Removed 'bc' dependencies

haanjack · haanjack · commit 806a15e89319 · 2020-08-27T15:09:25.000+09:00
diff --git a/Chapter01/01_cuda_introduction/01_hello_world/Makefile b/Chapter01/01_cuda_introduction/01_hello_world/Makefile
@@ -6,7 +6,7 @@ TARGET=hello_world
 INCLUDES= -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter01/01_cuda_introduction/02_vector_addition/Makefile b/Chapter01/01_cuda_introduction/02_vector_addition/Makefile
@@ -6,7 +6,7 @@ TARGET=vector_addition vector_addition_blocks vector_addition_threads vector_add
 INCLUDES= -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter02/02_memory_overview/01_sgemm/Makefile b/Chapter02/02_memory_overview/01_sgemm/Makefile
@@ -6,7 +6,7 @@ TARGET=sgemm
 INCLUDES= -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter02/02_memory_overview/02_vector_addition/Makefile b/Chapter02/02_memory_overview/02_vector_addition/Makefile
@@ -6,7 +6,7 @@ TARGET=vector_addition_gpu_thread_block
 INCLUDES= -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter02/02_memory_overview/03_aos_soa/Makefile b/Chapter02/02_memory_overview/03_aos_soa/Makefile
@@ -6,7 +6,7 @@ TARGET=aos soa
 INCLUDES= -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter02/02_memory_overview/04_matrix_transpose/Makefile b/Chapter02/02_memory_overview/04_matrix_transpose/Makefile
@@ -6,7 +6,7 @@ TARGET=matrix_transpose conflict_solved
 INCLUDES= -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter02/02_memory_overview/05_image_scaling/Makefile b/Chapter02/02_memory_overview/05_image_scaling/Makefile
@@ -6,7 +6,7 @@ TARGET=image_scaling
 INCLUDES= -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter02/02_memory_overview/06_unified_memory/Makefile b/Chapter02/02_memory_overview/06_unified_memory/Makefile
@@ -6,7 +6,7 @@ TARGET=unified_simple unified_initialized unified_prefetch unified_64align
 INCLUDES= -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter03/03_cuda_thread_programming/01_warp_and_thread_block/Makefile b/Chapter03/03_cuda_thread_programming/01_warp_and_thread_block/Makefile
@@ -5,7 +5,7 @@ NVCC=${CUDA_PATH}/bin/nvcc -ccbin ${HOST_COMPILER}
 INCLUDES= -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter03/03_cuda_thread_programming/02_cuda_occupancy/Makefile b/Chapter03/03_cuda_thread_programming/02_cuda_occupancy/Makefile
@@ -6,7 +6,7 @@ TARGET=sgemm
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter03/03_cuda_thread_programming/03_threadsync_and_reduction/Makefile b/Chapter03/03_cuda_thread_programming/03_threadsync_and_reduction/Makefile
@@ -6,7 +6,7 @@ TARGET=reduction_global reduction_shared
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter03/03_cuda_thread_programming/04_performance_limiter/Makefile b/Chapter03/03_cuda_thread_programming/04_performance_limiter/Makefile
@@ -7,7 +7,7 @@ TARGET=sgemm
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter03/03_cuda_thread_programming/05_warp_divergence/Makefile b/Chapter03/03_cuda_thread_programming/05_warp_divergence/Makefile
@@ -6,7 +6,7 @@ TARGET=reduction_sequential reduction_interleaving
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter03/03_cuda_thread_programming/06_limiter_balancing/Makefile b/Chapter03/03_cuda_thread_programming/06_limiter_balancing/Makefile
@@ -6,7 +6,7 @@ TARGET=reduction
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter03/03_cuda_thread_programming/07_warp_synchronous_programming/Makefile b/Chapter03/03_cuda_thread_programming/07_warp_synchronous_programming/Makefile
@@ -6,7 +6,7 @@ TARGET=reduction_wp
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter03/03_cuda_thread_programming/08_cooperative_group/Makefile b/Chapter03/03_cuda_thread_programming/08_cooperative_group/Makefile
@@ -6,7 +6,7 @@ TARGET=reduction_cg reduction_cg_shift
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter03/03_cuda_thread_programming/09_loop_unrolling/Makefile b/Chapter03/03_cuda_thread_programming/09_loop_unrolling/Makefile
@@ -6,7 +6,7 @@ TARGET=reduction_wp reduction_cg
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo# --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter03/03_cuda_thread_programming/10_atomic_operation/Makefile b/Chapter03/03_cuda_thread_programming/10_atomic_operation/Makefile
@@ -6,7 +6,7 @@ TARGET=reduction_atomic_simple reduction_atomic_warp reduction_atomic_block
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter03/03_cuda_thread_programming/11_mixed_precision_operation/Makefile b/Chapter03/03_cuda_thread_programming/11_mixed_precision_operation/Makefile
@@ -6,7 +6,7 @@ TARGET=mixed_precision_single mixed_precision_half mixed_precision_int
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter04/04_kernel_execution/01_cuda_stream/Makefile b/Chapter04/04_kernel_execution/01_cuda_stream/Makefile
@@ -6,7 +6,7 @@ TARGET=cuda_default_stream cuda_multi_stream cuda_multi_stream_with_sync cuda_mu
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter04/04_kernel_execution/02_pipelining/Makefile b/Chapter04/04_kernel_execution/02_pipelining/Makefile
@@ -6,7 +6,7 @@ TARGET=cuda_pipelining
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 # --default-stream per-thread # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter04/04_kernel_execution/03_cuda_callback/Makefile b/Chapter04/04_kernel_execution/03_cuda_callback/Makefile
@@ -6,7 +6,7 @@ TARGET=cuda_callback
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 --default-stream per-thread # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter04/04_kernel_execution/04_stream_priority/Makefile b/Chapter04/04_kernel_execution/04_stream_priority/Makefile
@@ -6,7 +6,7 @@ TARGET=prioritized_cuda_stream
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 --default-stream per-thread # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter04/04_kernel_execution/05_cuda_event/Makefile b/Chapter04/04_kernel_execution/05_cuda_event/Makefile
@@ -6,7 +6,7 @@ TARGET=cuda_event cuda_event_with_streams
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS= #-m64 --default-stream per-thread # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter04/04_kernel_execution/06_dynamic_parallelism/Makefile b/Chapter04/04_kernel_execution/06_dynamic_parallelism/Makefile
@@ -6,7 +6,7 @@ TARGET=dynamic_parallelism recursion
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -rdc=true -lcudadevrt # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter04/04_kernel_execution/07_grid_level_cg/Makefile b/Chapter04/04_kernel_execution/07_grid_level_cg/Makefile
@@ -6,7 +6,7 @@ TARGET=reduction
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter04/04_kernel_execution/08_openmp_cuda/Makefile b/Chapter04/04_kernel_execution/08_openmp_cuda/Makefile
@@ -6,7 +6,7 @@ TARGET=openmp openmp_default_stream openmp_gpus
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter04/04_kernel_execution/09_mps/Makefile b/Chapter04/04_kernel_execution/09_mps/Makefile
@@ -7,7 +7,7 @@ TARGET=simpleMPI
 INCLUDES = -I${CUDA_PATH}/samples/common/inc -I/usr/local/include/
 NVCC_FLAGS=-m64 -Xcompiler -fopenmp -rdc=true -lcudadevrt -lmpi # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter04/04_kernel_execution/10_kernel_execution_overhead/Makefile b/Chapter04/04_kernel_execution/10_kernel_execution_overhead/Makefile
@@ -7,7 +7,7 @@ TARGET=cuda_kernel
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -rdc=true # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter05/05_debug_profiling/01_focused_profile/Makefile b/Chapter05/05_debug_profiling/01_focused_profile/Makefile
@@ -6,7 +6,7 @@ TARGET=sgemm
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-G
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter05/05_debug_profiling/02_nvtx/Makefile b/Chapter05/05_debug_profiling/02_nvtx/Makefile
@@ -6,7 +6,7 @@ TARGET=sgemm
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS= -lnvToolsExt
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter05/05_debug_profiling/03_cuda_error/Makefile b/Chapter05/05_debug_profiling/03_cuda_error/Makefile
@@ -6,7 +6,7 @@ TARGET=sgemm
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter05/05_debug_profiling/04_cuda_assert/Makefile b/Chapter05/05_debug_profiling/04_cuda_assert/Makefile
@@ -6,7 +6,7 @@ TARGET=sgemm
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo -G # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter05/05_debug_profiling/07_debug_with_gdb/Makefile b/Chapter05/05_debug_profiling/07_debug_with_gdb/Makefile
@@ -6,7 +6,7 @@ TARGET=simple_sgemm
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -G -Xcompiler -rdynamic
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter05/05_debug_profiling/08_memcheck/Makefile b/Chapter05/05_debug_profiling/08_memcheck/Makefile
@@ -6,7 +6,7 @@ TARGET=simple_sgemm simple_sgemm_oob simple_sgemm_mem_leak
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter06/06_multigpu/04_gaussian_multi_node/Makefile b/Chapter06/06_multigpu/04_gaussian_multi_node/Makefile
@@ -15,7 +15,7 @@ HOSTFILE ?= myHosts
 CFLAGS = -O3 $(PARAMS) -I$(CUDA_PATH)/include/ -I$(MPI_PATH)/include 
 INCLUDES = -I$(CUDA_PATH)/include/ -I$(CUDA_PATH)/samples/inc -I$(CUDA_PATH)/targets/x86_64-linux/include
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter06/06_multigpu/05_streams/Makefile b/Chapter06/06_multigpu/05_streams/Makefile
@@ -8,7 +8,7 @@ NVCC_FLAGS=-m64 -lineinfo --default-stream per-thread -Xcompiler -fopenmp # --re
 
 LIBRARIES= -lgomp
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter06/06_multigpu/06_nccl/Makefile b/Chapter06/06_multigpu/06_nccl/Makefile
@@ -6,7 +6,7 @@ TARGET=nccl
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo -lnccl # --resource-usage  
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter07/07_parallel_programming_pattern/01_sgemm_optimization/Makefile b/Chapter07/07_parallel_programming_pattern/01_sgemm_optimization/Makefile
@@ -6,7 +6,7 @@ TARGET=sgemm
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo #--resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter07/07_parallel_programming_pattern/02_convolution/Makefile b/Chapter07/07_parallel_programming_pattern/02_convolution/Makefile
@@ -6,7 +6,7 @@ TARGET=convolution
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS= -lineinfo --maxrregcount=48 --resource-usage -Xcompiler -rdynamic -Xcompiler -fopenmp -rdc=true
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter07/07_parallel_programming_pattern/03_scan/Makefile b/Chapter07/07_parallel_programming_pattern/03_scan/Makefile
@@ -6,7 +6,7 @@ TARGET=scan
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 --resource-usage -lineinfo
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter07/07_parallel_programming_pattern/04_pack_n_split/Makefile b/Chapter07/07_parallel_programming_pattern/04_pack_n_split/Makefile
@@ -6,7 +6,7 @@ TARGET=pack_n_split
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -G # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter07/07_parallel_programming_pattern/05_n-body/Makefile b/Chapter07/07_parallel_programming_pattern/05_n-body/Makefile
@@ -6,7 +6,7 @@ TARGET=n-body
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 # --resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter07/07_parallel_programming_pattern/06_quicksort/Makefile b/Chapter07/07_parallel_programming_pattern/06_quicksort/Makefile
@@ -6,7 +6,7 @@ TARGET=quick_sort
 INCLUDES = -I${CUDA_PATH}/samples/common/inc
 NVCC_FLAGS=-m64 -lineinfo #--resource-usage
 
-IS_CUDA_11:=$(shell echo `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0 | bc)
+IS_CUDA_11:=${shell expr `$(NVCC) --version | grep compilation | grep -Eo -m 1 '[0-9]+.[0-9]' | head -1` \>= 11.0}
 
 # Gencode argumentes
 SMS = 35 37 50 52 60 61 70 75
diff --git a/Chapter07/07_parallel_programming_pattern/07_radixsort/Makefile b/Chapter07/07_parallel_programming_pattern/07_radixsort/Makefile
diff --git a/Chapter07/07_parallel_programming_pattern/08_histogram/Makefile b/Chapter07/07_parallel_programming_pattern/08_histogram/Makefile
diff --git a/Chapter08/08_cuda_libs_and_other_languages/01_sgemm/Makefile b/Chapter08/08_cuda_libs_and_other_languages/01_sgemm/Makefile
diff --git a/Chapter08/08_cuda_libs_and_other_languages/02_sgemm_mixed_precision/Makefile b/Chapter08/08_cuda_libs_and_other_languages/02_sgemm_mixed_precision/Makefile
diff --git a/Chapter08/08_cuda_libs_and_other_languages/03_curand/Makefile b/Chapter08/08_cuda_libs_and_other_languages/03_curand/Makefile
diff --git a/Chapter08/08_cuda_libs_and_other_languages/04_cufft/Makefile b/Chapter08/08_cuda_libs_and_other_languages/04_cufft/Makefile
diff --git a/Chapter08/08_cuda_libs_and_other_languages/05_npp/Makefile b/Chapter08/08_cuda_libs_and_other_languages/05_npp/Makefile
diff --git a/Chapter08/08_cuda_libs_and_other_languages/06_opencv/Makefile b/Chapter08/08_cuda_libs_and_other_languages/06_opencv/Makefile
