[meta,cmake] Restructure project and introduce CMake tooling

Rearrange project to conform to current best-practices in modern C++ repo organization.

Introduce initial configuration file for the CMake meta-build system, based on the restructured organization.

scripts/scdaqrpm.sh

@@ -10,7 +10,7 @@ if [ "$RHEL_MAJOR" = "7" ]; then
     exit 1
   fi
 else
-  if ! rpm -q gcc redhat-rpm-config rpm-build zlib-devel; then
+  if ! rpm -q gcc redhat-rpm-config rpm-build zlib-devel cmake; then
     echo ""
     echo "Please install missing packages."
     exit 1
@@ -19,6 +19,8 @@ fi
 echo "..Build dependencies OK"
 echo ""
 
+BUILDSYS=${BUILD_SYSTEM:-make}
+
 cd $SCRIPTDIR/..
 BASEDIR=$PWD
 PARAMCACHE="paramcache"
@@ -128,19 +130,20 @@ scouting daq
 echo $RPM_SOURCE_DIR
 echo $BASEDIR
 
-mkdir -p SOURCES/
-mkdir -p include/
-mkdir -p external/
-
-cp -R $BASEDIR/src SOURCES/
-cp -R $BASEDIR/include include/
+mkdir -p SOURCES; cp -R $BASEDIR/src/* SOURCES/
+mkdir -p include; cp -R $BASEDIR/include/* include/
 
 %build
 echo $RPM_SOURCE_DIR
-cd SOURCES
-pwd
-ls
-make all
+if [ "$BUILDSYS" = "cmake" ]; then
+  cp $BASEDIR/CMakeLists.txt .
+  cd SOURCES; pwd
+  cmake ..
+  make all
+else
+  cd SOURCES; pwd
+  make all
+fi
 
 %install
 echo $RPM_SOURCE_DIR
@@ -195,5 +198,5 @@ if [ \$1 == 0 ]; then
 fi
 
 EOF
-mkdir -p RPMBUILD/{RPMS/{noarch},SPECS,BUILD,SOURCES,SRPMS,include,external}
+mkdir -p RPMBUILD/{RPMS/{noarch},SPECS,BUILD,SOURCES,SRPMS,include}
 rpmbuild --define "_topdir $(pwd)/RPMBUILD" -bb scoutdaq.spec