1 dnl $Id: gssapi-check.m4,v 1.3 2005-04-28 20:50:05 bfernhomberg Exp $
2 dnl Autoconf macro to check for kerberos
4 AC_DEFUN([NETATALK_GSSAPI_CHECK],
11 [ --with-gssapi[[=PATH]] path to GSSAPI for Kerberos V UAM [[auto]]],
12 [compilegssapi=$withval],
16 if test x"$compilegssapi" != x"no"; then
17 if test "x$compilegssapi" != "xyes" -a "x$compilegssapi" != "xauto"; then
18 GSSAPI_CFLAGS="-I$withval/include"
19 GSSAPI_CPPFLAGS="-I$withval/include"
20 GSSAPI_LDFLAGS="-L$withval/${atalk_libname}"
22 AC_MSG_CHECKING([checking for GSSAPI support in])
23 AC_MSG_RESULT([$compilegssapi])
27 # Do no harm to the values of CFLAGS and LIBS while testing for
31 save_CPPFLAGS=$CPPFLAGS
35 if test x$FOUND_GSSAPI = x"no"; then
36 #################################################
37 # check for krb5-config from recent MIT and Heimdal kerberos 5
38 AC_PATH_PROG(KRB5_CONFIG, krb5-config)
39 AC_MSG_CHECKING(for working krb5-config)
40 if test -x "$KRB5_CONFIG"; then
41 CFLAGS=""; export CFLAGS
42 LDFLAGS=""; export LDFLAGS
43 TEMP="`$KRB5_CONFIG --libs gssapi`"
44 if test $? -eq 0 ; then
45 GSSAPI_CFLAGS="`$KRB5_CONFIG --cflags | sed s/@INCLUDE_des@//`"
46 GSSAPI_CPPFLAGS="`$KRB5_CONFIG --cflags | sed s/@INCLUDE_des@//`"
51 AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
53 CFLAGS=$save_CFLAGS; export CFLAGS
54 LDFLAGS=$save_LDFLAGS; export LDFLAGS
56 AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
60 if test x$FOUND_GSSAPI = x"no"; then
61 #################################################
62 # see if this box has the SuSE location for the heimdal krb implementation
63 AC_MSG_CHECKING(for /usr/include/heimdal)
64 if test -d /usr/include/heimdal; then
65 if test -f /usr/lib/heimdal/lib/libkrb5.a; then
66 GSSAPI_CFLAGS="-I/usr/include/heimdal"
67 GSSAPI_CPPFLAGS="-I/usr/include/heimdal"
68 GSSAPI_LDFLAGS="-L/usr/lib/heimdal/lib"
72 GSSAPI_CFLAGS="-I/usr/include/heimdal"
73 GSSAPI_CPPFLAGS="-I/usr/include/heimdal"
82 if test x$FOUND_GSSAPI = x"no"; then
83 #################################################
84 # see if this box has the RedHat location for kerberos
85 AC_MSG_CHECKING(for /usr/kerberos)
86 if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
87 GSSAPI_LDFLAGS="-L/usr/kerberos/lib"
88 GSSAPI_CFLAGS="-I/usr/kerberos/include"
89 GSSAPI_CPPFLAGS="-I/usr/kerberos/include"
96 CFLAGS="$GSSAPI_CFLAGS"
97 CPPFLAGS="$GSSAPI_CPPFLAGS"
98 LDFLAGS="$GSSAPI_LDFLAGS"
101 # check for gssapi headers
104 AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_krb5.h,[gss_headers_found=yes],[],[])
105 if test x"$gss_headers_found" = x"no"; then
106 AC_MSG_ERROR([GSSAPI installation not found, headers missing])
111 AC_CHECK_LIB(gssapi, gss_display_status)
112 AC_CHECK_LIB(gssapi_krb5, gss_display_status)
113 AC_CHECK_LIB(gss, gss_display_status)
115 # check for functions
117 AC_CHECK_FUNC(gss_acquire_cred,[],[AC_MSG_ERROR([GSSAPI: required function gss_acquire_cred missing])])
119 # Heimdal/MIT compatibility fix
120 if test "$ac_cv_header_gssapi_h" = "yes"; then
121 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,[Wheter GSS_C_NT_HOSTBASED_SERVICE is in gssapi.h]))
123 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,[Wheter GSS_C_NT_HOSTBASED_SERVICE is in gssapi.h]))
127 AC_MSG_CHECKING(whether GSSAPI support is used)
128 if test x"$ac_cv_func_gss_acquire_cred" = x"yes"; then
129 AC_DEFINE(HAVE_GSSAPI,1,[Whether to enable GSSAPI support])
131 # GSSAPI_LIBS="$LDFLAGS $LIBS"
134 if test x"$compilegssapi" = x"yes"; then
135 AC_MSG_ERROR([GSSAPI installation not found])
141 CFLAGS="$save_CFLAGS"
142 LDFLAGS="$save_LDFLAGS"
143 CPPFLAGS="$save_CPPFLAGS"
146 if test x"$ac_cv_func_gss_acquire_cred" = x"yes"; then
147 ifelse([$1], , :, [$1])
149 ifelse([$2], , :, [$2])
153 AC_SUBST(GSSAPI_LIBS)
154 AC_SUBST(GSSAPI_CFLAGS)
155 AC_SUBST(GSSAPI_LDFLAGS)