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From 7e72644adb7ed1092a90cf26c4edbba4b3f2b11b Mon Sep 17 00:00:00 2001
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From: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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Date: Mon, 27 May 2013 14:20:57 +1000
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Subject: [PATCH] configure: dtc: Probe for libfdt_env.h
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Currently QEMU provides a local clone of the file libfdt_env.h in
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/include. This file is supposed to come with the libfdt package and is
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only needed for broken installs of libfdt. Now that we have submodule
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dtc, just ignore these broken installs and prompt for the dtc submodule
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install instead. QEMU's local libfdt_env.h is removed accordingly.
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Manifests as a bug when building QEMU with modern libfdt. The new
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version of libfdt does not compile when QEMUs libfdt_env.h takes
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precedence over the hosts.
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Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
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Acked-by: David Gibson <david@gibson.dropbear.id.au>
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Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
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Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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Message-id: 9b6a3a52e3f46cfbc1ded9ab56385ec045e46705.1369628289.git.peter.crosthwaite@xilinx.com
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Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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(cherry picked from commit 96ce65457690561417ae8e6f0e85f3c6f135018b)
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---
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configure | 2 ++
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include/libfdt_env.h | 36 ------------------------------------
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2 files changed, 2 insertions(+), 36 deletions(-)
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delete mode 100644 include/libfdt_env.h
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diff --git a/configure b/configure
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index fb41cb6..7e07cb7 100755
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--- a/configure
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+++ b/configure
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@@ -2526,7 +2526,9 @@ fi
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# fdt probe
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if test "$fdt" != "no" ; then
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fdt_libs="-lfdt"
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+ # explicitly check for libfdt_env.h as it is missing in some stable installs
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cat > $TMPC << EOF
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+#include <libfdt_env.h>
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int main(void) { return 0; }
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EOF
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if compile_prog "" "$fdt_libs" ; then
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diff --git a/include/libfdt_env.h b/include/libfdt_env.h
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deleted file mode 100644
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index 3667d4c..0000000
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--- a/include/libfdt_env.h
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+++ /dev/null
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@@ -1,36 +0,0 @@
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-/*
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License, version 2, as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, see <http://www.gnu.org/licenses/>.
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- *
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- * Copyright IBM Corp. 2008
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- * Authors: Hollis Blanchard <hollisb@us.ibm.com>
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- *
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- */
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-
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-#ifndef _LIBFDT_ENV_H
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-#define _LIBFDT_ENV_H
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-
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-#include "qemu/bswap.h"
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-
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-#ifdef HOST_WORDS_BIGENDIAN
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-#define fdt32_to_cpu(x) (x)
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-#define cpu_to_fdt32(x) (x)
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-#define fdt64_to_cpu(x) (x)
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-#define cpu_to_fdt64(x) (x)
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-#else
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-#define fdt32_to_cpu(x) bswap32(x)
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-#define cpu_to_fdt32(x) bswap32(x)
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-#define fdt64_to_cpu(x) bswap64(x)
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-#define cpu_to_fdt64(x) bswap64(x)
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-#endif
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-
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-#endif /* _LIBFDT_ENV_H */
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