configure

C语言版本的矩阵库

else
  cat > conftest.$ac_ext <<EOF
#line 1246 "configure"
#include "confdefs.h"
#include <malloc.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1251: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  cat >> confdefs.h <<\EOF
#define HAVE_MALLOC_H 1
EOF

else
  echo "$ac_t""no" 1>&6
fi

ac_safe=`echo "varargs.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for varargs.h""... $ac_c" 1>&6
echo "configure:1277: checking for varargs.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1282 "configure"
#include "confdefs.h"
#include <varargs.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1287: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  cat >> confdefs.h <<\EOF
#define VARARGS 1
EOF

else
  echo "$ac_t""no" 1>&6
fi

cat >> confdefs.h <<\EOF
#define NOT_SEGMENTED 1
EOF

echo $ac_n "checking for size_t""... $ac_c" 1>&6
echo "configure:1316: checking for size_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1321 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "(^|[^a-zA-Z_0-9])size_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_size_t=yes
else
  rm -rf conftest*
  ac_cv_type_size_t=no
fi
rm -f conftest*

fi
echo "$ac_t""$ac_cv_type_size_t" 1>&6
if test $ac_cv_type_size_t = no; then
  cat >> confdefs.h <<\EOF
#define size_t unsigned
EOF

fi

echo $ac_n "checking for working const""... $ac_c" 1>&6
echo "configure:1349: checking for working const" >&5
if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1354 "configure"
#include "confdefs.h"

int main() {

/* Ultrix mips cc rejects this.  */
typedef int charset[2]; const charset x;
/* SunOS 4.1.1 cc rejects this.  */
char const *const *ccp;
char **p;
/* NEC SVR4.0.2 mips cc rejects this.  */
struct point {int x, y;};
static struct point const zero = {0,0};
/* AIX XL C 1.02.0.0 rejects this.
   It does not let you subtract one const X* pointer from another in an arm
   of an if-expression whose if-part is not a constant expression */
const char *g = "string";
ccp = &g + (g ? g-g : 0);
/* HPUX 7.0 cc rejects these. */
++ccp;
p = (char**) ccp;
ccp = (char const *const *) p;
{ /* SCO 3.2v4 cc rejects this.  */
  char *t;
  char const *s = 0 ? (char *) 0 : (char const *) 0;

  *t++ = 0;
}
{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
  int x[] = {25, 17};
  const int *foo = &x[0];
  ++foo;
}
{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
  typedef const int *iptr;
  iptr p = 0;
  ++p;
}
{ /* AIX XL C 1.02.0.0 rejects this saying
     "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
  struct s { int j; const int *ap[3]; };
  struct s *b; b->j = 5;
}
{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
  const int foo = 10;
}

; return 0; }
EOF
if { (eval echo configure:1403: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_c_const=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_c_const=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_c_const" 1>&6
if test $ac_cv_c_const = no; then
  cat >> confdefs.h <<\EOF
#define const 
EOF

fi

echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
echo "configure:1424: checking whether byte ordering is bigendian" >&5
if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_cv_c_bigendian=unknown
# See if sys/param.h defines the BYTE_ORDER macro.
cat > conftest.$ac_ext <<EOF
#line 1431 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/param.h>
int main() {

#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
 bogus endian macros
#endif
; return 0; }
EOF
if { (eval echo configure:1442: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  # It does; now see whether it defined to BIG_ENDIAN or not.
cat > conftest.$ac_ext <<EOF
#line 1446 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/param.h>
int main() {

#if BYTE_ORDER != BIG_ENDIAN
 not big endian
#endif
; return 0; }
EOF
if { (eval echo configure:1457: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_c_bigendian=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_c_bigendian=no
fi
rm -f conftest*
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
fi
rm -f conftest*
if test $ac_cv_c_bigendian = unknown; then
if test "$cross_compiling" = yes; then
    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
  cat > conftest.$ac_ext <<EOF
#line 1477 "configure"
#include "confdefs.h"
main () {
  /* Are we little or big endian?  From Harbison&Steele.  */
  union
  {
    long l;
    char c[sizeof (long)];
  } u;
  u.l = 1;
  exit (u.c[sizeof (long) - 1] == 1);
}
EOF
if { (eval echo configure:1490: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_c_bigendian=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_c_bigendian=yes
fi
rm -fr conftest*
fi

fi
fi

echo "$ac_t""$ac_cv_c_bigendian" 1>&6
if test $ac_cv_c_bigendian = yes; then
  cat >> confdefs.h <<\EOF
#define WORDS_BIGENDIAN 1
EOF

fi

# Check whether --with-complex or --without-complex was given.
if test "${with_complex+set}" = set; then
  withval="$with_complex"
  :
fi

# Check whether --with-sparse or --without-sparse was given.
if test "${with_sparse+set}" = set; then
  withval="$with_sparse"
  :
fi

# Check whether --with-all or --without-all was given.
if test "${with_all+set}" = set; then
  withval="$with_all"
  :
fi

# Check whether --with-all or --without-all was given.
if test "${with_all+set}" = set; then
  withval="$with_all"
  :
fi

# Check whether --with-unroll or --without-unroll was given.
if test "${with_unroll+set}" = set; then
  withval="$with_unroll"
  :
fi

# Check whether --with-munroll or --without-munroll was given.
if test "${with_munroll+set}" = set; then
  withval="$with_munroll"
  :
fi

# Check whether --with-segmem or --without-segmem was given.
if test "${with_segmem+set}" = set; then
  withval="$with_segmem"
  :
fi

# Check whether --with-float or --without-float was given.
if test "${with_float+set}" = set; then
  withval="$with_float"
  :
fi

# Check whether --with-double or --without-double was given.
if test "${with_double+set}" = set; then
  withval="$with_double"
  :
fi

LIBS="$LIBS -lm"
cat > conftest.$ac_ext <<EOF
#line 1569 "configure"
#include "confdefs.h"
u_int
int main() {
#include <stdio.h>
#ifdef __STDC__
#include <stdlib.h>
#endif
; return 0; }
EOF
if { (eval echo configure:1579: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  u_int i; i = 1;
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define U_INT_DEF 1
EOF

fi
rm -f conftest*
echo 'computing machine epsilon(s)'
echo $CC -o macheps dmacheps.c
$CC -o macheps dmacheps.c
cat >> confdefs.h <<EOF
#define D_MACHEPS `macheps`
EOF

echo $CC -o macheps fmacheps.c
$CC -o macheps fmacheps.c
cat >> confdefs.h <<EOF
#define F_MACHEPS `macheps`
EOF

echo computing M_MAX_INT
echo $CC -o maxint maxint.c
$CC -o maxint maxint.c
cat >> confdefs.h <<EOF
#define M_MAX_INT `maxint`
EOF

echo checking char '\\0' vs. float zeros
cat > conftest.$ac_ext <<EOF
#line 1614 "configure"
#include "confdefs.h"
main() {
    char	*cp = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
    double	*dp;
    dp = (double *)cp;
    if ( *dp == 0.0 ) printf("yes\n");  }

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "yes" >/dev/null 2>&1; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define CHAR0ISDBL0 1
EOF

fi
rm -f conftest*

for ac_func in bcopy bzero
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:1636: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1641 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char $ac_func();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
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