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[174.21.149.226]) by smtp.gmail.com with ESMTPSA id b189sm2268133pfa.209.2020.04.01.14.47.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Apr 2020 14:47:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=xrDuAKgwVA8BL+xlHUkPyAY7LleeHRNeQBc0rfMPChQ=; b=eZ4/Bcqxc7kW4ZcbfK82qMKbRDPSfOrmCVJxIc/hzCJMApNt3+KiKKGS58eSPvbSkB DRViGYIEaONvkJkH80ajw3StNXYkjgXx+Y/mr6pdsz7djCVJ2Y4k2DWH8Sk1QYrtFUoE ELP3uG8zktdHVxizDeaOvtnlwhyzw5ivb8uTfynVidUUwu8Z3AcXYYvggH39FGQ2MQp+ m6e+BGok+7aoWzKB/TDW9U26slz/CzxLiKrcZ+bvUsrFek7sD3UyP0OVjjvLEkT/l1x+ zXtOeFI+41M/hzMd6P+gTq23qNtisFKRkhg/4kmXjdQ25gkY8lb2V/lB3ZZXsbVYtVzX IGsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=xrDuAKgwVA8BL+xlHUkPyAY7LleeHRNeQBc0rfMPChQ=; b=Fzwj3Qw0sVJekOxxf/KWERgKTURFVGnVs6AckbyizGKV/WJDGfL5vSZQF84AwxLD6F FOR5pnERyuWMeFnhkd07SSIv2H0+91dAZ0CYB9d2iELZR1hnqPE+9AboKSE4b76qWY/f MM1xWPC4LAOUP8yhVVIt09NgyePlMtuUOyA75M1NKLOwZT+OD4l03zXU4XrxneLeu7fe DcbxMVvFhZ740gP+ymz6Ndv58YUtKqmjnuFSi9e5dhRvempR53+E/PjTFc+2SAlm3P9x 5b786XWMZlaHjeKqnzh9pCCQ9kz2I4U9BdpbqLsVm/A365WroS+wuwnzYt17lcdxcihi rDmw== X-Gm-Message-State: AGi0PuZaWo0rpC/mFoCV3bnPM4++X2/QjH0TvqXKibJeeqhaP6eJ9xF5 vvugsHYyS4vwkjwKHaTN0Yk3N2EF9ig= X-Google-Smtp-Source: APiQypLjqORY7gZhWe9d+eLdcE4KseF/azRffQCxl7m+H5DtOapPzIuKCtGV37tn/tRBCDVBxFoqVg== X-Received: by 2002:a63:8b4b:: with SMTP id j72mr217516pge.261.1585777677965; Wed, 01 Apr 2020 14:47:57 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH for-5.0] configure: Add -Werror to PIE probe Date: Wed, 1 Apr 2020 14:47:56 -0700 Message-Id: <20200401214756.6559-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::544 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.bennee@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Without -Werror, the probe may succeed, but then compilation fails later when -Werror is added for other reasons. Shows up on windows, where the compiler complains about -fPIC. Signed-off-by: Richard Henderson --- configure | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/configure b/configure index 22870f3867..233c671aaa 100755 --- a/configure +++ b/configure @@ -2119,7 +2119,7 @@ if compile_prog "-Werror -fno-pie" "-no-pie"; then fi =20 if test "$static" =3D "yes"; then - if test "$pie" !=3D "no" && compile_prog "-fPIE -DPIE" "-static-pie"; th= en + if test "$pie" !=3D "no" && compile_prog "-Werror -fPIE -DPIE" "-static-= pie"; then QEMU_CFLAGS=3D"-fPIE -DPIE $QEMU_CFLAGS" QEMU_LDFLAGS=3D"-static-pie $QEMU_LDFLAGS" pie=3D"yes" @@ -2132,7 +2132,7 @@ if test "$static" =3D "yes"; then elif test "$pie" =3D "no"; then QEMU_CFLAGS=3D"$CFLAGS_NOPIE $QEMU_CFLAGS" QEMU_LDFLAGS=3D"$LDFLAGS_NOPIE $QEMU_LDFLAGS" -elif compile_prog "-fPIE -DPIE" "-pie"; then +elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then QEMU_CFLAGS=3D"-fPIE -DPIE $QEMU_CFLAGS" QEMU_LDFLAGS=3D"-pie $QEMU_LDFLAGS" pie=3D"yes" --=20 2.20.1