07d2889ef8
Update to v2.6.1 stable release. OBS-URL: https://build.opensuse.org/request/show/419833 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=311
54 lines
1.5 KiB
Diff
54 lines
1.5 KiB
Diff
From f210e8f540cb261c11bffa4ed8e9918ad1731a9b Mon Sep 17 00:00:00 2001
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From: Olaf Hering <olaf@aepfle.de>
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Date: Fri, 1 Apr 2016 12:27:16 +0200
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Subject: [PATCH] build: link with libatomic on powerpc-linux
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Building on powerpc-linux fails with undefined reference to
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__atomic_load_8 in icount_warp_rt(). Force linking to -latomic.
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Fixes a0aa44b ("include/qemu/atomic.h: default to __atomic functions")
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Signed-off-by: Olaf Hering <olaf@aepfle.de>
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---
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configure | 27 +++++++++++++++++++++++++++
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1 file changed, 27 insertions(+)
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diff --git a/configure b/configure
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index bf74354..8892b36 100755
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--- a/configure
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+++ b/configure
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@@ -4033,6 +4033,33 @@ if test "$usb_redir" != "no" ; then
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fi
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fi
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+if test "$linux_user" = "no" -a "$cpu" = "ppc" -a "$targetos" = "Linux" ; then
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+ # Do we need libm
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+ cat > $TMPC << EOF
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+ #include <unistd.h>
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+ #include <stdint.h>
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+ #include <qemu/atomic.h>
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+ int64_t val;
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+ int main(int argc, char **argv)
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+ {
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+ val = (int64_t)read(0, NULL, 0);
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+ if (atomic_read(&val) == -1) {
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+ return 0;
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+ }
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+ return 1;
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+ }
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+EOF
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+ if compile_prog "-Iinclude" "" ; then
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+ :
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+ echo "No need to link with -latomic on powerpc-linux"
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+ elif compile_prog "-Iinclude" "-latomic" ; then
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+ echo "Link with -latomic on powerpc-linux"
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+ libs_softmmu="$libs_softmmu -latomic"
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+ else
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+ error_exit "libatomic check failed"
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+ fi
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+fi
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+
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##########################################
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# check if we have VSS SDK headers for win
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