Merge pull request #780 from wolfman2000/wolf-vs2015-snprintf-compile

Allow VS2015 to compile StepMania.

StepmaniaCore.cmake

@@ -84,16 +84,21 @@ 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(fcntl HAVE_FCNTL)
-  check_function_exists(fork HAVE_FORK)
-  check_function_exists(mkdir HAVE_MKDIR)
-  check_function_exists(snprintf HAVE_SNPRINTF)
-  check_function_exists(waitpid HAVE_WAITPID)
-endif()
+# Mostly Windows functions.
+check_function_exists(_mkdir HAVE__MKDIR)
+check_cxx_symbol_exists(_snprintf cstdio HAVE__SNPRINTF)
+#check_function_exists(_snprintf HAVE__SNPRINTF)
+
+# Mostly non-Windows functions.
+check_function_exists(fcntl HAVE_FCNTL)
+check_function_exists(fork HAVE_FORK)
+check_function_exists(mkdir HAVE_MKDIR)
+#check_function_exists(snprintf HAVE_SNPRINTF)
+check_cxx_symbol_exists(snprintf cstdio HAVE_SNPRINTF)
+check_function_exists(waitpid HAVE_WAITPID)
+
+
+# Mostly universal symbols.
 check_cxx_symbol_exists(powf cmath HAVE_POWF)
 check_cxx_symbol_exists(sqrtf cmath HAVE_SQRTF)
 check_cxx_symbol_exists(sinf cmath HAVE_SINF)

src/archutils/Win32/arch_setup.h

@@ -62,10 +62,6 @@ C4355: 'this' : used in base member initializer list
 // Disable false deprecation warnings in VC2008.
 #define _CRT_NONSTDC_NO_WARNINGS
 
-#if defined(_MSC_VER) && _MSC_VER >= 1400 // this is needed in VC8 but breaks VC7
-#define _HAS_EXCEPTIONS 0
-#endif
-
 // Don't include windows.h everywhere; when we do eventually include it, use these:
 #define WIN32_LEAN_AND_MEAN
 #define VC_EXTRALEAN

src/config.in.hpp

@@ -136,9 +136,10 @@ typedef long ssize_t;
 #endif
 
 /* Ensure we have a function that acts like a size limited sprintf. */
-#if defined(HAVE__SNPRINTF)
+#if defined(HAVE_SNPRINTF)
+#elif defined(HAVE__SNPRINTF)
 #define snprintf _snprintf
-#elif !defined(HAVE_SNPRINTF)
+#else
 #error "No size limited sprintf function available. Aborting."
 #endif