Remove -fPIC from extra CMake CFLAGS

Building position independant code is the default behavior for CMake
when compiling shared library targets.

devLib/CMakeLists.txt

@@ -22,7 +22,7 @@ set(HEADERS
 )
 
 # Compiler flags
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wformat=2 -Winline -pipe -fPIC")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wformat=2 -Winline -pipe")
 
 # Add the library target
 add_library(wiringPiDev SHARED ${SRC})

wiringPi/CMakeLists.txt

@@ -43,7 +43,7 @@ set(HEADERS
     wpiExtensions.h
 )
 # Compiler flags
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wformat=2 -Winline -pipe -fPIC -Wformat-security")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wformat=2 -Winline -pipe -Wformat-security")
 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-soname,libwiringPi.so${WIRINGPI_SONAME_SUFFIX}")
 
 # Read version from version.h