tar zxvf bcm2835-1.xx.tar.gz
cd bcm2835-1.xx
./configure
make
sudo make check
sudo make install

gcc -o blink blink.c -l bcm2835

------ Rebuild All started: Project: LinuxProject1, Configuration: Debug Win32 ------
  VisualGDB: Attempting inline build...
  VisualGDB: Run "make CONFIG=Debug clean" in directory "/tmp/VisualGDB/c/visual_studio_projects/n1/LinuxProject1/LinuxProject1" on pi@192.168.1.111 (SSH)
  rm -rf Debug
  VisualGDB: Sending 6 updated source files to build machine...
  VisualGDB: Run "make CONFIG=Debug" in directory "/tmp/VisualGDB/c/visual_studio_projects/n1/LinuxProject1/LinuxProject1" on pi@192.168.1.111 (SSH)
  mkdir Debug
  g++ -ggdb -ffunction-sections -O0   -DDEBUG  -c LinuxProject1.cpp -o Debug/LinuxProject1.o -MD -MF Debug/LinuxProject1.dep
  g++ -o Debug/LinuxProject1 -Wl,-gc-sections    -Wl,--start-group Debug/LinuxProject1.o   -Wl,--rpath='$ORIGIN'   -Wl,--end-group
  Debug/LinuxProject1.o: In function `main':
C:\visual_studio_projects\n1\LinuxProject1\LinuxProject1\LinuxProject1.cpp(9): error VGDB1000: undefined reference to `bcm2835_init'
C:\visual_studio_projects\n1\LinuxProject1\LinuxProject1\LinuxProject1.cpp(12): error VGDB1000: undefined reference to `bcm2835_gpio_fsel'
C:\visual_studio_projects\n1\LinuxProject1\LinuxProject1\LinuxProject1.cpp(17): error VGDB1000: undefined reference to `bcm2835_gpio_write'
C:\visual_studio_projects\n1\LinuxProject1\LinuxProject1\LinuxProject1.cpp(19): error VGDB1000: undefined reference to `bcm2835_delay'
C:\visual_studio_projects\n1\LinuxProject1\LinuxProject1\LinuxProject1.cpp(21): error VGDB1000: undefined reference to `bcm2835_gpio_write'
C:\visual_studio_projects\n1\LinuxProject1\LinuxProject1\LinuxProject1.cpp(23): error VGDB1000: undefined reference to `bcm2835_delay'
  collect2: ld returned 1 exit status
  make: *** [Debug/LinuxProject1] Error 1
  -------------------------------------------------------------
  Command exited with code 2
  Executable: make
  Arguments: CONFIG=Debug
  Directory: /tmp/VisualGDB/c/visual_studio_projects/n1/LinuxProject1/LinuxProject1
VisualGDB : error : Command-line action failed
C:\Program Files\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.MakeFile.Targets(43,5): error MSB3073: The command ""C:\Program Files\Sysprogs\VisualGDB\\VisualGDB.exe" /rebuild "C:\visual_studio_projects\n1\LinuxProject1\LinuxProject1\LinuxProject1.vcxproj" "/solution:C:\visual_studio_projects\n1\LinuxProject1\LinuxProject1.sln" "/config:Debug" "/platform:Win32"" exited with code 1.
========== Rebuild All: 0 succeeded, 1 failed, 0 skipped ==========