Added Jenkinsfile for Continuous Integration configuration

Jenkinsfile

@@ -0,0 +1,56 @@
+pipeline {
+  agent none
+  stages{
+    stage('OpenScop'){
+      matrix{
+        agent{ label "${OS}" }
+        axes{
+          axis{
+            name 'OS'
+            values 'Ubuntu', 'macOS', 'CentOS', 'fedora', 'Debian'
+          }
+          axis{
+            name 'BuildSystem'
+            values 'GNU Autotools'//, 'CMake'
+          }
+        }
+        stages{
+          stage('Tools'){
+            steps{
+              script{
+                if(env.OS == 'macOS')
+                  sh 'brew install automake libtool'
+                if(env.OS == 'CentOS')
+                  sh 'sudo yum install gmp-devel -y'
+                if(env.OS == 'fedora')
+                  sh 'sudo dnf install gmp-devel -y'
+                if(env.OS == 'Debian')
+                  sh 'sudo apt install autoconf libtool libgmp-dev make -y'
+              }
+            }
+          }
+          stage('Build'){
+            steps{
+              script{
+                if(env.BuildSystem == 'GNU Autotools')
+                  sh './autogen.sh && ./configure && make -j'
+                if(env.BuildSystem == 'CMake')
+                  sh 'mkdir build && cd build && cmake .. && cmake --build'
+              }
+            }
+          }
+          stage('Test'){
+            steps{
+              script {
+                if(env.BuildSystem == 'GNU Autotools')
+                  sh 'make check -j'
+                if(env.BuildSystem == 'CMake')
+                  sh 'cd build && cmake --build . --target check'
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}