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102 lines
3.4 KiB
Plaintext
102 lines
3.4 KiB
Plaintext
dnl Check for LDAP
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dnl Copyright (C) 2005 Free Software Foundation, Inc.
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dnl
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl
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dnl Defines @GPGKEYS_LDAP@ to a executable name if a working ldap
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dnl setup is found, and sets @LDAPLIBS@ to the necessary libraries.
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AC_DEFUN([GNUPG_CHECK_LDAP],
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[
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# Try and link a LDAP test program to weed out unusable LDAP
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# libraries. -lldap [-llber [-lresolv]] is for older OpenLDAPs.
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# OpenLDAP, circa 1999, was terrible with creating weird dependencies.
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# If all else fails, the user can play guess-the-dependency by using
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# something like ./configure LDAPLIBS="-Lfoo -lbar"
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gnupg_have_ldap=no
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AC_ARG_WITH(ldap,
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AC_HELP_STRING([--with-ldap=DIR],[look for the LDAP library in DIR]),
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[_ldap_with=$withval])
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if test x$_ldap_with != xno ; then
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if test -d "$withval" ; then
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LDAP_CPPFLAGS="-I$withval/include"
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LDAP_LDFLAGS="-L$withval/lib"
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fi
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_ldap_save_cppflags=$CPPFLAGS
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CPPFLAGS="${LDAP_CPPFLAGS} ${CPPFLAGS}"
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_ldap_save_ldflags=$LDFLAGS
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LDFLAGS="${LDAP_LDFLAGS} ${LDFLAGS}"
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for MY_LDAPLIBS in ${LDAPLIBS+"$LDAPLIBS"} "-lldap" "-lldap -llber" "-lldap -llber -lresolv" "-lwldap32"; do
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_ldap_save_libs=$LIBS
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LIBS="$MY_LDAPLIBS $1 $LIBS"
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AC_MSG_CHECKING([whether LDAP via \"$MY_LDAPLIBS\" is present and sane])
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AC_TRY_LINK([
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#ifdef _WIN32
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#include <winsock2.h>
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#include <winldap.h>
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#else
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#include <ldap.h>
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#endif
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],[ldap_open("foobar",1234);],
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[gnupg_cv_func_ldap_init=yes],[gnupg_cv_func_ldap_init=no])
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AC_MSG_RESULT([$gnupg_cv_func_ldap_init])
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if test $gnupg_cv_func_ldap_init = no; then
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AC_MSG_CHECKING([whether I can make LDAP be sane with lber.h])
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AC_TRY_LINK([#include <lber.h>
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#include <ldap.h>],[ldap_open("foobar",1234);],
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[gnupg_cv_func_ldaplber_init=yes],[gnupg_cv_func_ldaplber_init=no])
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AC_MSG_RESULT([$gnupg_cv_func_ldaplber_init])
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fi
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if test "$gnupg_cv_func_ldaplber_init" = yes ; then
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AC_DEFINE(NEED_LBER_H,1,[Define if the LDAP library requires including lber.h before ldap.h])
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fi
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if test "$gnupg_cv_func_ldap_init" = yes || \
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test "$gnupg_cv_func_ldaplber_init" = yes ; then
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LDAPLIBS="$LDAP_LDFLAGS $MY_LDAPLIBS"
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GPGKEYS_LDAP="gpg2keys_ldap$EXEEXT"
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gnupg_have_ldap=yes
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AC_CHECK_FUNCS(ldap_get_option ldap_set_option)
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# The extra test for ldap_start_tls_sA is for W32 because
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# that is the actual function in the library.
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AC_CHECK_FUNCS(ldap_start_tls_s ldap_start_tls_sA)
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if test "$ac_cv_func_ldap_get_option" != yes ; then
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AC_MSG_CHECKING([whether LDAP supports ld_errno])
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AC_TRY_LINK([#include <ldap.h>],[LDAP *ldap; ldap->ld_errno;],
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[gnupg_cv_func_ldap_ld_errno=yes],
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[gnupg_cv_func_ldap_ld_errno=no])
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AC_MSG_RESULT([$gnupg_cv_func_ldap_ld_errno])
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if test "$gnupg_cv_func_ldap_ld_errno" = yes ; then
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AC_DEFINE(HAVE_LDAP_LD_ERRNO,1,[Define if the LDAP library supports ld_errno])
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fi
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fi
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fi
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LIBS=$_ldap_save_libs
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if test "$GPGKEYS_LDAP" != "" ; then break; fi
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done
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AC_SUBST(GPGKEYS_LDAP)
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AC_SUBST(LDAPLIBS)
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AC_SUBST(LDAP_CPPFLAGS)
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CPPFLAGS=$_ldap_save_cppflags
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LDFLAGS=$_ldap_save_ldflags
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fi
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])dnl
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