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From 72b1305cb8cbcd0847a435326c7fa90273ac9c56 Mon Sep 17 00:00:00 2001
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From: Miroslav Rezanina <mrezanin@redhat.com>
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Date: Tue, 2 Jun 2015 13:21:50 +0200
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Subject: [PATCH 3/8] configure: Require libfdt for arm, ppc, microblaze
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softmmu targets
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Message-id: <e24e27b010c3f7c0e6a087004f341ec9ffd73a2c.1433250807.git.mrezanin@redhat.com>
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Patchwork-id: 65305
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O-Subject: [RHEL-7.2 qemu-kvm PATCH 1/4] configure: Require libfdt for arm, ppc, microblaze softmmu targets
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Bugzilla: 1217850
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Wei Huang <wei@redhat.com>
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RH-Acked-by: Jeff Nelson <jenelson@redhat.com>
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From: Peter Maydell <peter.maydell@linaro.org>
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A number of our softmmu targets (PPC, ARM, Microblaze) now more or
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less require flattened device tree support for various board models
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to work correctly. Make libfdt mandatory if the target list includes
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these, rather than building unhelpful half-functional binaries.
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Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
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Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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Tested-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
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Message-id: 1369409217-7553-2-git-send-email-peter.maydell@linaro.org
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(cherry-picked from e169e1e1ae1e75c522f932554890fb0f2f3e9999)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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configure | 20 ++++++++++++++++++++
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1 file changed, 20 insertions(+)
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diff --git a/configure b/configure
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index 1583359..4f63345 100755
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--- a/configure
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+++ b/configure
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@@ -2645,6 +2645,26 @@ fi
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##########################################
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# fdt probe
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+# fdt support is mandatory for at least some target architectures,
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+# so insist on it if we're building those system emulators.
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+fdt_required=no
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+for target in $target_list; do
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+ case $target in
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+ arm*-softmmu|ppc*-softmmu|microblaze*-softmmu)
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+ fdt_required=yes
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+ ;;
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+ esac
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+done
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+
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+if test "$fdt_required" = "yes"; then
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+ if test "$fdt" = "no"; then
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+ error_exit "fdt disabled but some requested targets require it." \
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+ "You can turn off fdt only if you also disable all the system emulation" \
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+ "targets which need it (by specifying a cut down --target-list)."
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+ fi
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+ fdt=yes
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+fi
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+
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if test "$fdt" != "no" ; then
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fdt_libs="-lfdt"
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cat > $TMPC << EOF
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--
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1.8.3.1
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