configure.ac

   1 AC_PREREQ([2.50])
   2 AC_INIT([shibboleth], [1.1], [mace-shib-users@internet2.edu], [shibboleth])
   3 AM_CONFIG_HEADER(config.h)
   4 AM_INIT_AUTOMAKE(shibboleth, 1.1)
   5
   6 sinclude(acx_pthread.m4)
   7 sinclude(acx_rpctest.m4)
   8
   9 AC_PROG_CC([gcc3 gcc cc])
  10 AC_PROG_CXX([g++3 g++ c++ CC])
  11 AC_DISABLE_STATIC
  12 AC_PROG_LIBTOOL
  13
  14 AC_LANG(C++)
  15
  16 # Checks for typedefs, structures, and compiler characteristics.
  17 AC_C_CONST
  18 AC_TYPE_SIZE_T
  19 AC_STRUCT_TM
  20
  21 # Checks for library functions.
  22 AC_FUNC_STRFTIME
  23 AC_CHECK_FUNCS([strchr strdup strstr gmtime_r strtok_r strcasecmp])
  24 AC_CHECK_HEADERS([dlfcn.h])
  25
  26 # C++ requirements
  27 AC_CXX_REQUIRE_STL
  28 AC_CXX_NAMESPACES
  29
  30
  31 # old_LIBS="$LIBS"
  32 # AC_SEARCH_LIBS(xdr_uint64_t,nsl,,
  33 #       [CFLAGS="$CFLAGS -DNEED_XDR_LONGLONG"
  34 #        CXXFLAGS="$CXXFLAGS -DNEED_XDR_LONGLONG"])
  35 # LIBS="$old_LIBS"
  36
  37 # checks for pthreads
  38 ACX_PTHREAD([enable_threads="pthread"],[enable_threads="no"])
  39 if test $enable_threads != "pthread"; then
  40     AC_MSG_ERROR([unable to find pthreads, currently this is required])
  41 else
  42     AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
  43     LIBS="$PTHREAD_LIBS $LIBS"
  44     CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
  45     CXXFLAGS="$PTHREAD_CFLAGS $CXXFLAGS"
  46 fi
  47
  48 # Test RPC now -- deal with it later
  49 ACX_RPCTEST([rpctest="yes"],[rpctest="no"])
  50
  51 # Determine whether to use TCP for the shar socket
  52 AC_ARG_ENABLE([tcp],
  53     AC_HELP_STRING([--enable-tcp], [enable the SHAR to use a TCP socket on Unix]),
  54     [tcp_enabled=$enableval], [tcp_enabled=default])
  55
  56 if test "x$tcp_enabled" = "x" ; then
  57    tcp_enabled=yes
  58 fi
  59
  60 if test "$tcp_enabled" = "yes" ; then
  61     CFLAGS="$CFLAGS -DWANT_TCP_SHAR"
  62     CXXFLAGS="$CXXFLAGS -DWANT_TCP_SHAR"
  63 fi
  64
  65 AC_ARG_WITH(dmalloc,
  66             AC_HELP_STRING([--with-dmalloc=PATH], [where dmalloc is installed]),
  67             [if test x_$with_dmalloc != x_/usr; then
  68                 LDFLAGS="-L${with_dmalloc}/lib $LDFLAGS"
  69                 CPPFLAGS="-I${with_dmalloc}/include $CPPFLAGS"
  70             fi
  71             AC_CHECK_LIB(dmallocxx, dmalloc_shutdown,,
  72                          AC_MSG_ERROR([unable to find dmallocxx library]))
  73             ])
  74
  75 AC_ARG_WITH(xerces,
  76             AC_HELP_STRING([--with-xerces=PATH], [where xerces-c is installed]),
  77             [if test x_$with_xerces != x_/usr; then
  78                 LDFLAGS="-L${with_xerces}/lib $LDFLAGS"
  79                 CPPFLAGS="-I${with_xerces}/include $CPPFLAGS"
  80             fi])
  81
  82
  83 AC_PATH_PROG(PKG_CONFIG, pkg-config)
  84 if test "x$PKG_CONFIG" = x || test "x$PKG_CONFIG" = "xno" ; then
  85     AC_ARG_WITH(openssl,
  86             AC_HELP_STRING([--with-openssl=PATH], [where openssl is installed]),
  87             [if test x_$with_openssl != x_/usr; then
  88             SSLLIBS="-L${with_openssl}/lib"
  89             SSLFLAGS="-I${with_openssl}/include"
  90             fi])
  91     SSLLIBS="$SSLLIBS -lssl -lcrypto"
  92 else
  93     SSLLIBS="`$PKG_CONFIG --libs openssl`"
  94     SSLFLAGS="`$PKG_CONFIG --cflags openssl`"
  95 fi
  96 AC_MSG_CHECKING(for OpenSSL libraries)
  97 AC_MSG_RESULT($SSLLIBS)
  98 LIBS="$LIBS $SSLLIBS"
  99 AC_MSG_CHECKING(for OpenSSL cflags)
 100 AC_MSG_RESULT($SSLFLAGS)
 101 CPPFLAGS="$SSLFLAGS $CPPFLAGS"
 102
 103 AC_ARG_WITH(log4cpp,
 104             AC_HELP_STRING([--with-log4cpp=PATH], [where log4cpp is installed]),
 105             [if test x_$with_log4cpp != x_/usr; then
 106                 LDFLAGS="-L${with_log4cpp}/lib $LDFLAGS"
 107                 CPPFLAGS="-I${with_log4cpp}/include $CPPFLAGS"
 108             fi])
 109
 110 AC_ARG_WITH(xmlsec,
 111             AC_HELP_STRING([--with-xmlsec=PATH], [where xmlsec is installed]),
 112             [if test x_$with_xmlsec != x_/usr; then
 113                 LDFLAGS="-L${with_xmlsec}/lib $LDFLAGS"
 114                 CPPFLAGS="-I${with_xmlsec}/include $CPPFLAGS"
 115             fi])
 116
 117 AC_ARG_WITH(saml,
 118             AC_HELP_STRING([--with-saml=PATH], [where saml is installed]),
 119             [if test x_$with_saml != x_/usr; then
 120                 LDFLAGS="-L${with_saml}/lib $LDFLAGS"
 121                 CPPFLAGS="-I${with_saml}/include $CPPFLAGS"
 122             fi])
 123
 124 AC_CHECK_HEADER([xercesc/dom/DOM.hpp],,
 125                 AC_MSG_ERROR([unable to find xerces header files]))
 126 saved_LIBS="$LIBS"
 127 LIBS="-lxerces-c $LIBS"
 128 AC_TRY_LINK(
 129         [#include <xercesc/util/PlatformUtils.hpp>],
 130         [xercesc::XMLPlatformUtils::Initialize()],
 131         [AC_DEFINE(HAVE_LIBXERCESC,1,[Define if Xerces-C library was found])],
 132         [AC_MSG_ERROR([unable to link with Xerces])
 133                 LIBS="$saved_LIBS"
 134         ])
 135
 136 AC_CHECK_HEADER([openssl/ssl.h],,
 137                 AC_MSG_ERROR([unable to find openssl header files]))
 138 AC_MSG_CHECKING(for ERR_load_CRYPTO_string)
 139 AC_TRY_LINK_FUNC([ERR_load_CRYPTO_strings],,
 140              AC_MSG_ERROR([unable to link with openssl libraries]))
 141 AC_MSG_RESULT(yes)
 142 AC_MSG_CHECKING(for SSL_library_init)
 143 AC_TRY_LINK_FUNC([SSL_library_init],,
 144              AC_MSG_ERROR([unable to link with openssl libraries]))
 145 AC_MSG_RESULT(yes)
 146
 147 #AC_CHECK_LIB([crypto], [ERR_load_CRYPTO_strings],,
 148 #             AC_MSG_ERROR([unable to link with openssl libraries]))
 149 #AC_CHECK_LIB([ssl], [SSL_library_init],,
 150 #             AC_MSG_ERROR([unable to link with openssl libraries]))
 151
 152 AC_CHECK_HEADER([xsec/utils/XSECPlatformUtils.hpp],,
 153                 AC_MSG_ERROR([unable to find xsec header files]))
 154 saved_LIBS="$LIBS"
 155 LIBS="-lxml-security-c $LIBS"
 156 AC_TRY_LINK(
 157         [#include <xsec/utils/XSECPlatformUtils.hpp>],
 158         [XSECPlatformUtils::Initialise()],
 159         [AC_DEFINE(HAVE_LIBXSEC,1,[Define if XML-Sec library was found])],
 160         [AC_MSG_ERROR([unable to link with XML-Sec])
 161                 LIBS="$saved_LIBS"
 162         ])
 163
 164 AC_CHECK_HEADER([log4cpp/Category.hh],,
 165                 AC_MSG_ERROR([unable to find log4cpp header files]))
 166
 167 AC_CHECK_HEADER([saml/saml.h],,
 168                 AC_MSG_ERROR([unable to find saml header files]))
 169
 170 saved_LIBS="$LIBS"
 171 LIBS="-llog4cpp $LIBS"
 172 AC_TRY_LINK(
 173         [#include <log4cpp/Category.hh>],
 174         [log4cpp::Category::getInstance("foo")],
 175         [AC_DEFINE(HAVE_LIBLOG4CPP,1,[Define if log4cpp library was found])],
 176         [AC_MSG_ERROR([unable to link with log4cpp])
 177                 LIBS="$saved_LIBS"
 178         ])
 179
 180 saved_LIBS="$LIBS"
 181 LIBS="-lsaml $LIBS"
 182 AC_TRY_LINK(
 183         [#include <saml/saml.h>],
 184         [saml::SAMLConfig::getConfig()],
 185         [AC_DEFINE(HAVE_SAML,1,[Define if saml library was found])],
 186         [AC_MSG_ERROR([unable to link with saml])
 187                 LIBS="$saved_LIBS"
 188         ])
 189
 190 # output the underlying makefiles
 191 WANT_SUBDIRS="doc shib schemas configs shib-target shar siterefresh test"
 192 AC_CONFIG_FILES([Makefile doc/Makefile shib/Makefile schemas/Makefile \
 193                  configs/Makefile oncrpc/Makefile oncrpc/rpc/Makefile \
 194                  shib-target/Makefile shar/Makefile siterefresh/Makefile \
 195                  test/Makefile])
 196
 197 # now deal with the rpc library, to see if we need to build our own
 198 if test $rpctest = "no"; then
 199     WANT_SUBDIRS="oncrpc $WANT_SUBDIRS"
 200         AC_DEFINE(USE_OUR_ONCRPC,1,[Define if using embedded version of ONC RPC.])
 201 fi
 202 AM_CONDITIONAL(USE_OUR_ONCRPC,test "$rpctest" = "no")
 203
 204 # Much of this is taken from mod_dav.
 205 # The basic idea is to use configure options to control whether/which types
 206 # of web server modules get built. We assume there may eventually be multiple
 207 # types (Apache 1/2, iPlanet, others).
 208
 209 # Apache 1.3 (mod_shire/mod_shibrm)
 210 #   --with-apache-13 (static build, no idea how to do this yet, so not supported)
 211 #   --with-apxs      (DSO build, the normal way, uses apxs to derive build flags)
 212 #   --without-apxs   (DSO build, you tell us how to build using the environment)
 213
 214 AC_ARG_ENABLE(apache-13,
 215         AC_HELP_STRING([--enable-apache-13], [enable the Apache 1.3 modules]),
 216         [ if test "x$enableval" = "x" ; then
 217               WANT_APACHE_13=yes
 218           else
 219               WANT_APACHE_13="$enableval"
 220           fi
 221         ], [ WANT_APACHE_13=no ])
 222 AC_MSG_CHECKING(whether to build Apache-1.3 support)
 223 if test "$WANT_APACHE_13" != yes && test "$WANT_APACHE_13" != no ; then
 224    WANT_APACHE_13=yes
 225 fi
 226 AC_MSG_RESULT($WANT_APACHE_13)
 227
 228 if test "$WANT_APACHE_13" = yes ; then
 229
 230 AC_ARG_WITH(apxs,
 231 [  --with-apxs[=FILE]        Build shared Apache module(s). FILE is the optional
 232                           pathname to the Apache apxs tool; defaults to "apxs".],
 233 [
 234     if test "$withval" = "yes"; then
 235       for i in /usr/sbin /usr/local/apache/bin ; do
 236         if test -f "$i/apxs"; then
 237           APXS="$i/apxs"
 238         fi
 239       done
 240       if test -z "$APXS"; then
 241         APXS=apxs
 242       fi
 243     else
 244       APXS="$withval"
 245     fi
 246 ],
 247 [
 248     AC_PATH_PROG(APXS, apxs, no)
 249 ])
 250
 251 AC_MSG_CHECKING([for dynamic Apache-1.3 module support (w/ or w/o APXS)])
 252 if test "$APXS" = "no"; then
 253
 254     # --without-apxs means you want the modules,
 255     #       but want to tell us how to build them
 256     AC_MSG_RESULT(yes, but use environment, not apxs)
 257     echo
 258     echo "Did you set one or more of these?"
 259     echo
 260     echo "APXS_CFLAGS APXS_PREFIX APXS_INCLUDE APXS_LIBEXEC APXS_SYSCONFDIR"
 261     echo
 262
 263     AC_MSG_NOTICE([APXS_CFLAGS is $APXS_CFLAGS])
 264
 265     # try and find the Apache root
 266     if test -z "$APXS_PREFIX"; then
 267         if test -d "/usr/local/apache"; then
 268             APXS_PREFIX="/usr/local/apache"
 269         else
 270             AC_MSG_ERROR([You MUST set APXS_PREFIX so the right Apache can be located!])
 271         fi
 272     elif test ! -d "$APXS_PREFIX"; then
 273         AC_MSG_ERROR([APXS_PREFIX of $APXS_PREFIX cannot be found])
 274     fi
 275     AC_MSG_NOTICE([APXS_PREFIX is $APXS_PREFIX])
 276
 277
 278     # other subfolders might be derived from APXS_PREFIX
 279     if test -z "$APXS_INCLUDE"; then
 280         if test -f "$APXS_PREFIX/include/httpd.h"; then
 281             APXS_INCLUDE="$APXS_PREFIX/include"
 282         else
 283             AC_MSG_ERROR([can't find Apache include files beneath $APXS_PREFIX])
 284         fi
 285     elif ! test -f "$APXS_INCLUDE/httpd.h"; then
 286         AC_MSG_ERROR([APXS_INCLUDE of $APXS_INCLUDE does not contain Apache headers])
 287     fi
 288     AC_MSG_NOTICE([APXS_INCLUDE is $APXS_INCLUDE])
 289
 290     if test -z "$APXS_LIBEXEC"; then
 291         if test -d "$APXS_PREFIX/libexec"; then
 292             APXS_LIBEXEC="$APXS_PREFIX/libexec"
 293         elif test -d "$APXS_PREFIX/modules"; then
 294             APXS_LIBEXEC="$APXS_PREFIX/modules"
 295         else
 296             AC_MSG_ERROR([can't find Apache libexec/module directory beneath $APXS_PREFIX])
 297         fi
 298     elif ! test -d "$APXS_LIBEXEC"; then
 299         AC_MSG_ERROR([APXS_LIBEXEC of $APXS_LIBEXEC does not exist])
 300     fi
 301     AC_MSG_NOTICE([APXS_LIBEXEC is $APXS_LIBEXEC])
 302
 303     if test -z "$APXS_SYSCONFDIR"; then
 304         if test -d "$APXS_PREFIX/conf"; then
 305             APXS_SYSCONFDIR="$APXS_PREFIX/conf"
 306         else
 307             AC_MSG_ERROR([can't find Apache conf directory beneath $APXS_PREFIX])
 308         fi
 309     elif ! test -d "$APXS_SYSCONFDIR"; then
 310         AC_MSG_ERROR([APXS_SYSCONFDIR of $APXS_SYSCONFDIR does not exist])
 311     fi
 312     AC_MSG_NOTICE([APXS_SYSCONFDIR is $APXS_SYSCONFDIR])
 313
 314     WANT_APACHE_13="yes"
 315
 316 elif test -n "$APXS"; then
 317
 318     # extract settings we need from APXS -q
 319     APXS_CC="`$APXS -q CC`"
 320     APXS_CFLAGS="`$APXS -q CFLAGS` `$APXS -q CFLAGS_SHLIB`"
 321     APXS_INCLUDE="`$APXS -q INCLUDEDIR`"
 322     APXS_LIBEXEC="`$APXS -q LIBEXECDIR`"
 323     APXS_SYSCONFDIR="`$APXS -q SYSCONFDIR`"
 324
 325     AC_SUBST(APXS)
 326     AC_MSG_RESULT(found at $APXS)
 327
 328     if test -z "`$APXS -q LD_SHLIB`" || test "$APXS_LIBEXEC" = "modules"; then
 329             AC_MSG_ERROR(
 330 [Your APXS installation is broken and cannot be used.
 331     Please see http://www.webdav.org/mod_dav/install.html#apxs for
 332     more information.])
 333     fi
 334
 335     WANT_APACHE_13="yes"
 336
 337 else
 338     # guess we're not doing Apache 1.3
 339     AC_MSG_RESULT(no)
 340     WANT_APACHE_13="no"
 341 fi
 342 fi
 343
 344 if test "$WANT_APACHE_13" = "yes"; then
 345     AC_ARG_WITH(apreq,
 346                 AC_HELP_STRING([--with-apreq=PATH], [where libapreq is installed]),
 347                 [if test x_$with_apreq != x_/usr; then
 348                     LDFLAGS="-L${with_apreq}/lib $LDFLAGS"
 349                     CPPFLAGS="-I${with_apreq}/include $CPPFLAGS"
 350                 fi])
 351
 352     saved_CPPFLAGS="$CPPFLAGS"
 353     CPPFLAGS="-I$APXS_INCLUDE $APXS_CFLAGS $CPPFLAGS"
 354     AC_TRY_COMPILE([#include <libapreq/apache_request.h>],
 355                    [int i=0],
 356                    test_apreq="yes",test_apreq="no")
 357     if test "$test_apreq" = "no"; then
 358         CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE"
 359         APXS_CFLAGS="$APXS_CFLAGS -U_XOPEN_SOURCE"
 360         AC_CHECK_HEADER([libapreq/apache_request.h],,
 361             AC_MSG_ERROR([unable to find a usable libapreq header]))
 362     fi
 363
 364 dnl    saved_LIBS="$LIBS"
 365 dnl    LIBS="-lapreq $LIBS"
 366 dnl    AC_TRY_LINK(
 367 dnl        [#include <libapreq/apache_request.h>],
 368 dnl        [ApacheRequest_expires],
 369 dnl        [AC_DEFINE(HAVE_APREQ,1,[Define if apreq library was found])],
 370 dnl        [AC_MSG_ERROR([unable to link with apreq])
 371 dnl        ])
 372 dnl    LIBS="$saved_LIBS"
 373     CPPFLAGS="$saved_CPPFLAGS"
 374
 375     AC_ARG_ENABLE([apxs-install],
 376         AC_HELP_STRING([--enable-apxs-install],
 377                         [use apxs to install the apache modules]),
 378         APXS_INSTALL="yes", )
 379
 380
 381     AC_SUBST(APXS_CFLAGS)
 382     AC_SUBST(APXS_INCLUDE)
 383     AC_SUBST(APXS_LIBEXEC)
 384     AC_SUBST(APXS_SYSCONFDIR)
 385
 386     # output the Apache 1.3 makefiles
 387     WANT_SUBDIRS="$WANT_SUBDIRS mod_shire mod_shibrm"
 388 fi
 389 # always output the Makefile, even if we don't use it
 390 AC_CONFIG_FILES([mod_shire/Makefile mod_shibrm/Makefile])
 391 AM_CONDITIONAL(HAVE_APXS,test -n "$APXS")
 392 AM_CONDITIONAL(DO_APXS_INSTALL,test -n "$APXS_INSTALL")
 393
 394
 395 # Apache 2.0 (mod_shib in apache-2.0)
 396 #   --with-apache-20   (static build, no idea how to do this yet, so not supported)
 397 #   --with-apxs2       (DSO build, the normal way, uses apxs to derive build flags)
 398 #   --without-apxs2    (DSO build, you tell us how to build using the environment)
 399
 400 AC_ARG_ENABLE(apache-20,
 401         AC_HELP_STRING([--enable-apache-20], [enable the Apache 2.0 modules]),
 402         [ if test "x$enableval" = "x" ; then
 403               WANT_APACHE_20=yes
 404           else
 405               WANT_APACHE_20="$enableval"
 406           fi
 407         ], [ WANT_APACHE_20=no ])
 408
 409 AC_MSG_CHECKING(whether to build Apache-2.0 support)
 410 if test "$WANT_APACHE_20" != yes && test "$WANT_APACHE_20" != no ; then
 411    WANT_APACHE_20=yes
 412 fi
 413 AC_MSG_RESULT($WANT_APACHE_20)
 414
 415 if test "$WANT_APACHE_20" = yes ; then
 416
 417 AC_ARG_WITH(apxs2,
 418 [  --with-apxs2[=FILE]        Build shared Apache module(s). FILE is the optional
 419                           pathname to the Apache apxs tool; defaults to "apxs".],
 420 [
 421     if test "$withval" = "yes"; then
 422       for i in /usr/sbin /usr/local/apache/bin ; do
 423         if test -f "$i/apxs"; then
 424           APXS2="$i/apxs"
 425         fi
 426       done
 427       if test -z "$APXS2"; then
 428         APXS2=apxs
 429       fi
 430     else
 431       APXS2="$withval"
 432     fi
 433 ],
 434 [
 435     AC_PATH_PROG(APXS2, apxs, no)
 436 ])
 437
 438 AC_MSG_CHECKING([for dynamic Apache-2 module support (w/ or w/o APXS)])
 439 if test "$APXS2" = "no"; then
 440
 441     # --without-apxs2 means you want the modules,
 442     #       but want to tell us how to build them
 443     AC_MSG_RESULT(yes, but use environment, not apxs)
 444     echo
 445     echo "Did you set one or more of these?"
 446     echo
 447     echo "APXS2_CFLAGS APXS2_PREFIX APXS2_INCLUDE APXS2_LIBEXEC APXS2_SYSCONFDIR"
 448     echo
 449
 450     AC_MSG_NOTICE([APXS2_CFLAGS is $APXS2_CFLAGS])
 451
 452     # try and find the Apache root
 453     if test -z "$APXS2_PREFIX"; then
 454         if test -d "/usr/local/apache"; then
 455             APXS2_PREFIX="/usr/local/apache"
 456         else
 457             AC_MSG_ERROR([You MUST set APXS2_PREFIX so the right Apache-2 can be located!])
 458         fi
 459     elif test ! -d "$APXS2_PREFIX"; then
 460         AC_MSG_ERROR([APXS2_PREFIX of $APXS2_PREFIX cannot be found])
 461     fi
 462     AC_MSG_NOTICE([APXS2_PREFIX is $APXS2_PREFIX])
 463
 464
 465     # other subfolders might be derived from APXS2_PREFIX
 466     if test -z "$APXS2_INCLUDE"; then
 467         if test -f "$APXS2_PREFIX/include/httpd.h"; then
 468             APXS2_INCLUDE="$APXS2_PREFIX/include"
 469         else
 470             AC_MSG_ERROR([can't find Apache-2 include files beneath $APXS2_PREFIX])
 471         fi
 472     elif ! test -f "$APXS2_INCLUDE/httpd.h"; then
 473         AC_MSG_ERROR([APXS2_INCLUDE of $APXS2_INCLUDE does not contain Apache-2 headers])
 474     fi
 475     AC_MSG_NOTICE([APXS2_INCLUDE is $APXS2_INCLUDE])
 476
 477     if test -z "$APXS2_LIBEXEC"; then
 478         if test -d "$APXS2_PREFIX/libexec"; then
 479             APXS2_LIBEXEC="$APXS2_PREFIX/libexec"
 480         elif test -d "$APXS2_PREFIX/modules"; then
 481             APXS2_LIBEXEC="$APXS2_PREFIX/modules"
 482         else
 483             AC_MSG_ERROR([can't find Apache-2 libexec/module directory beneath $APXS2_PREFIX])
 484         fi
 485     elif ! test -d "$APXS2_LIBEXEC"; then
 486         AC_MSG_ERROR([APXS2_LIBEXEC of $APXS2_LIBEXEC does not exist])
 487     fi
 488     AC_MSG_NOTICE([APXS2_LIBEXEC is $APXS2_LIBEXEC])
 489
 490     if test -z "$APXS2_SYSCONFDIR"; then
 491         if test -d "$APXS2_PREFIX/conf"; then
 492             APXS2_SYSCONFDIR="$APXS2_PREFIX/conf"
 493         else
 494             AC_MSG_ERROR([can't find Apache-2 conf directory beneath $APXS2_PREFIX])
 495         fi
 496     elif ! test -d "$APXS2_SYSCONFDIR"; then
 497         AC_MSG_ERROR([APXS2_SYSCONFDIR of $APXS2_SYSCONFDIR does not exist])
 498     fi
 499     AC_MSG_NOTICE([APXS2_SYSCONFDIR is $APXS2_SYSCONFDIR])
 500
 501     WANT_APACHE_20="yes"
 502
 503 elif test -n "$APXS2"; then
 504
 505     # extract settings we need from APXS2 -q
 506     APXS2_CC="`$APXS2 -q CC`"
 507     APXS2_CFLAGS="`$APXS2 -q CFLAGS` `$APXS2 -q CFLAGS_SHLIB`"
 508     APXS2_INCLUDE="`$APXS2 -q INCLUDEDIR`"
 509     APXS2_LIBEXEC="`$APXS2 -q LIBEXECDIR`"
 510     APXS2_SYSCONFDIR="`$APXS2 -q SYSCONFDIR`"
 511
 512     AC_SUBST(APXS2)
 513     AC_MSG_RESULT(found at $APXS2)
 514
 515     if test -z "`$APXS2 -q LD_SHLIB`" && test -z "`$APXS2 -q LIBEXECDIR`" \
 516        || test "$APXS2_LIBEXEC" = "modules"; then
 517             AC_MSG_ERROR(
 518 [Your APXS installation is broken and cannot be used.
 519     Please see http://www.webdav.org/mod_dav/install.html#apxs for
 520     more information.])
 521     fi
 522
 523     WANT_APACHE_20="yes"
 524
 525 else
 526     # guess we're not doing Apache 2.0
 527     AC_MSG_RESULT(no)
 528     WANT_APACHE_20="no"
 529 fi
 530 fi
 531
 532 if test "$WANT_APACHE_20" = "yes"; then
 533     AC_ARG_WITH(apreq2,
 534                 AC_HELP_STRING([--with-apreq2=PATH], [where http-apreq-2 is installed]),
 535                 [if test x_$with_apreq2 != x_/usr; then
 536                     LDFLAGS="-L${with_apreq2}/lib $LDFLAGS"
 537                     CPPFLAGS="-I${with_apreq2}/include $CPPFLAGS"
 538                 fi])
 539
 540     saved_CPPFLAGS="$CPPFLAGS"
 541     CPPFLAGS="-I$APXS2_INCLUDE $APXS2_CFLAGS $CPPFLAGS"
 542     AC_TRY_COMPILE([#include <apreq.h>],
 543                    [int i=0],
 544                    test_apreq2="yes",test_apreq2="no")
 545     if test "$test_apreq2" = "no"; then
 546         CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE"
 547         APXS2_CFLAGS="$APXS2_CFLAGS -U_XOPEN_SOURCE"
 548         AC_CHECK_HEADER([apreq.h],,
 549             AC_MSG_ERROR([unable to find a usable libapreq2 header]))
 550     fi
 551
 552 dnl    saved_LIBS="$LIBS"
 553 dnl    LIBS="-lapreq $LIBS"
 554 dnl    AC_TRY_LINK(
 555 dnl        [#include <apreq.h>],
 556 dnl        [apreq_param],
 557 dnl        [AC_DEFINE(HAVE_APREQ2,1,[Define if apreq2 library was found])],
 558 dnl        [AC_MSG_ERROR([unable to link with apreq2])
 559 dnl        ])
 560 dnl    LIBS="$saved_LIBS"
 561     CPPFLAGS="$saved_CPPFLAGS"
 562
 563     AC_ARG_ENABLE([apxs2-install],
 564         AC_HELP_STRING([--enable-apxs2-install],
 565                         [use apxs to install the apache-2 modules]),
 566         APXS2_INSTALL="yes", )
 567
 568
 569     AC_SUBST(APXS2_CFLAGS)
 570     AC_SUBST(APXS2_INCLUDE)
 571     AC_SUBST(APXS2_LIBEXEC)
 572     AC_SUBST(APXS2_SYSCONFDIR)
 573
 574     # output the Apache 2.0 makefiles
 575     WANT_SUBDIRS="$WANT_SUBDIRS apache-2.0"
 576 fi
 577 # always output the Makefile, even if we don't use it
 578 AC_CONFIG_FILES([apache-2.0/Makefile])
 579 AM_CONDITIONAL(HAVE_APXS2,test -n "$APXS2")
 580 AM_CONDITIONAL(DO_APXS2_INSTALL,test -n "$APXS2_INSTALL")
 581
 582
 583 #
 584 # Implement the checks of the MySQL Credential Cache
 585 #
 586 # 1) Assume the user wants MySQL; if it's not found then just continue without
 587 # 2) If the user specifically requested Mysql, look for it and ERROR if not found
 588 # 3) If the user specifically requested no-mysql, don't build it.
 589 #
 590
 591 AC_CONFIG_FILES([shib-mysql-ccache/Makefile])
 592
 593 # determine whether we should enable the mysql ccache
 594 AC_ARG_ENABLE([mysql],
 595         AC_HELP_STRING([--disable-mysql], [disable the MySQL Credential Cache]),
 596         [mysql_enabled=$enableval], [mysql_enabled=default])
 597
 598 if test "x$mysql_enabled" = "x" ; then
 599    mysql_enabled=yes
 600 fi
 601
 602 # Are we trying to build MySQL?
 603 AC_MSG_CHECKING(whether to build the MySQL ccache)
 604 if test "$mysql_enabled" = "yes" ; then
 605    build_mysql=yes
 606    AC_MSG_RESULT(yes)
 607 elif test "$mysql_enabled" = "default" ; then
 608    build_mysql=yes
 609    AC_MSG_RESULT([yes, if it can be found])
 610 else
 611    build_mysql=no
 612    AC_MSG_RESULT(no)
 613 fi
 614
 615 # If we're trying to build MySQL, try to find the mysql_config program,
 616 # verify we've got mysql >= 4, and make sure we can build with mysqld
 617 if test "$build_mysql" = "yes" ; then
 618    mysql_dir=""
 619    AC_ARG_WITH(mysql,
 620         AC_HELP_STRING([--with-mysql=PATH], [directory where mysql is installed]),
 621             [if test "$with_mysql" = no ; then
 622                AC_MSG_ERROR([Try running --disable-mysql instead.])
 623              elif test "$with_mysql" != yes ; then
 624                mysql_dir="$with_mysql/bin"
 625              fi ])
 626
 627    # Try to find the mysql_config program
 628    AC_PATH_PROG(MYSQL_CONFIG, mysql_config, no, $mysql_dir $PATH )
 629
 630    if test "$MYSQL_CONFIG" = no ; then
 631       if test "$mysql_enabled" = "yes" ; then
 632         AC_MSG_ERROR(Cannot find mysql_config)
 633       else
 634         AC_MSG_WARN(MySQL not found.  skipping.)
 635       fi
 636    fi
 637 fi
 638
 639 # if we found mysql_config then build_mysql is 'yes'
 640 if test "$MYSQL_CONFIG" != no ; then
 641    AC_MSG_CHECKING(for mysql version >= 4)
 642    mysql_version=`$MYSQL_CONFIG --version`
 643    mysql_major_version=`echo $mysql_version | awk -F. '{print $1}'`
 644    mysql_version_ok=yes
 645    if test $mysql_major_version -lt 4 ; then
 646      mysql_version_ok=no
 647      if test "$mysql_enabled" = "yes" ; then
 648        AC_MSG_ERROR(You need MySQL version >= 4, found $mysql_version)
 649      fi
 650      AC_MSG_RESULT(no.. skipping MySQL)
 651    else
 652      AC_MSG_RESULT(yes)
 653    fi
 654 fi
 655
 656 # if mysql_version_ok is 'yes', then we've made it this far.. ;)
 657 if test "$mysql_version_ok" = "yes" ; then
 658    AC_MSG_CHECKING(for embedded-MySQL libraries)
 659    MYSQL_LIBS=`$MYSQL_CONFIG --libmysqld-libs`
 660    if test $? != 0 ; then
 661       found_mysql=no
 662       if test "$mysql_enabled" = "yes" ; then
 663         AC_MSG_ERROR(Could not find the MySQL Embedded-server libraries.)
 664       else
 665         AC_MSG_RESULT(no.. skipping MySQL)
 666       fi
 667    else
 668       found_mysql=yes
 669       AC_MSG_RESULT(yes)
 670    fi
 671 fi
 672
 673 # if found_mysql=yes then test that we can actually build mysql
 674 if test "$found_mysql" = yes ; then
 675    MYSQL_CFLAGS=`$MYSQL_CONFIG --cflags`
 676    MYSQL_CFLAGS=`eval echo $MYSQL_CFLAGS`
 677    MYSQL_LIBS=`eval echo $MYSQL_LIBS`
 678
 679    save_CPPFLAGS="$CPPFLAGS"
 680    CPPFLAGS="$CPPFLAGS $MYSQL_CFLAGS"
 681
 682    AC_CHECK_HEADER([mysql.h], [have_mysql_h=yes], [have_mysql_h=no])
 683    if test "$have_mysql_h" = no -a "$mysql_enabled" = "yes" ; then
 684      AC_MSG_ERROR(unable to find MySQL header files)
 685    fi
 686
 687    if test "$have_mysql_h" = yes ; then
 688       save_LIBS="$LIBS"
 689       LIBS="$LIBS $MYSQL_LIBS"
 690       AC_MSG_CHECKING(if we can link againt mysql)
 691       AC_TRY_LINK(
 692         [#include <mysql.h>
 693          #include <stdio.h>],
 694         [mysql_server_init(0, NULL, NULL)],
 695         [have_mysql_libs=yes],
 696         [have_mysql_libs=no])
 697       LIBS="$save_LIBS"
 698
 699       if test "$have_mysql_libs" = no ; then
 700          if test "$mysql_enabled" = "yes" ; then
 701             AC_MSG_ERROR([unable to link with MySQL Embedded Server Library])
 702          else
 703             AC_MSG_RESULT(no.  skipping MySQL)
 704          fi
 705       fi
 706    fi
 707
 708    CPPFLAGS="$save_CPPFLAGS"
 709 fi
 710
 711 # if have_mysql_libs=yes then go ahead with building MySQL
 712 if test "$have_mysql_libs" = yes ; then
 713    # this AC_MSG_RESULT is from above!
 714    AC_MSG_RESULT(yes)
 715    WANT_SUBDIRS="$WANT_SUBDIRS shib-mysql-ccache"
 716    AC_SUBST(MYSQL_CFLAGS)
 717    AC_SUBST(MYSQL_LIBS)
 718 fi
 719
 720
 721 AC_SUBST(WANT_SUBDIRS)
 722
 723 if test -n "$APXS_CC" && test "$APXS_CC" != "$CC" ; then
 724   echo "=================================================================="
 725   echo "WARNING: You have chosen to compile Apache-1.3 modules with a different"
 726   echo "         compiler than the one used to compile Apache."
 727   echo ""
 728   echo "    Current compiler:      $CC"
 729   echo "   Apache's compiler:      $APXS_CC"
 730   echo ""
 731   echo "This could cause some problems."
 732   echo "=================================================================="
 733 fi
 734
 735 if test -n "$APXS2_CC" && test "$APXS2_CC" != "$CC" ; then
 736   echo "=================================================================="
 737   echo "WARNING: You have chosen to compile Apache-2 modules with a different"
 738   echo "         compiler than the one used to compile Apache."
 739   echo ""
 740   echo "    Current compiler:      $CC"
 741   echo "   Apache's compiler:      $APXS2_CC"
 742   echo ""
 743   echo "This could cause some problems."
 744   echo "=================================================================="
 745 fi
 746
 747 AC_OUTPUT
 748