update instructions for fedora 25

its a shame this distrib doesnt provide older gcc toolchains.. :/

INSTALL

@@ -9,20 +9,24 @@ where your CUDA 6.5 toolkit is installed (usually /usr/local/cuda,
 but some distros may have a different default location)
 
 
-** How to compile on Fedora 22 (2015) **
+** How to compile on Fedora 25 **
 
 # Step 1: gcc and dependencies
-dnf install gcc gcc-c++ automake
-dnf install jansson-devel openssl-devel libcurl-devel zlib-devel pciutils-devel
+dnf install gcc gcc-c++ autoconf automake
+dnf install jansson-devel openssl-devel libcurl-devel zlib-devel
 
 # Step 2: nvidia drivers (Download common linux drivers from nvidia site)
 dnf install kernel-devel
-modprobe -r nouveau
-./NVIDIA-Linux-x86_64-346.72.run
+dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
+dnf check-update
+dnf install xorg-x11-drv-nvidia-cuda kmod-nvidia
+ln -s libnvidia-ml.so.1 /usr/lib64/libnvidia-ml.so
 
-# Step 3: CUDA SDK (Download from nvidia archive)
-dnf install cuda-repo-fedora20-6-5-prod-6.5-19.x86_64.rpm
-dnf install cuda-minimal-build-6-5.x86_64
+# Step 3: CUDA SDK (Download from nvidia the generic ".run" archive)
+#         --override is required to ignore "too recent" gcc 6.3
+#         --silent is required to install only the toolkit (no kmod)
+./cuda_8.0.61_375.26_linux.run --toolkit --silent --override
+nvcc --version
 
 # add the nvcc binary path to the system
 ln -s /usr/local/cuda-6.5 /usr/local/cuda
@@ -32,9 +36,19 @@ echo 'export PATH=$PATH:/usr/local/cuda/bin' > /etc/profile.d/cuda.sh
 echo /usr/local/cuda/lib64 > /etc/ld.so.conf.d/cuda.conf
 ldconfig
 
-# Step 4: Fix the toolkit warning with gcc 5.1
-edit the file /usr/local/cuda/include/host_config.h
-and comment/delete the line 82 : #error -- unsupported GNU version! gcc 4.9
+# Step 4: Fix the toolkit incompatibility with gcc 6
+
+# You need to build yourself an older GCC/G++ version, i recommend the 5.4
+# see https://gcc.gnu.org/mirrors.html
+
+wget ftp://ftp.lip6.fr/pub/gcc/releases/gcc-5.4.0/gcc-5.4.0.tar.bz2
+dnf install libmpc-devel mpfr-devel gmp-devel
+./configure --prefix=/usr/local --enable-languages=c,c++,lto --disable-multilib
+make -j 8 && make install
+(while this step, you have the time to cook something :p)
+
+# or, for previous fedora versions, edit the file /usr/local/cuda/include/host_config.h
+# and comment/delete the line 121 : #error -- unsupported GNU version! gcc versions later than 5 are not supported!
 
 ./build.sh
 

nvml.cpp

@@ -582,7 +582,7 @@ void nvml_print_device_info(int dev_id)
 	if (hnvml->nvmlDeviceGetClock) {
 		uint32_t gpu_clk = 0, mem_clk = 0;
 
-		fprintf(stderr, "------- Clocks -------\n");
+		// fprintf(stderr, "------- Clocks -------\n");
 
 		hnvml->nvmlDeviceGetClock(hnvml->devs[n], NVML_CLOCK_GRAPHICS, NVML_CLOCK_ID_APP_CLOCK_DEFAULT, &gpu_clk);
 		rc = hnvml->nvmlDeviceGetClock(hnvml->devs[n], NVML_CLOCK_MEM, NVML_CLOCK_ID_APP_CLOCK_DEFAULT, &mem_clk);