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[mod_auth_kerb.git] / configure.in
1 # Process this file with autoconf to produce a configure script.
2 AC_REVISION($Revision$)
3 AC_PREREQ(2.53)
4 AC_INIT(mod_auth_kerb, 0.5-rc3, modauthkerb-developers@lists.sourceforge.net)
5 AC_CONFIG_SRCDIR([src/mod_auth_kerb.c])
6 AC_CONFIG_HEADER([config.h])
7
8 # Checks for programs.
9 AC_PROG_CC
10 AC_PROG_MAKE_SET
11
12 # Checks for libraries.
13 # FIXME: Replace `main' with a function in `-lresolv':
14 LIB_resolv=""
15 AC_CHECK_LIB([resolv], [main], [LIB_resolv=-lresolv])
16 AC_SUBST(LIB_resolv)
17
18 # Checks for header files.
19 AC_HEADER_STDC
20 AC_CHECK_HEADERS([limits.h netdb.h stddef.h stdlib.h string.h unistd.h])
21
22 # Checks for typedefs, structures, and compiler characteristics.
23 #AC_C_CONST
24 AC_TYPE_SIZE_T
25 AC_STRUCT_TM
26
27 # Checks for library functions.
28 #AC_FUNC_MALLOC
29 #AC_FUNC_MEMCMP
30 #AC_CHECK_FUNCS([gethostbyname memset putenv strcasecmp strchr strdup strerror])
31
32 #
33 # kerberos5 enviroment
34 #
35 KRB5_CPPFLAGS=""
36 KRB5_LDFLAGS=""
37 krb5_config_command=krb5-config
38 DO_KRB5=
39
40 AC_ARG_WITH(krb5,
41   AC_HELP_STRING([--with-krb5=dir],[use krb5 in dir]),
42   [ with_krb5="$withval" ])
43
44 if test "x$with_krb5" != "xno" ; then
45   AC_MSG_CHECKING([for Kerberos5 installation])
46   if test "x$with_krb5" != "x"; then
47      if test ! -x "$with_krb5/bin/krb5-config"; then
48         AC_MSG_ERROR([failed to find krb5-config in $with_krb5/bin])
49      fi
50      krb5_config_command="$with_krb5/bin/krb5-config"
51   fi
52
53   KRB5_CPPFLAGS=`$krb5_config_command --cflags gssapi 2>/dev/null`
54   KRB5_LDFLAGS=`$krb5_config_command --libs gssapi 2>/dev/null`
55   if test "x$KRB5_LDFLAGS" = "x"; then
56      with_krb5=no
57      AC_MSG_RESULT(no)
58   else
59      AC_MSG_RESULT(yes)
60
61      ac_save_CFLAGS=$CFLAGS
62      ac_save_LDFLAGS=$LDFLAGS
63      ac_save_LIBS=$LIBS
64      CFLAGS="$CFLAGS $KRB5_CPPFLAGS"
65      LDFLAGS="$LDFLAGS $KRB5_LDFLAGS"
66      LIBS="$LIBS $LDFLAGS $LIB_resolv"
67
68      AC_CHECK_LIB(krb5, krb5_init_context, [], [with_krb5=no])
69
70      if test "x$with_krb5" != "xno"; then
71         # check if krb5_cc_gen_new() is implemented by the krb5 library
72         AC_CHECK_FUNC(krb5_cc_gen_new, [AC_DEFINE(HAVE_KRB5_CC_GEN_NEW)])
73
74         # check for Heimdal
75         AC_MSG_CHECKING(whether we are using Heimdal)
76         AC_TRY_COMPILE([#include <krb5.h>],
77                        [ char *tmp = heimdal_version; ],
78                        [ AC_MSG_RESULT(yes)
79                          AC_DEFINE(HEIMDAL) ],
80                        [ AC_MSG_RESULT(no) ])
81      fi
82
83      CFLAGS=$ac_save_CFLAGS
84      LDFLAGS=$ac_save_LDFLAGS
85      LIBS=$ac_save_LIBS
86      AC_DEFINE(KRB5)
87      DO_KRB5=yes
88   fi
89 fi
90 AC_SUBST(KRB5_CPPFLAGS)
91 AC_SUBST(KRB5_LDFLAGS)
92 AC_SUBST(DO_KRB5)
93
94 #
95 # Kerberos4 enviroment
96 #
97 KRB4_CPPFLAGS=""
98 KRB4_LDFLAGS=""
99
100 AC_ARG_WITH(krb4,
101   AC_HELP_STRING([--with-krb4=dir], [use krb4 in dir]),
102   [ with_krb4="$withval" ])
103
104 if test "x$with_krb4" != "xno"; then
105   AC_MSG_CHECKING([for Kerberos4 installation])
106   if test "x$with_krb4" != "x"; then
107      if test -x "$with_krb4/bin/krb4-config"; then
108         KRB4_CPPFLAGS=`$with_krb4/bin/krb4-config --cflags krb4 2>/dev/null`
109         KRB4_LDFLAGS=`$with_krb4/bin/krb4-config --libs krb4 2>/dev/null`
110      elif test -x "$with_krb4/bin/krb5-config"; then
111         KRB4_CPPFLAGS=`$with_krb4/bin/krb5-config --cflags krb4 2>/dev/null`
112         KRB4_LDFLAGS=`$with_krb4/bin/krb5-config --libs krb4 2>/dev/null`
113      else
114         AC_MSG_ERROR([failed to find krb4-config or krb5-config in $with_krb4/bin])
115      fi
116   else
117      KRB4_CPPFLAGS=`krb4-config --cflags krb4 2>/dev/null`
118      KRB4_LDFLAGS=`krb4-config --libs krb4 2>/dev/null`
119      if test "x$KRB4_LDFLAGS" = "x"; then
120         KRB4_CPPFLAGS=`$krb5_config_command --cflags krb4 2>/dev/null`
121         KRB4_LDFLAGS=`$krb5_config_command --libs krb4 2>/dev/null`
122         if test $? -ne 0; then
123            KRB4_CPPFLAGS=""
124            KRB4_LDFLAGS=""
125         fi
126      fi
127   fi
128   if test "x$KRB4_LDFLAGS" = "x"; then
129      with_krb4=no
130      AC_MSG_RESULT(no)
131   else
132      AC_MSG_RESULT(yes)
133
134      ac_save_CFLAGS=$CFLAGS
135      ac_save_CPPFLAGS=$CPPFLAGS
136      ac_save_LDFLAGS=$LDFLAGS
137      ac_save_LIBS=$LIBS
138      CFLAGS="$CFLAGS $KRB4_CPPFLAGS"
139      CPPFLAGS="$CFLAGS $KRB4_CPPFLAGS"
140      LDFLAGS="$LDFLAGS $KRB4_LDFLAGS"
141      LIBS="$LIBS $LDFLAGS $LIB_resolv"
142
143 #    if not found krb.h suppose it's in the kerberosIV subdirectory
144      AC_CHECK_HEADER(krb.h, , with_krb4=no)
145      if test "x$with_krb4" = "xno"; then
146          KRB4_CPPFLAGS="$KRB4_CPPFLAGS ${KRB4_CPPFLAGS}/kerberosIV"
147 #        second run of AC_CHECK_HEADER for the same library returns the cached
148 #        result created by previous run :-(
149          AC_CHECK_HEADER(kerberosIV/krb.h, with_krb4=yes,
150                          [  with_krb4=no
151                             KRB4_CPPFLAGS=""
152                             KRB4_LDFLAGS=""])
153      fi
154
155      if test "x$with_krb4" != "xno"; then
156         AC_CHECK_LIB(krb4, krb_get_pw_in_tkt, [], [with_krb4=no])
157         if test "x$with_krb4" = "xno"; then
158            AC_CHECK_LIB(krb, krb_get_pw_in_tkt, [with_krb4=yes], 
159                         [with_krb4=no
160                          KRB4_CPPFLAGS=""
161                          KRB4_LDFLAGS=""])
162         fi
163      fi
164
165      CFLAGS=$ac_save_CFLAGS
166      CPPFLAGS=$ac_save_CPPFLAGS
167      LDFLAGS=$ac_save_LDFLAGS
168      LIBS=$ac_save_LIBS
169
170      AC_DEFINE(KRB4)
171   fi
172 fi
173 AC_SUBST(KRB4_CPPFLAGS)
174 AC_SUBST(KRB4_LDFLAGS)
175
176
177 if test "x$with_krb5" = "xno" -a "x$with_krb4" = "xno"; then
178   AC_MSG_ERROR([No Kerberos enviroment found])
179 fi
180
181 #
182 # Apache enviroment
183 #
184 AC_ARG_WITH(apache,
185   AC_HELP_STRING([--with-apache=dir],[use apache in dir]),
186   [ with_apache="$withval" ])
187
188 AC_MSG_CHECKING([for Apache installation])
189
190 APXS="apxs"
191 HTTPD="httpd"
192 if test "x$with_apache" != "x"; then
193   if test ! -x "$with_apache/bin/httpd" -o ! -x "$with_apache/bin/apxs"; then
194      AC_MSG_ERROR([failed to find apache files in $with_apache])
195   fi
196   APXS="$with_apache/bin/apxs"
197   if test ! -x $APXS; then
198      APXS="$with_apache/sbin/apxs"
199   fi
200   HTTPD="$with_apache/bin/httpd"
201   if test ! -x $HTTPD; then
202      HTTPD"$with_apache/sbin/httpd"
203   fi
204 fi
205
206 apache_v1_3=`$HTTPD -v | grep "^Server version: Apache/1.3."`
207 apache_v2_0=`$HTTPD -v | grep "^Server version: Apache/2.0."`
208 if test "x$apache_v1_3" = "x" -a "x$apache_v2_0" = "x"; then
209   AC_MSG_ERROR([cannot find valid apache installation on your system])
210 fi
211 if test -n "$apache_v1_3"; then
212   AC_DEFINE(APXS1)
213 fi
214 AC_MSG_RESULT(yes)
215
216 AC_SUBST(APXS)
217
218 AC_CONFIG_FILES([Makefile
219                  spnegokrb5/Makefile])
220
221 AC_OUTPUT