configure.in

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

dnl Process this file with autoconf to produce a configure script.
# Autoconf initialization:
AC_INIT(mpdroot.h)
AC_PREREQ(2.13)                 dnl needed for SHELL
# Autoconf header:
rm -f ${srcdir}/mpdconf.h mpdconf.h
AC_CONFIG_HEADER(mpdconf.h)

dnl Process configure arguments
AC_ARG_ENABLE(echo,
   [--enable-echo - turn on echoing from within configure script],
   set -x)
CONFIGURE_ARGS="$*"
if test -n "$CONFIGURE_ARGS" ; then 
    echo "Configuring with args $CONFIGURE_ARGS"
fi
AC_SUBST(COPTIONS)
dnl add --enable-strict and --enable-g

AC_ARG_ENABLE(g, [--enable-g  - turn on debugging flags ] )
if test "$enable_g" = "yes" -o "$enable_g" = "all" ; then
    COPTIONS="${COPTIONS} -g"
fi

dnl Checks for programs.
# Checking for programs.
AC_PROG_CC
AC_PROG_MAKE_SET
AC_PROG_LN_S

# In case clinker is not defined
if test -z "$CLINKER" ; then 
    CLINKER="$CC"
    AC_SUBST(CLINKER)
fi

dnl Checks for libraries.
# Searching libraries instead of checking
AC_SEARCH_LIBS(socket, socket)

dnl Checks for header files.
# Checking headers
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(fcntl.h strings.h sys/time.h unistd.h stdlib.h)

dnl Checks for library functions.
# Checking library functions
AC_CHECK_FUNCS(putenv socket)

dnl Output:
# Starting output
MPD_HOME=`pwd`
AC_SUBST(MPD_HOME)
# AC_OUTPUT_COMMANDS(chmod +x startdaemons)
AC_OUTPUT(Makefile)