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

    echo "$ac_t""Resetting cross compilation to yes" 1>&6
    cross_compiling=yes
    ac_cv_prog_cc_cross=yes
    ac_cv_prog_f77_cross=yes
    ac_cv_prog_f90_cross=yes
    ac_cv_prog_cxx_cross=yes
fi


if test -z "$FLINKER" ; then
   FLINKER="$F77"
fi

# We need F90 to get the OFFSET_KIND and ADDRESS_KIND values.
if test "$enable_f90" != "no" ; then
    
if test -z "$F90" ; then
    for ac_prog in f95 f90 xlf90 pgf90 efc
do
# Extract the first word of "$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:1320: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_F90'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$F90"; then
  ac_cv_prog_F90="$F90" # Let the user override the test.
else
  IFS="${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_F90="$ac_prog"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
F90="$ac_cv_prog_F90"
if test -n "$F90"; then
  echo "$ac_t""$F90" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

test -n "$F90" && break
done

    test -z "$F90" && echo "configure: warning: no acceptable Fortran 90 compiler found in \$PATH" 1>&2
fi
if test -n "$F90" ; then
     echo $ac_n "checking for extension for Fortran 90 programs""... $ac_c" 1>&6
echo "configure:1353: checking for extension for Fortran 90 programs" >&5
pac_cv_f90_ext="f90"
cat > conftest.$pac_cv_f90_ext <<EOF
      program conftest
      end
EOF
ac_compile='${F90-f90} -c $F90FLAGS conftest.$pac_cv_f90_ext 1>&5'
if { (eval echo configure:1360: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } ; then
    echo "$ac_t""f90" 1>&6
else
    rm -f conftest*
    pac_cv_f90_ext="f"
    cat > conftest.$pac_cv_f90_ext <<EOF
      program conftest
      end
EOF
    if { (eval echo configure:1369: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } ; then
	echo "$ac_t""f" 1>&6
    else
        echo "$ac_t""unknown!" 1>&6
    fi
fi
echo $ac_n "checking whether the Fortran 90 compiler ($F90 $F90FLAGS $LDFLAGS) works""... $ac_c" 1>&6
echo "configure:1376: checking whether the Fortran 90 compiler ($F90 $F90FLAGS $LDFLAGS) works" >&5

# We cannot use _LANG_FORTRAN90 here because we will usually be executing this
# test in the context of _PROG_F90, which is a require on _LANG_FORTRAN90.
# Instead, we insert the necessary code from _LANG_FORTRAN90 here
ac_ext=$pac_cv_f90_ext
ac_compile='${F90-f90} -c $F90FLAGS conftest.$ac_ext 1>&5'
ac_link='${F90-f90} -o conftest${ac_exeext} $F90FLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$pac_cv_prog_f90_cross
cat >conftest.$ac_ext <<EOF
      program conftest
      end
EOF
if { (eval echo configure:1389: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeect} ; then
    pac_cv_prog_f90_works="yes"
    if (./conftest; exit) 2>/dev/null ; then
        pac_cv_prog_f90_cross="no"
    else
        pac_cv_prog_f90_cross="yes"
    fi
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  pac_cv_prog_f90_works="no"
fi
rm -f conftest*
ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$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 "$ac_t""$pac_cv_prog_f90_works" 1>&6
if test $pac_cv_prog_f90_works = no; then
  echo "configure: warning: installation or configuration problem: Fortran 90 compiler cannot create executables." 1>&2
fi
echo $ac_n "checking whether the Fortran 90 compiler ($F90 $F90FLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
echo "configure:1414: checking whether the Fortran 90 compiler ($F90 $F90FLAGS $LDFLAGS) is a cross-compiler" >&5
echo "$ac_t""$pac_cv_prog_f90_cross" 1>&6
cross_compiling=$pac_cv_prog_f90_cross

fi
ac_f90ext=$pac_cv_f90_ext
ac_f90compile='${F90-f90} -c $F90FLAGS conftest.$ac_f90ext 1>&5'
ac_f90link='${F90-f90} -o conftest${ac_exeext} $F90FLAGS $LDFLAGS conftest.$ac_f90ext $LIBS 1>&5'
# Check for problems with Intel efc compiler
cat > conftest.$ac_f90ext <<EOF
        program main
        end
EOF
pac_msg=`$F90 -o conftest $F90FLAGS $LDFLAGS conftest.$ac_f90ext $LIBS 2>&1 | grep 'bfd assertion fail'`
if test -n "$pac_msg" ; then
    pac_msg=`$F90 -o conftest $F90FLAGS $LDFLAGS conftest.$ac_f90ext -i_dynamic $LIBS 2>&1 | grep 'bfd assertion fail'`
    if test -z "$pac_msg" ; then LDFLAGS="-i_dynamic" ; fi
    # There should really be f90linker flags rather than generic ldflags.
fi

    if test -z "$F90" ; then
        enable_f90=no
    else
        if test -z "$F90LINKER" ; then
            F90LINKER="$F90"
        fi
    fi
    
fi

true
if test "X$MAKE" = "X" ; then
   for ac_prog in make gnumake nmake pmake smake
do
# Extract the first word of "$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:1451: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_MAKE'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$MAKE"; then
  ac_cv_prog_MAKE="$MAKE" # Let the user override the test.
else
  IFS="${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_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""... $ac_c" 1>&6
echo "configure:1484: checking whether clock skew breaks make" >&5
if eval "test \"`echo '$''{'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""... $ac_c" 1>&6
echo "configure:1513: checking whether make echos directory changes" >&5
if eval "test \"`echo '$''{'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""... $ac_c" 1>&6
echo "configure:1553: checking whether make supports include" >&5
if eval "test \"`echo '$''{'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""... $ac_c" 1>&6
echo "configure:1586: checking whether make allows comments in actions" >&5
if eval "test \"`echo '$''{'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""... $ac_c" 1>&6
echo "configure:1620: checking for virtual path format" >&5
if eval "test \"`echo '$''{'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""... $ac_c" 1>&6
echo "configure:1669: checking whether make sets CFLAGS" >&5
if eval "test \"`echo '$''{'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:1700: 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