[ovs-dev] [PATCH] travis: Fix 32-bit libunwind system build.

[William Tu]

32-bit and 64-bit libunwind can not be installed at the same time.
For 32-bit build, this patch removes the 64-bit libunwind and install
32-bit version.

Tested-at: https://travis-ci.org/williamtu/ovs-travis/builds/592649311
Fixes: e2ed6fbeb18c ("fatal-signal: Catch SIGSEGV and print backtrace.")
Signed-off-by: William Tu <u9012063 at gmail.com>
---
 .travis/linux-prepare.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.travis/linux-prepare.sh b/.travis/linux-prepare.sh
index 70fd98f715ed..164adf7ec4f8 100755
--- a/.travis/linux-prepare.sh
+++ b/.travis/linux-prepare.sh
@@ -14,3 +14,9 @@ cd ..
 
 pip install --disable-pip-version-check --user six flake8 hacking
 pip install --user --upgrade docutils
+
+if [[ $BUILD_ENV =~ "-m32" ]]; then
+    # 32-bit and 64-bit libunwind can not be installed at the same time.
+    # This will remove the 64-bit libunwind and install 32-bit version.
+    sudo apt-get install -y libunwind-dev:i386
+fi
-- 
2.7.4