Fix compilation with MSVC2015

vitallium · May 19, 2016 · 4cd12f3 · 4cd12f3
1 parent 38e51b2
commit 4cd12f3
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Showing 2 changed files with 14 additions and 3 deletions.
diff --git a/Source/WTF/wtf/Compiler.h b/Source/WTF/wtf/Compiler.h
@@ -20,7 +20,7 @@
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WTF_Compiler_h
@@ -70,10 +70,13 @@
 
 /* COMPILER(MSVC) - Microsoft Visual C++ */
 /* COMPILER(MSVC9_OR_LOWER) - Microsoft Visual C++ 2008 or lower*/
+/* COMPILER(MSVC12_OR_LOWER) - Microsoft Visual C++ 2013 or lower */
 #if defined(_MSC_VER)
 #define WTF_COMPILER_MSVC 1
 #if _MSC_VER < 1600
 #define WTF_COMPILER_MSVC9_OR_LOWER 1
+#elif _MSC_VER < 1800
+#define WTF_COMPILER_MSVC12_OR_LOWER 1
 #endif
 
 /* Specific compiler features */

diff --git a/Source/WTF/wtf/MathExtras.h b/Source/WTF/wtf/MathExtras.h
@@ -20,7 +20,7 @@
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WTF_MathExtras_h
@@ -140,20 +140,25 @@ static float roundf(float num)
     return integer - num >= 0.5f ? integer - 1.0f : integer;
 }
 #endif
+
+#if COMPILER(MSVC12_OR_LOWER)
+
 inline long long llround(double num) { return static_cast<long long>(round(num)); }
 inline long long llroundf(float num) { return static_cast<long long>(roundf(num)); }
 inline long lround(double num) { return static_cast<long>(round(num)); }
 inline long lroundf(float num) { return static_cast<long>(roundf(num)); }
 inline double trunc(double num) { return num > 0 ? floor(num) : ceil(num); }
 
+#endif // COMPILER(MSVC12_OR_LOWER)
+
 #endif
 
 #if COMPILER(GCC) && OS(QNX) && _CPPLIB_VER < 640
 // The stdlib on QNX < 6.6 doesn't contain long abs(long). See PR #104666.
 inline long long abs(long num) { return labs(num); }
 #endif
 
-#if OS(ANDROID) || COMPILER(MSVC)
+#if OS(ANDROID) || COMPILER(MSVC12_OR_LOWER)
 // ANDROID and MSVC's math.h does not currently supply log2 or log2f.
 inline double log2(double num)
 {
@@ -174,6 +179,7 @@ inline float log2f(float num)
 inline long long abs(long long num) { return _abs64(num); }
 #endif
 
+#if COMPILER(MSVC12_OR_LOWER)
 namespace std {
 
 inline bool isinf(double num) { return !_finite(num) && !_isnan(num); }
@@ -245,6 +251,8 @@ inline long int lrint(double flt)
     return static_cast<long int>(intgr);
 }
 
+#endif // COMPILER(MSVC12_OR_LOWER)
+
 #endif // COMPILER(MSVC)
 
 inline double deg2rad(double d)  { return d * piDouble / 180.0; }