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