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

  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_MAKE="$ac_prog"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
MAKE="$ac_cv_prog_MAKE"
if test -n "$MAKE"; then
  echo "$ac_t""$MAKE" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

test -n "$MAKE" && break
done

fi


echo $ac_n "checking whether clock skew breaks make""... $ac_c" 1>&6
echo "configure:1039: checking whether clock skew breaks make" >&5
if eval "test \"`echo '$''{'pac_cv_prog_make_found_clock_skew'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  

rm -f conftest*
cat > conftest <<EOF
ALL:
	@-echo "success"
EOF
$MAKE -f conftest > conftest.out 2>&1
if grep -i skew conftest >/dev/null 2>&1 ; then
    pac_cv_prog_make_found_clock_skew=yes
else
    pac_cv_prog_make_found_clock_skew=no
fi
rm -f conftest*

fi

echo "$ac_t""$pac_cv_prog_make_found_clock_skew" 1>&6
if test "$pac_cv_prog_make_found_clock_skew" = "yes" ; then
    echo "configure: warning: Clock skew found by make.  The configure and build may fail.
Consider building in a local instead of NFS filesystem." 1>&2
fi


echo $ac_n "checking whether make echos directory changes""... $ac_c" 1>&6
echo "configure:1068: checking whether make echos directory changes" >&5
if eval "test \"`echo '$''{'pac_cv_prog_make_echos_dir'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  

/bin/rm -f conftest
cat > conftest <<.
SHELL=/bin/sh
ALL:
	@(dir="`pwd`" ; cd .. ; \$(MAKE) -f "\$\$dir/conftest" SUB)
SUB:
	@echo "success"
.
str="`$MAKE -f conftest 2>&1`"
if test "$str" != "success" ; then
    str="`$MAKE --no-print-directory -f conftest 2>&1`"
    if test "$str" = "success" ; then
	pac_cv_prog_make_echos_dir="yes using --no-print-directory"
    else
	pac_cv_prog_make_echos_dir="no"
	echo "Unexpected output from make with program" >>config.log
	cat conftest >>config.log
	echo "str" >> config.log
    fi
else
    pac_cv_prog_make_echos_dir="no"
fi
/bin/rm -f conftest
str=""

fi

echo "$ac_t""$pac_cv_prog_make_echos_dir" 1>&6
if test "$pac_cv_prog_make_echos_dir" = "yes using --no-print-directory" ; then
    MAKE="$MAKE --no-print-directory"
fi


echo $ac_n "checking whether make supports include""... $ac_c" 1>&6
echo "configure:1108: checking whether make supports include" >&5
if eval "test \"`echo '$''{'pac_cv_prog_make_include'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  

/bin/rm -f conftest
cat > conftest <<.
ALL:
	@echo "success"
.
cat > conftest1 <<.
include conftest
.
pac_str=`$MAKE -f conftest1 2>&1`
/bin/rm -f conftest conftest1
if test "$pac_str" != "success" ; then
    pac_cv_prog_make_include="no"
else
    pac_cv_prog_make_include="yes"
fi

fi

echo "$ac_t""$pac_cv_prog_make_include" 1>&6
if test "$pac_cv_prog_make_include" = "no" ; then
    :
else
    :
fi


echo $ac_n "checking whether make allows comments in actions""... $ac_c" 1>&6
echo "configure:1141: checking whether make allows comments in actions" >&5
if eval "test \"`echo '$''{'pac_cv_prog_make_allows_comments'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  

/bin/rm -f conftest
cat > conftest <<.
SHELL=/bin/sh
ALL:
	@# This is a valid comment!
	@echo "success"
.
pac_str=`$MAKE -f conftest 2>&1`
/bin/rm -f conftest 
if test "$pac_str" != "success" ; then
    pac_cv_prog_make_allows_comments="no"
else
    pac_cv_prog_make_allows_comments="yes"
fi

fi

echo "$ac_t""$pac_cv_prog_make_allows_comments" 1>&6
if test "$pac_cv_prog_make_allows_comments" = "no" ; then
    echo "configure: warning: Your make does not allow comments in target code.
Using this make may cause problems when building programs.
You should consider using gnumake instead." 1>&2
    
fi



echo $ac_n "checking for virtual path format""... $ac_c" 1>&6
echo "configure:1175: checking for virtual path format" >&5
if eval "test \"`echo '$''{'pac_cv_prog_make_vpath'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  

rm -rf conftest*
mkdir conftestdir
cat >conftestdir/a.c <<EOF
A sample file
EOF
cat > conftest <<EOF
all: a.o
VPATH=.:conftestdir
.c.o:
	@echo \$<
EOF
ac_out=`$MAKE -f conftest 2>&1 | grep 'conftestdir/a.c'`
if test -n "$ac_out" ; then 
    pac_cv_prog_make_vpath="VPATH"
else
    rm -f conftest
    cat > conftest <<EOF
all: a.o
.PATH: . conftestdir
.c.o:
	@echo \$<
EOF
    ac_out=`$MAKE -f conftest 2>&1 | grep 'conftestdir/a.c'`
    if test -n "$ac_out" ; then 
        pac_cv_prog_make_vpath=".PATH"
    else
	pac_cv_prog_make_vpath="neither VPATH nor .PATH works"
    fi
fi
rm -rf conftest*

fi

echo "$ac_t""$pac_cv_prog_make_vpath" 1>&6
if test "$pac_cv_prog_make_vpath" = "VPATH" ; then
    VPATH='VPATH=.:${srcdir}'
elif test "$pac_cv_prog_make_vpath" = ".PATH" ; then
    VPATH='.PATH: . ${srcdir}'
fi



echo $ac_n "checking whether make sets CFLAGS""... $ac_c" 1>&6
echo "configure:1224: checking whether make sets CFLAGS" >&5
if eval "test \"`echo '$''{'pac_cv_prog_make_set_cflags'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  

/bin/rm -f conftest
cat > conftest <<EOF
SHELL=/bin/sh
ALL:
	@echo X\${CFLAGS}X
EOF
pac_str=`$MAKE -f conftest 2>&1`
/bin/rm -f conftest 
if test "$pac_str" = "XX" ; then
    pac_cv_prog_make_set_cflags="no"
else
    pac_cv_prog_make_set_cflags="yes"
fi

fi

echo "$ac_t""$pac_cv_prog_make_set_cflags" 1>&6
if test "$pac_cv_prog_make_set_cflags" = "no" ; then
    :
else
    SET_CFLAGS='CFLAGS='
fi

if test "$pac_cv_prog_make_echos_dir" = "no" ; then
    echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
echo "configure:1255: checking whether ${MAKE-make} sets \${MAKE}" >&5
set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftestmake <<\EOF
all:
	@echo 'ac_maketemp="${MAKE}"'
EOF
# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
eval `${MAKE-make} -f conftestmake 2>/dev/null | grep temp=`
if test -n "$ac_maketemp"; then
  eval ac_cv_prog_make_${ac_make}_set=yes
else
  eval ac_cv_prog_make_${ac_make}_set=no
fi
rm -f conftestmake
fi
if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  SET_MAKE=
else
  echo "$ac_t""no" 1>&6
  SET_MAKE="MAKE=${MAKE-make}"
fi

else
    SET_MAKE="MAKE=${MAKE-make}"
fi

echo $ac_n "checking for working const""... $ac_c" 1>&6
echo "configure:1286: checking for working const" >&5
if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1291 "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:1340: \"$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 how to run the C preprocessor""... $ac_c" 1>&6
echo "configure:1361: checking how to run the C preprocessor" >&5
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
  CPP=
fi
if test -z "$CPP"; then
if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
    # This must be in double quotes, not single quotes, because CPP may get
  # substituted into the Makefile and "${CC-cc}" will confuse make.
  CPP="${CC-cc} -E"
  # On the NeXT, cc -E runs the code through the compiler's parser,
  # not just through cpp.
  cat > conftest.$ac_ext <<EOF
#line 1376 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1382: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP="${CC-cc} -E -traditional-cpp"
  cat > conftest.$ac_ext <<EOF
#line 1393 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1399: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP="${CC-cc} -nologo -E"
  cat > conftest.$ac_ext <<EOF
#line 1410 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1416: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  :
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  CPP=/lib/cpp
fi
rm -f conftest*
fi
rm -f conftest*
fi
rm -f conftest*
  ac_cv_prog_CPP="$CPP"
fi
  CPP="$ac_cv_prog_CPP"
else
  ac_cv_prog_CPP="$CPP"
fi
echo "$ac_t""$CPP" 1>&6

echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
echo "configure:1441: checking for ANSI C header files" >&5
if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1446 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1454: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  ac_cv_header_stdc=yes
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

if test $ac_cv_header_stdc = yes; then
  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 1471 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "memchr" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 1489 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "free" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
if test "$cross_compiling" = yes; then
  :
else
  cat > conftest.$ac_ext <<EOF
#line 1510 "configure"
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
int main () { int i; for (i = 0; i < 256; i++)
if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }