Merge building for revolution pi with libgpiod

.gitlab-ci.yml

@@ -31,13 +31,13 @@ build:mwe:revpi:
   stage: build
   before_script:
     - apt-get update -qq && apt-get install -y -qq libgpiod-dev gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf
-    - sudo apt-get install -y -qq autoconf autoconf-archive libtool libtool-bin libkmod-dev pkg-config
+    - apt-get install -y -qq autoconf autoconf-archive libtool libtool-bin libkmod-dev pkg-config
     #TODO install cross toolchains in image instead and check if all installs are realy necessary
   script:
     - mkdir build
-    # install libgpiod, TODO how to not install in /usr/... 
+    # install libgpiod
     - cd libgpiod
-    - ./autogen.sh --build=x86_64-linux-gnu --host=arm-linux-gnueabihf --prefix=$(CI_PROJECT_DIR)/build --enable-shared=no ac_cv_func_malloc_0_nonnull=yes
+    - ./autogen.sh --build=x86_64-linux-gnu --host=arm-linux-gnueabihf --prefix="$CI_PROJECT_DIR/build" --enable-shared=no ac_cv_func_malloc_0_nonnull=yes
     - make
     - make install
     # build b4b_mwe