travis: add x86_64 lld jobs to build matrix (close #24)

Author: tpimh

.travis.yml

@@ -14,15 +14,18 @@ matrix:
       env: ARCH=ppc32
     - name: "ARCH=ppc64le"
       env: ARCH=ppc64le
-    - name: "ARCH=x86_64"
-      env: ARCH=x86_64
+    - name: "ARCH=x86_64 LD=ld.lld"
+      env: ARCH=x86_64 LD=ld.lld-9
     # linux (cron only)
     - name: "ARCH=arm32_v7"
       env: ARCH=arm32_v7
       if: type = cron
     - name: "ARCH=arm64"
       env: ARCH=arm64
       if: type = cron
+    - name: "ARCH=x86_64"
+      env: ARCH=x86_64
+      if: type = cron
     # linux-next (cron only)
     - name: "ARCH=arm32_v5 REPO=linux-next"
       env: ARCH=arm32_v5 REPO=linux-next
@@ -54,6 +57,9 @@ matrix:
     - name: "ARCH=x86_64 REPO=linux-next"
       env: ARCH=x86_64 REPO=linux-next
       if: type = cron
+    - name: "ARCH=x86_64 LD=ld.lld REPO=linux-next"
+      env: ARCH=x86_64 LD=ld.lld-9 REPO=linux-next
+      if: type = cron
     # stable
     - name: "ARCH=arm32_v7 REPO=4.19"
       env: ARCH=arm32_v7 REPO=4.19
@@ -67,6 +73,9 @@ matrix:
     - name: "ARCH=x86_64 REPO=4.19"
       env: ARCH=x86_64 REPO=4.19
       if: type = cron
+    - name: "ARCH=x86_64 LD=ld.lld REPO=4.19"
+      env: ARCH=x86_64 LD=ld.lld-9 REPO=4.19
+      if: type = cron
     - name: "ARCH=arm32_v7 REPO=4.14"
       env: ARCH=arm32_v7 REPO=4.14
       if: type = cron
@@ -79,6 +88,9 @@ matrix:
     - name: "ARCH=x86_64 REPO=4.14"
       env: ARCH=x86_64 REPO=4.14
       if: type = cron
+    - name: "ARCH=x86_64 LD=ld.lld REPO=4.14"
+      env: ARCH=x86_64 LD=ld.lld-9 REPO=4.14
+      if: type = cron
     - name: "ARCH=arm32_v7 REPO=4.9"
       env: ARCH=arm32_v7 REPO=4.9
       if: type = cron
@@ -88,12 +100,18 @@ matrix:
     - name: "ARCH=x86_64 REPO=4.9"
       env: ARCH=x86_64 REPO=4.9
       if: type = cron
+    - name: "ARCH=x86_64 LD=ld.lld REPO=4.9"
+      env: ARCH=x86_64 LD=ld.lld-9 REPO=4.9
+      if: type = cron
     - name: "ARCH=arm64 REPO=4.4"
       env: ARCH=arm64 REPO=4.4
       if: type = cron
     - name: "ARCH=x86_64 REPO=4.4"
       env: ARCH=x86_64 REPO=4.4
       if: type = cron
+    - name: "ARCH=x86_64 LD=ld.lld REPO=4.4"
+      env: ARCH=x86_64 LD=ld.lld-9 REPO=4.4
+      if: type = cron
     # kernel/common
     - name: "ARCH=arm64 REPO=common-4.9"
       env: ARCH=arm64 REPO=common-4.9
@@ -107,12 +125,21 @@ matrix:
     - name: "ARCH=x86_64 REPO=common-4.9"
       env: ARCH=x86_64 REPO=common-4.9
       if: type = cron
+    - name: "ARCH=x86_64 LD=ld.lld REPO=common-4.9"
+      env: ARCH=x86_64 LD=ld.lld-9 REPO=common-4.9
+      if: type = cron
     - name: "ARCH=x86_64 REPO=common-4.14"
       env: ARCH=x86_64 REPO=common-4.14
       if: type = cron
+    - name: "ARCH=x86_64 LD=ld.lld REPO=common-4.14"
+      env: ARCH=x86_64 LD=ld.lld-9 REPO=common-4.14
+      if: type = cron
     - name: "ARCH=x86_64 REPO=common-4.19"
       env: ARCH=x86_64 REPO=common-4.19
       if: type = cron
+    - name: "ARCH=x86_64 LD=ld.lld REPO=common-4.19"
+      env: ARCH=x86_64 LD=ld.lld-9 REPO=common-4.19
+      if: type = cron
     # linux with stable LLVM/Clang
     - name: "ARCH=arm32_v5 LLVM_VERSION=8"
       env: ARCH=arm32_v5 LLVM_VERSION=8