diff --git a/CMake/CMakeMacros.cmake b/CMake/CMakeMacros.cmake
index 5049e4fbc7..7e85ddd870 100644
--- a/CMake/CMakeMacros.cmake
+++ b/CMake/CMakeMacros.cmake
@@ -55,3 +55,4 @@ function(disable_project_warnings projectName)
     endif()
   endif()
 endfunction()
+
diff --git a/CMake/DefineOptions.cmake b/CMake/DefineOptions.cmake
index 6e14ffe92d..3963314ec2 100644
--- a/CMake/DefineOptions.cmake
+++ b/CMake/DefineOptions.cmake
@@ -1,6 +1,11 @@
 # Prep options that are needed for each platform.
+
+# This option allows for networking support with StepMania.
 option(WITH_NETWORKING "Build with networking support." ON)
 
+# This option allows for additional version information to be built-in.
+option(WITH_VERSION_INFO "Build with version information." ON)
+
 # This option quiets warnings that are a part of external projects.
 option(WITH_EXTERNAL_WARNINGS "Build with warnings for all components, not just StepMania." OFF)
 
diff --git a/StepmaniaCore.cmake b/StepmaniaCore.cmake
index 8e2994a399..2a9109f523 100644
--- a/StepmaniaCore.cmake
+++ b/StepmaniaCore.cmake
@@ -45,8 +45,67 @@ include("${CMAKE_CURRENT_LIST_DIR}/CMake/SMDefs.cmake")
 # Put the predefined targets in separate groups.
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
+# Checks the standard include directories for c-style headers.
+# We may use C++ in this project, but the check works better with plain C headers.
+include(CheckIncludeFiles)
+check_include_files(math.h HAVE_MATH_H)
+check_include_files(alloca.h HAVE_ALLOCA_H)
+check_include_files(dirent.h HAVE_DIRENT_H)
+check_include_files(inttypes.h HAVE_INTTYPES_H)
+check_include_files(stdint.h HAVE_STDINT_H)
+check_include_files(endian.h HAVE_ENDIAN_H)
+check_include_files(sys/endian.h HAVE_SYS_ENDIAN_H)
+check_include_files(machine/endian.h HAVE_MACHINE_ENDIAN_H)
+check_include_files(sys/param.h HAVE_SYS_PARAM_H)
+check_include_files(sys/utsname.h HAVE_SYS_UTSNAME_H)
+check_include_files(fcntl.h HAVE_FCNTL_H)
+check_include_files(unistd.h HAVE_UNISTD_H)
+
+include(CheckFunctionExists)
+include(CheckSymbolExists)
+include(CheckCXXSymbolExists)
+if (WIN32 AND MSVC)
+  check_function_exists(_mkdir HAVE__MKDIR)
+  check_function_exists(_snprintf HAVE__SNPRINTF)
+else()
+  check_function_exists(mkdir HAVE_MKDIR)
+  check_function_exists(snprintf HAVE_SNPRINTF)
+endif()
+check_cxx_symbol_exists(powf cmath HAVE_POWF)
+check_cxx_symbol_exists(sqrtf cmath HAVE_SQRTF)
+check_cxx_symbol_exists(sinf cmath HAVE_SINF)
+check_cxx_symbol_exists(tanf cmath HAVE_TANF)
+check_cxx_symbol_exists(cosf cmath HAVE_COSF)
+check_cxx_symbol_exists(acosf cmath HAVE_ACOSF)
+check_cxx_symbol_exists(truncf cmath HAVE_TRUNCF)
+check_cxx_symbol_exists(roundf cmath HAVE_ROUNDF)
+check_cxx_symbol_exists(lrintf cmath HAVE_LRINTF)
+check_cxx_symbol_exists(strtof cstdlib HAVE_STRTOF)
+check_symbol_exists(M_PI math.h HAVE_M_PI)
+
+# Checks to make it easier to work with 32-bit/64-bit builds if required.
+include(CheckTypeSize)
+check_type_size(intptr_t SIZEOF_INTPTR_T)
+check_type_size(pid_t SIZEOF_PID_T)
+check_type_size(size_t SIZEOF_SIZE_T)
+check_type_size(ssize_t SIZEOF_SSIZE_T)
+
+include(TestBigEndian)
+test_big_endian(BIGENDIAN)
+if (${BIGENDIAN})
+  set(ENDIAN_BIG 1)
+else()
+  set(ENDIAN_LITTLE 1)
+endif()
+
+if (WITH_VERSION_INFO)
+  set(HAVE_VERSION_INFO 1)
+endif()
+
+configure_file("${SM_SRC_DIR}/config.in.hpp" "${SM_SRC_DIR}/generated/config.hpp")
+
 # Dependencies go here.
-set(ENDIANNESS "ENDIAN_LITTLE")
+
 if(WIN32)
   set(HAS_OGG TRUE)
   set(HAS_MP3 TRUE)
@@ -114,7 +173,6 @@ elseif(MACOSX)
     MAC_FRAME_QUICKTIME
   )
 elseif(LINUX)
-  include(TestBigEndian)
   include(ExternalProject)
 
   if(NOT WITH_GPL_LIBS)
@@ -321,11 +379,6 @@ elseif(LINUX)
     message(FATAL_ERROR "GLEW required to compile StepMania.")
   endif()
 
-  test_big_endian(BIGENDIAN)
-  if (${BIGENDIAN})
-    set(ENDIANNESS "ENDIAN_BIG")
-  endif()
-
 endif()
 
 # Define installer based items for cpack.
diff --git a/src/CMakeData-gtk.cmake b/src/CMakeData-gtk.cmake
index 63b6d358aa..7082744c79 100644
--- a/src/CMakeData-gtk.cmake
+++ b/src/CMakeData-gtk.cmake
@@ -7,7 +7,6 @@ add_library("GtkModule"
   "arch/LoadingWindow/LoadingWindow_GtkModule.cpp"
   "arch/LoadingWindow/LoadingWindow_GtkModule.h"
 )
-sm_add_compile_definition("GtkModule" "${ENDIANNESS}")
 
 # It is normally not appropriate to set the prefix to the empty string.
 # This is to maintain compatibility with the current source.
@@ -23,7 +22,11 @@ target_link_libraries("GtkModule" ${GTK2_LIBRARIES})
 set_property(TARGET "GtkModule" PROPERTY FOLDER "Internal Libraries")
 list(APPEND SM_GTK_INCLUDE_DIRS
   "${SM_SRC_DIR}"
+  "${SM_SRC_DIR}/generated"
   "${SM_SRC_DIR}/arch/LoadingWindow"
   "${GTK2_INCLUDE_DIRS}"
 )
+
+sm_add_compile_definition("GtkModule" CMAKE_POWERED)
+
 target_include_directories("GtkModule" PUBLIC ${SM_GTK_INCLUDE_DIRS})
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 32f8aaaf3c..ca7e2bb151 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -38,6 +38,7 @@ list(APPEND SMDATA_GLOBAL_FILES_SRC
 )
 
 list(APPEND SMDATA_GLOBAL_FILES_HPP
+  "generated/config.hpp"
   "GameLoop.h"
   "global.h"
   "ProductInfo.h" # TODO: Have this be auto-generated.
@@ -204,6 +205,10 @@ set_target_properties("${SM_EXE_NAME}" PROPERTIES
   RELWITHDEBINFO_OUTPUT_NAME "${SM_NAME_RELWITHDEBINFO}"
 )
 
+if (WITH_VERSION_INFO)
+  sm_add_compile_definition("${SM_EXE_NAME}" HAVE_VERSION_INFO)
+endif()
+
 if (WITH_PORTABLE_TOMCRYPT)
   sm_add_compile_definition("${SM_EXE_NAME}" LTC_NO_ASM)
 elseif (WITH_NO_ROLC_TOMCRYPT OR APPLE)
@@ -365,8 +370,6 @@ elseif(APPLE)
     COMMAND ${CMAKE_COMMAND} -E copy "${SM_XCODE_DIR}/Hardware.plist" "$<TARGET_FILE_DIR:StepMania>/../Resources/"
   )
 else() # Linux
-  # TODO: Have this compile definition be used all over. Currently fixed for Windows and Mac, but in headers.
-  sm_add_compile_definition("${SM_EXE_NAME}" "${ENDIANNESS}")
   set_target_properties("${SM_EXE_NAME}" PROPERTIES
     RUNTIME_OUTPUT_DIRECTORY "${SM_ROOT_DIR}"
     RUNTIME_OUTPUT_DIRECTORY_RELEASE "${SM_ROOT_DIR}"
@@ -610,6 +613,7 @@ target_link_libraries("${SM_EXE_NAME}" ${SMDATA_LINK_LIB})
 
 list(APPEND SM_INCLUDE_DIRS
   ${CMAKE_CURRENT_SOURCE_DIR}
+  "${SM_SRC_DIR}/generated"
   "${SM_EXTERN_DIR}/vorbis"
 )
 if(NOT APPLE)
diff --git a/src/RageException.h b/src/RageException.h
index 803bcb4c4d..210b8bac49 100644
--- a/src/RageException.h
+++ b/src/RageException.h
@@ -1,5 +1,10 @@
 #ifndef RAGE_EXCEPTION_H
 #define RAGE_EXCEPTION_H
+
+#if defined(CMAKE_POWERED)
+#include "config.hpp"
+#endif
+
 /**
  * @brief Namespace for throwing fatal errors.
  *
diff --git a/src/RageFileDriverDirect.cpp b/src/RageFileDriverDirect.cpp
index b9be858378..54d9f70ae0 100644
--- a/src/RageFileDriverDirect.cpp
+++ b/src/RageFileDriverDirect.cpp
@@ -6,14 +6,19 @@
 #include "RageUtil_FileDB.h"
 #include "RageLog.h"
 
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 #include <cerrno>
 #include <sys/types.h>
 #include <sys/stat.h>
 
 #if !defined(WIN32)
+
+#if defined(HAVE_DIRENT_H)
 #include <dirent.h>
-#include <fcntl.h>
+#endif
+
 #else
 #include "archutils/Win32/ErrorStrings.h"
 #include <windows.h>
diff --git a/src/RageFileDriverDirectHelpers.cpp b/src/RageFileDriverDirectHelpers.cpp
index fd8aa8d048..219878103c 100644
--- a/src/RageFileDriverDirectHelpers.cpp
+++ b/src/RageFileDriverDirectHelpers.cpp
@@ -9,8 +9,11 @@
 #include <sys/stat.h>
 
 #if !defined(WIN32)
+
+#if defined(HAVE_DIRENT_H)
 #include <dirent.h>
-#include <fcntl.h>
+#endif
+
 #else
 #include <windows.h>
 #include <io.h>
diff --git a/src/RageFileDriverDirectHelpers.h b/src/RageFileDriverDirectHelpers.h
index 91b2f0d9d4..7d37f08f2e 100644
--- a/src/RageFileDriverDirectHelpers.h
+++ b/src/RageFileDriverDirectHelpers.h
@@ -3,7 +3,9 @@
 #ifndef RAGE_FILE_DRIVER_DIRECT_HELPERS_H
 #define RAGE_FILE_DRIVER_DIRECT_HELPERS_H
 
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 
 #define DoOpen open
 #define DoStat stat
diff --git a/src/RageFileDriverReadAhead.cpp b/src/RageFileDriverReadAhead.cpp
index 098acc29ac..57b8966cd1 100644
--- a/src/RageFileDriverReadAhead.cpp
+++ b/src/RageFileDriverReadAhead.cpp
@@ -43,7 +43,9 @@
 #include "RageUtil.h"
 #include "RageFileManager_ReadAhead.h"
 
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 #include <cerrno>
 #if defined(WIN32)
 #include <io.h>
diff --git a/src/RageFileManager_ReadAhead.cpp b/src/RageFileManager_ReadAhead.cpp
index f955856282..c174f0bde0 100644
--- a/src/RageFileManager_ReadAhead.cpp
+++ b/src/RageFileManager_ReadAhead.cpp
@@ -3,7 +3,9 @@
 #include "RageThreads.h"
 #include "RageLog.h"
 
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 #include <cerrno>
 #if defined(WIN32)
 #include <io.h>
diff --git a/src/RageSoundReader_ThreadedBuffer.cpp b/src/RageSoundReader_ThreadedBuffer.cpp
index b14de5afb3..14dac250a9 100644
--- a/src/RageSoundReader_ThreadedBuffer.cpp
+++ b/src/RageSoundReader_ThreadedBuffer.cpp
@@ -5,10 +5,6 @@
 #include "Foreach.h"
 #include "RageLog.h"
 
-#if !defined(_WINDOWS)
-#include <unistd.h>
-#endif
-
 /* Implement threaded read-ahead buffering.
  *
  * If a buffer is low on data, keep filling until it has a g_iMinFillFrames.
diff --git a/src/RageUtil.h b/src/RageUtil.h
index 1ea979a785..5895fe9498 100644
--- a/src/RageUtil.h
+++ b/src/RageUtil.h
@@ -563,7 +563,7 @@ RString Basename( const RString &dir );
 RString Dirname( const RString &dir );
 RString Capitalize( const RString &s );
 
-#ifndef WIN32
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h> /* correct place with correct definitions */
 #endif
 
diff --git a/src/arch/ArchHooks/ArchHooks_Unix.cpp b/src/arch/ArchHooks/ArchHooks_Unix.cpp
index 31033727a4..d70ec997b7 100644
--- a/src/arch/ArchHooks/ArchHooks_Unix.cpp
+++ b/src/arch/ArchHooks/ArchHooks_Unix.cpp
@@ -11,7 +11,9 @@
 #include "archutils/Common/PthreadHelpers.h"
 #include "archutils/Unix/EmergencyShutdown.h"
 #include "archutils/Unix/AssertionHandler.h"
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/wait.h>
diff --git a/src/arch/InputHandler/InputHandler_Linux_Event.cpp b/src/arch/InputHandler/InputHandler_Linux_Event.cpp
index 4f26f60831..be60412c29 100644
--- a/src/arch/InputHandler/InputHandler_Linux_Event.cpp
+++ b/src/arch/InputHandler/InputHandler_Linux_Event.cpp
@@ -5,8 +5,13 @@
 #include "LinuxInputManager.h"
 #include "GamePreferences.h" //needed for Axis Fix
 
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
+
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 
 #include <errno.h>
 #include <sys/types.h>
diff --git a/src/arch/InputHandler/InputHandler_Linux_Joystick.cpp b/src/arch/InputHandler/InputHandler_Linux_Joystick.cpp
index 96cba13f02..e5e729eb16 100644
--- a/src/arch/InputHandler/InputHandler_Linux_Joystick.cpp
+++ b/src/arch/InputHandler/InputHandler_Linux_Joystick.cpp
@@ -5,8 +5,12 @@
 #include "LinuxInputManager.h"
 #include "RageInputDevice.h" // NUM_JOYSTICKS
 
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 
 #include <errno.h>
 #include <sys/types.h>
diff --git a/src/arch/InputHandler/InputHandler_Linux_PIUIO.cpp b/src/arch/InputHandler/InputHandler_Linux_PIUIO.cpp
index 1febef3722..2a82553f1f 100644
--- a/src/arch/InputHandler/InputHandler_Linux_PIUIO.cpp
+++ b/src/arch/InputHandler/InputHandler_Linux_PIUIO.cpp
@@ -5,8 +5,12 @@
 
 #include <stdio.h>
 #include <string.h>
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 
 #include <errno.h>
 #include <sys/types.h>
diff --git a/src/arch/InputHandler/InputHandler_Linux_tty.cpp b/src/arch/InputHandler/InputHandler_Linux_tty.cpp
index 88015caa08..cbadef03ae 100644
--- a/src/arch/InputHandler/InputHandler_Linux_tty.cpp
+++ b/src/arch/InputHandler/InputHandler_Linux_tty.cpp
@@ -16,7 +16,9 @@
 #include <errno.h>
 
 #include <sys/ioctl.h>
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 
 #include <linux/kd.h>
 #include <linux/keyboard.h>
diff --git a/src/arch/InputHandler/LinuxInputManager.cpp b/src/arch/InputHandler/LinuxInputManager.cpp
index e657dd58b7..395d5e3c3f 100644
--- a/src/arch/InputHandler/LinuxInputManager.cpp
+++ b/src/arch/InputHandler/LinuxInputManager.cpp
@@ -8,7 +8,11 @@
 #include "Foreach.h"
 
 #include <string> // std::string::npos
+
+#if defined(HAVE_DIRENT_H)
 #include <dirent.h>
+#endif
+
 #include <errno.h>
 
 RString getDevice(RString inputDir, RString type)
diff --git a/src/arch/Lights/LightsDriver_LinuxWeedTech.cpp b/src/arch/Lights/LightsDriver_LinuxWeedTech.cpp
index 7376118651..4c10a5fe0d 100644
--- a/src/arch/Lights/LightsDriver_LinuxWeedTech.cpp
+++ b/src/arch/Lights/LightsDriver_LinuxWeedTech.cpp
@@ -1,9 +1,15 @@
 #include "global.h"
 #include <stdio.h>
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <sys/types.h>
 #include <sys/stat.h>
+
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
+
 #include <termios.h>
 #include <errno.h>
 #include "LightsDriver_LinuxWeedTech.h"
diff --git a/src/arch/Lights/LightsDriver_Linux_PIUIO.cpp b/src/arch/Lights/LightsDriver_Linux_PIUIO.cpp
index 8895567f11..9225206fa5 100644
--- a/src/arch/Lights/LightsDriver_Linux_PIUIO.cpp
+++ b/src/arch/Lights/LightsDriver_Linux_PIUIO.cpp
@@ -1,9 +1,15 @@
 #include "global.h"
 #include <stdio.h>
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <sys/types.h>
 #include <sys/stat.h>
+
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
+
 #include <errno.h>
 #include "LightsDriver_Linux_PIUIO.h"
 #include "GameState.h"
diff --git a/src/arch/Lights/LightsDriver_Linux_PIUIO_Leds.cpp b/src/arch/Lights/LightsDriver_Linux_PIUIO_Leds.cpp
index 8da40318db..c0c24a7244 100644
--- a/src/arch/Lights/LightsDriver_Linux_PIUIO_Leds.cpp
+++ b/src/arch/Lights/LightsDriver_Linux_PIUIO_Leds.cpp
@@ -1,9 +1,15 @@
 #include "global.h"
 #include <stdio.h>
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <sys/types.h>
 #include <sys/stat.h>
+
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
+
 #include <errno.h>
 #include "LightsDriver_Linux_PIUIO_Leds.h"
 #include "GameState.h"
diff --git a/src/arch/MemoryCard/MemoryCardDriverThreaded_Linux.cpp b/src/arch/MemoryCard/MemoryCardDriverThreaded_Linux.cpp
index 96d770b41a..e6ea69fa85 100644
--- a/src/arch/MemoryCard/MemoryCardDriverThreaded_Linux.cpp
+++ b/src/arch/MemoryCard/MemoryCardDriverThreaded_Linux.cpp
@@ -6,8 +6,14 @@
 #include "RageTimer.h"
 
 #include <cerrno>
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
+
+#if defined(HAVE_DIRENT_H)
 #include <dirent.h>
+#endif
+
 #include <limits.h>
 #include <stdlib.h>
 #include <sys/types.h>
diff --git a/src/arch/MemoryCard/MemoryCardDriverThreaded_MacOSX.cpp b/src/arch/MemoryCard/MemoryCardDriverThreaded_MacOSX.cpp
index 7c745beeb2..96595a685e 100644
--- a/src/arch/MemoryCard/MemoryCardDriverThreaded_MacOSX.cpp
+++ b/src/arch/MemoryCard/MemoryCardDriverThreaded_MacOSX.cpp
@@ -9,11 +9,15 @@
 #include <IOKit/storage/IOMedia.h>
 #include <IOKit/usb/USBSpec.h>
 #include <IOKit/usb/IOUSBLib.h>
+#if defined(HAVE_SYS_PARAM_H)
 #include <sys/param.h>
+#endif
 #include <sys/ucred.h>
 #include <sys/mount.h>
 #include <paths.h>
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 
 class MemoryCardDriverThreaded_MacOSX::Helper
 {
diff --git a/src/arch/Sound/RageSoundDriver_OSS.cpp b/src/arch/Sound/RageSoundDriver_OSS.cpp
index 06d1737a98..b91b767309 100644
--- a/src/arch/Sound/RageSoundDriver_OSS.cpp
+++ b/src/arch/Sound/RageSoundDriver_OSS.cpp
@@ -6,8 +6,12 @@
 #include "RageSoundManager.h"
 #include "RageUtil.h"
 
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 #include <errno.h>
 #include <string.h>
 #include <sys/ioctl.h>
diff --git a/src/archutils/Common/PthreadHelpers.cpp b/src/archutils/Common/PthreadHelpers.cpp
index 49c35cdc55..edfa3ecc8e 100644
--- a/src/archutils/Common/PthreadHelpers.cpp
+++ b/src/archutils/Common/PthreadHelpers.cpp
@@ -10,9 +10,13 @@
 #endif
 
 #if defined(LINUX)
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <stdlib.h>
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/wait.h>
diff --git a/src/archutils/Common/PthreadHelpers.h b/src/archutils/Common/PthreadHelpers.h
index 301523c880..3ed725e4fb 100644
--- a/src/archutils/Common/PthreadHelpers.h
+++ b/src/archutils/Common/PthreadHelpers.h
@@ -1,7 +1,9 @@
 #ifndef PID_THREAD_HELPERS_H
 #define PID_THREAD_HELPERS_H
 
+#if defined(HAVE_STDINT_H)
 #include <stdint.h>
+#endif
 #include "global.h"
 
 RString ThreadsVersion();
diff --git a/src/archutils/Common/gcc_byte_swaps.h b/src/archutils/Common/gcc_byte_swaps.h
index 46290693b6..a9006240b6 100644
--- a/src/archutils/Common/gcc_byte_swaps.h
+++ b/src/archutils/Common/gcc_byte_swaps.h
@@ -3,7 +3,9 @@
 
 #if defined(CPU_X86)
 
+#if defined(HAVE_STDINT_H)
 #include <stdint.h>
+#endif
 
 inline uint32_t ArchSwap32( uint32_t n )
 {
diff --git a/src/archutils/Darwin/Crash.cpp b/src/archutils/Darwin/Crash.cpp
index a67f970bd4..68c9521dc6 100644
--- a/src/archutils/Darwin/Crash.cpp
+++ b/src/archutils/Darwin/Crash.cpp
@@ -4,7 +4,9 @@
 #include "arch/ArchHooks/ArchHooks.h"
 #include <CoreServices/CoreServices.h>
 #include <sys/types.h>
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <sys/sysctl.h>
 
 RString CrashHandler::GetLogsDirectory()
diff --git a/src/archutils/Darwin/arch_setup.h b/src/archutils/Darwin/arch_setup.h
index 2c5f81e613..24e5fd6579 100644
--- a/src/archutils/Darwin/arch_setup.h
+++ b/src/archutils/Darwin/arch_setup.h
@@ -4,7 +4,6 @@
 // Replace the main function.
 extern "C" int sm_main( int argc, char *argv[] );
 
-#define HAVE_VERSION_INFO
 #define HAVE_CXA_DEMANGLE
 #define HAVE_FFMPEG
 #define HAVE_PTHREAD_COND_TIMEDWAIT
@@ -12,11 +11,6 @@ extern "C" int sm_main( int argc, char *argv[] );
  * this in all cases. If only they could be consistent... */
 #define HAVE_DECL_SIGUSR1 1
 
-/* We have <machine/endian.h> which gets pulled in when we use gcc 4.0's <cstdlib>
- * but no <endian.h>. The definitions of LITTLE_ENDIAN, BIG_ENDIAN and end up conflicting
- * even though they resolve to the same thing (bug in gcc?). */
-#define HAVE_MACHINE_ENDIAN_H
-#define HAVE_INTTYPES_H
 #define __STDC_FORMAT_MACROS
 #define CRASH_HANDLER
 
@@ -25,7 +19,6 @@ extern "C" int sm_main( int argc, char *argv[] );
 #define NO_GL_FLUSH
 
 #define CPU_X86
-#define ENDIAN_LITTLE
 #define BACKTRACE_METHOD_X86_DARWIN
 #define BACKTRACE_LOOKUP_METHOD_DLADDR
 
diff --git a/src/archutils/Unix/AssertionHandler.cpp b/src/archutils/Unix/AssertionHandler.cpp
index f49e04f4fd..8e14e8ad6d 100644
--- a/src/archutils/Unix/AssertionHandler.cpp
+++ b/src/archutils/Unix/AssertionHandler.cpp
@@ -2,7 +2,9 @@
 #include "RageUtil.h"
 #include "RageException.h"
 #include "archutils/Unix/EmergencyShutdown.h"
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <assert.h>
 
 /* We can define this symbol to catch failed assert() calls.  This is only used
diff --git a/src/archutils/Unix/Backtrace.cpp b/src/archutils/Unix/Backtrace.cpp
index 3faa821108..032ce36f07 100644
--- a/src/archutils/Unix/Backtrace.cpp
+++ b/src/archutils/Unix/Backtrace.cpp
@@ -2,13 +2,17 @@
 #include "Backtrace.h"
 #include "RageUtil.h"
 
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <cstdlib>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <sys/stat.h>
 #include <cerrno>
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 
 #if defined(BACKTRACE_METHOD_X86_LINUX)
 #include "archutils/Common/PthreadHelpers.h"
diff --git a/src/archutils/Unix/BacktraceNames.cpp b/src/archutils/Unix/BacktraceNames.cpp
index 016ab7a79f..a5aee0221a 100644
--- a/src/archutils/Unix/BacktraceNames.cpp
+++ b/src/archutils/Unix/BacktraceNames.cpp
@@ -6,7 +6,9 @@
 #include <cstdio>
 #include <cstdlib>
 #include <cstdarg>
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <cstring>
 #include <cerrno>
 
diff --git a/src/archutils/Unix/CrashHandler.cpp b/src/archutils/Unix/CrashHandler.cpp
index abbef3de25..323abcd365 100644
--- a/src/archutils/Unix/CrashHandler.cpp
+++ b/src/archutils/Unix/CrashHandler.cpp
@@ -3,10 +3,14 @@
 #include <cstdio>
 #include <cstdlib>
 #include <cstdarg>
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <cerrno>
 #include <limits.h>
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 #include <csignal>
 
 #include "RageLog.h" /* for RageLog::GetAdditionalLog, etc, only */
diff --git a/src/archutils/Unix/GetSysInfo.cpp b/src/archutils/Unix/GetSysInfo.cpp
index 1eaaa9bd37..bfa3d5024b 100644
--- a/src/archutils/Unix/GetSysInfo.cpp
+++ b/src/archutils/Unix/GetSysInfo.cpp
@@ -1,7 +1,9 @@
 #include "global.h"
 #include "GetSysInfo.h"
 
+#if defined(HAVE_SYS_UTSNAME_H)
 #include <sys/utsname.h>
+#endif
 
 void GetKernel( RString &sys, int &iVersion )
 {
diff --git a/src/archutils/Unix/SignalHandler.cpp b/src/archutils/Unix/SignalHandler.cpp
index 41bcea2de6..adfc9891cb 100644
--- a/src/archutils/Unix/SignalHandler.cpp
+++ b/src/archutils/Unix/SignalHandler.cpp
@@ -8,7 +8,9 @@
 #include "archutils/Common/PthreadHelpers.h"
 #endif
 
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <sys/mman.h>
 #include <cerrno>
 
diff --git a/src/archutils/Unix/arch_setup.h b/src/archutils/Unix/arch_setup.h
index 165ce532a7..ad393a2a04 100644
--- a/src/archutils/Unix/arch_setup.h
+++ b/src/archutils/Unix/arch_setup.h
@@ -9,7 +9,7 @@
 #include <alloca.h>
 #endif
 
-#if !defined(MISSING_STDINT_H) /* need to define int64_t if so */
+#if defined(HAVE_STDINT_H) /* need to define int64_t if so */
 #include <stdint.h>
 #endif
 
@@ -19,13 +19,7 @@
 #ifdef BSD
 #undef ALIGN
 #undef MACHINE
-#if defined(__NetBSD_Version__) && __NetBSD_Version__ < 299000900
-#define lrintf(x) ((int)rint(x))
 #endif
-#endif
-
-/* For RageLog */
-#define HAVE_VERSION_INFO
 
 #include "archutils/Common/gcc_byte_swaps.h"
 
diff --git a/src/archutils/Win32/CrashHandlerChild.cpp b/src/archutils/Win32/CrashHandlerChild.cpp
index 4914348541..b3eefd601f 100644
--- a/src/archutils/Win32/CrashHandlerChild.cpp
+++ b/src/archutils/Win32/CrashHandlerChild.cpp
@@ -7,7 +7,9 @@
 #include <commctrl.h>
 #include "archutils/Win32/ddk/dbghelp.h"
 #include <io.h>
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 #include <shellapi.h>
 
 #include "arch/ArchHooks/ArchHooks.h"
diff --git a/src/archutils/Win32/arch_setup.h b/src/archutils/Win32/arch_setup.h
index 576cb0c89c..4fc0ace9dc 100644
--- a/src/archutils/Win32/arch_setup.h
+++ b/src/archutils/Win32/arch_setup.h
@@ -24,8 +24,6 @@
 #pragma warning (disable : 4005) // macro redefinitions (ARRAYSIZE)
 #endif
 
-#define snprintf _snprintf // Unsure if this goes with __MINGW32__ right now.
-
 /*
 The following warnings are disabled in all builds.
 Enable them in the project file at your peril (or if you feel like
@@ -82,7 +80,6 @@ C4355: 'this' : used in base member initializer list
 
 #endif
 
-#include <direct.h> // has stuff that should be in unistd.h
 #include <wchar.h> // needs to be included before our fixes below
 
 #define lstat stat
@@ -90,9 +87,6 @@ C4355: 'this' : used in base member initializer list
 #define isnan _isnan
 #define isfinite _finite
 
-// mkdir is missing the mode arg
-#define mkdir(p,m) mkdir(p)
-
 typedef time_t time_t;
 struct tm;
 struct tm *my_localtime_r( const time_t *timep, struct tm *result );
@@ -135,43 +129,12 @@ int64_t llabs( int64_t i ) { return i >= 0 ? i : -i; }
 #undef max
 #define NOMINMAX // make sure Windows doesn't try to define this
 
-// Windows is missing some basic math functions:
-// But MinGW isn't.
-#if !defined(__MINGW32__) && (!defined(_MSC_VER) || _MSC_VER < 1700) // cstdint and truncf were first implemented in Visual Studio 2012
-#define NEED_TRUNCF
-#define MISSING_STDINT_H
-#endif
-
-// MinGW provides us with this function already
-
-#if !defined(__MINGW32__) && (!defined(_MSC_VER) || _MSC_VER < 1800) // lrintf, roundf and strtof were first implemented in Visual Studio 2013
-#define NEED_ROUNDF
-#define NEED_STRTOF
-inline long int lrintf( float f )
-{
-	int retval;
-
-	_asm fld f;
-	_asm fistp retval;
-
-	return retval;
-}
-#endif
-
-// For RageLog.
-#define HAVE_VERSION_INFO
-
 /* We implement the crash handler interface (though that interface isn't
  * completely uniform across platforms yet). */
 #if !defined(SMPACKAGE)
 #define CRASH_HANDLER
 #endif
 
-// autoconf does this for us
-#if !defined(__MINGW32__)
-#define ENDIAN_LITTLE
-#endif
-
 #if defined(__GNUC__) // It might be MinGW or Cygwin(?)
 #include "archutils/Common/gcc_byte_swaps.h"
 #elif defined(_MSC_VER) && (_MSC_VER >= 1310) // Byte swap functions were first implemented in Visual Studio .NET 2003
diff --git a/src/config.in.hpp b/src/config.in.hpp
new file mode 100644
index 0000000000..be4369c870
--- /dev/null
+++ b/src/config.in.hpp
@@ -0,0 +1,249 @@
+#ifndef CONFIG_HPP_
+#define CONFIG_HPP_
+
+/* Auto-generated config.h file powered by cmake. */
+
+/* Defined to 1 if <alloca.h> is found. */
+#cmakedefine HAVE_ALLOCA_H 1
+
+/* Defined to 1 if <dirent.h> is found. */
+#cmakedefine HAVE_DIRENT_H 1
+
+/* Defined to 1 if <inttypes.h> is found. */
+#cmakedefine HAVE_INTTYPES_H 1
+
+/* Defined to 1 if <stdint.h> is found. */
+#cmakedefine HAVE_STDINT_H 1
+
+/* Defined to 1 if <endian.h> is found. */
+#cmakedefine HAVE_ENDIAN_H 1
+
+/* Defined to 1 if <sys/endian.h> is found. */
+#cmakedefine HAVE_SYS_ENDIAN_H 1
+
+/* Defined to 1 if <machine/endian.h> is found. */
+#cmakedefine HAVE_MACHINE_ENDIAN_H 1
+
+/* Defined to 1 if <sys/param.h> is found. */
+#cmakedefine HAVE_SYS_PARAM_H 1
+
+/* Defined to 1 if <sys/utsname.h> is found. */
+#cmakedefine HAVE_SYS_UTSNAME_H 1
+
+/* Defined to 1 if <fcntl.h> is found. */
+#cmakedefine HAVE_FCNTL_H 1
+
+/* Defined to 1 if <unistd.h> is found. */
+#cmakedefine HAVE_UNISTD_H 1
+
+/* Defined to 1 if the underlying system provides the _mkdir function. */
+#cmakedefine HAVE__MKDIR 1
+
+/* Defined to 1 if the underlying system provides the mkdir function. */
+#cmakedefine HAVE_MKDIR 1
+
+/* Defined to 1 if the underlying system provides the _snprintf function. */
+#cmakedefine HAVE__SNPRINTF 1
+
+/* Defined to 1 if the underlying system provides the snprintf function. */
+#cmakedefine HAVE_SNPRINTF 1
+
+/* Defined to 1 if the underlying system provides the powf function. */
+#cmakedefine HAVE_POWF 1
+
+/* Defined to 1 if the underlying system provides the sqrtf function. */
+#cmakedefine HAVE_SQRTF 1
+
+/* Defined to 1 if the underlying system provides the sinf function. */
+#cmakedefine HAVE_SINF 1
+
+/* Defined to 1 if the underlying system provides the tanf function. */
+#cmakedefine HAVE_TANF 1
+
+/* Defined to 1 if the underlying system provides the cos function. */
+#cmakedefine HAVE_COSF 1
+
+/* Defined to 1 if the underlying system provides the acos function. */
+#cmakedefine HAVE_ACOSF 1
+
+/* Defined to 1 if the underlying system provides the truncf function. */
+#cmakedefine HAVE_TRUNCF 1
+
+/* Defined to 1 if the underlying system provides the roundf function. */
+#cmakedefine HAVE_ROUNDF 1
+
+/* Defined to 1 if the underlying system provides the lrintf function. */
+#cmakedefine HAVE_LRINTF 1
+
+/* Defined to 1 if the underlying system provides the strtof function. */
+#cmakedefine HAVE_STRTOF 1
+
+/* Defined to 1 if the underlying system provides the M_PI constant. */
+#cmakedefine HAVE_M_PI 1
+
+/* Provide a fallback if intptr_t is not defined. */
+#cmakedefine HAVE_SIZEOF_INTPTR_T 1
+#if !defined(HAVE_SIZEOF_INTPTR_T)
+typedef unsigned int intptr_t;
+#endif
+
+/* Provide a fallback if pid_t is not defined. */
+#cmakedefine HAVE_SIZEOF_PID_T 1
+#if !defined(HAVE_SIZEOF_PID_T)
+typedef int pid_t;
+#endif
+
+/* Provide a fallback if size_t is not defined. */
+#cmakedefine HAVE_SIZEOF_SIZE_T 1
+#if !defined(HAVE_SIZEOF_SIZE_T)
+typedef unsigned long size_t;
+#endif
+
+/* Provide a fallback if ssize_t is not defined. */
+#cmakedefine HAVE_SIZEOF_SSIZE_T 1
+#if !defined(HAVE_SIZEOF_SSIZE_T)
+typedef long ssize_t;
+#endif
+
+/* Defined to 1 if the underlying system uses little endian. */
+#cmakedefine ENDIAN_LITTLE 1
+
+/* Defined to 1 if the underlying system uses big endian. */
+#cmakedefine ENDIAN_BIG 1
+
+/* Defined to 1 if version information will be printed out. */
+#cmakedefine HAVE_VERSION_INFO 1
+
+#if defined(__GNUC__)
+/** @brief Define a macro to tell the compiler that a function has printf()
+ * semantics, to aid warning output. */
+#define PRINTF(a,b) __attribute__((format(__printf__,a,b)))
+#define CONST_FUNCTION __attribute__((const))
+#else
+/** @brief A dummy define to keep things going smoothly. */
+#define PRINTF(a,b)
+/** @brief A dummy define to keep things going smoothly. */
+#define CONST_FUNCTION
+#endif
+
+/* Ensure we have a function that acts like a size limited sprintf. */
+#if defined(HAVE__SNPRINTF)
+#define snprintf _snprintf
+#elif !defined(HAVE_SNPRINTF)
+#error "No size limited sprintf function available. Aborting."
+#endif
+
+/* Ensure we have a function that can create a directory on the file system. */
+#if defined(HAVE__MKDIR)
+#include <direct.h>
+#define mkdir(path, mode) _mkdir(path)
+#else
+#if !defined(HAVE_MKDIR)
+#error "No create directory function available. Aborting."
+#else
+#include <sys/types.h>
+#include <sys/stat.h>
+#if defined(__MINGW32__) || defined(__MINGW64__)
+#define mkdir(path, mode) mkdir(path)
+#endif
+#endif
+#endif
+
+/* Ensure we have a function for raising a number by a power to a float. */
+#if !defined(HAVE_POWF)
+inline float powf( float x, float y ) CONST_FUNCTION;
+float powf( float x, float y ) { return float( pow(double(x), double(y)) ); }
+#endif
+
+/* Ensure we have a function for getting the square root of a number to a float. */
+#if !defined(HAVE_SQRTF)
+inline float sqrtf( float x ) CONST_FUNCTION;
+float sqrtf( float x ) { return float( sqrt(double(x)) ); }
+#endif
+
+/* Ensure we have a function for getting the sin of a number to a float. */
+#if !defined(HAVE_SINF)
+inline float sinf( float x ) CONST_FUNCTION;
+float sinf( float x ) { return float( sin(double(x)) ); }
+#endif
+
+/* Ensure we have a function for getting the tan of a number to a float. */
+#if !defined(HAVE_TANF)
+inline float tanf( float x ) CONST_FUNCTION;
+float tanf( float x ) { return float( tan(double(x)) ); }
+#endif
+
+/* Ensure we have a function for getting the cos of a number to a float. */
+#if !defined(HAVE_COSF)
+inline float cosf( float x ) CONST_FUNCTION;
+float cosf( float x ){ return float( cos(double(x)) ); }
+#endif
+
+/* Ensure we have a function for getting the arc cos of a number to a float. */
+#if !defined(HAVE_ACOSF)
+inline float acosf( float x ) CONST_FUNCTION;
+float acosf( float x ) { return float( acos(double(x)) ); }
+#endif
+
+/* Ensure we have a function for truncating a number to a float. */
+#if !defined(HAVE_TRUNCF)
+inline float truncf( float f ) CONST_FUNCTION;
+float truncf( float f ) { return float( int(f) ); }
+#endif
+
+/* Ensure we have a function for rounding a number to a float. */
+#if !defined(HAVE_ROUNDF)
+inline float roundf( float f ) CONST_FUNCTION;
+float roundf( float f ) { if( f < 0.0f ) return truncf( f-0.5f ); return truncf( f+0.5f ); }
+#endif
+
+/* Ensure we have a function for converting a string to a float. */
+#if !defined(HAVE_STRTOF)
+inline float strtof( const char *s, char **se ) { return (float) strtod( s, se ); }
+#endif
+
+#if !defined(HAVE_LRINTF)
+#if defined(_MSC_VER)
+inline long lrintf( float f )
+{
+	int retval;
+
+	_asm fld f;
+	_asm fistp retval;
+
+	return retval;
+}
+#else
+#define lrintf(x) ((int)rint(x))
+#endif
+#endif
+
+#if !defined(HAVE_M_PI)
+/* This is only called if the math header files don't include it: stating it here is fine. */
+#define M_PI 3.1415926535897932384626433832795
+#endif
+
+/* Ensure we have an endianness defined. */
+#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG)
+#error "Neither ENDIAN_LITTLE nor ENDIAN_BIG defined. Aborting."
+#endif
+
+/* Define standard endianness macros, if they're missing. */
+#if defined(HAVE_ENDIAN_H)
+#include <endian.h>
+#elif defined(HAVE_MACHINE_ENDIAN_H)
+#include <machine/endian.h>
+#else
+/** @brief The macro for little endian order. */
+#define LITTLE_ENDIAN 1234
+/** @brief The macro for big endian order. */
+#define BIG_ENDIAN 4321
+#if defined(ENDIAN_LITTLE)
+#define BYTE_ORDER LITTLE_ENDIAN
+#elif defined(ENDIAN_BIG)
+#define BYTE_ORDER BIG_ENDIAN
+#endif
+
+#endif
+
+#endif
diff --git a/src/ezsockets.cpp b/src/ezsockets.cpp
index 18a4d8ee3e..88125b9b26 100644
--- a/src/ezsockets.cpp
+++ b/src/ezsockets.cpp
@@ -15,7 +15,9 @@
 #elif !defined(__MINGW32__)
 #include <sys/types.h>
 #include <sys/socket.h>
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 #include <arpa/inet.h>
 #include <netdb.h>
 #endif
diff --git a/src/ezsockets.h b/src/ezsockets.h
index a679cd4e94..4a7c8b6b9c 100644
--- a/src/ezsockets.h
+++ b/src/ezsockets.h
@@ -16,7 +16,9 @@
 #include <sstream>
 #include <string>
 #include <vector>
+#if defined(HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
 #include <ctype.h>
 
 #if defined(_WINDOWS)
diff --git a/src/global.cpp b/src/global.cpp
index b1791c03e8..080c7abd29 100644
--- a/src/global.cpp
+++ b/src/global.cpp
@@ -1,5 +1,9 @@
 #include "global.h"
 
+#if defined(HAVE_UNISTD_H)
+#include <unistd.h>
+#endif
+
 #if defined(_WINDOWS)
 #  if defined(CRASH_HANDLER)
 #    define _WIN32_WINDOWS 0x0410 // include Win98 stuff
@@ -9,11 +13,8 @@
 #elif defined(MACOSX)
 #  include "archutils/Darwin/Crash.h"
 #  include <stdlib.h>
-#  include <unistd.h>
 using CrashHandler::IsDebuggerPresent;
 using CrashHandler::DebugBreak;
-#else
-#  include <unistd.h>
 #endif
 
 #if defined(CRASH_HANDLER) && (defined(UNIX) || defined(MACOSX))
diff --git a/src/global.h b/src/global.h
index b76ca3912f..67f4156d0b 100644
--- a/src/global.h
+++ b/src/global.h
@@ -1,7 +1,9 @@
 #ifndef GLOBAL_H
 #define GLOBAL_H
 
-#ifdef HAVE_CONFIG_H
+#if defined(CMAKE_POWERED)
+#include "config.hpp"
+#elif defined(HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
@@ -23,30 +25,6 @@
 #include "archutils/Unix/arch_setup.h"
 #endif
 
-/* Set one of these in arch_setup.h.  (Don't bother trying to fall back on BYTE_ORDER
- * if it was already set; too many systems are missing endian.h.) */
-#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG)
-#error Neither ENDIAN_LITTLE nor ENDIAN_BIG defined
-#endif
-
-/* Define standard endianness macros, if they're missing. */
-#if defined(HAVE_ENDIAN_H)
-#include <endian.h>
-#elif defined(HAVE_MACHINE_ENDIAN_H)
-#include <machine/endian.h>
-#else
-/** @brief The macro for little endian order. */
-#define LITTLE_ENDIAN 1234
-/** @brief The macro for big endian order. */
-#define BIG_ENDIAN 4321
-#if defined(ENDIAN_LITTLE)
-#define BYTE_ORDER LITTLE_ENDIAN
-#elif defined(ENDIAN_BIG)
-#define BYTE_ORDER BIG_ENDIAN
-#endif
-
-#endif
-
 /* Make sure everyone has min and max: */
 #include <algorithm>
 
@@ -56,7 +34,7 @@
 /* And vector: */
 #include <vector>
 
-#if !defined(MISSING_STDINT_H) /* need to define int64_t if so */
+#if defined(HAVE_STDINT_H) /* need to define int64_t if so */
 #include <stdint.h>
 #endif
 #if defined(HAVE_INTTYPES_H)
@@ -108,7 +86,7 @@ namespace Checkpoints
 #endif
 
 /**
- * @brief A crash has occured, and we're not getting out of it easily.
+ * @brief A crash has occurred, and we're not getting out of it easily.
  *
  * For most users, this will result in a crashinfo.txt file being generated.
  * For anyone that is using a debug build, a debug break will be thrown to
@@ -165,18 +143,6 @@ template <> struct CompileAssert<true> { };
 template<int> struct CompileAssertDecl { };
 #define COMPILE_ASSERT(COND) typedef CompileAssertDecl< sizeof(CompileAssert<!!(COND)>) > CompileAssertInst
 
-#if defined(__GNUC__)
-/** @brief Define a macro to tell the compiler that a function has printf()
- * semantics, to aid warning output. */
-#define PRINTF(a,b) __attribute__((format(__printf__,a,b)))
-#define CONST_FUNCTION __attribute__((const))
-#else
-/** @brief A dummy define to keep things going smoothly. */
-#define PRINTF(a,b)
-/** @brief A dummy define to keep things going smoothly. */
-#define CONST_FUNCTION
-#endif
-
 #include "StdString.h"
 /** @brief Use RStrings throughout the program. */
 typedef StdString::CStdString RString;
@@ -193,55 +159,6 @@ typedef StdString::CStdString RString;
 /* Define a few functions if necessary */
 #include <cmath>
 
-#ifndef M_PI
-/** @brief Define Pi to many digits. */
-#define M_PI 3.1415926535897932384626433832795
-#endif
-
-#ifdef NEED_POWF
-inline float powf( float x, float y ) CONST_FUNCTION;
-float powf( float x, float y ) { return float( pow(double(x), double(y)) ); }
-#endif
-
-#ifdef NEED_SQRTF
-inline float sqrtf( float x ) CONST_FUNCTION;
-float sqrtf( float x ) { return float( sqrt(double(x)) ); }
-#endif
-
-#ifdef NEED_SINF
-inline float sinf( float x ) CONST_FUNCTION;
-float sinf( float x ) { return float( sin(double(x)) ); }
-#endif
-
-#ifdef NEED_TANF
-inline float tanf( float x ) CONST_FUNCTION;
-float tanf( float x ) { return float( tan(double(x)) ); }
-#endif
-
-#ifdef NEED_COSF
-inline float cosf( float x ) CONST_FUNCTION;
-float cosf( float x ){ return float( cos(double(x)) ); }
-#endif
-
-#ifdef NEED_ACOSF
-inline float acosf( float x ) CONST_FUNCTION;
-float acosf( float x ) { return float( acos(double(x)) ); }
-#endif
-
-#ifdef NEED_TRUNCF
-inline float truncf( float f ) CONST_FUNCTION;
-float truncf( float f ) { return float( int(f) ); }
-#endif
-
-#ifdef NEED_ROUNDF
-inline float roundf( float f ) CONST_FUNCTION;
-float roundf( float f ) { if( f < 0.0f ) return truncf( f-0.5f ); return truncf( f+0.5f ); }
-#endif
-
-#ifdef NEED_STRTOF
-inline float strtof( const char *s, char **se ) { return (float) strtod( s, se ); }
-#endif
-
 /* Don't include our own headers here, since they tend to change often. */
 
 #endif