File: evo_ldap_check.m4

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evolution-data-server 3.22.7-1
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dnl EVO_LDAP_CHECK(default)
dnl Add --with-openldap and --with-static-ldap options. --with-openldap
dnl defaults to the given value if not specified. If LDAP support is
dnl configured, HAVE_LDAP will be defined and the automake conditional
dnl ENABLE_LDAP will be set. LDAP_CFLAGS and LDAP_LIBS will be set
dnl appropriately.
#serial 0.1
AC_DEFUN([EVO_LDAP_CHECK],[
	default="$1"
	AC_ARG_WITH([openldap],
		[AS_HELP_STRING([--with-openldap],
		[Enable LDAP support in evolution])])
	AC_ARG_WITH([static-ldap],
		[AS_HELP_STRING([--with-static-ldap],
		[Link LDAP support statically into evolution])])
	AC_CACHE_CHECK([for OpenLDAP], [ac_cv_with_openldap], [ac_cv_with_openldap="${with_openldap:=$default}"])
	case $ac_cv_with_openldap in
	no|"")
		with_openldap=no
		;;
	yes)
		with_openldap=/usr
		;;
	*)
		with_openldap=$ac_cv_with_openldap
		LDAP_CFLAGS="-I$ac_cv_with_openldap/include"
		LDAP_LDFLAGS="-L$ac_cv_with_openldap/lib"
		;;
	esac

	if test "$with_openldap" != no; then
		AC_DEFINE(HAVE_LDAP,1,[Define if you have LDAP support])

		case $with_static_ldap in
		no|"")
			with_static_ldap=no
			;;
		*)
			with_static_ldap=yes
			;;
		esac

		AC_CACHE_CHECK([if OpenLDAP is version 2.x], [ac_cv_openldap_version2], [
			CPPFLAGS_save="$CPPFLAGS"
			CPPFLAGS="$CPPFLAGS $LDAP_CFLAGS"
			AC_EGREP_CPP(yes, [
				#include "ldap.h"
				#if LDAP_VENDOR_VERSION > 20000
				yes
				#endif
			], [ac_cv_openldap_version2=yes], [ac_cv_openldap_version2=no])
			CPPFLAGS="$CPPFLAGS_save"
		])
		if test "$ac_cv_openldap_version2" = no; then
			AC_MSG_ERROR([evolution requires OpenLDAP version >= 2])
		fi

		AC_CHECK_LIB(resolv, res_query, [LDAP_LIBS="-lresolv"], [AC_CHECK_LIB(resolv, __res_query, [LDAP_LIBS="-lresolv"])])
		AC_CHECK_LIB(socket, bind, [LDAP_LIBS="$LDAP_LIBS -lsocket"])
		AC_CHECK_LIB(nsl, gethostbyaddr, [LDAP_LIBS="$LDAP_LIBS -lnsl"])
		AC_CHECK_LIB(lber, ber_get_tag, [
			if test "$with_static_ldap" = "yes"; then
				LDAP_LIBS="$with_openldap/lib/liblber.a $LDAP_LIBS"

				# libldap might depend on OpenSSL... We need to pull
				# in the dependency libs explicitly here since we're
				# not using libtool for the configure test.
				if test -f $with_openldap/lib/libldap.la; then
					LDAP_LIBS="`. $with_openldap/lib/libldap.la; echo $dependency_libs` $LDAP_LIBS"
				fi
			else
				LDAP_LIBS="-llber $LDAP_LIBS"
			fi
			AC_CHECK_LIB(ldap, ldap_open, [
					if test $with_static_ldap = "yes"; then
						LDAP_LIBS="$with_openldap/lib/libldap.a $LDAP_LIBS"
					else
						LDAP_LIBS="-lldap $LDAP_LIBS"
					fi],
				[LDAP_LIBS=""], [$LDAP_LDFLAGS $LDAP_LIBS])
			LDAP_LIBS="$LDAP_LDFLAGS $LDAP_LIBS"
		], [LDAP_LIBS=""], [$LDAP_LDFLAGS $LDAP_LIBS])

		if test -z "$LDAP_LIBS"; then
			AC_MSG_ERROR([could not find OpenLDAP libraries])
		fi

		AC_SUBST(LDAP_CFLAGS)
		AC_SUBST(LDAP_LIBS)
	fi
	AM_CONDITIONAL(ENABLE_LDAP, test "$with_openldap" != "no")
])