.travis.yml: add --enable-plugins tests

check-tcg will automatically run the plugins against most TCG tests if
it is enabled in the build. We exclude sparc64-linux-user for now as
there are pending patches that need to be merged fixing it's fork
implementation.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

.travis.yml

@@ -339,13 +339,28 @@ matrix:
         - CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
 
 
+    # Run check-tcg against linux-user (with plugins)
+    # we skip sparc64-linux-user until it has been fixed somewhat
+    - env:
+        - CONFIG="--disable-system --enable-plugins --target-list-exclude=sparc64-linux-user"
+        - TEST_CMD="make -j3 check-tcg V=1"
+        - CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
+
+
     # Run check-tcg against softmmu targets
     - env:
         - CONFIG="--enable-debug-tcg --target-list=xtensa-softmmu,arm-softmmu,aarch64-softmmu,alpha-softmmu"
         - TEST_CMD="make -j3 check-tcg V=1"
         - CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
 
 
+    # Run check-tcg against softmmu targets (with plugins)
+    - env:
+        - CONFIG="--enable-plugins --target-list=xtensa-softmmu,arm-softmmu,aarch64-softmmu,alpha-softmmu"
+        - TEST_CMD="make -j3 check-tcg V=1"
+        - CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
+
+
     # Release builds
     # The make-release script expect a QEMU version, so our tag must start with a 'v'.
     # This is the case when release candidate tags are created.