Added GitLab CI scripts

.gitignore

@@ -25,6 +25,7 @@ lib/*
 # build files
 #
 build/*
+ci-build-*
 *.o
 
 #
@@ -43,4 +44,3 @@ Makefile
 .directory
 .DS_Store
 Thumbs.db
-

.gitlab-ci.yml

+gcc-c++11-debug:
+  script: "CI/ci-linux.sh gcc c++11 debug"
+  tags:
+    - Linux
+
+clang-c++11-debug:
+  script: "CI/ci-linux.sh clang c++11 debug"
+  tags:
+    - Linux
+
+gcc-c++11-release:
+  script: "CI/ci-linux.sh gcc c++11 release"
+  tags:
+    - Linux
+
+clang-c++11-release:
+  script: "CI/ci-linux.sh clang c++11 release"
+  tags:
+    - Linux

CI/ci-linux.sh

+#!/bin/bash
+
+COMPILER=$1
+LANGUAGE=$2
+BUILDTYPE=$3
+
+# Exit script on any error
+set -e
+
+# Updating/initializing submodules
+git submodule update --init --recursive
+
+OPTIONS=""
+MAKE_OPTIONS=""
+BUILDPATH="ci-build"
+BINPATH=""
+STARTPATH=`pwd`
+
+ADDITIONAL_CMAKE_OPTIONS=""
+TEST_BINARY=""
+
+#=====================================
+# Compiler Settings:
+#=====================================
+if [ "$COMPILER" == "gcc" ]; then
+  echo "Building with GCC";
+
+  BUILDPATH="$BUILDPATH-gcc"
+  OPTIONS="-DCMAKE_CXX_COMPILER=g++ -DCMAKE_C_COMPILER=gcc"
+
+elif [ "$COMPILER" == "clang" ]; then
+  echo "Building with CLANG";
+
+  OPTIONS="$OPTIONS -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER=clang"
+  BUILDPATH="$BUILDPATH-clang"
+else
+  echo "Unknown compiler: $COMPILER"
+  exit 1
+fi
+
+
+#=====================================
+# Language Settings:
+#=====================================
+if [ "$LANGUAGE" == "c++98" ]; then
+  echo "Building with C++98 is NOT SUPPORTED (yet)!";
+  exit 1
+elif [ "$LANGUAGE" == "c++11" ]; then
+  echo "Building with C++11";
+  #OPTIONS="$OPTIONS -DCMAKE_CXX_FLAGS='-std=c++11' "
+  # option is automatic for now
+  BUILDPATH="$BUILDPATH-cpp11"
+else
+  echo "Unknown language: $LANGUAGE"
+  exit 1
+fi
+
+
+#=====================================
+# Build type Settings:
+#=====================================
+
+if [ "$BUILDTYPE" == "debug" ]; then
+  echo "Building in DEBUG";
+  OPTIONS="$OPTIONS -DCMAKE_BUILD_TYPE=Debug "
+  BUILDPATH="$BUILDPATH-debug"
+  BINPATH="bin/Debug"
+elif [ "$BUILDTYPE" == "release" ]; then
+  echo "Building in RELEASE";
+  OPTIONS="$OPTIONS -DCMAKE_BUILD_TYPE=Release "
+  BUILDPATH="$BUILDPATH-release"
+  BINPATH="bin/Release"
+else
+  echo "Unknown build type: $BUILDTYPE"
+  exit 1
+fi
+
+
+#=====================================
+# Max Jobs
+#=====================================
+
+JOBS=`grep -c ^processor /proc/cpuinfo`
+JOBS=$(($JOBS > 8 ? 8 : $JOBS))
+echo "Building with $JOBS jobs"
+
+#=====================================
+# Color Settings:
+#=====================================
+NC='\033[0m'
+OUTPUT='\033[0;32m'
+WARNING='\033[0;93m'
+
+
+#=====================================
+#=====================================
+#=====================================
+
+echo -e "${OUTPUT}"
+echo ""
+echo "======================================================================"
+echo "Building $BUILDPATH"
+echo "  cmake: $OPTIONS"
+echo "======================================================================"
+echo -e "${NC}"
+
+cd $STARTPATH
+
+if [ ! -d $BUILDPATH ]; then
+  mkdir $BUILDPATH
+fi
+
+cd $BUILDPATH
+
+cmake -G Ninja $ADDITIONAL_CMAKE_OPTIONS $OPTIONS ../
+
+#build it
+ninja -j $JOBS -l $JOBS
+
+if [ -n "$TEST_BINARY" ]; then
+
+  echo -e "${OUTPUT}"
+  echo ""
+  echo "======================================================================"
+  echo "Running Unittests"
+  echo "======================================================================"
+  echo -e "${NC}"
+
+  # going to bin/BUILDTYPE
+  cd $STARTPATH
+  cd $BINPATH
+
+  #execute tests
+  ./$TEST_BINARY --gtest_color=yes
+
+fi
+
+#=====================================
+# back to start
+cd $STARTPATH