diff options
Diffstat (limited to 'include/my_global.h')
| -rw-r--r-- | include/my_global.h | 57 |
1 files changed, 45 insertions, 12 deletions
diff --git a/include/my_global.h b/include/my_global.h index f8ba555b150..04d33be38b4 100644 --- a/include/my_global.h +++ b/include/my_global.h @@ -126,6 +126,38 @@ #define __STDC_EXT__ 1 /* To get large file support on hpux */ #endif +/* + Solaris 9 include file <sys/feature_tests.h> refers to X/Open document + + System Interfaces and Headers, Issue 5 + + saying we should define _XOPEN_SOURCE=500 to get POSIX.1c prototypes, + but apparently other systems (namely FreeBSD) don't agree. + + On a newer Solaris 10, the above file recognizes also _XOPEN_SOURCE=600. + Furthermore, it tests that if a program requires older standard + (_XOPEN_SOURCE<600 or _POSIX_C_SOURCE<200112L) it cannot be + run on a new compiler (that defines _STDC_C99) and issues an #error. + It's also an #error if a program requires new standard (_XOPEN_SOURCE=600 + or _POSIX_C_SOURCE=200112L) and a compiler does not define _STDC_C99. + + To add more to this mess, Sun Studio C compiler defines _STDC_C99 while + C++ compiler does not! + + So, in a desperate attempt to get correct prototypes for both + C and C++ code, we define either _XOPEN_SOURCE=600 or _XOPEN_SOURCE=500 + depending on the compiler's announced C standard support. + + Cleaner solutions are welcome. +*/ +#ifdef __sun +#if __STDC_VERSION__ - 0 >= 199901L +#define _XOPEN_SOURCE 600 +#else +#define _XOPEN_SOURCE 500 +#endif +#endif + #if defined(THREAD) && !defined(__WIN__) && !defined(OS2) #ifndef _POSIX_PTHREAD_SEMANTICS #define _POSIX_PTHREAD_SEMANTICS /* We want posix threads */ @@ -203,17 +235,6 @@ C_MODE_END #define __LONG_MAX__ 2147483647 #endif -/* Fix problem when linking c++ programs with gcc 3.x */ -#ifdef DEFINE_CXA_PURE_VIRTUAL -#define FIX_GCC_LINKING_PROBLEM \ -C_MODE_START int __cxa_pure_virtual() {\ - DBUG_ASSERT("Pure virtual method called." == "Aborted");\ - return 0;\ -} C_MODE_END -#else -#define FIX_GCC_LINKING_PROBLEM -#endif - /* egcs 1.1.2 has a problem with memcpy on Alpha */ #if defined(__GNUC__) && defined(__alpha__) && ! (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)) #define BAD_MEMCPY @@ -665,6 +686,7 @@ typedef SOCKET_SIZE_TYPE size_socket; #define UINT_MAX16 0xFFFF #define INT_MIN8 (~0x7F) #define INT_MAX8 0x7F +#define UINT_MAX8 0xFF /* From limits.h instead */ #ifndef DBL_MIN @@ -680,6 +702,17 @@ typedef SOCKET_SIZE_TYPE size_socket; #define isinf(X) 0 #endif +/* Define missing math constants. */ +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif +#ifndef M_E +#define M_E 2.7182818284590452354 +#endif +#ifndef M_LN2 +#define M_LN2 0.69314718055994530942 +#endif + /* Max size that must be added to a so that we know Size to make adressable obj. @@ -743,7 +776,7 @@ typedef long int32; #endif typedef unsigned long uint32; /* Short for unsigned integer >= 32 bits */ #else -error "Neither int or long is of 4 bytes width" +#error "Neither int or long is of 4 bytes width" #endif #if !defined(HAVE_ULONG) && !defined(TARGET_OS_LINUX) && !defined(__USE_MISC) |