind/memcheck.h, memcheck.h or valgrind.h]) fi AC_DEFINE(ENABLE_VALGRIND_ANNOTATIONS, 1, -- 2.38.1