github: also test with clang compiler

Signed-off-by: Ariadne Conill <ariadne@ariadne.space>

Author: kaniini

.github/workflows/test.yml

@@ -10,6 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        compiler: [gcc, clang]
         include:
           - arch: x86
             platform: linux/386
@@ -45,6 +46,6 @@ jobs:
             -w /work \
             registry.alpinelinux.org/img/alpine:latest \
             sh -lc '
-              apk add build-base
-              make check ARCH=${{matrix.arch}}
+              apk add build-base ${{matrix.compiler}}
+              make check ARCH=${{matrix.arch}} CC=${{matrix.compiler}}
             '