[#] start of __file__

dnl MPICH_SUBCFG_AFTER=src/pmi

AC_DEFUN([PAC_SUBCFG_PREREQ_]PAC_SUBCFG_AUTO_SUFFIX,[

])

AC_DEFUN([PAC_SUBCFG_BODY_]PAC_SUBCFG_AUTO_SUFFIX,[

AM_CONDITIONAL([BUILD_PMI_SIMPLE],[test "x$pmi_name" = "xsimple"])

AM_COND_IF([BUILD_PMI_SIMPLE],[

if test "$enable_pmiport" != "no" ; then

   enable_pmiport=yes

fi

AC_CHECK_HEADERS(unistd.h string.h stdlib.h sys/socket.h strings.h assert.h arpa/inet.h)

dnl Use snprintf if possible when creating messages

AC_CHECK_FUNCS(snprintf)

if test "$ac_cv_func_snprintf" = "yes" ; then

    PAC_FUNC_NEEDS_DECL([#include <stdio.h>],snprintf)

fi

AC_CHECK_FUNCS(strncasecmp)

#

# PM's that need support for a port can set the environment variable

# NEED_PMIPORT in their setup_pm script.

if test "$NEED_PMIPORT" = "yes" -a "$enable_pmiport" != "yes" ; then

    AC_MSG_WARN([The process manager requires the pmiport capability.  Do not specify --disable-pmiport.])

    enable_pmiport=yes

fi

#

if test "$enable_pmiport" = "yes" ; then

    # Check for the necessary includes and functions

    missing_headers=no

    AC_CHECK_HEADERS([	\

	sys/types.h	\

	sys/param.h	\

	sys/socket.h	\

	netinet/in.h	\

	netinet/tcp.h	\

	sys/un.h	\

	netdb.h		\

	],,missing_headers=yes )

    missing_functions=no

    AC_SEARCH_LIBS(socket,socket,,[missing_functions=yes])

    AC_SEARCH_LIBS(gethostbyname,nsl,,[missing_functions=yes])

    AC_SEARCH_LIBS(setsockopt,,,[missing_functions=yes])

    if test "$missing_functions" = "no" ; then

        AC_DEFINE(USE_PMI_PORT,1,[Define if access to PMI information through a port rather than just an fd is allowed])

    else

        AC_MSG_ERROR([Cannot build simple PMI with support for an IP port because of missing functions])

    fi

fi

# Check for socklen_t .  If undefined, define it as int

# (note the conditional inclusion of sys/socket.h)

AC_CACHE_CHECK([whether socklen_t is defined (in sys/socket.h if present)],

pac_cv_have_socklen_t,[

AC_TRY_COMPILE([

#include <sys/types.h>

#ifdef HAVE_SYS_SOCKET_H

#include <sys/socket.h>

#endif

]

typedef struct { double a; int b; } socklen_t;,[socklen_t a;a.a=1.0;],pac_cv_have_socklen_t=no,pac_cv_have_socklen_t=yes)])

if test "$pac_cv_have_socklen_t" = no ; then

    AC_DEFINE(socklen_t,int,[Define if socklen_t is not defined])

fi

# Check for h_addr or h_addr_list

AC_CACHE_CHECK([whether struct hostent contains h_addr_list],

pac_cv_have_haddr_list,[

AC_TRY_COMPILE([

#include <netdb.h>],[struct hostent hp;hp.h_addr_list[0]=0;],

pac_cv_have_haddr_list=yes,pac_cv_have_haddr_list=no)])

if test "$pac_cv_have_haddr_list" = "yes" ; then

    AC_DEFINE(HAVE_H_ADDR_LIST,1,[Define if struct hostent contains h_addr_list])

fi

PAC_C_GNU_ATTRIBUTE

])dnl end COND_IF

])dnl end BODY macro

[#] end of __file__