Try also locating apxs2 binary if apxs isn't found
[mod_auth_kerb.git] / configure.in
index c86e063..ea8c2e7 100644 (file)
@@ -1,7 +1,7 @@
 # Process this file with autoconf to produce a configure script.
 AC_REVISION($Revision$)
-AC_PREREQ(2.53)
-AC_INIT(mod_auth_kerb, 0.5-rc4, modauthkerb-developers@lists.sourceforge.net)
+AC_PREREQ(2.57)
+AC_INIT(mod_auth_kerb, 5.0-rc7, modauthkerb-developers@lists.sourceforge.net)
 AC_CONFIG_SRCDIR([src/mod_auth_kerb.c])
 AC_CONFIG_HEADER([config.h])
 
@@ -32,8 +32,6 @@ AC_STRUCT_TM
 #
 # kerberos5 enviroment
 #
-KRB5_CPPFLAGS=""
-KRB5_LDFLAGS=""
 krb5_config_command=krb5-config
 SPNEGO_SRCS=""
 
@@ -42,73 +40,147 @@ AC_ARG_WITH(krb5,
   [ with_krb5="$withval" ])
 
 if test "x$with_krb5" != "xno" ; then
-  AC_MSG_CHECKING([for Kerberos5 installation])
-  if test "x$with_krb5" != "x"; then
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  ac_save_LDFLAGS="$LDFLAGS"
+  ac_save_LIBS="$LIBS"
+   
+  if test -n "$with_krb5"; then
      if test -x "$with_krb5/bin/krb5-config"; then
         krb5_config_command="$with_krb5/bin/krb5-config"
-     else 
-        ac_save_cflags=$CFLAGS
-        CFLAGS="-I$with_krb5/include"
-        AC_TRY_COMPILE([#include <krb5.h>],
-                       [ char *tmp = heimdal_version; ],
-                       [ KRB5_LDFLAGS="-L$with_krb5/lib -lgssapi -lkrb5 -lasn1 -ldes -lcrypt" ],
-                       [ KRB5_LDFLAGS="-L$with_krb5/lib -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err" ])
-        KRB5_CPPFLAGS="-I$with_krb5/include"
-        CFLAGS="$ac_save_cflags"
+     else
         krb5_config_command=""
      fi
   fi
 
-  if test -n "$krb5_config_command"; then
-     KRB5_CPPFLAGS=`$krb5_config_command --cflags gssapi 2>/dev/null`
-     KRB5_LDFLAGS=`$krb5_config_command --libs gssapi 2>/dev/null`
+  dnl
+  dnl find header files
+  dnl
+
+  if test -z "$KRB5_CPPFLAGS"; then
+     TMP_KRB5_CPPFLAGS=""
+     if test -n "$krb5_config_command"; then
+        TMP_KRB5_CPPFLAGS=`$krb5_config_command --cflags gssapi 2>/dev/null`
+     fi
+     if test -z "$TMP_KRB5_CPPFLAGS"; then
+        TMP_KRB5_CPPFLAGS="-I$with_krb5/include"
+     fi
+     CPPFLAGS="$CPPFLAGS $TMP_KRB5_CPPFLAGS"
+     AC_CHECK_HEADERS(gssapi.h, 
+                      [ KRB5_CPPFLAGS="$TMP_KRB5_CPPFLAGS" ])
+     if test -z "$KRB5_CPPFLAGS"; then
+        AC_CHECK_HEADERS(gssapi/gssapi.h, 
+                         [ KRB5_CPPFLAGS="$TMP_KRB5_CPPFLAGS" ])
+     fi
+     CPPFLAGS="$ac_save_CPPFLAGS" 
+  fi
+
+  dnl
+  dnl find libraries
+  dnl
+
+  if test -z "$KRB5_LDFLAGS" -a -n "$krb5_config_command"; then
+     TMP_KRB5_LDFLAGS=`$krb5_config_command --libs gssapi 2>/dev/null`
+     if test -n "$TMP_KRB5_LDFLAGS"; then
+        LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
+        AC_CHECK_LIB(krb5, krb5_init_context,
+                     [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
+        LIBS="$ac_save_LIBS"
+     fi
+  fi
+
+  if test -z "$KRB5_LDFLAGS"; then
+     #try MIT
+     TMP_KRB5_LDFLAGS="-L$with_krb5/lib -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err"
+     LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
+     AC_CHECK_LIB(krb5, krb5_init_context, [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
+     LIBS="$ac_save_LIBS"
   fi
-  if test "x$KRB5_LDFLAGS" = "x"; then
+
+  if test -z "$KRB5_LDFLAGS"; then
+     #Try Heimdal
+     TMP_KRB5_LDFLAGS="-L$with_krb5/lib -lgssapi -lkrb5 -lasn1 -lcrypto -lroken -lcrypt"
+     LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
+     AC_CHECK_LIB(krb5, krb5_init_context, [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
+     LIBS="$ac_save_LIBS"
+  fi
+
+  if test -z "$KRB5_LDFLAGS"; then
+     #Try Heimdal on OpenBSD
+     TMP_KRB5_LDFLAGS="-L$with_krb5/lib -lgssapi -lkrb5 -lasn1 -ldes -lcrypto"
+     LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
+     AC_CHECK_LIB(krb5, krb5_init_context, [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
+     LIBS="$ac_save_LIBS"
+  fi
+
+  if test -z "$KRB5_LDFLAGS"; then
      with_krb5=no
-     AC_MSG_RESULT(no)
   else
-     AC_MSG_RESULT(yes)
-
-     ac_save_CFLAGS=$CFLAGS
-     ac_save_LDFLAGS=$LDFLAGS
-     ac_save_LIBS=$LIBS
-     CFLAGS="$CFLAGS $KRB5_CPPFLAGS"
-     LDFLAGS="$LDFLAGS $KRB5_LDFLAGS"
-     LIBS="$LIBS $LDFLAGS $LIB_resolv"
+     with_krb5=yes
+     AC_DEFINE(KRB5)
 
-     AC_CHECK_LIB(krb5, krb5_init_context, [], [with_krb5=no])
+     # check for Heimdal
+     have_heimdal=""
+     AC_MSG_CHECKING(whether we are using Heimdal)
+     ac_save_CFLAGS="$CFLAGS"
+     CFLAGS="$KRB5_CPPFLAGS"
+     AC_TRY_COMPILE([#include <krb5.h>],
+                   [ char *tmp = heimdal_version; ],
+                   [ AC_MSG_RESULT(yes)
+                     AC_DEFINE(HEIMDAL)
+                     have_heimdal=yes ],
+                   [ AC_MSG_RESULT(no) ])
+     CFLAGS="$ac_save_CFLAGS"
 
-     if test "x$with_krb5" != "xno"; then
-        # check for Heimdal
-        AC_MSG_CHECKING(whether we are using Heimdal)
-       AC_TRY_COMPILE([#include <krb5.h>],
-                      [ char *tmp = heimdal_version; ],
+# If SPNEGO is supported by the gssapi libraries, we shouln't build our support.
+# SPNEGO is supported as of Heimdal 0.7, don't know about MIT.
+     gssapi_supports_spnego=""
+     AC_MSG_CHECKING(whether the GSSAPI libraries support SPNEGO)
+     # Invent some better test
+     if test "$have_heimdal" = yes; then
+       ac_save_CFLAGS="$CFLAGS"
+       CFLAGS="$KRB5_CPPFLAGS"
+       AC_TRY_COMPILE([#include <gssapi.h>],
+                      [ gss_OID oid = GSS_SPNEGO_MECHANISM; ],
                       [ AC_MSG_RESULT(yes)
-                        AC_DEFINE(HEIMDAL) ],
+                        AC_DEFINE(GSSAPI_SUPPORTS_SPNEGO)
+                        gssapi_supports_spnego=yes ],
                       [ AC_MSG_RESULT(no) ])
+       CFLAGS="$ac_save_CFLAGS"
+     else
+       AC_MSG_RESULT(no)
      fi
 
-     CFLAGS=$ac_save_CFLAGS
-     LDFLAGS=$ac_save_LDFLAGS
-     LIBS=$ac_save_LIBS
-     AC_DEFINE(KRB5)
-     SPNEGO_SRCS="\
-       spnegokrb5/asn1_MechType.c         \
-        spnegokrb5/asn1_MechTypeList.c     \
-        spnegokrb5/asn1_ContextFlags.c     \
-        spnegokrb5/asn1_NegTokenInit.c     \
-        spnegokrb5/asn1_NegTokenTarg.c     \
-        spnegokrb5/der_get.c               \
-        spnegokrb5/der_put.c               \
-        spnegokrb5/der_free.c              \
-        spnegokrb5/der_length.c            \
-        spnegokrb5/der_copy.c              \
-        spnegokrb5/timegm.c                \
-        spnegokrb5/init_sec_context.c      \
-        spnegokrb5/accept_sec_context.c    \
-        spnegokrb5/encapsulate.c           \
-        spnegokrb5/decapsulate.c           \
-        spnegokrb5/external.c"
+     if test -z "$gssapi_supports_spnego"; then
+       if test -n "$have_heimdal"; then SPNEGO_SRCS="\
+               spnegokrb5/asn1_MechType.c         \
+               spnegokrb5/asn1_MechTypeList.c     \
+               spnegokrb5/asn1_ContextFlags.c     \
+               spnegokrb5/asn1_NegTokenInit.c     \
+               spnegokrb5/asn1_NegTokenTarg.c     \
+               spnegokrb5/init_sec_context.c      \
+               spnegokrb5/accept_sec_context.c    \
+               spnegokrb5/encapsulate.c           \
+               spnegokrb5/decapsulate.c           \
+               spnegokrb5/external.c"
+       else SPNEGO_SRCS="\
+               spnegokrb5/asn1_MechType.c         \
+               spnegokrb5/asn1_MechTypeList.c     \
+               spnegokrb5/asn1_ContextFlags.c     \
+               spnegokrb5/asn1_NegTokenInit.c     \
+               spnegokrb5/asn1_NegTokenTarg.c     \
+               spnegokrb5/der_get.c               \
+               spnegokrb5/der_put.c               \
+               spnegokrb5/der_free.c              \
+               spnegokrb5/der_length.c            \
+               spnegokrb5/der_copy.c              \
+               spnegokrb5/timegm.c                \
+               spnegokrb5/init_sec_context.c      \
+               spnegokrb5/accept_sec_context.c    \
+               spnegokrb5/encapsulate.c           \
+               spnegokrb5/decapsulate.c           \
+               spnegokrb5/external.c"
+       fi
+     fi
   fi
 fi
 AC_SUBST(KRB5_CPPFLAGS)
@@ -118,8 +190,6 @@ AC_SUBST(SPNEGO_SRCS)
 #
 # Kerberos4 enviroment
 #
-KRB4_CPPFLAGS=""
-KRB4_LDFLAGS=""
 
 AC_ARG_WITH(krb4,
   AC_HELP_STRING([--with-krb4=dir], [use krb4 in dir]),
@@ -140,7 +210,7 @@ if test "x$with_krb4" != "xno"; then
   else
      KRB4_CPPFLAGS=`krb4-config --cflags krb4 2>/dev/null`
      KRB4_LDFLAGS=`krb4-config --libs krb4 2>/dev/null`
-     if test "x$KRB4_LDFLAGS" = "x"; then
+     if test "x$KRB4_LDFLAGS" = "x" -a -n "$krb5_config_command"; then
         KRB4_CPPFLAGS=`$krb5_config_command --cflags krb4 2>/dev/null`
         KRB4_LDFLAGS=`$krb5_config_command --libs krb4 2>/dev/null`
         if test $? -ne 0; then
@@ -209,52 +279,13 @@ AC_ARG_WITH(apache,
   AC_HELP_STRING([--with-apache=dir],[use apache in dir]),
   [ with_apache="$withval" ])
 
-AC_MSG_CHECKING([for Apache installation])
-HTTPD=""
-APXS=""
-if test -n "$with_apache"; then
-  apache_dirs="$with_apache/sbin $with_apache/bin"
-else
-# XXX the PATH variable should be used rather
-  apache_dirs="/usr/local/sbin /usr/local/bin /usr/sbin /usr/bin"
-fi
-
-for dir in $apache_dirs; do
-  if test -z "$HTTPD"; then
-     for name in apache2 apache httpd; do
-        if test -x "$dir/$name"; then
-           HTTPD="$dir/$name"
-           break
-        fi
-     done
-  fi
-  if test -z "$APXS"; then
-     for name in apxs2 apxs; do
-        if test -x "$dir/$name"; then
-           APXS="$dir/$name"
-           break
-        fi
-     done
-  fi
-done
-
-if test -z "$HTTPD"; then
-   AC_MSG_ERROR([failed to find apache httpd executable])
-fi
+AC_PATH_PROG([APXS], [apxs], [], [$with_apache/bin:$with_apache/sbin:$PATH])
 if test -z "$APXS"; then
-   AC_MSG_ERROR([failed to find apache apxs executable])
-fi
-
-apache_v1_3=`$HTTPD -v | grep "^Server version: Apache/1.3."`
-apache_v2_0=`$HTTPD -v | grep "^Server version: Apache/2.0."`
-if test "x$apache_v1_3" = "x" -a "x$apache_v2_0" = "x"; then
-  AC_MSG_ERROR([cannot find valid apache installation on your system])
+   AC_PATH_PROG([APXS], [apxs2], [], [$with_apache/bin:$with_apache/sbin:$PATH])
+   if test -z "$APXS"; then
+      AC_MSG_ERROR([failed to find apache apxs executable])
+   fi
 fi
-if test -n "$apache_v1_3"; then
-  AC_DEFINE(APXS1)
-fi
-AC_MSG_RESULT(yes)
-
 AC_SUBST(APXS)
 
 AC_CONFIG_FILES([Makefile])