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#define __GNUC__ = 2.1 

__GNUC__ nowadays as macro seems to mean the "GNU C dialect"
rather than the compiler itself.  See also

  http://gcc.gnu.org/ml/gcc/2008-07/msg00026.html

This patch will probably cause problems of various kinds but
maybe we should try nonetheless.
master
grischka 2016-10-15 16:01:16 +02:00
parent 4d247c00a3
commit f3c1ea6c2d
3 changed files with 27 additions and 6 deletions
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25
libtcc.c
View File

@ -885,15 +885,28 @@ LIBTCCAPI TCCState *tcc_new(void)
/* wint_t is unsigned int by default, but (signed) int on BSDs
and unsigned short on windows. Other OSes might have still
other conventions, sigh. */
#if defined(__FreeBSD__) || defined (__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__)
# if defined(__FreeBSD__) || defined (__FreeBSD_kernel__)
|| defined(__NetBSD__) || defined(__OpenBSD__)
tcc_define_symbol(s, "__WINT_TYPE__", "int");
#else
# else
tcc_define_symbol(s, "__WINT_TYPE__", "unsigned int");
#endif
# endif
# if 0
/* glibc defines */
tcc_define_symbol(s, "__REDIRECT(name, proto, alias)", "name proto __asm__ (#alias)");
tcc_define_symbol(s, "__REDIRECT_NTH(name, proto, alias)", "name proto __asm__ (#alias) __THROW");
#endif
tcc_define_symbol(s, "__REDIRECT(name, proto, alias)",
"name proto __asm__ (#alias)");
tcc_define_symbol(s, "__REDIRECT_NTH(name, proto, alias)",
"name proto __asm__ (#alias) __THROW");
# endif
# if 1
/* define __GNUC__ to have some useful stuff from sys/cdefs.h */
tcc_define_symbol(s, "__GNUC__", "2");
tcc_define_symbol(s, "__GNUC_MINOR__", "1");
tcc_define_symbol(s, "__builtin_alloca", "alloca");
tcc_define_symbol(s, "__builtin_memcpy", "memcpy");
tcc_define_symbol(s, "__USER_LABEL_PREFIX__", "");
# endif
#endif /* ndef TCC_TARGET_PE */
return s;
}

4
tccgen.c
View File

@ -3104,10 +3104,14 @@ static void parse_attribute(AttributeDef *ad)
case TOK_MODE_DI:
ad->a.mode = VT_LLONG + 1;
break;
case TOK_MODE_QI:
ad->a.mode = VT_BYTE + 1;
break;
case TOK_MODE_HI:
ad->a.mode = VT_SHORT + 1;
break;
case TOK_MODE_SI:
case TOK_MODE_word:
ad->a.mode = VT_INT + 1;
break;
default:

4
tcctok.h
View File

@ -117,10 +117,14 @@
DEF(TOK_FASTCALL1, "fastcall")
DEF(TOK_FASTCALL2, "__fastcall")
DEF(TOK_FASTCALL3, "__fastcall__")
DEF(TOK_MODE, "__mode__")
DEF(TOK_MODE_QI, "__QI__")
DEF(TOK_MODE_DI, "__DI__")
DEF(TOK_MODE_HI, "__HI__")
DEF(TOK_MODE_SI, "__SI__")
DEF(TOK_MODE_word, "__word__")
DEF(TOK_DLLEXPORT, "dllexport")
DEF(TOK_DLLIMPORT, "dllimport")
DEF(TOK_NORETURN1, "noreturn")