../../gcc/d/dmd/total.h:21:19: wchar.h: No such file or directory

../../gcc/d/gdc_alloca.h:11:22: alloca.h: No such file or directory

../../gcc/d/dmd/html.c:25:19: wchar.h: No such file or directory

../../gcc/d/dmd/lexer.c:23:19: wchar.h: No such file or directory

=>

commented the unnecessary #includes out


../../gcc/d/dmd/root.c: In function `char* wchar2ascii(wchar_t*)':
../../gcc/d/dmd/root.c:57: error: `wcslen' undeclared (first use this function)
../../gcc/d/dmd/root.c:57: error: (Each undeclared identifier is reported only once for each function it appears in.)

=>

#ifdef __APPLE__
static size_t wcslen(const wchar_t *str)
{
    size_t len = 0;
    while (*str++)
        len++;
    return len;
}
#endif


../../../libphobos/config/gen_unix.c: In function `c_socket':
../../../libphobos/config/gen_unix.c:364: error: `socklen_t' undeclared (first use in this function)
../../../libphobos/config/gen_unix.c:364: error: (Each undeclared identifier is reported only once
../../../libphobos/config/gen_unix.c:364: error: for each function it appears in.)

=>

#ifndef socklen_t
typedef int     socklen_t;
#endif


ld: Undefined symbols:
_strtold
_acosl
_asinl
_atan2l
_atanl
_cbrtl
_ceill
_coshl
_erfcl
_erfl
_exp2l
_expl
_expm1l
_fabsl
_floorl
_frexpl
_ilogbl
_ldexpl
_lgammal
_log10l
_log1pl
_log2l
_logbl
_logl
_modfl
_nanl
_nearbyintl
_powl
_remainderl
_roundl
_sinhl
_sqrtl
_tanhl
_tgammal
_truncl

=>

???