Use Debian Protobuf package

Author: wedesoft

.github/workflows/aiscm.yml

@@ -36,8 +36,8 @@ jobs:
         apt-get install -q -y wget
     - name: Install libtensorflow-cpu-linux
       run: |
-        wget -q https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-linux-x86_64-1.14.0.tar.gz
-        tar xz -C /usr -f libtensorflow-cpu-linux-x86_64-1.14.0.tar.gz
+        wget -q https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-linux-x86_64-1.15.0.tar.gz
+        tar xz -C /usr -f libtensorflow-cpu-linux-x86_64-1.15.0.tar.gz
     - name: autoreconf
       run: ./autogen.sh
     - name: configure

.travis.yml

@@ -20,5 +20,6 @@ apt-get install -q -y clang-14
 apt-get install -q -y libomp5-14
 apt-get install -q -y libomp-14-dev
 apt-get install -q -y clearsilver-dev
+apt-get install -q -y protobuf-c-compiler libprotobuf-c-dev
 apt-get install -q -y cmake
 apt-get install -q -y wget

doc/dependencies.sh

@@ -20,33 +20,11 @@ You need to install the dependencies:
 @dependencies.sh@
 ```
 
-You also need
-
-A recent version of Protobuf-C library and compiler:
-
-```
-wget -q https://github.com/protocolbuffers/protobuf/releases/download/v3.10.0/protobuf-all-3.10.0.tar.gz
-wget -q https://github.com/protobuf-c/protobuf-c/releases/download/v1.3.2/protobuf-c-1.3.2.tar.gz
-tar xzf protobuf-all-3.10.0.tar.gz
-tar xzf protobuf-c-1.3.2.tar.gz
-cd protobuf-3.10.0
-./configure
-make -j `nproc`
-sudo make install
-cd ..
-cd protobuf-c-1.3.2
-./configure
-make -j `nproc`
-sudo make install
-cd ..
-```
-
-
-The Tensorflow C library (install the GPU version instead if you have a GPU):
+You also need the Tensorflow C library (install the GPU version instead if you have a GPU):
 
 ```
-wget -q https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-linux-x86_64-1.14.0.tar.gz
-sudo tar xz -C /usr/local -f libtensorflow-cpu-linux-x86_64-1.14.0.tar.gz
+wget -q https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-linux-x86_64-1.15.0.tar.gz
+sudo tar xz -C /usr/local -f libtensorflow-cpu-linux-x86_64-1.15.0.tar.gz
 ```
 
 ### Build AIscm