add norun build bots for mips

Author: gnzlbg

.travis.yml

@@ -12,6 +12,10 @@ matrix:
     - env: TARGET=arm-unknown-linux-gnueabihf
     - env: TARGET=armv7-unknown-linux-gnueabihf
     - env: TARGET=aarch64-unknown-linux-gnu
+    - env: TARGET=mips-unknown-linux-gnu NORUN=1
+    - env: TARGET=mipsel-unknown-linux-gnu NORUN=1
+    - env: TARGET=mips64-unknown-linux-gnuabi64 NORUN=1
+    - env: TARGET=mips64el-unknown-linux-gnuabi64 NORUN=1
     - env: TARGET=powerpc-unknown-linux-gnu
     - env: TARGET=powerpc64-unknown-linux-gnu
     - env: TARGET=powerpc64le-unknown-linux-gnu
@@ -47,7 +51,14 @@ install:
 
 script:
   - cargo generate-lockfile
-  - ci/run-docker.sh $TARGET $FEATURES
+  - |
+    if [ "$NORUN" == "1" ]; then
+      cd crates/stdsimd
+      cargo build --target=$TARGET
+      cargo build --release --target=$TARGET
+    else
+      ci/run-docker.sh $TARGET $FEATURES
+    fi
 
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