Don't use make -j2.

While we have 2 cores available on github runners, not using it means
that the most recent log message is the actual failure, rather than
having to search back through the log for it.

.github/setup_ci.sh

@@ -176,7 +176,7 @@ if [ "${INSTALL_HARDENED_MALLOC}" = "yes" ]; then
     (cd ${HOME} &&
      git clone https://github.com/GrapheneOS/hardened_malloc.git &&
      cd ${HOME}/hardened_malloc &&
-     make -j2 && sudo cp out/libhardened_malloc.so /usr/lib/)
+     make && sudo cp out/libhardened_malloc.so /usr/lib/)
 fi
 
 if [ ! -z "${INSTALL_OPENSSL}" ]; then
@@ -197,14 +197,14 @@ if [ ! -z "${INSTALL_LIBRESSL}" ]; then
          git checkout ${INSTALL_LIBRESSL} &&
          sh update.sh && sh autogen.sh &&
          ./configure --prefix=/opt/libressl &&
-         make -j2 && sudo make install)
+         make && sudo make install)
     else
         LIBRESSL_URLBASE=https://cdn.openbsd.org/pub/OpenBSD/LibreSSL
         (cd ${HOME} &&
          wget ${LIBRESSL_URLBASE}/libressl-${INSTALL_LIBRESSL}.tar.gz &&
          tar xfz libressl-${INSTALL_LIBRESSL}.tar.gz &&
          cd libressl-${INSTALL_LIBRESSL} &&
-         ./configure --prefix=/opt/libressl && make -j2 && sudo make install)
+         ./configure --prefix=/opt/libressl && make && sudo make install)
     fi
 fi
 

.github/workflows/c-cpp.yml

@@ -108,7 +108,7 @@ jobs:
     - name: make clean
       run: make clean
     - name: make
-      run: make -j2
+      run: make
     - name: make tests
       run: sh ./.github/run_test.sh ${{ matrix.config }}
       env: