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[174.21.149.226]) by smtp.gmail.com with ESMTPSA id h11sm11386174pfq.56.2020.03.30.20.55.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Mar 2020 20:55:07 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=S+YD6LWo1z5Vsgzq3ypvuc0IEmwxuyzEeq5y1l14e9U=; b=F0iVltKBtDusq4Qu78xf8Dgg2AK0wrtUwzFG0F4FqPtqM596JK+LHTw8Ha4bbt7sLI hYL+YYQPcpHlRxNuD5CUG0CHT9kpCwKDlqcjaNsNLjuZ6qJ3XhCfe2I5BGSnFPeCB0Zq EBdvy8ESOP+lIVkvDUmdTwed633e8O7Q7VBPdgIwie6TCYrZNz10MYCCx89tNLIB/BNT DB2b1q6RjCdMf9VfRcrb4Y7AfFnZ0uJvcbqFqzKG2quVWPb0alMgcGKIgr5LwwE9Tsww yftmzybgy//6tR96tasRCDkya9zFKwAi7owLiSI8pO+lEBqU+9XiNyhIHLyQdAAXZaGH iwTQ== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=S+YD6LWo1z5Vsgzq3ypvuc0IEmwxuyzEeq5y1l14e9U=; b=LhNR0t6ZZLt8v1CGibW0eJWmxIx5ZOtfQCZ9zcNvOLs7mCANl2At9pKs4yC/H5GL2T qoWphpNfZrSVpNuRmhMQrZCGCFRaf57RndTXGjJ72HLn6HrRckCtNdvdNXX6WJhDKEna mffwVJkQyz5WGaATIQI6F0UgPBDSShC6OplcNWVitlJMT35j3JpFdCP7Od1s1XCxHddC nAYI0wta5RNxPPcNppO7cnxyRa3kQlu9mngEHsnPijtE/0pnXCBqL3LN6NWv81YzIogd SuYWZkV/8ACsvefLJEXaY1u4IuFbSLujX0YYQRg3mds8xTSQfvLBoEX5S05aN0oVeYPu 99Dw== X-Gm-Message-State: AGi0Pua/99fER5f/xZNDhSBWFn9+jTtX05ryFYv3o50gi9AVnGSwCC4/ U7GyuKAWGqK0PTSUoL5oAP4no5eUtX0= X-Google-Smtp-Source: APiQypLtIUbS8qiECTzHGXvPwEMXrI8JVJVquDIhLXXlA1rMq7l0LegnQAv1Gg0Ukex5NcS0MG4f5A== X-Received: by 2002:a17:90a:8c18:: with SMTP id a24mr1585344pjo.43.1585626907775; Mon, 30 Mar 2020 20:55:07 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL for-5.0 06/10] configure: Override the os default with --disable-pie Date: Mon, 30 Mar 2020 20:54:52 -0700 Message-Id: <20200331035456.6494-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200331035456.6494-1-richard.henderson@linaro.org> References: <20200331035456.6494-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::1030 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: peter.maydell@linaro.org, Thomas Huth , =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Some distributions, e.g. Ubuntu 19.10, enable PIE by default. If for some reason one wishes to build a non-pie binary, we must provide additional options to override. At the same time, reorg the code to an elif chain. Reviewed-by: Alex Benn=C3=A9e Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Thomas Huth Signed-off-by: Richard Henderson --- v3: Update for QEMU_LDFLAGS. --- configure | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/configure b/configure index 1e622f5acb..481d5077f7 100755 --- a/configure +++ b/configure @@ -2124,19 +2124,18 @@ if compile_prog "-Werror -fno-pie" "-no-pie"; then LDFLAGS_NOPIE=3D"-no-pie" fi =20 -if test "$pie" !=3D "no" ; then - if compile_prog "-fPIE -DPIE" "-pie"; then - QEMU_CFLAGS=3D"-fPIE -DPIE $QEMU_CFLAGS" - QEMU_LDFLAGS=3D"-pie $QEMU_LDFLAGS" - pie=3D"yes" - else - if test "$pie" =3D "yes"; then - error_exit "PIE not available due to missing toolchain support" - else - echo "Disabling PIE due to missing toolchain support" - pie=3D"no" - fi - fi +if 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 + QEMU_CFLAGS=3D"-fPIE -DPIE $QEMU_CFLAGS" + QEMU_LDFLAGS=3D"-pie $QEMU_LDFLAGS" + pie=3D"yes" +elif test "$pie" =3D "yes"; then + error_exit "PIE not available due to missing toolchain support" +else + echo "Disabling PIE due to missing toolchain support" + pie=3D"no" fi =20 # Detect support for PT_GNU_RELRO + DT_BIND_NOW. --=20 2.20.1