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 "$ac_t""$ac_cv_prog_gxx" 1>&6

if test $ac_cv_prog_gxx = yes; then
  GXX=yes
else
  GXX=
fi

ac_test_CXXFLAGS="${CXXFLAGS+set}"
ac_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS=
echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
echo "configure:717: checking whether ${CXX-g++} accepts -g" >&5
if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  echo 'void f(){}' > conftest.cc
if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then
  ac_cv_prog_cxx_g=yes
else
  ac_cv_prog_cxx_g=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_prog_cxx_g" 1>&6
if test "$ac_test_CXXFLAGS" = set; then
  CXXFLAGS="$ac_save_CXXFLAGS"
elif test $ac_cv_prog_cxx_g = yes; then
  if test "$GXX" = yes; then
    CXXFLAGS="-g -O2"
  else
    CXXFLAGS="-g"
  fi
else
  if test "$GXX" = yes; then
    CXXFLAGS="-O2"
  else
    CXXFLAGS=
  fi
fi

# Extract the first word of "ar", so it can be a program name with args.
set dummy ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:751: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_AR'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  case "$AR" in
  /*)
  ac_cv_path_AR="$AR" # Let the user override the test with a path.
  ;;
  ?:/*)			 
  ac_cv_path_AR="$AR" # Let the user override the test with a dos path.
  ;;
  *)
  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_path_AR="$ac_dir/$ac_word"
      break
    fi
  done
  IFS="$ac_save_ifs"
  ;;
esac
fi
AR="$ac_cv_path_AR"
if test -n "$AR"; then
  echo "$ac_t""$AR" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

# Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:786: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_RANLIB'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  case "$RANLIB" in
  /*)
  ac_cv_path_RANLIB="$RANLIB" # Let the user override the test with a path.
  ;;
  ?:/*)			 
  ac_cv_path_RANLIB="$RANLIB" # Let the user override the test with a dos path.
  ;;
  *)
  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_path_RANLIB="$ac_dir/$ac_word"
      break
    fi
  done
  IFS="$ac_save_ifs"
  ;;
esac
fi
RANLIB="$ac_cv_path_RANLIB"
if test -n "$RANLIB"; then
  echo "$ac_t""$RANLIB" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

# Find a good install program.  We prefer a C program (faster),
# so one script is as good as another.  But avoid the broken or
# incompatible versions:
# SysV /etc/install, /usr/sbin/install
# SunOS /usr/etc/install
# IRIX /sbin/install
# AIX /bin/install
# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
# AFS /usr/afsws/bin/install, which mishandles nonexistent args
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
echo "configure:830: checking for a BSD compatible install" >&5
if test -z "$INSTALL"; then
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
    IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS=":"
  for ac_dir in $PATH; do
    # Account for people who put trailing slashes in PATH elements.
    case "$ac_dir/" in
    /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
    *)
      # OSF1 and SCO ODT 3.0 have their own names for install.
      # Don't use installbsd from OSF since it installs stuff as root
      # by default.
      for ac_prog in ginstall scoinst install; do
        if test -f $ac_dir/$ac_prog; then
	  if test $ac_prog = install &&
            grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
	    # AIX install.  It has an incompatible calling convention.
	    :
	  else
	    ac_cv_path_install="$ac_dir/$ac_prog -c"
	    break 2
	  fi
	fi
      done
      ;;
    esac
  done
  IFS="$ac_save_IFS"

fi
  if test "${ac_cv_path_install+set}" = set; then
    INSTALL="$ac_cv_path_install"
  else
    # As a last resort, use the slow shell script.  We don't cache a
    # path for INSTALL within a source directory, because that will
    # break other packages using the cache if that directory is
    # removed, or if the path is relative.
    INSTALL="$ac_install_sh"
  fi
fi
echo "$ac_t""$INSTALL" 1>&6

# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
# It thinks the first close brace ends the variable substitution.
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'

test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'

test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'

ac_ext=C
# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cxx_cross

echo $ac_n "checking whether the compiler supports exceptions""... $ac_c" 1>&6
echo "configure:890: checking whether the compiler supports exceptions" >&5
if eval "test \"`echo '$''{'ac_cv_cxx_exceptions'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
 ac_ext=C
# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cxx_cross

 cat > conftest.$ac_ext <<EOF
#line 903 "configure"
#include "confdefs.h"

int main() {
try { throw  1; } catch (int i) { return i; }
; return 0; }
EOF
if { (eval echo configure:910: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_cxx_exceptions=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_cxx_exceptions=no
fi
rm -f conftest*
 ac_ext=C
# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cxx_cross


fi

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

fi

echo $ac_n "checking whether the compiler recognizes bool as a built-in type""... $ac_c" 1>&6
echo "configure:939: checking whether the compiler recognizes bool as a built-in type" >&5
if eval "test \"`echo '$''{'ac_cv_cxx_bool'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
 ac_ext=C
# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cxx_cross

 cat > conftest.$ac_ext <<EOF
#line 952 "configure"
#include "confdefs.h"

int f(int  x){return 1;}
int f(char x){return 1;}
int f(bool x){return 1;}

int main() {
bool b = true; return f(b);
; return 0; }
EOF
if { (eval echo configure:963: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_cxx_bool=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_cxx_bool=no
fi
rm -f conftest*
 ac_ext=C
# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cxx_cross


fi

echo "$ac_t""$ac_cv_cxx_bool" 1>&6
if test "$ac_cv_cxx_bool" != yes; then
  cat >> confdefs.h <<\EOF
#define bool int
EOF

fi

echo $ac_n "checking whether the compiler implements namespaces""... $ac_c" 1>&6
echo "configure:992: checking whether the compiler implements namespaces" >&5
if eval "test \"`echo '$''{'ac_cv_cxx_namespaces'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
 ac_ext=C
# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cxx_cross

 cat > conftest.$ac_ext <<EOF
#line 1005 "configure"
#include "confdefs.h"
namespace Outer { namespace Inner { int i = 0; }}
int main() {
using namespace Outer::Inner; return i;
; return 0; }
EOF
if { (eval echo configure:1012: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_cxx_namespaces=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_cxx_namespaces=no
fi
rm -f conftest*
 ac_ext=C
# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cxx_cross


fi

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

fi

if test "$ac_cv_cxx_namespaces" != "yes" ; then
    { echo "configure: error: Namespaces are required for the MPI C++ interface" 1>&2; exit 1; }
fi
trap '' 1 2 15
cat > confcache <<\EOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# scripts and configure runs.  It is not useful on other systems.
# If it contains results you don't want to keep, you may remove or edit it.
#
# By default, configure uses ./config.cache as the cache file,
# creating it if it does not exist already.  You can give configure
# the --cache-file=FILE option to use a different cache file; that is
# what configure does when it calls configure scripts in
# subdirectories, so they share the cache.