configure.ac

   1 AC_PREREQ([2.50])
   2 AC_INIT([shibboleth], [1.2], [shibboleth-users@internet2.edu], [shibboleth])
   3 AM_CONFIG_HEADER(config.h)
   4 AM_INIT_AUTOMAKE(shibboleth, 1.2)
   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 $CPPFLAGS"
  70             fi
  71             AC_CHECK_LIB(dmallocxx, dmalloc_shutdown,,
  72                          AC_MSG_ERROR([unable to find dmallocxx library]))
  73             ])
  74
  75 # OpenSSL settings
  76 AC_PATH_PROG(PKG_CONFIG, pkg-config)
  77 if test "x$PKG_CONFIG" = x || test "x$PKG_CONFIG" = "xno" ; then
  78     AC_ARG_WITH(openssl,
  79             AC_HELP_STRING([--with-openssl=PATH], [where openssl is installed]),
  80             [if test x_$with_openssl != x_/usr; then
  81             SSLLIBS="-L${with_openssl}/lib"
  82             SSLFLAGS="-I${with_openssl}/include"
  83             fi])
  84     SSLLIBS="$SSLLIBS -lssl -lcrypto"
  85 else
  86     SSLLIBS="`$PKG_CONFIG --libs openssl`"
  87     SSLFLAGS="`$PKG_CONFIG --cflags openssl`"
  88 fi
  89 AC_MSG_CHECKING(for OpenSSL libraries)
  90 AC_MSG_RESULT($SSLLIBS)
  91 LIBS="$LIBS $SSLLIBS"
  92 AC_MSG_CHECKING(for OpenSSL cflags)
  93 AC_MSG_RESULT($SSLFLAGS)
  94 CPPFLAGS="$SSLFLAGS $CPPFLAGS"
  95
  96 AC_CHECK_HEADER([openssl/ssl.h],,
  97                 AC_MSG_ERROR([unable to find openssl header files]))
  98 AC_MSG_CHECKING(for ERR_load_CRYPTO_string)
  99 AC_TRY_LINK_FUNC([ERR_load_CRYPTO_strings],,
 100              AC_MSG_ERROR([unable to link with openssl libraries]))
 101 AC_MSG_RESULT(yes)
 102 AC_MSG_CHECKING(for SSL_library_init)
 103 AC_TRY_LINK_FUNC([SSL_library_init],,
 104              AC_MSG_ERROR([unable to link with openssl libraries]))
 105 AC_MSG_RESULT(yes)
 106
 107 # log4cpp settings
 108 LOG4CPP_CONFIG="log4cpp-config"
 109 AC_ARG_WITH(log4cpp,
 110             AC_HELP_STRING([--with-log4cpp=PATH], [where log4cpp is installed]),
 111             [LOG4CPP_CONFIG="${with_log4cpp}/bin/log4cpp-config"])
 112 if test -f ${LOG4CPP_CONFIG}; then
 113     LDFLAGS="`${LOG4CPP_CONFIG} --libs` $LDFLAGS"
 114     CPPFLAGS="`${LOG4CPP_CONFIG} --cflags` $CPPFLAGS"
 115 else
 116     AC_MSG_WARN([log4cpp-config not found, guessing at log4cpp build settings])
 117     LIBS="-llog4cpp $LIBS"
 118 fi
 119 AC_CHECK_HEADER([log4cpp/Category.hh],,AC_MSG_ERROR([unable to find log4cpp header files]))
 120 AC_TRY_LINK(
 121         [#include <log4cpp/Category.hh>],
 122         [log4cpp::Category::getInstance("foo")],
 123         [AC_DEFINE(HAVE_LIBLOG4CPP,1,[Define if log4cpp library was found])],
 124         [AC_MSG_ERROR([unable to link with log4cpp])])
 125
 126 # Xerces settings
 127 AC_ARG_WITH(xerces,
 128             AC_HELP_STRING([--with-xerces=PATH], [where xerces-c is installed]),
 129             [if test x_$with_xerces != x_/usr; then
 130                 LDFLAGS="-L${with_xerces}/lib $LDFLAGS"
 131                 CPPFLAGS="-I${with_xerces}/include $CPPFLAGS"
 132             fi])
 133 LIBS="-lxerces-c $LIBS"
 134 AC_CHECK_HEADER([xercesc/dom/DOM.hpp],,
 135                 AC_MSG_ERROR([unable to find xerces header files]))
 136 AC_TRY_LINK(
 137         [#include <xercesc/util/PlatformUtils.hpp>],
 138         [xercesc::XMLPlatformUtils::Initialize()],
 139         [AC_DEFINE(HAVE_LIBXERCESC,1,[Define if Xerces-C library was found])],
 140         [AC_MSG_ERROR([unable to link with Xerces])])
 141
 142 # XML-Security settings
 143 AC_ARG_WITH(xmlsec,
 144             AC_HELP_STRING([--with-xmlsec=PATH], [where xmlsec is installed]),
 145             [if test x_$with_xmlsec != x_/usr; then
 146                 LDFLAGS="-L${with_xmlsec}/lib $LDFLAGS"
 147                 CPPFLAGS="-I${with_xmlsec}/include $CPPFLAGS"
 148             fi])
 149 LIBS="-lxml-security-c $LIBS"
 150 AC_CHECK_HEADER([xsec/utils/XSECPlatformUtils.hpp],,AC_MSG_ERROR([unable to find xsec header files]))
 151 AC_TRY_LINK(
 152         [#include <xsec/utils/XSECPlatformUtils.hpp>],
 153         [XSECPlatformUtils::Initialise()],
 154         [AC_DEFINE(HAVE_LIBXSEC,1,[Define if XML-Sec library was found])],
 155         [AC_MSG_ERROR([unable to link with XML-Sec])])
 156
 157 # OpenSAML settings
 158 AC_ARG_WITH(saml,
 159             AC_HELP_STRING([--with-saml=PATH], [where saml is installed]),
 160             [if test x_$with_saml != x_/usr; then
 161                 LDFLAGS="-L${with_saml}/lib $LDFLAGS"
 162                 CPPFLAGS="-I${with_saml}/include $CPPFLAGS"
 163             fi])
 164 AC_CHECK_HEADER([saml/saml.h],,
 165                 AC_MSG_ERROR([unable to find saml header files]))
 166 LIBS="-lsaml $LIBS"
 167 AC_TRY_LINK(
 168         [#include <saml/saml.h>],
 169         [saml::SAMLConfig::getConfig()],
 170         [AC_DEFINE(HAVE_SAML,1,[Define if saml library was found])],
 171         [AC_MSG_ERROR([unable to link with saml])])
 172
 173
 174 # output the underlying makefiles
 175 WANT_SUBDIRS="doc shib schemas configs shib-target shar siterefresh test xmlproviders"
 176 AC_CONFIG_FILES([Makefile doc/Makefile shib/Makefile schemas/Makefile \
 177                  configs/Makefile oncrpc/Makefile oncrpc/rpc/Makefile \
 178                  shib-target/Makefile shar/Makefile siterefresh/Makefile \
 179                  test/Makefile xmlproviders/Makefile])
 180
 181
 182 # now deal with the rpc library, to see if we need to build our own
 183 if test $rpctest = "no"; then
 184     WANT_SUBDIRS="oncrpc $WANT_SUBDIRS"
 185         AC_DEFINE(USE_OUR_ONCRPC,1,[Define if using embedded version of ONC RPC.])
 186 fi
 187 AM_CONDITIONAL(USE_OUR_ONCRPC,test "$rpctest" = "no")
 188
 189
 190 # Apache 1.3 (mod_shire/mod_shibrm)
 191 #   --with-apache-13 (static build, no idea how to do this yet, so not supported)
 192 #   --with-apxs      (DSO build, the normal way, uses apxs to derive build flags)
 193 #   --without-apxs   (DSO build, you tell us how to build using the environment)
 194
 195 AC_ARG_ENABLE(apache-13,
 196         AC_HELP_STRING([--enable-apache-13], [enable the Apache 1.3 modules]),
 197         [ if test "x$enableval" = "x" ; then
 198               WANT_APACHE_13=yes
 199           else
 200               WANT_APACHE_13="$enableval"
 201           fi
 202         ], [ WANT_APACHE_13=no ])
 203 AC_MSG_CHECKING(whether to build Apache-1.3 support)
 204 if test "$WANT_APACHE_13" != yes && test "$WANT_APACHE_13" != no ; then
 205    WANT_APACHE_13=yes
 206 fi
 207 AC_MSG_RESULT($WANT_APACHE_13)
 208
 209 if test "$WANT_APACHE_13" = yes ; then
 210
 211 AC_ARG_WITH(apxs,
 212 [  --with-apxs[=FILE]        Build shared Apache module(s). FILE is the optional
 213                           pathname to the Apache apxs tool; defaults to "apxs".],
 214 [
 215     if test "$withval" = "yes"; then
 216       for i in /usr/sbin /usr/local/apache/bin ; do
 217         if test -f "$i/apxs"; then
 218           APXS="$i/apxs"
 219         fi
 220       done
 221       if test -z "$APXS"; then
 222         APXS=apxs
 223       fi
 224     else
 225       APXS="$withval"
 226     fi
 227 ],
 228 [
 229     AC_PATH_PROG(APXS, apxs, no)
 230 ])
 231
 232 AC_MSG_CHECKING([for dynamic Apache-1.3 module support (w/ or w/o APXS)])
 233 if test "$APXS" = "no"; then
 234
 235     # --without-apxs means you want the modules,
 236     #       but want to tell us how to build them
 237     AC_MSG_RESULT(yes, but use environment, not apxs)
 238     echo
 239     echo "Did you set one or more of these?"
 240     echo
 241     echo "APXS_CFLAGS APXS_PREFIX APXS_INCLUDE APXS_LIBEXEC APXS_SYSCONFDIR"
 242     echo
 243
 244     AC_MSG_NOTICE([APXS_CFLAGS is $APXS_CFLAGS])
 245
 246     # try and find the Apache root
 247     if test -z "$APXS_PREFIX"; then
 248         if test -d "/usr/local/apache"; then
 249             APXS_PREFIX="/usr/local/apache"
 250         else
 251             AC_MSG_ERROR([You MUST set APXS_PREFIX so the right Apache can be located!])
 252         fi
 253     elif test ! -d "$APXS_PREFIX"; then
 254         AC_MSG_ERROR([APXS_PREFIX of $APXS_PREFIX cannot be found])
 255     fi
 256     AC_MSG_NOTICE([APXS_PREFIX is $APXS_PREFIX])
 257
 258
 259     # other subfolders might be derived from APXS_PREFIX
 260     if test -z "$APXS_INCLUDE"; then
 261         if test -f "$APXS_PREFIX/include/httpd.h"; then
 262             APXS_INCLUDE="$APXS_PREFIX/include"
 263         else
 264             AC_MSG_ERROR([can't find Apache include files beneath $APXS_PREFIX])
 265         fi
 266     elif ! test -f "$APXS_INCLUDE/httpd.h"; then
 267         AC_MSG_ERROR([APXS_INCLUDE of $APXS_INCLUDE does not contain Apache headers])
 268     fi
 269     AC_MSG_NOTICE([APXS_INCLUDE is $APXS_INCLUDE])
 270
 271     if test -z "$APXS_LIBEXEC"; then
 272         if test -d "$APXS_PREFIX/libexec"; then
 273             APXS_LIBEXEC="$APXS_PREFIX/libexec"
 274         elif test -d "$APXS_PREFIX/modules"; then
 275             APXS_LIBEXEC="$APXS_PREFIX/modules"
 276         else
 277             AC_MSG_ERROR([can't find Apache libexec/module directory beneath $APXS_PREFIX])
 278         fi
 279     elif ! test -d "$APXS_LIBEXEC"; then
 280         AC_MSG_ERROR([APXS_LIBEXEC of $APXS_LIBEXEC does not exist])
 281     fi
 282     AC_MSG_NOTICE([APXS_LIBEXEC is $APXS_LIBEXEC])
 283
 284     if test -z "$APXS_SYSCONFDIR"; then
 285         if test -d "$APXS_PREFIX/conf"; then
 286             APXS_SYSCONFDIR="$APXS_PREFIX/conf"
 287         else
 288             AC_MSG_ERROR([can't find Apache conf directory beneath $APXS_PREFIX])
 289         fi
 290     elif ! test -d "$APXS_SYSCONFDIR"; then
 291         AC_MSG_ERROR([APXS_SYSCONFDIR of $APXS_SYSCONFDIR does not exist])
 292     fi
 293     AC_MSG_NOTICE([APXS_SYSCONFDIR is $APXS_SYSCONFDIR])
 294
 295     WANT_APACHE_13="yes"
 296
 297 elif test -n "$APXS"; then
 298
 299     # extract settings we need from APXS -q
 300     APXS_CC="`$APXS -q CC`"
 301     APXS_CFLAGS="`$APXS -q CFLAGS` `$APXS -q CFLAGS_SHLIB`"
 302     APXS_INCLUDE="`$APXS -q INCLUDEDIR`"
 303     APXS_LIBEXEC="`$APXS -q LIBEXECDIR`"
 304     APXS_SYSCONFDIR="`$APXS -q SYSCONFDIR`"
 305
 306     AC_SUBST(APXS)
 307     AC_MSG_RESULT(found at $APXS)
 308
 309     if test -z "`$APXS -q LD_SHLIB`" || test "$APXS_LIBEXEC" = "modules"; then
 310             AC_MSG_ERROR(
 311 [Your APXS installation is broken and cannot be used.
 312     Please see http://www.webdav.org/mod_dav/install.html#apxs for
 313     more information.])
 314     fi
 315
 316     WANT_APACHE_13="yes"
 317
 318 else
 319     # guess we're not doing Apache 1.3
 320     AC_MSG_RESULT(no)
 321     WANT_APACHE_13="no"
 322 fi
 323 fi
 324
 325 if test "$WANT_APACHE_13" = "yes"; then
 326     AC_ARG_WITH(apreq,
 327                 AC_HELP_STRING([--with-apreq=PATH], [where libapreq is installed]),
 328                 [if test x_$with_apreq != x_/usr; then
 329                     LDFLAGS="-L${with_apreq}/lib $LDFLAGS"
 330                     CPPFLAGS="-I${with_apreq}/include $CPPFLAGS"
 331                 fi])
 332
 333     saved_CPPFLAGS="$CPPFLAGS"
 334     CPPFLAGS="-I$APXS_INCLUDE $APXS_CFLAGS $CPPFLAGS"
 335     AC_TRY_COMPILE([#include <libapreq/apache_request.h>],
 336                    [int i=0],
 337                    test_apreq="yes",test_apreq="no")
 338     if test "$test_apreq" = "no"; then
 339         CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE"
 340         APXS_CFLAGS="$APXS_CFLAGS -U_XOPEN_SOURCE"
 341         AC_CHECK_HEADER([libapreq/apache_request.h],,
 342             AC_MSG_ERROR([unable to find a usable libapreq header]))
 343     fi
 344
 345 dnl    saved_LIBS="$LIBS"
 346 dnl    LIBS="-lapreq $LIBS"
 347 dnl    AC_TRY_LINK(
 348 dnl        [#include <libapreq/apache_request.h>],
 349 dnl        [ApacheRequest_expires],
 350 dnl        [AC_DEFINE(HAVE_APREQ,1,[Define if apreq library was found])],
 351 dnl        [AC_MSG_ERROR([unable to link with apreq])
 352 dnl        ])
 353 dnl    LIBS="$saved_LIBS"
 354     CPPFLAGS="$saved_CPPFLAGS"
 355
 356     AC_ARG_ENABLE([apxs-install],
 357         AC_HELP_STRING([--enable-apxs-install],
 358                         [use apxs to install the apache modules]),
 359         APXS_INSTALL="yes", )
 360
 361
 362     AC_SUBST(APXS_CFLAGS)
 363     AC_SUBST(APXS_INCLUDE)
 364     AC_SUBST(APXS_LIBEXEC)
 365     AC_SUBST(APXS_SYSCONFDIR)
 366
 367     # output the Apache 1.3 makefiles
 368     WANT_SUBDIRS="$WANT_SUBDIRS mod_shire mod_shibrm"
 369 fi
 370 # always output the Makefile, even if we don't use it
 371 AC_CONFIG_FILES([mod_shire/Makefile mod_shibrm/Makefile])
 372 AM_CONDITIONAL(HAVE_APXS,test -n "$APXS")
 373 AM_CONDITIONAL(DO_APXS_INSTALL,test -n "$APXS_INSTALL")
 374
 375
 376 # Apache 2.0 (mod_shib in apache-2.0)
 377 #   --with-apache-20   (static build, no idea how to do this yet, so not supported)
 378 #   --with-apxs2       (DSO build, the normal way, uses apxs to derive build flags)
 379 #   --without-apxs2    (DSO build, you tell us how to build using the environment)
 380
 381 AC_ARG_ENABLE(apache-20,
 382         AC_HELP_STRING([--enable-apache-20], [enable the Apache 2.0 modules]),
 383         [ if test "x$enableval" = "x" ; then
 384               WANT_APACHE_20=yes
 385           else
 386               WANT_APACHE_20="$enableval"
 387           fi
 388         ], [ WANT_APACHE_20=no ])
 389
 390 AC_MSG_CHECKING(whether to build Apache-2.0 support)
 391 if test "$WANT_APACHE_20" != yes && test "$WANT_APACHE_20" != no ; then
 392    WANT_APACHE_20=yes
 393 fi
 394 AC_MSG_RESULT($WANT_APACHE_20)
 395
 396 if test "$WANT_APACHE_20" = yes ; then
 397
 398 AC_ARG_WITH(apxs2,
 399 [  --with-apxs2[=FILE]        Build shared Apache module(s). FILE is the optional
 400                           pathname to the Apache apxs tool; defaults to "apxs".],
 401 [
 402     if test "$withval" = "yes"; then
 403       for i in /usr/sbin /usr/local/apache/bin ; do
 404         if test -f "$i/apxs"; then
 405           APXS2="$i/apxs"
 406         fi
 407       done
 408       if test -z "$APXS2"; then
 409         APXS2=apxs
 410       fi
 411     else
 412       APXS2="$withval"
 413     fi
 414 ],
 415 [
 416     AC_PATH_PROG(APXS2, apxs, no)
 417 ])
 418
 419 AC_MSG_CHECKING([for dynamic Apache-2 module support (w/ or w/o APXS)])
 420 if test "$APXS2" = "no"; then
 421
 422     # --without-apxs2 means you want the modules,
 423     #       but want to tell us how to build them
 424     AC_MSG_RESULT(yes, but use environment, not apxs)
 425     echo
 426     echo "Did you set one or more of these?"
 427     echo
 428     echo "APXS2_CFLAGS APXS2_PREFIX APXS2_INCLUDE APXS2_LIBEXEC APXS2_SYSCONFDIR"
 429     echo
 430
 431     AC_MSG_NOTICE([APXS2_CFLAGS is $APXS2_CFLAGS])
 432
 433     # try and find the Apache root
 434     if test -z "$APXS2_PREFIX"; then
 435         if test -d "/usr/local/apache"; then
 436             APXS2_PREFIX="/usr/local/apache"
 437         else
 438             AC_MSG_ERROR([You MUST set APXS2_PREFIX so the right Apache-2 can be located!])
 439         fi
 440     elif test ! -d "$APXS2_PREFIX"; then
 441         AC_MSG_ERROR([APXS2_PREFIX of $APXS2_PREFIX cannot be found])
 442     fi
 443     AC_MSG_NOTICE([APXS2_PREFIX is $APXS2_PREFIX])
 444
 445
 446     # other subfolders might be derived from APXS2_PREFIX
 447     if test -z "$APXS2_INCLUDE"; then
 448         if test -f "$APXS2_PREFIX/include/httpd.h"; then
 449             APXS2_INCLUDE="$APXS2_PREFIX/include"
 450         else
 451             AC_MSG_ERROR([can't find Apache-2 include files beneath $APXS2_PREFIX])
 452         fi
 453     elif ! test -f "$APXS2_INCLUDE/httpd.h"; then
 454         AC_MSG_ERROR([APXS2_INCLUDE of $APXS2_INCLUDE does not contain Apache-2 headers])
 455     fi
 456     AC_MSG_NOTICE([APXS2_INCLUDE is $APXS2_INCLUDE])
 457
 458     if test -z "$APXS2_LIBEXEC"; then
 459         if test -d "$APXS2_PREFIX/libexec"; then
 460             APXS2_LIBEXEC="$APXS2_PREFIX/libexec"
 461         elif test -d "$APXS2_PREFIX/modules"; then
 462             APXS2_LIBEXEC="$APXS2_PREFIX/modules"
 463         else
 464             AC_MSG_ERROR([can't find Apache-2 libexec/module directory beneath $APXS2_PREFIX])
 465         fi
 466     elif ! test -d "$APXS2_LIBEXEC"; then
 467         AC_MSG_ERROR([APXS2_LIBEXEC of $APXS2_LIBEXEC does not exist])
 468     fi
 469     AC_MSG_NOTICE([APXS2_LIBEXEC is $APXS2_LIBEXEC])
 470
 471     if test -z "$APXS2_SYSCONFDIR"; then
 472         if test -d "$APXS2_PREFIX/conf"; then
 473             APXS2_SYSCONFDIR="$APXS2_PREFIX/conf"
 474         else
 475             AC_MSG_ERROR([can't find Apache-2 conf directory beneath $APXS2_PREFIX])
 476         fi
 477     elif ! test -d "$APXS2_SYSCONFDIR"; then
 478         AC_MSG_ERROR([APXS2_SYSCONFDIR of $APXS2_SYSCONFDIR does not exist])
 479     fi
 480     AC_MSG_NOTICE([APXS2_SYSCONFDIR is $APXS2_SYSCONFDIR])
 481
 482     WANT_APACHE_20="yes"
 483
 484 elif test -n "$APXS2"; then
 485
 486     # extract settings we need from APXS2 -q
 487     APXS2_CC="`$APXS2 -q CC`"
 488     APXS2_CFLAGS="`$APXS2 -q CFLAGS` `$APXS2 -q CFLAGS_SHLIB`"
 489     APXS2_INCLUDE="`$APXS2 -q INCLUDEDIR`"
 490     APXS2_LIBEXEC="`$APXS2 -q LIBEXECDIR`"
 491     APXS2_SYSCONFDIR="`$APXS2 -q SYSCONFDIR`"
 492
 493     AC_SUBST(APXS2)
 494     AC_MSG_RESULT(found at $APXS2)
 495
 496     if test -z "`$APXS2 -q LD_SHLIB`" && test -z "`$APXS2 -q LIBEXECDIR`" \
 497        || test "$APXS2_LIBEXEC" = "modules"; then
 498             AC_MSG_ERROR(
 499 [Your APXS installation is broken and cannot be used.
 500     Please see http://www.webdav.org/mod_dav/install.html#apxs for
 501     more information.])
 502     fi
 503
 504     WANT_APACHE_20="yes"
 505
 506 else
 507     # guess we're not doing Apache 2.0
 508     AC_MSG_RESULT(no)
 509     WANT_APACHE_20="no"
 510 fi
 511 fi
 512
 513 if test "$WANT_APACHE_20" = "yes"; then
 514     AC_ARG_WITH(apreq2,
 515                 AC_HELP_STRING([--with-apreq2=PATH], [where http-apreq-2 is installed]),
 516                 [if test x_$with_apreq2 != x_/usr; then
 517                     LDFLAGS="-L${with_apreq2}/lib $LDFLAGS"
 518                     CPPFLAGS="-I${with_apreq2}/include $CPPFLAGS"
 519                 fi])
 520
 521     saved_CPPFLAGS="$CPPFLAGS"
 522     CPPFLAGS="-I$APXS2_INCLUDE $APXS2_CFLAGS $CPPFLAGS"
 523     AC_TRY_COMPILE([#include <apreq.h>],
 524                    [int i=0],
 525                    test_apreq2="yes",test_apreq2="no")
 526     if test "$test_apreq2" = "no"; then
 527         CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE"
 528         APXS2_CFLAGS="$APXS2_CFLAGS -U_XOPEN_SOURCE"
 529         AC_CHECK_HEADER([apreq.h],,
 530             AC_MSG_ERROR([unable to find a usable libapreq2 header]))
 531     fi
 532
 533 dnl    saved_LIBS="$LIBS"
 534 dnl    LIBS="-lapreq $LIBS"
 535 dnl    AC_TRY_LINK(
 536 dnl        [#include <apreq.h>],
 537 dnl        [apreq_param],
 538 dnl        [AC_DEFINE(HAVE_APREQ2,1,[Define if apreq2 library was found])],
 539 dnl        [AC_MSG_ERROR([unable to link with apreq2])
 540 dnl        ])
 541 dnl    LIBS="$saved_LIBS"
 542     CPPFLAGS="$saved_CPPFLAGS"
 543
 544     AC_ARG_ENABLE([apxs2-install],
 545         AC_HELP_STRING([--enable-apxs2-install],
 546                         [use apxs to install the apache-2 modules]),
 547         APXS2_INSTALL="yes", )
 548
 549
 550     AC_SUBST(APXS2_CFLAGS)
 551     AC_SUBST(APXS2_INCLUDE)
 552     AC_SUBST(APXS2_LIBEXEC)
 553     AC_SUBST(APXS2_SYSCONFDIR)
 554
 555     # output the Apache 2.0 makefiles
 556     WANT_SUBDIRS="$WANT_SUBDIRS apache-2.0"
 557 fi
 558 # always output the Makefile, even if we don't use it
 559 AC_CONFIG_FILES([apache-2.0/Makefile])
 560 AM_CONDITIONAL(HAVE_APXS2,test -n "$APXS2")
 561 AM_CONDITIONAL(DO_APXS2_INSTALL,test -n "$APXS2_INSTALL")
 562
 563
 564 #
 565 # Implement the checks of the MySQL Credential Cache
 566 #
 567 # 1) Assume the user wants MySQL; if it's not found then just continue without
 568 # 2) If the user specifically requested Mysql, look for it and ERROR if not found
 569 # 3) If the user specifically requested no-mysql, don't build it.
 570 #
 571
 572 AC_CONFIG_FILES([shib-mysql-ccache/Makefile])
 573
 574 # determine whether we should enable the mysql ccache
 575 AC_ARG_ENABLE([mysql],
 576         AC_HELP_STRING([--disable-mysql], [disable the MySQL Credential Cache]),
 577         [mysql_enabled=$enableval], [mysql_enabled=default])
 578
 579 if test "x$mysql_enabled" = "x" ; then
 580    mysql_enabled=yes
 581 fi
 582
 583 # Are we trying to build MySQL?
 584 AC_MSG_CHECKING(whether to build the MySQL ccache)
 585 if test "$mysql_enabled" = "yes" ; then
 586    build_mysql=yes
 587    AC_MSG_RESULT(yes)
 588 elif test "$mysql_enabled" = "default" ; then
 589    build_mysql=yes
 590    AC_MSG_RESULT([yes, if it can be found])
 591 else
 592    build_mysql=no
 593    AC_MSG_RESULT(no)
 594 fi
 595
 596 # If we're trying to build MySQL, try to find the mysql_config program,
 597 # verify we've got mysql >= 4, and make sure we can build with mysqld
 598 if test "$build_mysql" = "yes" ; then
 599    mysql_dir=""
 600    AC_ARG_WITH(mysql,
 601         AC_HELP_STRING([--with-mysql=PATH], [directory where mysql is installed]),
 602             [if test "$with_mysql" = no ; then
 603                AC_MSG_ERROR([Try running --disable-mysql instead.])
 604              elif test "$with_mysql" != yes ; then
 605                mysql_dir="$with_mysql/bin"
 606              fi ])
 607
 608    # Try to find the mysql_config program
 609    AC_PATH_PROG(MYSQL_CONFIG, mysql_config, no, $mysql_dir $PATH )
 610
 611    if test "$MYSQL_CONFIG" = no ; then
 612       if test "$mysql_enabled" = "yes" ; then
 613         AC_MSG_ERROR(Cannot find mysql_config)
 614       else
 615         AC_MSG_WARN(MySQL not found.  skipping.)
 616       fi
 617    fi
 618 fi
 619
 620 # if we found mysql_config then build_mysql is 'yes'
 621 if test "$MYSQL_CONFIG" != no ; then
 622    AC_MSG_CHECKING(for mysql version >= 4)
 623    mysql_version=`$MYSQL_CONFIG --version`
 624    mysql_major_version=`echo $mysql_version | awk -F. '{print $1}'`
 625    mysql_version_ok=yes
 626    if test $mysql_major_version -lt 4 ; then
 627      mysql_version_ok=no
 628      if test "$mysql_enabled" = "yes" ; then
 629        AC_MSG_ERROR(You need MySQL version >= 4, found $mysql_version)
 630      fi
 631      AC_MSG_RESULT(no.. skipping MySQL)
 632    else
 633      AC_MSG_RESULT(yes)
 634    fi
 635 fi
 636
 637 # if mysql_version_ok is 'yes', then we've made it this far.. ;)
 638 if test "$mysql_version_ok" = "yes" ; then
 639    AC_MSG_CHECKING(for embedded-MySQL libraries)
 640    MYSQL_LIBS=`$MYSQL_CONFIG --libmysqld-libs`
 641    if test $? != 0 ; then
 642       found_mysql=no
 643       if test "$mysql_enabled" = "yes" ; then
 644         AC_MSG_ERROR(Could not find the MySQL Embedded-server libraries.)
 645       else
 646         AC_MSG_RESULT(no.. skipping MySQL)
 647       fi
 648    else
 649       found_mysql=yes
 650       AC_MSG_RESULT(yes)
 651    fi
 652 fi
 653
 654 # if found_mysql=yes then test that we can actually build mysql
 655 if test "$found_mysql" = yes ; then
 656    MYSQL_CFLAGS=`$MYSQL_CONFIG --cflags`
 657    MYSQL_CFLAGS=`eval echo $MYSQL_CFLAGS`
 658    MYSQL_LIBS=`eval echo $MYSQL_LIBS`
 659
 660    save_CPPFLAGS="$CPPFLAGS"
 661    CPPFLAGS="$CPPFLAGS $MYSQL_CFLAGS"
 662
 663    AC_CHECK_HEADER([mysql.h], [have_mysql_h=yes], [have_mysql_h=no])
 664    if test "$have_mysql_h" = no -a "$mysql_enabled" = "yes" ; then
 665      AC_MSG_ERROR(unable to find MySQL header files)
 666    fi
 667
 668    if test "$have_mysql_h" = yes ; then
 669       save_LIBS="$LIBS"
 670       LIBS="$LIBS $MYSQL_LIBS"
 671       AC_MSG_CHECKING(if we can link againt mysql)
 672       AC_TRY_LINK(
 673         [#include <mysql.h>
 674          #include <stdio.h>],
 675         [mysql_server_init(0, NULL, NULL)],
 676         [have_mysql_libs=yes],
 677         [have_mysql_libs=no])
 678       LIBS="$save_LIBS"
 679
 680       if test "$have_mysql_libs" = no ; then
 681          if test "$mysql_enabled" = "yes" ; then
 682             AC_MSG_ERROR([unable to link with MySQL Embedded Server Library])
 683          else
 684             AC_MSG_RESULT(no.  skipping MySQL)
 685          fi
 686       fi
 687    fi
 688
 689    CPPFLAGS="$save_CPPFLAGS"
 690 fi
 691
 692 # if have_mysql_libs=yes then go ahead with building MySQL
 693 if test "$have_mysql_libs" = yes ; then
 694    # this AC_MSG_RESULT is from above!
 695    AC_MSG_RESULT(yes)
 696    WANT_SUBDIRS="$WANT_SUBDIRS shib-mysql-ccache"
 697    AC_SUBST(MYSQL_CFLAGS)
 698    AC_SUBST(MYSQL_LIBS)
 699 fi
 700
 701
 702 AC_SUBST(WANT_SUBDIRS)
 703
 704 if test -n "$APXS_CC" && test "$APXS_CC" != "$CC" ; then
 705   echo "=================================================================="
 706   echo "WARNING: You have chosen to compile Apache-1.3 modules with a different"
 707   echo "         compiler than the one used to compile Apache."
 708   echo ""
 709   echo "    Current compiler:      $CC"
 710   echo "   Apache's compiler:      $APXS_CC"
 711   echo ""
 712   echo "This could cause some problems."
 713   echo "=================================================================="
 714 fi
 715
 716 if test -n "$APXS2_CC" && test "$APXS2_CC" != "$CC" ; then
 717   echo "=================================================================="
 718   echo "WARNING: You have chosen to compile Apache-2 modules with a different"
 719   echo "         compiler than the one used to compile Apache."
 720   echo ""
 721   echo "    Current compiler:      $CC"
 722   echo "   Apache's compiler:      $APXS2_CC"
 723   echo ""
 724   echo "This could cause some problems."
 725   echo "=================================================================="
 726 fi
 727
 728 AC_OUTPUT
 729