| 1 | # $Id: external_lookup.m4,v 1.4 2011/02/09 15:50:28 sbajic Exp $ |
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| 2 | # m4/external_lookup.m4 |
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| 3 | # Hugo Monteiro <hugo.monteiro@javali.pt> |
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| 4 | # |
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| 5 | # DS_EXT_LOOKUP() |
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| 6 | # |
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| 7 | # Activate external user lookup |
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| 8 | # |
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| 9 | AC_DEFUN([DS_EXT_LOOKUP], |
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| 10 | [ |
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| 11 | |
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| 12 | AC_ARG_ENABLE(external-lookup, |
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| 13 | [AS_HELP_STRING(--enable-external-lookup, |
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| 14 | Enable external lookup support |
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| 15 | )]) |
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| 16 | AC_MSG_CHECKING([whether to enable external lookup support]) |
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| 17 | case x"$enable_external_lookup" in |
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| 18 | xyes) # external lookup enabled explicity |
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| 19 | ;; |
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| 20 | xno) # external lookup disabled explicity |
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| 21 | ;; |
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| 22 | x) # external lookup disabled by default |
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| 23 | enable_external_lookup=no |
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| 24 | ;; |
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| 25 | *) AC_MSG_ERROR([unexpected value $enable_external_lookup for --{enable,disable}-external-lookup configure option]) |
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| 26 | ;; |
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| 27 | esac |
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| 28 | if test x"$enable_external_lookup" != xyes |
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| 29 | then |
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| 30 | enable_external_lookup=no |
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| 31 | AC_MSG_RESULT([$enable_external_lookup]) |
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| 32 | else |
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| 33 | enable_external_lookup=yes # overkill, but convenient |
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| 34 | AC_MSG_RESULT([$enable_external_lookup]) |
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| 35 | AC_DEFINE(EXT_LOOKUP, 1, [Defined if external lookup is enabled]) |
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| 36 | |
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| 37 | # Check for LDAP and LDAP version |
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| 38 | AC_CHECK_HEADERS([lber.h ldap.h]) |
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| 39 | if test x"$ac_cv_header_ldap_h" = "xyes" -a x"$ac_cv_header_lber_h" = "xyes" |
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| 40 | then |
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| 41 | AC_CHECK_LIB(lber, ber_alloc,AC_DEFINE([HAVE_LIBLBER], [1], [Define if you have liblber])) |
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| 42 | AC_CHECK_LIB(ldap, ldap_init,AC_DEFINE([HAVE_LIBLDAP], [1], [Define if you have libldap])) |
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| 43 | fi |
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| 44 | if test x"$ac_cv_lib_lber_ber_alloc" = "xyes" -a x"$ac_cv_lib_ldap_ldap_init" = "xyes" |
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| 45 | then |
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| 46 | AC_MSG_CHECKING([for OpenLDAP version >= 2.2.0]) |
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| 47 | AC_COMPILE_IFELSE([ |
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| 48 | AC_LANG_PROGRAM([[ |
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| 49 | #include <lber.h> |
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| 50 | #include <ldap.h> |
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| 51 | ]],[[ |
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| 52 | LDAPAPIInfo info; |
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| 53 | #ifdef LDAP_API_INFO_VERSION |
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| 54 | info.ldapai_info_version = LDAP_API_INFO_VERSION; |
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| 55 | #else |
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| 56 | info.ldapai_info_version = 1; |
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| 57 | #endif |
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| 58 | if(ldap_get_option(NULL, LDAP_OPT_API_INFO, &info) != LDAP_SUCCESS) |
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| 59 | return 1; |
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| 60 | if(info.ldapai_vendor_version != LDAP_VENDOR_VERSION || LDAP_VENDOR_VERSION < 20204) |
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| 61 | return 1; |
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| 62 | return 0; |
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| 63 | ]]) |
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| 64 | ],[ |
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| 65 | AC_MSG_RESULT([yes]) |
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| 66 | have_ldap_version=yes |
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| 67 | ],[ |
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| 68 | AC_MSG_RESULT([no]) |
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| 69 | have_ldap_version=no |
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| 70 | ],[ # cross-compilation |
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| 71 | AC_MSG_ERROR([cross-compilation is unsupported, sorry]) |
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| 72 | have_ldap_version=no |
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| 73 | ]) |
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| 74 | fi |
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| 75 | AC_MSG_CHECKING([whether to enable LDAP support in external lookup]) |
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| 76 | if test x"$have_ldap_version" != "xyes" ; then |
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| 77 | AC_MSG_RESULT([no]) |
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| 78 | else |
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| 79 | AC_MSG_RESULT([yes]) |
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| 80 | external_lookup_libs="-lldap -llber" |
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| 81 | AC_SUBST(external_lookup_libs) |
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| 82 | AC_DEFINE(USE_LDAP, 1, [Defined if LDAP is found]) |
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| 83 | fi |
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| 84 | |
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| 85 | fi |
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| 86 | ]) |
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