more exported symbols needed for build on windows
[p5sagit/p5-mst-13.2.git] / win32 / win32.h
index 24ba7c6..69a4caf 100644 (file)
@@ -123,15 +123,18 @@ struct utsname {
 #define PERL_SOCK_SYSREAD_IS_RECV
 #define PERL_SOCK_SYSWRITE_IS_SEND
 
+#define PERL_NO_FORCE_LINK             /* no need for PL_force_link_funcs */
 
 /* if USE_WIN32_RTL_ENV is not defined, Perl uses direct Win32 calls
  * to read the environment, bypassing the runtime's (usually broken)
  * facilities for accessing the same.  See note in util.c/my_setenv(). */
 /*#define USE_WIN32_RTL_ENV */
 
-/* Define USE_FIXED_OSFHANDLE to fix VC's _open_osfhandle() on W95.
- * Can only enable it if not using the DLL CRT (it doesn't expose internals) */
-#if defined(_MSC_VER) && !defined(_DLL) && defined(_M_IX86)
+/* Define USE_FIXED_OSFHANDLE to fix MSVCRT's _open_osfhandle() on W95.
+   It now uses some black magic to work seamlessly with the DLL CRT and
+   works with MSVC++ 4.0+ or GCC/Mingw32
+       -- BKS 1-24-2000 */
+#if (defined(_M_IX86) && _MSC_VER >= 1000) || defined(__MINGW32__)
 #define USE_FIXED_OSFHANDLE
 #endif
 
@@ -182,6 +185,9 @@ struct utsname {
 #  define MEMBER_TO_FPTR(name) &(name)
 #endif
 
+/* Borland C thinks that a pointer to a member variable is 12 bytes in size. */
+#define PERL_MEMBER_PTR_SIZE   12
+
 #endif
 
 #ifdef _MSC_VER                        /* Microsoft Visual C++ */
@@ -191,45 +197,8 @@ typedef long               gid_t;
 typedef unsigned short mode_t;
 #pragma  warning(disable: 4018 4035 4101 4102 4244 4245 4761)
 
-#ifndef PERL_OBJECT
-
 /* Visual C thinks that a pointer to a member variable is 16 bytes in size. */
-#define STRUCT_MGVTBL_DEFINITION                                       \
-struct mgvtbl {                                                                \
-    union {                                                            \
-       int         (CPERLscope(*svt_get))(pTHX_ SV *sv, MAGIC* mg);    \
-       char        handle_VC_problem1[16];                             \
-    };                                                                 \
-    union {                                                            \
-       int         (CPERLscope(*svt_set))(pTHX_ SV *sv, MAGIC* mg);    \
-       char        handle_VC_problem2[16];                             \
-    };                                                                 \
-    union {                                                            \
-       U32         (CPERLscope(*svt_len))(pTHX_ SV *sv, MAGIC* mg);    \
-       char        handle_VC_problem3[16];                             \
-    };                                                                 \
-    union {                                                            \
-       int         (CPERLscope(*svt_clear))(pTHX_ SV *sv, MAGIC* mg);  \
-       char        handle_VC_problem4[16];                             \
-    };                                                                 \
-    union {                                                            \
-       int         (CPERLscope(*svt_free))(pTHX_ SV *sv, MAGIC* mg);   \
-       char        handle_VC_problem5[16];                             \
-    };                                                                 \
-}
-
-#define BASEOP_DEFINITION              \
-    OP*                op_next;                \
-    OP*                op_sibling;             \
-    OP*                (CPERLscope(*op_ppaddr))(pTHX);         \
-    char       handle_VC_problem[12];  \
-    PADOFFSET  op_targ;                \
-    OPCODE     op_type;                \
-    U16                op_seq;                 \
-    U8         op_flags;               \
-    U8         op_private;
-
-#endif /* PERL_OBJECT */
+#define PERL_MEMBER_PTR_SIZE   16
 
 #endif /* _MSC_VER */
 
@@ -263,6 +232,45 @@ typedef long               gid_t;
 /* compatibility stuff for other compilers goes here */
 
 
+#if !defined(PERL_OBJECT) && defined(PERL_CAPI) && defined(PERL_MEMBER_PTR_SIZE)
+#  define STRUCT_MGVTBL_DEFINITION \
+struct mgvtbl {                                                                \
+    union {                                                            \
+       int         (CPERLscope(*svt_get))(pTHX_ SV *sv, MAGIC* mg);    \
+       char        handle_VC_problem1[PERL_MEMBER_PTR_SIZE];           \
+    };                                                                 \
+    union {                                                            \
+       int         (CPERLscope(*svt_set))(pTHX_ SV *sv, MAGIC* mg);    \
+       char        handle_VC_problem2[PERL_MEMBER_PTR_SIZE];           \
+    };                                                                 \
+    union {                                                            \
+       U32         (CPERLscope(*svt_len))(pTHX_ SV *sv, MAGIC* mg);    \
+       char        handle_VC_problem3[PERL_MEMBER_PTR_SIZE];           \
+    };                                                                 \
+    union {                                                            \
+       int         (CPERLscope(*svt_clear))(pTHX_ SV *sv, MAGIC* mg);  \
+       char        handle_VC_problem4[PERL_MEMBER_PTR_SIZE];           \
+    };                                                                 \
+    union {                                                            \
+       int         (CPERLscope(*svt_free))(pTHX_ SV *sv, MAGIC* mg);   \
+       char        handle_VC_problem5[PERL_MEMBER_PTR_SIZE];           \
+    };                                                                 \
+}
+
+#  define BASEOP_DEFINITION \
+    OP*                op_next;                                                \
+    OP*                op_sibling;                                             \
+    OP*                (CPERLscope(*op_ppaddr))(pTHX);                         \
+    char       handle_VC_problem[PERL_MEMBER_PTR_SIZE-sizeof(OP*)];    \
+    PADOFFSET  op_targ;                                                \
+    OPCODE     op_type;                                                \
+    U16                op_seq;                                                 \
+    U8         op_flags;                                               \
+    U8         op_private;
+
+#endif /* !PERL_OBJECT && PERL_CAPI && PERL_MEMBER_PTR_SIZE */
+
+
 START_EXTERN_C
 
 /* For UNIX compatibility. */
@@ -325,7 +333,7 @@ typedef  char *             caddr_t;        /* In malloc.c (core address). */
 #define PERL_CORE
 #endif
 
-#ifdef USE_TEXTMODE_SCRIPTS
+#ifdef PERL_TEXTMODE_SCRIPTS
 #  define PERL_SCRIPT_MODE             "r"
 #else
 #  define PERL_SCRIPT_MODE             "rb"