1 files changed, 35 insertions, 1 deletions

diff --git a/include/platform.h b/include/platform.h
index 2b57cd5a2..eb9f8032b 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -7,6 +7,16 @@
 #ifndef BB_PLATFORM_H
 #define BB_PLATFORM_H 1
 
+#if ENABLE_PLATFORM_MINGW32
+# if !defined(__MINGW32__) /* HOSTCC is called */
+#  undef ENABLE_PLATFORM_MINGW32
+# endif
+#else
+# if defined(__MINGW32__)
+#  error "You must select target platform MS Windows, or it won't build"
+# endif
+#endif
+
 /* Assume all these functions exist by default.  Platforms where it is not
  * true will #undef them below.
  */
@@ -145,7 +155,7 @@
 
 /* Make all declarations hidden (-fvisibility flag only affects definitions) */
 /* (don't include system headers after this until corresponding pop!) */
-#if __GNUC_PREREQ(4,1)
+#if __GNUC_PREREQ(4,1) && !ENABLE_PLATFORM_MINGW32
 # define PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN _Pragma("GCC visibility push(hidden)")
 # define POP_SAVED_FUNCTION_VISIBILITY              _Pragma("GCC visibility pop")
 #else
@@ -165,6 +175,14 @@
 # define bswap_64 __bswap64
 # define bswap_32 __bswap32
 # define bswap_16 __bswap16
+# define __BIG_ENDIAN__ (_BYTE_ORDER == _BIG_ENDIAN)
+#elif ENABLE_PLATFORM_MINGW32
+# define __BIG_ENDIAN 0
+# define __LITTLE_ENDIAN 1
+# define __BYTE_ORDER __LITTLE_ENDIAN
+# define bswap_16(x) ((((x) & 0xFF00) >> 8) | (((x) & 0xFF) << 8))
+# define bswap_32(x) ((bswap_16(((x) & 0xFFFF0000L) >> 16)) | (bswap_16((x) & 0xFFFFL) << 16))
+# define bswap_64(x) ((bswap_32(((x) & 0xFFFFFFFF00000000LL) >> 32)) | (bswap_32((x) & 0xFFFFFFFFLL) << 32))
 #else
 # include <byteswap.h>
 # include <endian.h>
@@ -367,6 +385,20 @@ typedef unsigned smalluint;
 # undef HAVE_STRCHRNUL
 #endif
 
+#if ENABLE_PLATFORM_MINGW32
+# undef HAVE_DPRINTF
+# undef HAVE_MEMRCHR
+# undef HAVE_MKDTEMP
+# undef HAVE_SETBIT
+# undef HAVE_STPCPY
+# undef HAVE_STRCASESTR
+# undef HAVE_STRCHRNUL
+# undef HAVE_STRSIGNAL
+# undef HAVE_VASPRINTF
+# undef HAVE_MNTENT_H
+# undef HAVE_SYS_STATFS_H
+#endif
+
 #if defined(__WATCOMC__)
 # undef HAVE_DPRINTF
 # undef HAVE_MEMRCHR
@@ -394,6 +426,7 @@ extern int dprintf(int fd, const char *format, ...);
 #endif
 
 #ifndef HAVE_MEMRCHR
+#include <stddef.h>
 extern void *memrchr(const void *s, int c, size_t n) FAST_FUNC;
 #endif
 
@@ -432,6 +465,7 @@ extern char *strsep(char **stringp, const char *delim) FAST_FUNC;
 #endif
 
 #ifndef HAVE_VASPRINTF
+# include <stdarg.h>
 extern int vasprintf(char **string_ptr, const char *format, va_list p) FAST_FUNC;
 #endif