Adjust prefix for meson builds in workflow

Signed-off-by: Jacki <[email protected]>

.github/workflows/linux.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Install dependencies (framework)
         run: |
           sudo apt-get -qq update
-          sudo apt-get -qq install automake autoconf autopoint gettext recutils uncrustify yapf3
+          sudo apt-get -qq install automake autoconf autopoint gcc gettext recutils uncrustify yapf3
           sudo apt-get -qq install python3-sphinx python3-sphinx-multiversion python3-sphinx-rtd-theme
           sudo apt-get -qq install libgcrypt20-dev libjansson-dev libsodium-dev libcurl4-gnutls-dev libidn2-dev libunistring-dev libsqlite3-dev libmicrohttpd-dev libltdl-dev
 
@@ -45,7 +45,7 @@ jobs:
       - name: Build library
         run: |
           cd libgnunetchat
-          meson setup build
+          meson setup --prefix /usr build
           meson compile -C build
           meson install -C build
           cd ..
@@ -66,5 +66,5 @@ jobs:
 
       - name: Build application
         run: |
-          meson setup build
+          meson setup --prefix /usr build
           meson compile -C build