[v0.11] Small adjustments to fix compilation on older compilers

CMakeLists.txt

@@ -49,7 +49,7 @@ endif()
 
 add_executable(gpufetch ${COMMON_DIR}/main.cpp ${COMMON_DIR}/args.cpp ${COMMON_DIR}/gpu.cpp ${COMMON_DIR}/pci.cpp ${COMMON_DIR}/global.cpp ${COMMON_DIR}/printer.cpp ${COMMON_DIR}/master.cpp ${COMMON_DIR}/uarch.cpp)
 set(SANITY_FLAGS "-Wfloat-equal -Wshadow -Wpointer-arith")
-set(CMAKE_CXX_FLAGS "${SANITY_FLAGS} -Wall -Wextra -pedantic -fstack-protector-all -pedantic")
+set(CMAKE_CXX_FLAGS "${SANITY_FLAGS} -Wall -Wextra -pedantic -fstack-protector-all -pedantic -std=c++11")
 
 if(ENABLE_INTEL_BACKEND)
   target_compile_definitions(gpufetch PUBLIC BACKEND_INTEL)

src/common/gpu.cpp

@@ -32,8 +32,6 @@ VENDOR get_gpu_vendor(struct gpu_info* gpu) {
   return gpu->vendor;
 }
 
-double trunc(double val) { return ((int)(100 * val)) / 100.0; }
-
 int32_t get_value_as_smallest_unit(char ** str, uint64_t value) {
   int32_t ret;
   int max_len = 10; // Max is 8 for digits, 2 for units