build/apu-conf.m4 - apr-util - Git at Google

 dnl
 dnl custom autoconf rules for APRUTIL
 dnl

 dnl
 dnl APU_FIND_APR: figure out where APR is located
 dnl
 AC_DEFUN(APU_FIND_APR,[

   dnl use the find_apr.m4 script to locate APR. sets apr_found and apr_config
   APR_FIND_APR
   if test "$apr_found" = "no"; then
     AC_MSG_ERROR(APR could not be located. Please use the --with-apr option.)
   fi

   APR_BUILD_DIR="`$apr_config --installbuilddir`"

   dnl make APR_BUILD_DIR an absolute directory (we'll need it in the
   dnl sub-projects in some cases)
   APR_BUILD_DIR="`cd $APR_BUILD_DIR && pwd`"

   APR_INCLUDES="`$apr_config --includes`"
   APR_LIBS="`$apr_config --link-libtool --libs`"
   APR_SO_EXT="`$apr_config --apr-so-ext`"
   APR_LIB_TARGET="`$apr_config --apr-lib-target`"

   AC_SUBST(APR_INCLUDES)
   AC_SUBST(APR_LIBS)

   dnl ### would be nice to obsolete these
   APR_SOURCE_DIR="`$apr_config --srcdir`"
   AC_SUBST(APR_BUILD_DIR)
   AC_SUBST(APR_SOURCE_DIR)
 ])


 dnl
 dnl APU_TEST_EXPAT(directory): test if Expat is located in the specified dir
 dnl
 dnl if present: sets expat_include_dir, expat_libs, possibly expat_old
 dnl
 AC_DEFUN(APU_TEST_EXPAT,[
   AC_MSG_CHECKING(for Expat in ifelse($2,,$1,$2))

   expat_libtool=""

   if test -r "$1/lib/expat.h.in"; then
     dnl Expat 1.95.* distribution
     expat_include_dir="$1/lib"
     expat_ldflags="-L$1/lib"
     expat_libs="-lexpat"
     expat_libtool="$1/lib/libexpat.la"
   elif test -r "$1/include/expat.h" -a \
     -r "$1/lib/libexpat.la"; then
     dnl Expat 1.95.* installation (with libtool)
     expat_include_dir="$1/include"
     expat_ldflags="-L$1/lib"
     expat_libs="-lexpat"
     expat_libtool="$1/lib/libexpat.la"
   elif test -r "$1/include/expat.h" -a \
     -r "$1/lib64/libexpat.la"; then
     dnl Expat 1.95.* installation on certain 64-bit platforms (with libtool)
     expat_include_dir="$1/include"
     expat_ldflags="-L$1/lib64"
     expat_libs="-lexpat"
     expat_libtool="$1/lib64/libexpat.la"
   elif test -r "$1/include/expat.h" -a \
     -r "$1/lib/libexpat.a"; then
     dnl Expat 1.95.* installation (without libtool)
     dnl FreeBSD textproc/expat2
     expat_include_dir="$1/include"
     expat_ldflags="-L$1/lib"
     expat_libs="-lexpat"
   elif test -r "$1/xmlparse.h"; then
     dnl maybe an expat-lite. use this dir for both includes and libs
     expat_include_dir="$1"
     expat_ldflags="-L$1"
     expat_libs="-lexpat"
     expat_libtool="$1/libexpat.la"
     expat_old=yes
   elif test -r "$1/include/xmlparse.h" -a \
        -r "$1/lib/libexpat.a"; then
     dnl previously installed expat
     expat_include_dir="$1/include"
     expat_ldflags="-L$1/lib"
     expat_libs="-lexpat"
     expat_old=yes
   elif test -r "$1/include/xml/xmlparse.h" -a \
        -r "$1/lib/xml/libexpat.a"; then
     dnl previously installed expat
     expat_include_dir="$1/include/xml"
     expat_ldflags="-L$1/lib"
     expat_libs="-lexpat"
     expat_old=yes
   elif test -r "$1/include/xmltok/xmlparse.h"; then
     dnl Debian distribution
     expat_include_dir="$1/include/xmltok"
     expat_ldflags="-L$1/lib"
     expat_libs="-lxmlparse -lxmltok"
     expat_old=yes
   elif test -r "$1/include/xml/xmlparse.h" -a \
        -r "$1/lib/libexpat.a"; then
     dnl FreeBSD textproc/expat package
     expat_include_dir="$1/include/xml"
     expat_ldflags="-L$1/lib"
     expat_libs="-lexpat"
     expat_old=yes
   elif test -r "$1/xmlparse/xmlparse.h"; then
     dnl Expat 1.0 or 1.1 source directory
     expat_include_dir="$1/xmlparse"
     expat_ldflags="-L$1"
     expat_libs="-lexpat"
     expat_old=yes
   fi
   dnl ### test for installed Expat 1.95.* distros

   if test -n "$expat_include_dir"; then
     dnl ### more info about what we found there? version? using .la?
     AC_MSG_RESULT(yes)
   else
     AC_MSG_RESULT(no)
   fi
 ])


 dnl
 dnl APU_FIND_EXPAT: figure out where EXPAT is located (or use bundled)
 dnl
 AC_DEFUN(APU_FIND_EXPAT,[

 AC_ARG_WITH([expat],
 [  --with-expat=DIR        specify Expat location], [
   if test "$withval" = "yes"; then
     AC_MSG_ERROR([a directory must be specified for --with-expat])
   elif test "$withval" = "no"; then
     AC_MSG_ERROR([Expat cannot be disabled (at this time)])
   else
     abs_expatdir="`cd $withval && pwd`"
     APU_TEST_EXPAT($abs_expatdir, $withval)
     if test -z "$expat_include_dir"; then
       AC_MSG_ERROR([Expat was not found (or recognized) in \"$withval\"])
     fi
   fi
 ])

 if test -z "$expat_include_dir"; then
   for d in /usr /usr/local xml/expat-cvs xml/expat $srcdir/xml/expat ; do
     APU_TEST_EXPAT($d)
     if test -n "$expat_include_dir"; then
       dnl For /usr installs of expat, we can't specify -L/usr/lib
       if test "$d" = "/usr"; then
         expat_ldflags=""
       fi
       break
     fi
   done
 fi
 if test -z "$expat_include_dir"; then
   AC_MSG_ERROR([could not locate Expat. use --with-expat])
 fi

 dnl If this expat doesn't use libtool natively, we'll mimic it for our
 dnl dependency library generation.
 if test -z "$expat_libtool"; then
   expat_libtool="$expat_ldflags $expat_libs"
 fi

 if test -n "$expat_old"; then
   AC_DEFINE(APR_HAVE_OLD_EXPAT, 1, [define if Expat 1.0 or 1.1 was found])
 fi

 dnl special-case the bundled distribution (use absolute dirs)
 if test "$expat_include_dir" = "xml/expat/lib" -o "$expat_include_dir" = "xml/expat-cvs/lib"; then
   bundled_subdir="`echo $expat_include_dir | sed -e 's%/lib%%'`"
   APR_SUBDIR_CONFIG($bundled_subdir, [--prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --includedir=$includedir --bindir=$bindir])
   expat_include_dir=$top_builddir/$bundled_subdir/lib
   expat_ldflags="-L$top_builddir/$bundled_subdir/lib"
   expat_libs="-lexpat"
   expat_libtool=$top_builddir/$bundled_subdir/lib/libexpat.la
   APR_XML_SUBDIRS="`echo $bundled_subdir | sed -e 's%xml/%%'`"
   APR_ADDTO(APRUTIL_EXPORT_LIBS, [$expat_libtool])
 else
 if test "$expat_include_dir" = "$abs_srcdir/xml/expat/include" -o "$expat_include_dir" = "$abs_srcdir/xml/expat/lib"; then
   dnl This is a bit of a hack.  This only works because we know that
   dnl we are working with the bundled version of the software.
   bundled_subdir="xml/expat"
   APR_SUBDIR_CONFIG($bundled_subdir, [--prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --includedir=$includedir --bindir=$bindir])
   expat_include_dir=$top_builddir/$bundled_subdir/lib
   expat_ldflags="-L$top_builddir/$bundled_subdir/lib"
   expat_libs="-lexpat"
   expat_libtool=$top_builddir/$bundled_subdir/lib/libexpat.la
   APR_XML_SUBDIRS="`echo $bundled_subdir | sed -e 's%xml/%%'`"
   APR_ADDTO(APRUTIL_EXPORT_LIBS, [$expat_libtool])
 else
   APR_ADDTO(APRUTIL_EXPORT_LIBS, [$expat_libs])
 fi
 fi
 APR_XML_DIR=$bundled_subdir
 APR_XML_EXPAT_OLD=$expat_old
 AC_SUBST(APR_XML_SUBDIRS)
 AC_SUBST(APR_XML_DIR)
 AC_SUBST(APR_XML_EXPAT_OLD)

 if test "$expat_include_dir" != "/usr/include"; then
   APR_ADDTO(APRUTIL_INCLUDES, [-I$expat_include_dir])
 fi
 APR_ADDTO(APRUTIL_LDFLAGS, [$expat_ldflags])
 APR_ADDTO(APRUTIL_LIBS, [$expat_libtool])
 ])


 dnl
 dnl Find a particular LDAP library
 dnl
 AC_DEFUN(APU_FIND_LDAPLIB,[
   if test ${apu_has_ldap} != "1"; then
     ldaplib=$1
     extralib=$2
     unset ac_cv_lib_${ldaplib}_ldap_init
     unset ac_cv_lib_${ldaplib}___ldap_init
     AC_CHECK_LIB(${ldaplib}, ldap_init,
       [
         APR_ADDTO(APRUTIL_EXPORT_LIBS,[-l${ldaplib} ${extralib}])
         APR_ADDTO(APRUTIL_LIBS,[-l${ldaplib} ${extralib}])
         AC_CHECK_LIB(${ldaplib}, ldapssl_install_routines, apu_has_ldap_netscape_ssl="1", , ${extralib})
         AC_CHECK_LIB(${ldaplib}, ldap_start_tls_s, apu_has_ldap_starttls="1", , ${extralib})
         apu_has_ldap="1";
       ], , ${extralib})
   fi
 ])


 dnl
 dnl APU_FIND_LDAP: figure out where LDAP is located
 dnl
 AC_DEFUN(APU_FIND_LDAP,[

 echo $ac_n "${nl}checking for ldap support..."

 apu_has_ldap="0";
 apu_has_ldap_netscape_ssl="0"
 apu_has_ldap_starttls="0"

 AC_ARG_WITH(ldap-include,[  --with-ldap-include=path  path to ldap include files with trailing slash])
 AC_ARG_WITH(ldap-lib,[  --with-ldap-lib=path    path to ldap lib file])
 AC_ARG_WITH(ldap,[  --with-ldap=library     ldap library to use],
   [
     save_cppflags="$CPPFLAGS"
     save_ldflags="$LDFLAGS"
     save_libs="$LIBS"
     if test -n "$with_ldap_include"; then
       CPPFLAGS="$CPPFLAGS -I$with_ldap_include"
       APR_ADDTO(APRUTIL_INCLUDES, [-I$with_ldap_include])
     fi
     if test -n "$with_ldap_lib"; then
       LDFLAGS="$LDFLAGS -L$with_ldap_lib"
       APR_ADDTO(APRUTIL_LDFLAGS, [-L$with_ldap_lib])
     fi

     LIBLDAP="$withval"
     if test "$LIBLDAP" = "yes"; then
 dnl The iPlanet C SDK 5.0 is as yet untested...
       APU_FIND_LDAPLIB("ldap50", "-lnspr4 -lplc4 -lplds4 -liutil50 -llber50 -lldif50 -lnss3 -lprldap50 -lssl3 -lssldap50")
       APU_FIND_LDAPLIB("ldapssl41", "-lnspr3 -lplc3 -lplds3")
       APU_FIND_LDAPLIB("ldapssl40")
       APU_FIND_LDAPLIB("ldapssl30")
       APU_FIND_LDAPLIB("ldapssl20")
       APU_FIND_LDAPLIB("ldap", "-llber")
       APU_FIND_LDAPLIB("ldap", "-llber -lresolv")
       APU_FIND_LDAPLIB("ldap", "-llber -lresolv -lsocket -lnsl")
       APU_FIND_LDAPLIB("ldap", "-ldl -lpthread")
     else
       APU_FIND_LDAPLIB($LIBLDAP)
       APU_FIND_LDAPLIB($LIBLDAP, "-lresolv")
       APU_FIND_LDAPLIB($LIBLDAP, "-lresolv -lsocket -lnsl")
       APU_FIND_LDAPLIB($LIBLDAP, "-ldl -lpthread")
     fi

     test ${apu_has_ldap} != "1" && AC_MSG_ERROR(could not find an LDAP library)
     AC_CHECK_LIB(lber, ber_init)

     AC_CHECK_HEADERS(ldap.h, ldap_h=["#include <ldap.h>"])
     AC_CHECK_HEADERS(lber.h, lber_h=["#include <lber.h>"])
     AC_CHECK_HEADERS(ldap_ssl.h, ldap_ssl_h=["#include <ldap_ssl.h>"])

     CPPFLAGS=$save_cppflags
     LDFLAGS=$save_ldflags
     LIBS=$save_libs
   ])

 AC_SUBST(ldap_h)
 AC_SUBST(lber_h)
 AC_SUBST(ldap_ssl_h)
 AC_SUBST(apu_has_ldap_netscape_ssl)
 AC_SUBST(apu_has_ldap_starttls)
 AC_SUBST(apu_has_ldap)

 ])

 dnl
 dnl APU_CHECK_CRYPT_R_STYLE
 dnl
 dnl  Decide which of a couple of flavors of crypt_r() is necessary for
 dnl  this platform.
 dnl
 AC_DEFUN([APU_CHECK_CRYPT_R_STYLE], [

 AC_CACHE_CHECK([style of crypt_r], apr_cv_crypt_r_style,
 [AC_TRY_COMPILE([#include <crypt.h>],
  [CRYPTD buffer;
   crypt_r("passwd", "hash", &buffer);],
  [apr_cv_crypt_r_style=cryptd],
  [AC_TRY_COMPILE([#include <crypt.h>],
   [struct crypt_data buffer;
    crypt_r("passwd", "hash", &buffer);],
   [apr_cv_crypt_r_style=struct_crypt_data],
   [apr_cv_crypt_r_style=none])])])

 if test "$apr_cv_crypt_r_style" = "cryptd"; then
    AC_DEFINE(CRYPT_R_CRYPTD, 1, [Define if crypt_r has uses CRYPTD])
 elif test "$apr_cv_crypt_r_style" = "struct_crypt_data"; then
    AC_DEFINE(CRYPT_R_STRUCT_CRYPT_DATA, 1, [Define if crypt_r uses struct crypt_data])
 fi
 ])
	dnl
	dnl custom autoconf rules for APRUTIL
	dnl

	dnl
	dnl APU_FIND_APR: figure out where APR is located
	dnl
	AC_DEFUN(APU_FIND_APR,[

	dnl use the find_apr.m4 script to locate APR. sets apr_found and apr_config
	APR_FIND_APR
	if test "$apr_found" = "no"; then
	AC_MSG_ERROR(APR could not be located. Please use the --with-apr option.)
	fi

	APR_BUILD_DIR="`$apr_config --installbuilddir`"

	dnl make APR_BUILD_DIR an absolute directory (we'll need it in the
	dnl sub-projects in some cases)
	APR_BUILD_DIR="`cd $APR_BUILD_DIR && pwd`"

	APR_INCLUDES="`$apr_config --includes`"
	APR_LIBS="`$apr_config --link-libtool --libs`"
	APR_SO_EXT="`$apr_config --apr-so-ext`"
	APR_LIB_TARGET="`$apr_config --apr-lib-target`"

	AC_SUBST(APR_INCLUDES)
	AC_SUBST(APR_LIBS)

	dnl ### would be nice to obsolete these
	APR_SOURCE_DIR="`$apr_config --srcdir`"
	AC_SUBST(APR_BUILD_DIR)
	AC_SUBST(APR_SOURCE_DIR)
	])


	dnl
	dnl APU_TEST_EXPAT(directory): test if Expat is located in the specified dir
	dnl
	dnl if present: sets expat_include_dir, expat_libs, possibly expat_old
	dnl
	AC_DEFUN(APU_TEST_EXPAT,[
	AC_MSG_CHECKING(for Expat in ifelse($2,,$1,$2))

	expat_libtool=""

	if test -r "$1/lib/expat.h.in"; then
	dnl Expat 1.95.* distribution
	expat_include_dir="$1/lib"
	expat_ldflags="-L$1/lib"
	expat_libs="-lexpat"
	expat_libtool="$1/lib/libexpat.la"
	elif test -r "$1/include/expat.h" -a \
	-r "$1/lib/libexpat.la"; then
	dnl Expat 1.95.* installation (with libtool)
	expat_include_dir="$1/include"
	expat_ldflags="-L$1/lib"
	expat_libs="-lexpat"
	expat_libtool="$1/lib/libexpat.la"
	elif test -r "$1/include/expat.h" -a \
	-r "$1/lib64/libexpat.la"; then
	dnl Expat 1.95.* installation on certain 64-bit platforms (with libtool)
	expat_include_dir="$1/include"
	expat_ldflags="-L$1/lib64"
	expat_libs="-lexpat"
	expat_libtool="$1/lib64/libexpat.la"
	elif test -r "$1/include/expat.h" -a \
	-r "$1/lib/libexpat.a"; then
	dnl Expat 1.95.* installation (without libtool)
	dnl FreeBSD textproc/expat2
	expat_include_dir="$1/include"
	expat_ldflags="-L$1/lib"
	expat_libs="-lexpat"
	elif test -r "$1/xmlparse.h"; then
	dnl maybe an expat-lite. use this dir for both includes and libs
	expat_include_dir="$1"
	expat_ldflags="-L$1"
	expat_libs="-lexpat"
	expat_libtool="$1/libexpat.la"
	expat_old=yes
	elif test -r "$1/include/xmlparse.h" -a \
	-r "$1/lib/libexpat.a"; then
	dnl previously installed expat
	expat_include_dir="$1/include"
	expat_ldflags="-L$1/lib"
	expat_libs="-lexpat"
	expat_old=yes
	elif test -r "$1/include/xml/xmlparse.h" -a \
	-r "$1/lib/xml/libexpat.a"; then
	dnl previously installed expat
	expat_include_dir="$1/include/xml"
	expat_ldflags="-L$1/lib"
	expat_libs="-lexpat"
	expat_old=yes
	elif test -r "$1/include/xmltok/xmlparse.h"; then
	dnl Debian distribution
	expat_include_dir="$1/include/xmltok"
	expat_ldflags="-L$1/lib"
	expat_libs="-lxmlparse -lxmltok"
	expat_old=yes
	elif test -r "$1/include/xml/xmlparse.h" -a \
	-r "$1/lib/libexpat.a"; then
	dnl FreeBSD textproc/expat package
	expat_include_dir="$1/include/xml"
	expat_ldflags="-L$1/lib"
	expat_libs="-lexpat"
	expat_old=yes
	elif test -r "$1/xmlparse/xmlparse.h"; then
	dnl Expat 1.0 or 1.1 source directory
	expat_include_dir="$1/xmlparse"
	expat_ldflags="-L$1"
	expat_libs="-lexpat"
	expat_old=yes
	fi
	dnl ### test for installed Expat 1.95.* distros

	if test -n "$expat_include_dir"; then
	dnl ### more info about what we found there? version? using .la?
	AC_MSG_RESULT(yes)
	else
	AC_MSG_RESULT(no)
	fi
	])


	dnl
	dnl APU_FIND_EXPAT: figure out where EXPAT is located (or use bundled)
	dnl
	AC_DEFUN(APU_FIND_EXPAT,[

	AC_ARG_WITH([expat],
	[ --with-expat=DIR specify Expat location], [
	if test "$withval" = "yes"; then
	AC_MSG_ERROR([a directory must be specified for --with-expat])
	elif test "$withval" = "no"; then
	AC_MSG_ERROR([Expat cannot be disabled (at this time)])
	else
	abs_expatdir="`cd $withval && pwd`"
	APU_TEST_EXPAT($abs_expatdir, $withval)
	if test -z "$expat_include_dir"; then
	AC_MSG_ERROR([Expat was not found (or recognized) in \"$withval\"])
	fi
	fi
	])

	if test -z "$expat_include_dir"; then
	for d in /usr /usr/local xml/expat-cvs xml/expat $srcdir/xml/expat ; do
	APU_TEST_EXPAT($d)
	if test -n "$expat_include_dir"; then
	dnl For /usr installs of expat, we can't specify -L/usr/lib
	if test "$d" = "/usr"; then
	expat_ldflags=""
	fi
	break
	fi
	done
	fi
	if test -z "$expat_include_dir"; then
	AC_MSG_ERROR([could not locate Expat. use --with-expat])
	fi

	dnl If this expat doesn't use libtool natively, we'll mimic it for our
	dnl dependency library generation.
	if test -z "$expat_libtool"; then
	expat_libtool="$expat_ldflags $expat_libs"
	fi

	if test -n "$expat_old"; then
	AC_DEFINE(APR_HAVE_OLD_EXPAT, 1, [define if Expat 1.0 or 1.1 was found])
	fi

	dnl special-case the bundled distribution (use absolute dirs)
	if test "$expat_include_dir" = "xml/expat/lib" -o "$expat_include_dir" = "xml/expat-cvs/lib"; then
	bundled_subdir="`echo $expat_include_dir \| sed -e 's%/lib%%'`"
	APR_SUBDIR_CONFIG($bundled_subdir, [--prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --includedir=$includedir --bindir=$bindir])
	expat_include_dir=$top_builddir/$bundled_subdir/lib
	expat_ldflags="-L$top_builddir/$bundled_subdir/lib"
	expat_libs="-lexpat"
	expat_libtool=$top_builddir/$bundled_subdir/lib/libexpat.la
	APR_XML_SUBDIRS="`echo $bundled_subdir \| sed -e 's%xml/%%'`"
	APR_ADDTO(APRUTIL_EXPORT_LIBS, [$expat_libtool])
	else
	if test "$expat_include_dir" = "$abs_srcdir/xml/expat/include" -o "$expat_include_dir" = "$abs_srcdir/xml/expat/lib"; then
	dnl This is a bit of a hack. This only works because we know that
	dnl we are working with the bundled version of the software.
	bundled_subdir="xml/expat"
	APR_SUBDIR_CONFIG($bundled_subdir, [--prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --includedir=$includedir --bindir=$bindir])
	expat_include_dir=$top_builddir/$bundled_subdir/lib
	expat_ldflags="-L$top_builddir/$bundled_subdir/lib"
	expat_libs="-lexpat"
	expat_libtool=$top_builddir/$bundled_subdir/lib/libexpat.la
	APR_XML_SUBDIRS="`echo $bundled_subdir \| sed -e 's%xml/%%'`"
	APR_ADDTO(APRUTIL_EXPORT_LIBS, [$expat_libtool])
	else
	APR_ADDTO(APRUTIL_EXPORT_LIBS, [$expat_libs])
	fi
	fi
	APR_XML_DIR=$bundled_subdir
	APR_XML_EXPAT_OLD=$expat_old
	AC_SUBST(APR_XML_SUBDIRS)
	AC_SUBST(APR_XML_DIR)
	AC_SUBST(APR_XML_EXPAT_OLD)

	if test "$expat_include_dir" != "/usr/include"; then
	APR_ADDTO(APRUTIL_INCLUDES, [-I$expat_include_dir])
	fi
	APR_ADDTO(APRUTIL_LDFLAGS, [$expat_ldflags])
	APR_ADDTO(APRUTIL_LIBS, [$expat_libtool])
	])


	dnl
	dnl Find a particular LDAP library
	dnl
	AC_DEFUN(APU_FIND_LDAPLIB,[
	if test ${apu_has_ldap} != "1"; then
	ldaplib=$1
	extralib=$2
	unset ac_cv_lib_${ldaplib}_ldap_init
	unset ac_cv_lib_${ldaplib}___ldap_init
	AC_CHECK_LIB(${ldaplib}, ldap_init,
	[
	APR_ADDTO(APRUTIL_EXPORT_LIBS,[-l${ldaplib} ${extralib}])
	APR_ADDTO(APRUTIL_LIBS,[-l${ldaplib} ${extralib}])
	AC_CHECK_LIB(${ldaplib}, ldapssl_install_routines, apu_has_ldap_netscape_ssl="1", , ${extralib})
	AC_CHECK_LIB(${ldaplib}, ldap_start_tls_s, apu_has_ldap_starttls="1", , ${extralib})
	apu_has_ldap="1";
	], , ${extralib})
	fi
	])


	dnl
	dnl APU_FIND_LDAP: figure out where LDAP is located
	dnl
	AC_DEFUN(APU_FIND_LDAP,[

	echo $ac_n "${nl}checking for ldap support..."

	apu_has_ldap="0";
	apu_has_ldap_netscape_ssl="0"
	apu_has_ldap_starttls="0"

	AC_ARG_WITH(ldap-include,[ --with-ldap-include=path path to ldap include files with trailing slash])
	AC_ARG_WITH(ldap-lib,[ --with-ldap-lib=path path to ldap lib file])
	AC_ARG_WITH(ldap,[ --with-ldap=library ldap library to use],
	[
	save_cppflags="$CPPFLAGS"
	save_ldflags="$LDFLAGS"
	save_libs="$LIBS"
	if test -n "$with_ldap_include"; then
	CPPFLAGS="$CPPFLAGS -I$with_ldap_include"
	APR_ADDTO(APRUTIL_INCLUDES, [-I$with_ldap_include])
	fi
	if test -n "$with_ldap_lib"; then
	LDFLAGS="$LDFLAGS -L$with_ldap_lib"
	APR_ADDTO(APRUTIL_LDFLAGS, [-L$with_ldap_lib])
	fi

	LIBLDAP="$withval"
	if test "$LIBLDAP" = "yes"; then
	dnl The iPlanet C SDK 5.0 is as yet untested...
	APU_FIND_LDAPLIB("ldap50", "-lnspr4 -lplc4 -lplds4 -liutil50 -llber50 -lldif50 -lnss3 -lprldap50 -lssl3 -lssldap50")
	APU_FIND_LDAPLIB("ldapssl41", "-lnspr3 -lplc3 -lplds3")
	APU_FIND_LDAPLIB("ldapssl40")
	APU_FIND_LDAPLIB("ldapssl30")
	APU_FIND_LDAPLIB("ldapssl20")
	APU_FIND_LDAPLIB("ldap", "-llber")
	APU_FIND_LDAPLIB("ldap", "-llber -lresolv")
	APU_FIND_LDAPLIB("ldap", "-llber -lresolv -lsocket -lnsl")
	APU_FIND_LDAPLIB("ldap", "-ldl -lpthread")
	else
	APU_FIND_LDAPLIB($LIBLDAP)
	APU_FIND_LDAPLIB($LIBLDAP, "-lresolv")
	APU_FIND_LDAPLIB($LIBLDAP, "-lresolv -lsocket -lnsl")
	APU_FIND_LDAPLIB($LIBLDAP, "-ldl -lpthread")
	fi

	test ${apu_has_ldap} != "1" && AC_MSG_ERROR(could not find an LDAP library)
	AC_CHECK_LIB(lber, ber_init)

	AC_CHECK_HEADERS(ldap.h, ldap_h=["#include <ldap.h>"])
	AC_CHECK_HEADERS(lber.h, lber_h=["#include <lber.h>"])
	AC_CHECK_HEADERS(ldap_ssl.h, ldap_ssl_h=["#include <ldap_ssl.h>"])

	CPPFLAGS=$save_cppflags
	LDFLAGS=$save_ldflags
	LIBS=$save_libs
	])

	AC_SUBST(ldap_h)
	AC_SUBST(lber_h)
	AC_SUBST(ldap_ssl_h)
	AC_SUBST(apu_has_ldap_netscape_ssl)
	AC_SUBST(apu_has_ldap_starttls)
	AC_SUBST(apu_has_ldap)

	])

	dnl
	dnl APU_CHECK_CRYPT_R_STYLE
	dnl
	dnl Decide which of a couple of flavors of crypt_r() is necessary for
	dnl this platform.
	dnl
	AC_DEFUN([APU_CHECK_CRYPT_R_STYLE], [

	AC_CACHE_CHECK([style of crypt_r], apr_cv_crypt_r_style,
	[AC_TRY_COMPILE([#include <crypt.h>],
	[CRYPTD buffer;
	crypt_r("passwd", "hash", &buffer);],
	[apr_cv_crypt_r_style=cryptd],
	[AC_TRY_COMPILE([#include <crypt.h>],
	[struct crypt_data buffer;
	crypt_r("passwd", "hash", &buffer);],
	[apr_cv_crypt_r_style=struct_crypt_data],
	[apr_cv_crypt_r_style=none])])])

	if test "$apr_cv_crypt_r_style" = "cryptd"; then
	AC_DEFINE(CRYPT_R_CRYPTD, 1, [Define if crypt_r has uses CRYPTD])
	elif test "$apr_cv_crypt_r_style" = "struct_crypt_data"; then
	AC_DEFINE(CRYPT_R_STRUCT_CRYPT_DATA, 1, [Define if crypt_r uses struct crypt_data])
	fi
	])