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_FUNC_STRERROR_R
  24 AC_CHECK_FUNCS([strchr strdup strstr gmtime_r strtok_r strcasecmp])
  25 AC_CHECK_HEADERS([dlfcn.h])
  26
  27 # C++ requirements
  28 AC_CXX_REQUIRE_STL
  29 AC_CXX_NAMESPACES
  30
  31
  32 # old_LIBS="$LIBS"
  33 # AC_SEARCH_LIBS(xdr_uint64_t,nsl,,
  34 #       [CFLAGS="$CFLAGS -DNEED_XDR_LONGLONG"
  35 #        CXXFLAGS="$CXXFLAGS -DNEED_XDR_LONGLONG"])
  36 # LIBS="$old_LIBS"
  37
  38 # checks for pthreads
  39 ACX_PTHREAD([enable_threads="pthread"],[enable_threads="no"])
  40 if test $enable_threads != "pthread"; then
  41     AC_MSG_ERROR([unable to find pthreads, currently this is required])
  42 else
  43     AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
  44     LIBS="$PTHREAD_LIBS $LIBS"
  45     CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
  46     CXXFLAGS="$PTHREAD_CFLAGS $CXXFLAGS"
  47 fi
  48
  49 # Test RPC now -- deal with it later
  50 ACX_RPCTEST([rpctest="yes"],[rpctest="no"])
  51
  52 AC_ARG_WITH(dmalloc,
  53             AC_HELP_STRING([--with-dmalloc=PATH], [where dmalloc is installed]),
  54             [if test x_$with_dmalloc != x_/usr; then
  55                 LDFLAGS="-L${with_dmalloc}/lib $LDFLAGS"
  56                 CPPFLAGS="-I${with_dmalloc}/include $CPPFLAGS"
  57             fi
  58             AC_CHECK_LIB(dmallocxx, dmalloc_shutdown,,
  59                          AC_MSG_ERROR([unable to find dmallocxx library]))
  60             ])
  61
  62 # OpenSSL settings
  63 AC_PATH_PROG(PKG_CONFIG, pkg-config)
  64 if test "x$PKG_CONFIG" = x || test "x$PKG_CONFIG" = "xno" ; then
  65     AC_ARG_WITH(openssl,
  66             AC_HELP_STRING([--with-openssl=PATH], [where openssl is installed]),
  67             [if test x_$with_openssl != x_/usr; then
  68             SSLLIBS="-L${with_openssl}/lib"
  69             SSLFLAGS="-I${with_openssl}/include"
  70             fi])
  71     SSLLIBS="$SSLLIBS -lssl -lcrypto"
  72 else
  73     SSLLIBS="`$PKG_CONFIG --libs openssl`"
  74     SSLFLAGS="`$PKG_CONFIG --cflags openssl`"
  75 fi
  76 AC_MSG_CHECKING(for OpenSSL libraries)
  77 AC_MSG_RESULT($SSLLIBS)
  78 LIBS="$LIBS $SSLLIBS"
  79 AC_MSG_CHECKING(for OpenSSL cflags)
  80 AC_MSG_RESULT($SSLFLAGS)
  81 CPPFLAGS="$SSLFLAGS $CPPFLAGS"
  82
  83 AC_CHECK_HEADER([openssl/ssl.h],,
  84                 AC_MSG_ERROR([unable to find openssl header files]))
  85 AC_MSG_CHECKING(for ERR_load_CRYPTO_string)
  86 AC_TRY_LINK_FUNC([ERR_load_CRYPTO_strings],,
  87              AC_MSG_ERROR([unable to link with openssl libraries]))
  88 AC_MSG_RESULT(yes)
  89 AC_MSG_CHECKING(for SSL_library_init)
  90 AC_TRY_LINK_FUNC([SSL_library_init],,
  91              AC_MSG_ERROR([unable to link with openssl libraries]))
  92 AC_MSG_RESULT(yes)
  93
  94 # log4cpp settings
  95 AC_PATH_PROG(LOG4CPP_CONFIG,log4cpp-config)
  96 AC_ARG_WITH(log4cpp,
  97             AC_HELP_STRING([--with-log4cpp=PATH], [where log4cpp is installed]),
  98             [LOG4CPP_CONFIG="${with_log4cpp}/bin/log4cpp-config"])
  99 if test -f "${LOG4CPP_CONFIG}"; then
 100     LDFLAGS="`${LOG4CPP_CONFIG} --libs` $LDFLAGS"
 101     CPPFLAGS="`${LOG4CPP_CONFIG} --cflags` $CPPFLAGS"
 102 else
 103     AC_MSG_WARN([log4cpp-config not found, guessing at log4cpp build settings])
 104     LIBS="-llog4cpp $LIBS"
 105 fi
 106 AC_CHECK_HEADER([log4cpp/Category.hh],,AC_MSG_ERROR([unable to find log4cpp header files]))
 107 AC_TRY_LINK(
 108         [#include <log4cpp/Category.hh>],
 109         [log4cpp::Category::getInstance("foo")],
 110         [AC_DEFINE(HAVE_LIBLOG4CPP,1,[Define if log4cpp library was found])],
 111         [AC_MSG_ERROR([unable to link with log4cpp])])
 112
 113 # Xerces settings
 114 AC_ARG_WITH(xerces,
 115             AC_HELP_STRING([--with-xerces=PATH], [where xerces-c is installed]),
 116             [if test x_$with_xerces != x_/usr; then
 117                 LDFLAGS="-L${with_xerces}/lib $LDFLAGS"
 118                 CPPFLAGS="-I${with_xerces}/include $CPPFLAGS"
 119             fi])
 120 LIBS="-lxerces-c $LIBS"
 121 AC_CHECK_HEADER([xercesc/dom/DOM.hpp],,
 122                 AC_MSG_ERROR([unable to find xerces header files]))
 123 AC_TRY_LINK(
 124         [#include <xercesc/util/PlatformUtils.hpp>
 125 #include <xercesc/util/XercesVersion.hpp>],
 126         [#if _XERCES_VERSION >= 20300
 127 xercesc::XMLPlatformUtils::Initialize();
 128 #else
 129 #error Need Xerces-C version 2.3 or higher
 130 #endif],
 131         [AC_DEFINE(HAVE_LIBXERCESC,1,[Define if Xerces-C library was found])],
 132         [AC_MSG_ERROR([unable to link with Xerces])])
 133
 134 # XML-Security settings
 135 AC_ARG_WITH(xmlsec,
 136             AC_HELP_STRING([--with-xmlsec=PATH], [where xmlsec is installed]),
 137             [if test x_$with_xmlsec != x_/usr; then
 138                 LDFLAGS="-L${with_xmlsec}/lib $LDFLAGS"
 139                 CPPFLAGS="-I${with_xmlsec}/include $CPPFLAGS"
 140             fi])
 141 LIBS="-lxml-security-c $LIBS"
 142 AC_CHECK_HEADER([xsec/utils/XSECPlatformUtils.hpp],,AC_MSG_ERROR([unable to find xsec header files]))
 143 AC_TRY_LINK(
 144         [#include <xsec/utils/XSECPlatformUtils.hpp>],
 145         [XSECPlatformUtils::Initialise()],
 146         [AC_DEFINE(HAVE_LIBXSEC,1,[Define if XML-Sec library was found])],
 147         [AC_MSG_ERROR([unable to link with XML-Sec])])
 148
 149 # OpenSAML settings
 150 AC_ARG_WITH(saml,
 151             AC_HELP_STRING([--with-saml=PATH], [where saml is installed]),
 152             [if test x_$with_saml != x_/usr; then
 153                 LDFLAGS="-L${with_saml}/lib $LDFLAGS"
 154                 CPPFLAGS="-I${with_saml}/include $CPPFLAGS"
 155             fi])
 156 AC_CHECK_HEADER([saml/saml.h],,
 157                 AC_MSG_ERROR([unable to find saml header files]))
 158 LIBS="-lsaml $LIBS"
 159 AC_TRY_LINK(
 160         [#include <saml/saml.h>
 161 #include <saml/version.h>],
 162         [#if _OPENSAML_VERSION >= 10000
 163 saml::SAMLConfig::getConfig();
 164 #else
 165 #error Need OpenSAML version 1.0 or higher
 166 #endif],
 167         [AC_DEFINE(HAVE_SAML,1,[Define if saml library was found])],
 168         [AC_MSG_ERROR([unable to link with saml, or version too old])])
 169
 170 # output the underlying makefiles
 171 WANT_SUBDIRS="doc shib schemas configs shib-target shar siterefresh test xmlproviders"
 172 AC_CONFIG_FILES([Makefile doc/Makefile shib/Makefile schemas/Makefile \
 173                  configs/Makefile oncrpc/Makefile oncrpc/rpc/Makefile \
 174                  shib-target/Makefile shar/Makefile siterefresh/Makefile \
 175                  test/Makefile xmlproviders/Makefile])
 176
 177
 178 # now deal with the rpc library, to see if we need to build our own
 179 if test $rpctest = "no"; then
 180     WANT_SUBDIRS="oncrpc $WANT_SUBDIRS"
 181         AC_DEFINE(USE_OUR_ONCRPC,1,[Define if using embedded version of ONC RPC.])
 182 fi
 183 AM_CONDITIONAL(USE_OUR_ONCRPC,test "$rpctest" = "no")
 184
 185
 186 # Apache 1.3 (mod_shib_13)
 187 #   --with-apache-13 (static build, no idea how to do this yet, so not supported)
 188 #   --with-apxs      (DSO build, the normal way, uses apxs to derive build flags)
 189 #   --without-apxs   (DSO build, you tell us how to build using the environment)
 190
 191 AC_ARG_ENABLE(apache-13,
 192         AC_HELP_STRING([--enable-apache-13], [enable the Apache 1.3 modules]),
 193         [ if test "x$enableval" = "x" ; then
 194               WANT_APACHE_13=yes
 195           else
 196               WANT_APACHE_13="$enableval"
 197           fi
 198         ], [ WANT_APACHE_13=no ])
 199 AC_MSG_CHECKING(whether to build Apache-1.3 support)
 200 if test "$WANT_APACHE_13" != yes && test "$WANT_APACHE_13" != no ; then
 201    WANT_APACHE_13=yes
 202 fi
 203 AC_MSG_RESULT($WANT_APACHE_13)
 204
 205 if test "$WANT_APACHE_13" = yes ; then
 206
 207 AC_ARG_WITH(apxs,
 208 [  --with-apxs[=FILE]        Build shared Apache module(s). FILE is the optional
 209                           pathname to the Apache apxs tool; defaults to "apxs".],
 210 [
 211     if test "$withval" = "yes"; then
 212       for i in /usr/sbin /usr/local/apache/bin ; do
 213         if test -f "$i/apxs"; then
 214           APXS="$i/apxs"
 215         fi
 216       done
 217       if test -z "$APXS"; then
 218         APXS=apxs
 219       fi
 220     else
 221       APXS="$withval"
 222     fi
 223 ],
 224 [
 225     AC_PATH_PROG(APXS, apxs, no)
 226 ])
 227
 228 AC_MSG_CHECKING([for dynamic Apache-1.3 module support (w/ or w/o APXS)])
 229 if test "$APXS" = "no"; then
 230
 231     # --without-apxs means you want the modules,
 232     #       but want to tell us how to build them
 233     AC_MSG_RESULT(yes, but use environment, not apxs)
 234     echo
 235     echo "Did you set one or more of these?"
 236     echo
 237     echo "APXS_CFLAGS APXS_PREFIX APXS_INCLUDE APXS_LIBEXEC APXS_SYSCONFDIR"
 238     echo
 239
 240     AC_MSG_NOTICE([APXS_CFLAGS is $APXS_CFLAGS])
 241
 242     # try and find the Apache root
 243     if test -z "$APXS_PREFIX"; then
 244         if test -d "/usr/local/apache"; then
 245             APXS_PREFIX="/usr/local/apache"
 246         else
 247             AC_MSG_ERROR([You MUST set APXS_PREFIX so the right Apache can be located!])
 248         fi
 249     elif test ! -d "$APXS_PREFIX"; then
 250         AC_MSG_ERROR([APXS_PREFIX of $APXS_PREFIX cannot be found])
 251     fi
 252     AC_MSG_NOTICE([APXS_PREFIX is $APXS_PREFIX])
 253
 254
 255     # other subfolders might be derived from APXS_PREFIX
 256     if test -z "$APXS_INCLUDE"; then
 257         if test -f "$APXS_PREFIX/include/httpd.h"; then
 258             APXS_INCLUDE="$APXS_PREFIX/include"
 259         else
 260             AC_MSG_ERROR([can't find Apache include files beneath $APXS_PREFIX])
 261         fi
 262     elif ! test -f "$APXS_INCLUDE/httpd.h"; then
 263         AC_MSG_ERROR([APXS_INCLUDE of $APXS_INCLUDE does not contain Apache headers])
 264     fi
 265     AC_MSG_NOTICE([APXS_INCLUDE is $APXS_INCLUDE])
 266
 267     if test -z "$APXS_LIBEXEC"; then
 268         if test -d "$APXS_PREFIX/libexec"; then
 269             APXS_LIBEXEC="$APXS_PREFIX/libexec"
 270         elif test -d "$APXS_PREFIX/modules"; then
 271             APXS_LIBEXEC="$APXS_PREFIX/modules"
 272         else
 273             AC_MSG_ERROR([can't find Apache libexec/module directory beneath $APXS_PREFIX])
 274         fi
 275     elif ! test -d "$APXS_LIBEXEC"; then
 276         AC_MSG_ERROR([APXS_LIBEXEC of $APXS_LIBEXEC does not exist])
 277     fi
 278     AC_MSG_NOTICE([APXS_LIBEXEC is $APXS_LIBEXEC])
 279
 280     if test -z "$APXS_SYSCONFDIR"; then
 281         if test -d "$APXS_PREFIX/conf"; then
 282             APXS_SYSCONFDIR="$APXS_PREFIX/conf"
 283         else
 284             AC_MSG_ERROR([can't find Apache conf directory beneath $APXS_PREFIX])
 285         fi
 286     elif ! test -d "$APXS_SYSCONFDIR"; then
 287         AC_MSG_ERROR([APXS_SYSCONFDIR of $APXS_SYSCONFDIR does not exist])
 288     fi
 289     AC_MSG_NOTICE([APXS_SYSCONFDIR is $APXS_SYSCONFDIR])
 290
 291     WANT_APACHE_13="yes"
 292
 293 elif test -n "$APXS"; then
 294
 295     # extract settings we need from APXS -q
 296     APXS_CC="`$APXS -q CC`"
 297     APXS_CFLAGS="`$APXS -q CFLAGS` `$APXS -q CFLAGS_SHLIB`"
 298     APXS_INCLUDE="`$APXS -q INCLUDEDIR`"
 299     APXS_LIBEXEC="`$APXS -q LIBEXECDIR`"
 300     APXS_SYSCONFDIR="`$APXS -q SYSCONFDIR`"
 301
 302     AC_SUBST(APXS)
 303     AC_MSG_RESULT(found at $APXS)
 304
 305     if test -z "`$APXS -q LD_SHLIB`" || test "$APXS_LIBEXEC" = "modules"; then
 306             AC_MSG_ERROR(
 307 [Your APXS installation is broken and cannot be used.
 308     Please see http://www.webdav.org/mod_dav/install.html#apxs for
 309     more information.])
 310     fi
 311
 312     WANT_APACHE_13="yes"
 313
 314 else
 315     # guess we're not doing Apache 1.3
 316     AC_MSG_RESULT(no)
 317     WANT_APACHE_13="no"
 318 fi
 319 fi
 320
 321 if test "$WANT_APACHE_13" = "yes"; then
 322     AC_ARG_ENABLE([apxs-install],
 323         AC_HELP_STRING([--enable-apxs-install],
 324                         [use apxs to install the apache modules]),
 325         APXS_INSTALL="yes", )
 326
 327
 328     AC_SUBST(APXS_CFLAGS)
 329     AC_SUBST(APXS_INCLUDE)
 330     AC_SUBST(APXS_LIBEXEC)
 331     AC_SUBST(APXS_SYSCONFDIR)
 332 fi
 333 AM_CONDITIONAL(HAVE_APXS,test -n "$APXS")
 334 AM_CONDITIONAL(DO_APXS_INSTALL,test -n "$APXS_INSTALL")
 335
 336
 337 # Apache 2.0 (mod_shib_20)
 338 #   --with-apache-20   (static build, no idea how to do this yet, so not supported)
 339 #   --with-apxs2       (DSO build, the normal way, uses apxs to derive build flags)
 340 #   --without-apxs2    (DSO build, you tell us how to build using the environment)
 341
 342 AC_ARG_ENABLE(apache-20,
 343         AC_HELP_STRING([--enable-apache-20], [enable the Apache 2.0 modules]),
 344         [ if test "x$enableval" = "x" ; then
 345               WANT_APACHE_20=yes
 346           else
 347               WANT_APACHE_20="$enableval"
 348           fi
 349         ], [ WANT_APACHE_20=no ])
 350
 351 AC_MSG_CHECKING(whether to build Apache-2.0 support)
 352 if test "$WANT_APACHE_20" != yes && test "$WANT_APACHE_20" != no ; then
 353    WANT_APACHE_20=yes
 354 fi
 355 AC_MSG_RESULT($WANT_APACHE_20)
 356
 357 if test "$WANT_APACHE_20" = yes ; then
 358
 359 AC_ARG_WITH(apxs2,
 360 [  --with-apxs2[=FILE]        Build shared Apache module(s). FILE is the optional
 361                           pathname to the Apache apxs tool; defaults to "apxs".],
 362 [
 363     if test "$withval" = "yes"; then
 364       for i in /usr/sbin /usr/local/apache/bin ; do
 365         if test -f "$i/apxs"; then
 366           APXS2="$i/apxs"
 367         fi
 368       done
 369       if test -z "$APXS2"; then
 370         APXS2=apxs
 371       fi
 372     else
 373       APXS2="$withval"
 374     fi
 375 ],
 376 [
 377     AC_PATH_PROG(APXS2, apxs, no)
 378 ])
 379
 380 AC_MSG_CHECKING([for dynamic Apache-2 module support (w/ or w/o APXS)])
 381 if test "$APXS2" = "no"; then
 382
 383     # --without-apxs2 means you want the modules,
 384     #       but want to tell us how to build them
 385     AC_MSG_RESULT(yes, but use environment, not apxs)
 386     echo
 387     echo "Did you set one or more of these?"
 388     echo
 389     echo "APXS2_CFLAGS APXS2_PREFIX APXS2_INCLUDE APXS2_LIBEXEC APXS2_SYSCONFDIR"
 390     echo
 391
 392     AC_MSG_NOTICE([APXS2_CFLAGS is $APXS2_CFLAGS])
 393
 394     # try and find the Apache root
 395     if test -z "$APXS2_PREFIX"; then
 396         if test -d "/usr/local/apache"; then
 397             APXS2_PREFIX="/usr/local/apache"
 398         else
 399             AC_MSG_ERROR([You MUST set APXS2_PREFIX so the right Apache-2 can be located!])
 400         fi
 401     elif test ! -d "$APXS2_PREFIX"; then
 402         AC_MSG_ERROR([APXS2_PREFIX of $APXS2_PREFIX cannot be found])
 403     fi
 404     AC_MSG_NOTICE([APXS2_PREFIX is $APXS2_PREFIX])
 405
 406
 407     # other subfolders might be derived from APXS2_PREFIX
 408     if test -z "$APXS2_INCLUDE"; then
 409         if test -f "$APXS2_PREFIX/include/httpd.h"; then
 410             APXS2_INCLUDE="$APXS2_PREFIX/include"
 411         else
 412             AC_MSG_ERROR([can't find Apache-2 include files beneath $APXS2_PREFIX])
 413         fi
 414     elif ! test -f "$APXS2_INCLUDE/httpd.h"; then
 415         AC_MSG_ERROR([APXS2_INCLUDE of $APXS2_INCLUDE does not contain Apache-2 headers])
 416     fi
 417     AC_MSG_NOTICE([APXS2_INCLUDE is $APXS2_INCLUDE])
 418
 419     if test -z "$APXS2_LIBEXEC"; then
 420         if test -d "$APXS2_PREFIX/libexec"; then
 421             APXS2_LIBEXEC="$APXS2_PREFIX/libexec"
 422         elif test -d "$APXS2_PREFIX/modules"; then
 423             APXS2_LIBEXEC="$APXS2_PREFIX/modules"
 424         else
 425             AC_MSG_ERROR([can't find Apache-2 libexec/module directory beneath $APXS2_PREFIX])
 426         fi
 427     elif ! test -d "$APXS2_LIBEXEC"; then
 428         AC_MSG_ERROR([APXS2_LIBEXEC of $APXS2_LIBEXEC does not exist])
 429     fi
 430     AC_MSG_NOTICE([APXS2_LIBEXEC is $APXS2_LIBEXEC])
 431
 432     if test -z "$APXS2_SYSCONFDIR"; then
 433         if test -d "$APXS2_PREFIX/conf"; then
 434             APXS2_SYSCONFDIR="$APXS2_PREFIX/conf"
 435         else
 436             AC_MSG_ERROR([can't find Apache-2 conf directory beneath $APXS2_PREFIX])
 437         fi
 438     elif ! test -d "$APXS2_SYSCONFDIR"; then
 439         AC_MSG_ERROR([APXS2_SYSCONFDIR of $APXS2_SYSCONFDIR does not exist])
 440     fi
 441     AC_MSG_NOTICE([APXS2_SYSCONFDIR is $APXS2_SYSCONFDIR])
 442
 443     WANT_APACHE_20="yes"
 444
 445 elif test -n "$APXS2"; then
 446
 447     # extract settings we need from APXS2 -q
 448     APXS2_CC="`$APXS2 -q CC`"
 449     APXS2_CFLAGS="`$APXS2 -q CFLAGS` `$APXS2 -q CFLAGS_SHLIB`"
 450     APXS2_INCLUDE="`$APXS2 -q INCLUDEDIR`"
 451     APXS2_LIBEXEC="`$APXS2 -q LIBEXECDIR`"
 452     APXS2_SYSCONFDIR="`$APXS2 -q SYSCONFDIR`"
 453
 454     AC_SUBST(APXS2)
 455     AC_MSG_RESULT(found at $APXS2)
 456
 457     if test -z "`$APXS2 -q LD_SHLIB`" && test -z "`$APXS2 -q LIBEXECDIR`" \
 458        || test "$APXS2_LIBEXEC" = "modules"; then
 459             AC_MSG_ERROR(
 460 [Your APXS installation is broken and cannot be used.
 461     Please see http://www.webdav.org/mod_dav/install.html#apxs for
 462     more information.])
 463     fi
 464
 465     WANT_APACHE_20="yes"
 466
 467 else
 468     # guess we're not doing Apache 2.0
 469     AC_MSG_RESULT(no)
 470     WANT_APACHE_20="no"
 471 fi
 472 fi
 473
 474 if test "$WANT_APACHE_20" = "yes"; then
 475     AC_ARG_ENABLE([apxs2-install],
 476         AC_HELP_STRING([--enable-apxs2-install],
 477                         [use apxs to install the apache-2 modules]),
 478         APXS2_INSTALL="yes", )
 479
 480     AC_SUBST(APXS2_CFLAGS)
 481     AC_SUBST(APXS2_INCLUDE)
 482     AC_SUBST(APXS2_LIBEXEC)
 483     AC_SUBST(APXS2_SYSCONFDIR)
 484 fi
 485 AM_CONDITIONAL(HAVE_APXS2,test -n "$APXS2")
 486 AM_CONDITIONAL(DO_APXS2_INSTALL,test -n "$APXS2_INSTALL")
 487
 488 # always output the Makefile, even if you don't use it
 489 AC_CONFIG_FILES([apache/Makefile])
 490 AM_CONDITIONAL(BUILD_AP13,test "$WANT_APACHE_13" = "yes")
 491 AM_CONDITIONAL(BUILD_AP20,test "$WANT_APACHE_20" = "yes")
 492
 493 # add the apache module to the list of wanted subdirs..
 494 if test "$WANT_APACHE_13" = "yes" || test "$WANT_APACHE_20" = "yes" ; then
 495     WANT_SUBDIRS="$WANT_SUBDIRS apache"
 496 fi
 497
 498
 499 #
 500 # Implement the checks of the MySQL Credential Cache
 501 #
 502 # 1) Assume the user wants MySQL; if it's not found then just continue without
 503 # 2) If the user specifically requested Mysql, look for it and ERROR if not found
 504 # 3) If the user specifically requested no-mysql, don't build it.
 505 #
 506
 507 AC_CONFIG_FILES([shib-mysql-ccache/Makefile])
 508
 509 # determine whether we should enable the mysql ccache
 510 AC_ARG_ENABLE([mysql],
 511         AC_HELP_STRING([--disable-mysql], [disable the MySQL Credential Cache]),
 512         [mysql_enabled=$enableval], [mysql_enabled=default])
 513
 514 if test "x$mysql_enabled" = "x" ; then
 515    mysql_enabled=yes
 516 fi
 517
 518 # Are we trying to build MySQL?
 519 AC_MSG_CHECKING(whether to build the MySQL ccache)
 520 if test "$mysql_enabled" = "yes" ; then
 521    build_mysql=yes
 522    AC_MSG_RESULT(yes)
 523 elif test "$mysql_enabled" = "default" ; then
 524    build_mysql=yes
 525    AC_MSG_RESULT([yes, if it can be found])
 526 else
 527    build_mysql=no
 528    AC_MSG_RESULT(no)
 529 fi
 530
 531 # If we're trying to build MySQL, try to find the mysql_config program,
 532 # verify we've got mysql >= 4, and make sure we can build with mysqld
 533 if test "$build_mysql" = "yes" ; then
 534    mysql_dir=""
 535    AC_ARG_WITH(mysql,
 536         AC_HELP_STRING([--with-mysql=PATH], [directory where mysql is installed]),
 537             [if test "$with_mysql" = no ; then
 538                AC_MSG_ERROR([Try running --disable-mysql instead.])
 539              elif test "$with_mysql" != yes ; then
 540                mysql_dir="$with_mysql/bin"
 541              fi ])
 542
 543    # Try to find the mysql_config program
 544    AC_PATH_PROG(MYSQL_CONFIG, mysql_config, no, $mysql_dir $PATH )
 545
 546    if test "$MYSQL_CONFIG" = no ; then
 547       if test "$mysql_enabled" = "yes" ; then
 548         AC_MSG_ERROR(Cannot find mysql_config)
 549       else
 550         AC_MSG_WARN(MySQL not found.  skipping.)
 551       fi
 552    fi
 553 fi
 554
 555 # if we found mysql_config then build_mysql is 'yes'
 556 if test "$MYSQL_CONFIG" != no ; then
 557    AC_MSG_CHECKING(for mysql version >= 4)
 558    mysql_version=`$MYSQL_CONFIG --version`
 559    mysql_major_version=`echo $mysql_version | awk -F. '{print $1}'`
 560    mysql_version_ok=yes
 561    if test $mysql_major_version -lt 4 ; then
 562      mysql_version_ok=no
 563      if test "$mysql_enabled" = "yes" ; then
 564        AC_MSG_ERROR(You need MySQL version >= 4, found $mysql_version)
 565      fi
 566      AC_MSG_RESULT(no.. skipping MySQL)
 567    else
 568      AC_MSG_RESULT(yes)
 569    fi
 570 fi
 571
 572 # if mysql_version_ok is 'yes', then we've made it this far.. ;)
 573 if test "$mysql_version_ok" = "yes" ; then
 574    AC_MSG_CHECKING(for embedded-MySQL libraries)
 575    MYSQL_LIBS=`$MYSQL_CONFIG --libmysqld-libs`
 576    if test $? != 0 ; then
 577       found_mysql=no
 578       if test "$mysql_enabled" = "yes" ; then
 579         AC_MSG_ERROR(Could not find the MySQL Embedded-server libraries.)
 580       else
 581         AC_MSG_RESULT(no.. skipping MySQL)
 582       fi
 583    else
 584       found_mysql=yes
 585       AC_MSG_RESULT(yes)
 586    fi
 587 fi
 588
 589 # if found_mysql=yes then test that we can actually build mysql
 590 if test "$found_mysql" = yes ; then
 591    MYSQL_CFLAGS=`$MYSQL_CONFIG --cflags`
 592    MYSQL_CFLAGS=`eval echo $MYSQL_CFLAGS`
 593    MYSQL_LIBS=`eval echo $MYSQL_LIBS`
 594
 595    save_CPPFLAGS="$CPPFLAGS"
 596    CPPFLAGS="$CPPFLAGS $MYSQL_CFLAGS"
 597
 598    AC_CHECK_HEADER([mysql.h], [have_mysql_h=yes], [have_mysql_h=no])
 599    if test "$have_mysql_h" = no -a "$mysql_enabled" = "yes" ; then
 600      AC_MSG_ERROR(unable to find MySQL header files)
 601    fi
 602
 603    if test "$have_mysql_h" = yes ; then
 604       save_LIBS="$LIBS"
 605       LIBS="$LIBS $MYSQL_LIBS"
 606       AC_MSG_CHECKING(if we can link againt mysql)
 607       AC_TRY_LINK(
 608         [#include <mysql.h>
 609          #include <stdio.h>],
 610         [mysql_server_init(0, NULL, NULL)],
 611         [have_mysql_libs=yes],
 612         [have_mysql_libs=no])
 613       LIBS="$save_LIBS"
 614
 615       if test "$have_mysql_libs" = no ; then
 616          if test "$mysql_enabled" = "yes" ; then
 617             AC_MSG_ERROR([unable to link with MySQL Embedded Server Library])
 618          else
 619             AC_MSG_RESULT(no.  skipping MySQL)
 620          fi
 621       fi
 622    fi
 623
 624    CPPFLAGS="$save_CPPFLAGS"
 625 fi
 626
 627 # if have_mysql_libs=yes then go ahead with building MySQL
 628 if test "$have_mysql_libs" = yes ; then
 629    # this AC_MSG_RESULT is from above!
 630    AC_MSG_RESULT(yes)
 631    WANT_SUBDIRS="$WANT_SUBDIRS shib-mysql-ccache"
 632    AC_SUBST(MYSQL_CFLAGS)
 633    AC_SUBST(MYSQL_LIBS)
 634 fi
 635
 636
 637 AC_SUBST(WANT_SUBDIRS)
 638
 639 if test -n "$APXS_CC" && test "$APXS_CC" != "$CC" ; then
 640   echo "=================================================================="
 641   echo "WARNING: You have chosen to compile Apache-1.3 modules with a different"
 642   echo "         compiler than the one used to compile Apache."
 643   echo ""
 644   echo "    Current compiler:      $CC"
 645   echo "   Apache's compiler:      $APXS_CC"
 646   echo ""
 647   echo "This could cause some problems."
 648   echo "=================================================================="
 649 fi
 650
 651 if test -n "$APXS2_CC" && test "$APXS2_CC" != "$CC" ; then
 652   echo "=================================================================="
 653   echo "WARNING: You have chosen to compile Apache-2 modules with a different"
 654   echo "         compiler than the one used to compile Apache."
 655   echo ""
 656   echo "    Current compiler:      $CC"
 657   echo "   Apache's compiler:      $APXS2_CC"
 658   echo ""
 659   echo "This could cause some problems."
 660   echo "=================================================================="
 661 fi
 662
 663 AC_OUTPUT
 664