Build dmd,druntime,phobos before testing dmd

Author: wilzbach

buildkite/build_project.sh

@@ -281,6 +281,12 @@ case "$REPO_FULL_NAME" in
         if [ "$REPO_FULL_NAME" == "dlang/phobos" ] ; then
             make -C druntime -j2 -f posix.mak
         fi
+        # need to build everything before testing dmd
+        if [ "$REPO_FULL_NAME" == "dlang/dmd" ] ; then
+            make -C dmd -j2 -f posix.mak
+            make -C druntime -j2 -f posix.mak
+            make -C phobos -j2 -f posix.mak
+        fi
         cd "$(basename "${REPO_FULL_NAME}")" && make -f posix.mak clean && make -f posix.mak -j2 buildkite-test
         rm -rf "$TMP"
         ;;