GPU Standalone: Fix standalone build helper if source path is given as relative path

Author: davidrohr

GPU/GPUTracking/Standalone/cmake/build.sh

@@ -4,9 +4,10 @@ if [[ -z $1 ]]; then
   exit 1
 fi
 set -e
+SRCPATH=$(realpath $1)
 mkdir -p standalone/build
 pushd standalone/build
-cp $1/GPU/GPUTracking/Standalone/cmake/config.cmake .
+cp $SRCPATH/GPU/GPUTracking/Standalone/cmake/config.cmake .
 if [[ $GPUCA_STANDALONE_CI == 1 ]]; then
   cat >> config.cmake << "EOF"
   set(ENABLE_CUDA 1)
@@ -17,7 +18,7 @@ if [[ $GPUCA_STANDALONE_CI == 1 ]]; then
   set(GPUCA_CONFIG_WERROR 1)
 EOF
 fi
-cmake -DCMAKE_INSTALL_PREFIX=../ $1/GPU/GPUTracking/Standalone
+cmake -DCMAKE_INSTALL_PREFIX=../ $SRCPATH/GPU/GPUTracking/Standalone
 make ${JOBS+-j $JOBS} install
 if [[ $GPUCA_STANDALONE_CI == 1 ]]; then
   cat >> config.cmake << "EOF"