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config.h.new.in
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/* template for config.h, system dependant things discovered by the configure script */
#define CONFIG_H_VERSION 0x0100
/* the configure script finds the size of various types and whether the
system is big or little endian */
#define SIZEOF_CHAR %(SIZEOF_CHAR)d
#define SIZEOF_SHORT %(SIZEOF_SHORT)d
#define SIZEOF_INT %(SIZEOF_INT)d
#define SIZEOF_LONG %(SIZEOF_LONG)d
#define SIZEOF_LONG_LONG %(SIZEOF_LONG_LONG)d
#define SIZEOF_FLOAT %(SIZEOF_FLOAT)d
#define SIZEOF_DOUBLE %(SIZEOF_DOUBLE)d
#define SIZEOF_VOIDP %(SIZEOF_VOIDP)d
#if %(WORDS_BIGENDIAN)d
#define WORDS_BIGENDIAN 1
#endif
#define HAVE_GCC_LABELS %(HAVE_GCC_LABELS)d
#define HAVE_LIBPTHREAD %(HAVE_LIBPTHREAD)d
/* first of all get constants for Int8, Int16, Int32, etc ... */
#if SIZEOF_CHAR == 1
# define INT8_TYPE char
#else
# error "can't find type matching int8"
#endif
#if SIZEOF_SHORT == 2
# define INT16_TYPE short
#else
# error "can't find type matching int16"
#endif
#if SIZEOF_LONG == 4
# define INT32_TYPE long
#elif SIZEOF_INT == 4
# define INT32_TYPE int
#else
# error "can't find type matching int32"
#endif
#if SIZEOF_LONG == 8
# define INT64_TYPE long
#elif SIZEOF_INT == 8
# define INT64_TYPE int
#elif SIZEOF_LONG_LONG == 8
# define INT64_TYPE long long
#else
# warning "can't find type matching int64"
# define INT64_TYPE INT32_TYPE
#endif
#if SIZEOF_FLOAT == 4
# define FLOAT32_TYPE float
#else
# error "can't find 32 bit floating point"
#endif
#if SIZEOF_DOUBLE == 8
# define FLOAT64_TYPE double
#else
# warning "can't find 64 bit floating point"
# define FLOAT64_TYPE FLOAT32_TYPE
#endif
/* now find the correct type information for words */
#if SIZEOF_VOIDP == 2
/* decided trying to support 16 bits is too much, who'd want it anyway? */
# error "YHC requires an architecture with at least 32 bit pointers"
#elif SIZEOF_VOIDP == 4
# define WORD_TYPE INT32_TYPE
# define HALF_TYPE INT16_TYPE
# define QUARTER_TYPE INT8_TYPE
# define WORD_BYTES_SHIFT 2
# define WORD_BITS_SHIFT 5
#elif SIZEOF_VOIDP == 8
# define WORD_TYPE INT64_TYPE
# define HALF_TYPE INT32_TYPE
# define QUARTER_TYPE INT16_TYPE
# define WORD_BYTES_SHIFT 3
# define WORD_BITS_SHIFT 6
#else
# error "Word size is not 2, 4 or 8 bytes!"
#endif
/* do we have gcc labelled goto extension? */
#define USE_GCC_LABELS HAVE_GCC_LABELS
#if HAVE_LIBPTHREAD
# define USE_PTHREADS 1
#else
# define USE_PTHREADS 0
#endif
#if %(WIN32)d
#define WIN32
#else
/* this is unix */
#define UNIX
#endif