[v0.05] Allow user to change CUDA_PATH. Add CMakeLists.txt in case I decide to change to CMake later

CMakeLists.txt

@@ -0,0 +1,50 @@
+cmake_minimum_required(VERSION 3.10)
+include(CheckLanguage)
+
+project(gpufetch CXX)
+
+set(SRC_DIR "src")
+set(COMMON_DIR "${SRC_DIR}/common")
+set(CUDA_DIR "${SRC_DIR}/cuda")
+
+if(NOT WIN32)
+  string(ASCII 27 Esc)
+  set(ColorReset "${Esc}[m")
+  set(ColorBold  "${Esc}[1m")
+  set(Red         "${Esc}[31m")
+  set(Green	  "${Esc}[32m")
+  set(BoldRed     "${Esc}[1;31m")
+  set(BoldGreen   "${Esc}[1;32m")
+endif()
+
+check_language(CUDA)
+if(CMAKE_CUDA_COMPILER)
+  enable_language(CUDA)
+else()
+  message(FATAL_ERROR "${BoldRed}[ERROR]${ColorReset} Unable to find CUDA compiler. You may use -DCMAKE_CUDA_COMPILER and -DCMAKE_CUDA_COMPILER_TOOLKIT_ROOT if CUDA is installed but not detected by CMake")
+endif()
+
+set(SANITY_FLAGS "-Wfloat-equal -Wshadow -Wpointer-arith")
+set(CMAKE_CXX_FLAGS "${SANITY_FLAGS} -Wall -Wextra -pedantic -fstack-protector-all -pedantic")
+
+# https://en.wikipedia.org/w/index.php?title=CUDA&section=5#GPUs_supported
+# https://raw.githubusercontent.com/PointCloudLibrary/pcl/master/cmake/pcl_find_cuda.cmake
+if(${CMAKE_CUDA_COMPILER_VERSION} VERSION_GREATER_EQUAL "11.0")
+  set(CMAKE_CUDA_ARCHITECTURES 35 37 50 52 53 60 61 62 70 72 75 80 86)
+elseif(${CMAKE_CUDA_COMPILER_VERSION} VERSION_GREATER_EQUAL "10.0")
+  set(CMAKE_CUDA_ARCHITECTURES 30 32 35 37 50 52 53 60 61 62 70 72 75)
+elseif(${CMAKE_CUDA_COMPILER_VERSION} VERSION_GREATER_EQUAL "9.0")
+  set(CMAKE_CUDA_ARCHITECTURES 30 32 35 37 50 52 53 60 61 62 70 72)
+elseif(${CMAKE_CUDA_COMPILER_VERSION} VERSION_EQUAL "8.0")
+  set(CMAKE_CUDA_ARCHITECTURES 20 21 30 32 35 37 50 52 53 60 61 62)
+endif()
+
+add_library(cuda_backend STATIC ${CUDA_DIR}/cuda.cpp ${CUDA_DIR}/uarch.cpp ${CUDA_DIR}/nvmlb.cpp ${CUDA_DIR}/pci.cpp)
+target_include_directories(cuda_backend PUBLIC ${CMAKE_CUDA_COMPILER_TOOLKIT_ROOT}/samples/common/inc ${CMAKE_CUDA_COMPILER_TOOLKIT_ROOT}/targets/x86_64-linux/include)
+link_directories(${CMAKE_CUDA_COMPILER_TOOLKIT_ROOT}/targets/x86_64-linux/lib)
+
+add_executable(gpufetch ${COMMON_DIR}/main.cpp ${COMMON_DIR}/args.cpp ${COMMON_DIR}/gpu.cpp ${COMMON_DIR}/global.cpp ${COMMON_DIR}/printer.cpp)
+target_link_libraries(cuda_backend cudart nvidia-ml)
+target_link_libraries(gpufetch cuda_backend)
+
+install(TARGETS gpufetch DESTINATION bin)

Makefile

@@ -1,10 +1,10 @@
 CXX ?= g++
+CUDA_PATH ?= /usr/local/cuda/
+PREFIX ?= /usr
 
 CXXFLAGS+=-Wall -Wextra -pedantic -fstack-protector-all -pedantic
 SANITY_FLAGS=-Wfloat-equal -Wshadow -Wpointer-arith
 
-PREFIX ?= /usr
-
 SRC_COMMON=src/common/
 SRC_CUDA=src/cuda/
 
@@ -13,7 +13,6 @@ COMMON_HDR = $(SRC_COMMON)ascii.hpp $(SRC_COMMON)gpu.hpp $(SRC_COMMON)args.hpp $
 
 CUDA_SRC = $(SRC_CUDA)cuda.cpp $(SRC_CUDA)uarch.cpp $(SRC_CUDA)pci.cpp $(SRC_CUDA)nvmlb.cpp
 CUDA_HDR = $(SRC_CUDA)cuda.hpp $(SRC_CUDA)uarch.hpp $(SRC_CUDA)pci.hpp $(SRC_CUDA)nvmlb.hpp $(SRC_CUDA)chips.hpp
-CUDA_PATH = /usr/local/cuda/
 
 SOURCE += $(COMMON_SRC) $(CUDA_SRC)
 HEADERS += $(COMMON_HDR) $(CUDA_HDR)

build.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# gpufetch build script
+set -e
+
+rm -rf build/ gpufetch
+mkdir build/
+cd build/
+
+# In case you have CUDA installed but it is not detected,
+# - set CMAKE_CUDA_COMPILER to your nvcc binary:
+# - set CMAKE_CUDA_COMPILER_TOOLKIT_ROOT to the CUDA root dir
+cmake -DCMAKE_CUDA_COMPILER=/usr/local/cuda/bin/nvcc -DCMAKE_CUDA_COMPILER_TOOLKIT_ROOT=/usr/local/cuda/ ..
+#cmake ..
+make -j$(nproc)
+cd -
+ln -s build/gpufetch .

src/common/main.cpp

@@ -7,7 +7,7 @@
 #include "../cuda/cuda.hpp"
 #include "../cuda/uarch.hpp"
 
-static const char* VERSION = "0.04";
+static const char* VERSION = "0.05";
 
 void print_help(char *argv[]) {
   const char **t = args_str;