configure

刚才是说明 现在是安装程序在 LINUX环境下进行编程的MPICH安装文件

# Directory for building the library in (in src if not specified)
if test -z "$libbuild_dir" ; then
    libbuild_dir=`pwd`/src
    if test ! -d $libbuild_dir ; then mkdir $libbuild_dir ; fi
fi




for ac_prog in cc xlC xlc pgcc icc gcc 
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:880: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CC"; then
  ac_cv_prog_CC="$CC" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_CC="$ac_prog"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CC="$ac_cv_prog_CC"
if test -n "$CC"; then
  echo "$ac_t""$CC" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

test -n "$CC" && break
done

test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
echo "configure:911: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5

ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cc_cross

cat > conftest.$ac_ext << EOF

#line 922 "configure"
#include "confdefs.h"

main(){return(0);}
EOF
if { (eval echo configure:927: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  ac_cv_prog_cc_works=yes
  # If we can't run a trivial program, we are probably using a cross compiler.
  if (./conftest; exit) 2>/dev/null; then
    ac_cv_prog_cc_cross=no
  else
    ac_cv_prog_cc_cross=yes
  fi
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  ac_cv_prog_cc_works=no
fi
rm -fr conftest*
ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cc_cross

echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
if test $ac_cv_prog_cc_works = no; then
  { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
fi
echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
echo "configure:953: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
cross_compiling=$ac_cv_prog_cc_cross

echo $ac_n "checking whether the C compiler sets its return status correctly""... $ac_c" 1>&6
echo "configure:958: checking whether the C compiler sets its return status correctly" >&5

ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cc_cross

cat > conftest.$ac_ext <<EOF
#line 968 "configure"
#include "confdefs.h"

int main() {
int a = bzzzt;
; return 0; }
EOF
if { (eval echo configure:975: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  notbroken=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  notbroken=yes
fi
rm -f conftest*
echo "$ac_t""$notbroken" 1>&6
if test "$notbroken" = "no" ; then
    { echo "configure: error: installation or configuration problem: C compiler does not
correctly set error code when a fatal error occurs" 1>&2; exit 1; }
fi

echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
echo "configure:992: checking whether we are using GNU C" >&5
if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.c <<EOF
#ifdef __GNUC__
  yes;
#endif
EOF
if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1001: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
  ac_cv_prog_gcc=yes
else
  ac_cv_prog_gcc=no
fi
fi

echo "$ac_t""$ac_cv_prog_gcc" 1>&6
if test "$ac_cv_prog_gcc" = yes; then
  GCC=yes
else
  GCC=
fi

echo $ac_n "checking for working const""... $ac_c" 1>&6
echo "configure:1016: checking for working const" >&5
if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1021 "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:1070: \"$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

# Check on support for long double and long long types.
echo $ac_n "checking whether long double is supported""... $ac_c" 1>&6
echo "configure:1092: checking whether long double is supported" >&5
if eval "test \"`echo '$''{'pac_cv_have_long_double'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
cat > conftest.$ac_ext <<EOF
#line 1098 "configure"
#include "confdefs.h"

int main() {
long double a;
; return 0; }
EOF
if { (eval echo configure:1105: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  pac_cv_have_long_double=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  pac_cv_have_long_double=no
fi
rm -f conftest*
fi

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

fi
echo $ac_n "checking whether long long is supported""... $ac_c" 1>&6
echo "configure:1125: checking whether long long is supported" >&5
if eval "test \"`echo '$''{'pac_cv_have_long_long'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
cat > conftest.$ac_ext <<EOF
#line 1131 "configure"
#include "confdefs.h"

int main() {
long double a;
; return 0; }
EOF
if { (eval echo configure:1138: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  pac_cv_have_long_long=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  pac_cv_have_long_long=no
fi
rm -f conftest*
fi

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

fi
save_FFLAGS="$FFLAGS"
if test -z "$F77"; then
  for ac_prog in g77 f77 f2c
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1164: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_F77'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$F77"; then
  ac_cv_prog_F77="$F77" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_F77="$ac_prog"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
F77="$ac_cv_prog_F77"
if test -n "$F77"; then
  echo "$ac_t""$F77" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

test -n "$F77" && break
done

    test -z "$F77" && { echo "configure: error: no acceptable Fortran 77 compiler found in \$PATH" 1>&2; exit 1; }
fi

echo $ac_n "checking whether the Fortran 77 compiler ($F77 $FFLAGS $LDFLAGS) works""... $ac_c" 1>&6
echo "configure:1197: checking whether the Fortran 77 compiler ($F77 $FFLAGS $LDFLAGS) works" >&5

ac_ext=f
ac_compile='${F77-f77} -c $FFLAGS conftest.$ac_ext 1>&5'
ac_link='${F77-f77} -o conftest${ac_exeext} $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_f77_cross

cat > conftest.$ac_ext << EOF

      program conftest
      end

EOF
if { (eval echo configure:1210: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  ac_cv_prog_f77_works=yes
  # If we can't run a trivial program, we are probably using a cross compiler.
  if (./conftest; exit) 2>/dev/null; then
    ac_cv_prog_f77_cross=no
  else
    ac_cv_prog_f77_cross=yes
  fi
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  ac_cv_prog_f77_works=no
fi
rm -fr conftest*
ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cc_cross

echo "$ac_t""$ac_cv_prog_f77_works" 1>&6
if test $ac_cv_prog_f77_works = no; then
  { echo "configure: error: installation or configuration problem: Fortran 77 compiler cannot create executables." 1>&2; exit 1; }
fi
echo $ac_n "checking whether the Fortran 77 compiler ($F77 $FFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
echo "configure:1236: checking whether the Fortran 77 compiler ($F77 $FFLAGS $LDFLAGS) is a cross-compiler" >&5
echo "$ac_t""$ac_cv_prog_f77_cross" 1>&6
cross_compiling=$ac_cv_prog_f77_cross

echo $ac_n "checking whether we are using GNU Fortran 77""... $ac_c" 1>&6
echo "configure:1241: checking whether we are using GNU Fortran 77" >&5
if eval "test \"`echo '$''{'ac_cv_prog_g77'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.fpp <<EOF
#ifdef __GNUC__
  yes
#endif
EOF
if { ac_try='$F77 -E conftest.fpp'; { (eval echo configure:1250: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
  ac_cv_prog_g77=yes
else
  ac_cv_prog_g77=no
fi
fi

echo "$ac_t""$ac_cv_prog_g77" 1>&6

if test $ac_cv_prog_g77 = yes; then
  G77=yes
  ac_test_FFLAGS="${FFLAGS+set}"
  ac_save_FFLAGS="$FFLAGS"
  FFLAGS=
  echo $ac_n "checking whether $F77 accepts -g""... $ac_c" 1>&6
echo "configure:1265: checking whether $F77 accepts -g" >&5
if eval "test \"`echo '$''{'ac_cv_prog_f77_g'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.f << EOF
       program conftest
       end
EOF
if test -z "`$F77 -g -c conftest.f 2>&1`"; then
  ac_cv_prog_f77_g=yes
else
  ac_cv_prog_f77_g=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_prog_f77_g" 1>&6
  if test "$ac_test_FFLAGS" = set; then
    FFLAGS="$ac_save_FFLAGS"
  elif test $ac_cv_prog_f77_g = yes; then
    FFLAGS="-g -O2"
  else
    FFLAGS="-O2"
  fi
else
  G77=
  test "${FFLAGS+set}" = set || FFLAGS="-g"
fi

FFLAGS="$save_FFLAGS"
# Bug in autoconf.  Restore cross settings
if test "$pac_cross_compiling" = "yes" -a "$ac_cv_prog_f77_cross" = "no" ; then