1 files changed, 29 insertions, 7 deletions
diff --git a/include/fitz/sysdep.h b/include/fitz/sysdep.h
index f3125601..7f7ddbca 100644
--- a/include/fitz/sysdep.h
+++ b/include/fitz/sysdep.h
@@ -11,28 +11,50 @@
 #include <float.h>	/* DBL_EPSILON */
 #include <math.h>
 
+#include <errno.h>
+#include <fcntl.h>	/* O_RDONLY & co */
+
 #ifdef WIN32
+
 #define NEED_STRLCPY
 #define NEED_STRSEP
 #define NEED_GETOPT
+
+#define M_E 2.71828182845904523536
+#define M_LOG2E 1.44269504088896340736
+#define M_LOG10E 0.434294481903251827651
+#define M_LN2 0.693147180559945309417
+#define M_LN10 2.30258509299404568402
 #define M_PI 3.14159265358979323846
+#define M_PI_2 1.57079632679489661923
+#define M_PI_4 0.785398163397448309616
+#define M_1_PI 0.318309886183790671538
+#define M_2_PI 0.636619772367581343076
+#define M_1_SQRTPI 0.564189583547756286948
+#define M_2_SQRTPI 1.12837916709551257390
+#define M_SQRT2 1.41421356237309504880
+#define M_SQRT_2 0.707106781186547524401
+
+#define va_copy(a,b) (a) = (b)
 #define inline __inline
 #define vsnprintf _vsnprintf
-#endif
 
-#include <errno.h>
-#ifndef WIN32
+#include <io.h>
+
+#else
+
+#define O_BINARY 0
 #include <unistd.h>
-#endif
-#include <fcntl.h>	/* O_RDONLY & co */
 
-/* not supposed to be here, but printf debugging sorta needs it */
-#include <stdio.h>
+#endif
 
 /*
  * Extras! Extras! Get them while they're hot!
  */
 
+/* not supposed to be here, but printf debugging sorta needs it */
+#include <stdio.h>
+
 #ifdef NEED_STRLCPY
 extern int strlcpy(char *dst, const char *src, int n);
 extern int strlcat(char *dst, const char *src, int n);