Switch from qmake to cmake

Dockerfile

@@ -4,9 +4,9 @@ FROM debian:buster AS builder
 RUN apt-get update -yqq && apt-get install -yqq \
     ca-certificates \
     build-essential \
+    cmake \
     pkg-config \
     qt5-default \
-    libqt5svg5* \
     libboost-dev \
     libasound2-dev \
     libssl-dev \
@@ -33,9 +33,10 @@ RUN \
     && git submodule init \
     && git submodule update
 
+WORKDIR /usr/src/murmur/build
 RUN \
-    qmake -recursive main.pro CONFIG+="no-client no-g15 no-bonjour grpc" \
-    && make release
+    cmake -Dclient=OFF -DCMAKE_BUILD_TYPE=Release -Dgrpc=ON .. \
+    && make -j $(nproc)
 
 
 FROM debian:buster