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d="scan'208";a="14692363" From: Roger Pau Monne To: Subject: [PATCH] qemu-user: fix build with LLVM lld 10 Date: Thu, 26 Mar 2020 14:43:16 +0100 Message-ID: <20200326134316.36059-1-roger.pau@citrix.com> X-Mailer: git-send-email 2.26.0 MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 216.71.145.153 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: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Dimitry Andric , Richard Henderson , Laurent Vivier , Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Roger Pau Monne Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" lld 10.0.0 introduced a new linker option --image-base equivalent to the GNU -Ttext-segment one, hence use it when available. This fixes the build of QEMU on systems using lld 10 or greater. Signed-off-by: Dimitry Andric Signed-off-by: Roger Pau Monné --- Cc: Laurent Vivier Cc: Richard Henderson Cc: "Philippe Mathieu-Daudé" Cc: Paolo Bonzini Cc: "Daniel P. Berrangé" --- configure | 42 +++++++++++++++++++++++------------------- 1 file changed, 23 insertions(+), 19 deletions(-) diff --git a/configure b/configure index da09c35895..92d57d84fa 100755 --- a/configure +++ b/configure @@ -6514,27 +6514,31 @@ if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then cat > $TMPC </dev/null 2>&1; then - error_exit \ - "We need to link the QEMU user mode binaries at a" \ - "specific text address. Unfortunately your linker" \ - "doesn't support either the -Ttext-segment option or" \ - "printing the default linker script with --verbose." \ - "If you don't want the user mode binaries, pass the" \ - "--disable-user option to configure." - fi + textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr" + if ! compile_prog "" "$textseg_ldflags"; then + # In case ld does not support -Ttext-segment, edit the default linker + # script via sed to set the .text start addr. This is needed on FreeBSD + # at least. + if ! $ld --verbose >/dev/null 2>&1; then + error_exit \ + "We need to link the QEMU user mode binaries at a" \ + "specific text address. Unfortunately your linker" \ + "doesn't support either the --image-base or -Ttext-segment" \ + "options or printing the default linker script with" \ + "--verbose. If you don't want the user mode binaries," \ + "pass the --disable-user option to configure." + fi - $ld --verbose | sed \ - -e '1,/==================================================/d' \ - -e '/==================================================/,$d' \ - -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \ - -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld - textseg_ldflags="-Wl,-T../config-host.ld" + $ld --verbose | sed \ + -e '1,/==================================================/d' \ + -e '/==================================================/,$d' \ + -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \ + -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld + textseg_ldflags="-Wl,-T../config-host.ld" + fi fi fi fi