Trying tcc with OpenLisp, I get:
Making amalgamation from temporary amalgamation.c
amalgamation.c:14157: warning: implicit declaration of function '__builtin_nanf'
amalgamation.c:44658: warning: implicit declaration of function
'__builtin_huge_val'
amalgamation.c:73738: warning: implicit declaration of function
'__builtin_bzero'
tcc: error: undefined symbol '___builtin_bzero'
tcc: error: undefined symbol '___builtin_huge_val'
tcc: error: undefined symbol '___builtin_nanf'
For example, NAN is defined in math.h as
#if defined(__GNUC__)
# define HUGE_VAL __builtin_huge_val()
# define HUGE_VALF __builtin_huge_valf()
# define HUGE_VALL __builtin_huge_vall()
# define NAN __builtin_nanf("0x7fc00000")
#else
# define HUGE_VAL 1e500
# define HUGE_VALF 1e50f
# define HUGE_VALL 1e5000L
# define NAN __nan()
#endif
From my ./configure I find that I need to link with : -Wl,-no_pie with is not
supported. I can fix this one in configure.ac when I detect that tcc is used
but it may be silently dropped by tcc.
More to come...
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