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 $CXXFLAGS"
  47 fi
  48
  49 # Test RPC now -- deal with it later
  50 ACX_RPCTEST([rpctest="yes"],[rpctest="no"])
  51
  52 # Determine whether to use TCP for the shar socket
  53 AC_ARG_ENABLE([tcp],
  54     AC_HELP_STRING([--enable-tcp], [enable the SHAR to use a TCP socket on Unix]),
  55     [tcp_enabled=$enableval], [tcp_enabled=default])
  56
  57 if test "x$tcp_enabled" = "x" ; then
  58    tcp_enabled=yes
  59 fi
  60
  61 if test "$tcp_enabled" = "yes" ; then
  62     CFLAGS="$CFLAGS -DWANT_TCP_SHAR"
  63     CXXFLAGS="$CXXFLAGS -DWANT_TCP_SHAR"
  64 fi
  65
  66 AC_ARG_WITH(dmalloc,
  67             AC_HELP_STRING([--with-dmalloc=PATH], [where dmalloc is installed]),
  68             [if test x_$with_dmalloc != x_/usr; then
  69                 LDFLAGS="-L${with_dmalloc}/lib $LDFLAGS"
  70                 CPPFLAGS="-I${with_dmalloc}/include $CPPFLAGS"
  71             fi
  72             AC_CHECK_LIB(dmallocxx, dmalloc_shutdown,,
  73                          AC_MSG_ERROR([unable to find dmallocxx library]))
  74             ])
  75
  76 # OpenSSL settings
  77 AC_PATH_PROG(PKG_CONFIG, pkg-config)
  78 if test "x$PKG_CONFIG" = x || test "x$PKG_CONFIG" = "xno" ; then
  79     AC_ARG_WITH(openssl,
  80             AC_HELP_STRING([--with-openssl=PATH], [where openssl is installed]),
  81             [if test x_$with_openssl != x_/usr; then
  82             SSLLIBS="-L${with_openssl}/lib"
  83             SSLFLAGS="-I${with_openssl}/include"
  84             fi])
  85     SSLLIBS="$SSLLIBS -lssl -lcrypto"
  86 else
  87     SSLLIBS="`$PKG_CONFIG --libs openssl`"
  88     SSLFLAGS="`$PKG_CONFIG --cflags openssl`"
  89 fi
  90 AC_MSG_CHECKING(for OpenSSL libraries)
  91 AC_MSG_RESULT($SSLLIBS)
  92 LIBS="$LIBS $SSLLIBS"
  93 AC_MSG_CHECKING(for OpenSSL cflags)
  94 AC_MSG_RESULT($SSLFLAGS)
  95 CPPFLAGS="$SSLFLAGS $CPPFLAGS"
  96
  97 AC_CHECK_HEADER([openssl/ssl.h],,
  98                 AC_MSG_ERROR([unable to find openssl header files]))
  99 AC_MSG_CHECKING(for ERR_load_CRYPTO_string)
 100 AC_TRY_LINK_FUNC([ERR_load_CRYPTO_strings],,
 101              AC_MSG_ERROR([unable to link with openssl libraries]))
 102 AC_MSG_RESULT(yes)
 103 AC_MSG_CHECKING(for SSL_library_init)
 104 AC_TRY_LINK_FUNC([SSL_library_init],,
 105              AC_MSG_ERROR([unable to link with openssl libraries]))
 106 AC_MSG_RESULT(yes)
 107
 108 # log4cpp settings
 109 LOG4CPP_CONFIG="log4cpp-config"
 110 AC_ARG_WITH(log4cpp,
 111             AC_HELP_STRING([--with-log4cpp=PATH], [where log4cpp is installed]),
 112             [LOG4CPP_CONFIG="${with_log4cpp}/bin/log4cpp-config"])
 113 if test -f ${LOG4CPP_CONFIG}; then
 114     LDFLAGS="`${LOG4CPP_CONFIG} --libs` $LDFLAGS"
 115     CPPFLAGS="`${LOG4CPP_CONFIG} --cflags` $CPPFLAGS"
 116 else
 117     AC_MSG_WARN([log4cpp-config not found, guessing at log4cpp build settings])
 118     LIBS="-llog4cpp $LIBS"
 119 fi
 120 AC_CHECK_HEADER([log4cpp/Category.hh],,AC_MSG_ERROR([unable to find log4cpp header files]))
 121 AC_TRY_LINK(
 122         [#include <log4cpp/Category.hh>],
 123         [log4cpp::Category::getInstance("foo")],
 124         [AC_DEFINE(HAVE_LIBLOG4CPP,1,[Define if log4cpp library was found])],
 125         [AC_MSG_ERROR([unable to link with log4cpp])])
 126
 127 # Xerces settings
 128 AC_ARG_WITH(xerces,
 129             AC_HELP_STRING([--with-xerces=PATH], [where xerces-c is installed]),
 130             [if test x_$with_xerces != x_/usr; then
 131                 LDFLAGS="-L${with_xerces}/lib $LDFLAGS"
 132                 CPPFLAGS="-I${with_xerces}/include $CPPFLAGS"
 133             fi])
 134 LIBS="-lxerces-c $LIBS"
 135 AC_CHECK_HEADER([xercesc/dom/DOM.hpp],,
 136                 AC_MSG_ERROR([unable to find xerces header files]))
 137 AC_TRY_LINK(
 138         [#include <xercesc/util/PlatformUtils.hpp>],
 139         [xercesc::XMLPlatformUtils::Initialize()],
 140         [AC_DEFINE(HAVE_LIBXERCESC,1,[Define if Xerces-C library was found])],
 141         [AC_MSG_ERROR([unable to link with Xerces])])
 142
 143 # XML-Security settings
 144 AC_ARG_WITH(xmlsec,
 145             AC_HELP_STRING([--with-xmlsec=PATH], [where xmlsec is installed]),
 146             [if test x_$with_xmlsec != x_/usr; then
 147                 LDFLAGS="-L${with_xmlsec}/lib $LDFLAGS"
 148                 CPPFLAGS="-I${with_xmlsec}/include $CPPFLAGS"
 149             fi])
 150 LIBS="-lxml-security-c $LIBS"
 151 AC_CHECK_HEADER([xsec/utils/XSECPlatformUtils.hpp],,AC_MSG_ERROR([unable to find xsec header files]))
 152 AC_TRY_LINK(
 153         [#include <xsec/utils/XSECPlatformUtils.hpp>],
 154         [XSECPlatformUtils::Initialise()],
 155         [AC_DEFINE(HAVE_LIBXSEC,1,[Define if XML-Sec library was found])],
 156         [AC_MSG_ERROR([unable to link with XML-Sec])])
 157
 158 # OpenSAML settings
 159 AC_ARG_WITH(saml,
 160             AC_HELP_STRING([--with-saml=PATH], [where saml is installed]),
 161             [if test x_$with_saml != x_/usr; then
 162                 LDFLAGS="-L${with_saml}/lib $LDFLAGS"
 163                 CPPFLAGS="-I${with_saml}/include $CPPFLAGS"
 164             fi])
 165 AC_CHECK_HEADER([saml/saml.h],,
 166                 AC_MSG_ERROR([unable to find saml header files]))
 167 LIBS="-lsaml $LIBS"
 168 AC_TRY_LINK(
 169         [#include <saml/saml.h>],
 170         [saml::SAMLConfig::getConfig()],
 171         [AC_DEFINE(HAVE_SAML,1,[Define if saml library was found])],
 172         [AC_MSG_ERROR([unable to link with saml])])
 173
 174
 175 # output the underlying makefiles
 176 WANT_SUBDIRS="doc shib schemas configs shib-target shar siterefresh test xmlproviders"
 177 AC_CONFIG_FILES([Makefile doc/Makefile shib/Makefile schemas/Makefile \
 178                  configs/Makefile oncrpc/Makefile oncrpc/rpc/Makefile \
 179                  shib-target/Makefile shar/Makefile siterefresh/Makefile \
 180                  test/Makefile xmlproviders/Makefile])
 181
 182
 183 # now deal with the rpc library, to see if we need to build our own
 184 if test $rpctest = "no"; then
 185     WANT_SUBDIRS="oncrpc $WANT_SUBDIRS"
 186         AC_DEFINE(USE_OUR_ONCRPC,1,[Define if using embedded version of ONC RPC.])
 187 fi
 188 AM_CONDITIONAL(USE_OUR_ONCRPC,test "$rpctest" = "no")
 189
 190
 191 # Apache 1.3 (mod_shire/mod_shibrm)
 192 #   --with-apache-13 (static build, no idea how to do this yet, so not supported)
 193 #   --with-apxs      (DSO build, the normal way, uses apxs to derive build flags)
 194 #   --without-apxs   (DSO build, you tell us how to build using the environment)
 195
 196 AC_ARG_ENABLE(apache-13,
 197         AC_HELP_STRING([--enable-apache-13], [enable the Apache 1.3 modules]),
 198         [ if test "x$enableval" = "x" ; then
 199               WANT_APACHE_13=yes
 200           else
 201               WANT_APACHE_13="$enableval"
 202           fi
 203         ], [ WANT_APACHE_13=no ])
 204 AC_MSG_CHECKING(whether to build Apache-1.3 support)
 205 if test "$WANT_APACHE_13" != yes && test "$WANT_APACHE_13" != no ; then
 206    WANT_APACHE_13=yes
 207 fi
 208 AC_MSG_RESULT($WANT_APACHE_13)
 209
 210 if test "$WANT_APACHE_13" = yes ; then
 211
 212 AC_ARG_WITH(apxs,
 213 [  --with-apxs[=FILE]        Build shared Apache module(s). FILE is the optional
 214                           pathname to the Apache apxs tool; defaults to "apxs".],
 215 [
 216     if test "$withval" = "yes"; then
 217       for i in /usr/sbin /usr/local/apache/bin ; do
 218         if test -f "$i/apxs"; then
 219           APXS="$i/apxs"
 220         fi
 221       done
 222       if test -z "$APXS"; then
 223         APXS=apxs
 224       fi
 225     else
 226       APXS="$withval"
 227     fi
 228 ],
 229 [
 230     AC_PATH_PROG(APXS, apxs, no)
 231 ])
 232
 233 AC_MSG_CHECKING([for dynamic Apache-1.3 module support (w/ or w/o APXS)])
 234 if test "$APXS" = "no"; then
 235
 236     # --without-apxs means you want the modules,
 237     #       but want to tell us how to build them
 238     AC_MSG_RESULT(yes, but use environment, not apxs)
 239     echo
 240     echo "Did you set one or more of these?"
 241     echo
 242     echo "APXS_CFLAGS APXS_PREFIX APXS_INCLUDE APXS_LIBEXEC APXS_SYSCONFDIR"
 243     echo
 244
 245     AC_MSG_NOTICE([APXS_CFLAGS is $APXS_CFLAGS])
 246
 247     # try and find the Apache root
 248     if test -z "$APXS_PREFIX"; then
 249         if test -d "/usr/local/apache"; then
 250             APXS_PREFIX="/usr/local/apache"
 251         else
 252             AC_MSG_ERROR([You MUST set APXS_PREFIX so the right Apache can be located!])
 253         fi
 254     elif test ! -d "$APXS_PREFIX"; then
 255         AC_MSG_ERROR([APXS_PREFIX of $APXS_PREFIX cannot be found])
 256     fi
 257     AC_MSG_NOTICE([APXS_PREFIX is $APXS_PREFIX])
 258
 259
 260     # other subfolders might be derived from APXS_PREFIX
 261     if test -z "$APXS_INCLUDE"; then
 262         if test -f "$APXS_PREFIX/include/httpd.h"; then
 263             APXS_INCLUDE="$APXS_PREFIX/include"
 264         else
 265             AC_MSG_ERROR([can't find Apache include files beneath $APXS_PREFIX])
 266         fi
 267     elif ! test -f "$APXS_INCLUDE/httpd.h"; then
 268         AC_MSG_ERROR([APXS_INCLUDE of $APXS_INCLUDE does not contain Apache headers])
 269     fi
 270     AC_MSG_NOTICE([APXS_INCLUDE is $APXS_INCLUDE])
 271
 272     if test -z "$APXS_LIBEXEC"; then
 273         if test -d "$APXS_PREFIX/libexec"; then
 274             APXS_LIBEXEC="$APXS_PREFIX/libexec"
 275         elif test -d "$APXS_PREFIX/modules"; then
 276             APXS_LIBEXEC="$APXS_PREFIX/modules"
 277         else
 278             AC_MSG_ERROR([can't find Apache libexec/module directory beneath $APXS_PREFIX])
 279         fi
 280     elif ! test -d "$APXS_LIBEXEC"; then
 281         AC_MSG_ERROR([APXS_LIBEXEC of $APXS_LIBEXEC does not exist])
 282     fi
 283     AC_MSG_NOTICE([APXS_LIBEXEC is $APXS_LIBEXEC])
 284
 285     if test -z "$APXS_SYSCONFDIR"; then
 286         if test -d "$APXS_PREFIX/conf"; then
 287             APXS_SYSCONFDIR="$APXS_PREFIX/conf"
 288         else
 289             AC_MSG_ERROR([can't find Apache conf directory beneath $APXS_PREFIX])
 290         fi
 291     elif ! test -d "$APXS_SYSCONFDIR"; then
 292         AC_MSG_ERROR([APXS_SYSCONFDIR of $APXS_SYSCONFDIR does not exist])
 293     fi
 294     AC_MSG_NOTICE([APXS_SYSCONFDIR is $APXS_SYSCONFDIR])
 295
 296     WANT_APACHE_13="yes"
 297
 298 elif test -n "$APXS"; then
 299
 300     # extract settings we need from APXS -q
 301     APXS_CC="`$APXS -q CC`"
 302     APXS_CFLAGS="`$APXS -q CFLAGS` `$APXS -q CFLAGS_SHLIB`"
 303     APXS_INCLUDE="`$APXS -q INCLUDEDIR`"
 304     APXS_LIBEXEC="`$APXS -q LIBEXECDIR`"
 305     APXS_SYSCONFDIR="`$APXS -q SYSCONFDIR`"
 306
 307     AC_SUBST(APXS)
 308     AC_MSG_RESULT(found at $APXS)
 309
 310     if test -z "`$APXS -q LD_SHLIB`" || test "$APXS_LIBEXEC" = "modules"; then
 311             AC_MSG_ERROR(
 312 [Your APXS installation is broken and cannot be used.
 313     Please see http://www.webdav.org/mod_dav/install.html#apxs for
 314     more information.])
 315     fi
 316
 317     WANT_APACHE_13="yes"
 318
 319 else
 320     # guess we're not doing Apache 1.3
 321     AC_MSG_RESULT(no)
 322     WANT_APACHE_13="no"
 323 fi
 324 fi
 325
 326 if test "$WANT_APACHE_13" = "yes"; then
 327     AC_ARG_WITH(apreq,
 328                 AC_HELP_STRING([--with-apreq=PATH], [where libapreq is installed]),
 329                 [if test x_$with_apreq != x_/usr; then
 330                     LDFLAGS="-L${with_apreq}/lib $LDFLAGS"
 331                     CPPFLAGS="-I${with_apreq}/include $CPPFLAGS"
 332                 fi])
 333
 334     saved_CPPFLAGS="$CPPFLAGS"
 335     CPPFLAGS="-I$APXS_INCLUDE $APXS_CFLAGS $CPPFLAGS"
 336     AC_TRY_COMPILE([#include <libapreq/apache_request.h>],
 337                    [int i=0],
 338                    test_apreq="yes",test_apreq="no")
 339     if test "$test_apreq" = "no"; then
 340         CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE"
 341         APXS_CFLAGS="$APXS_CFLAGS -U_XOPEN_SOURCE"
 342         AC_CHECK_HEADER([libapreq/apache_request.h],,
 343             AC_MSG_ERROR([unable to find a usable libapreq header]))
 344     fi
 345
 346 dnl    saved_LIBS="$LIBS"
 347 dnl    LIBS="-lapreq $LIBS"
 348 dnl    AC_TRY_LINK(
 349 dnl        [#include <libapreq/apache_request.h>],
 350 dnl        [ApacheRequest_expires],
 351 dnl        [AC_DEFINE(HAVE_APREQ,1,[Define if apreq library was found])],
 352 dnl        [AC_MSG_ERROR([unable to link with apreq])
 353 dnl        ])
 354 dnl    LIBS="$saved_LIBS"
 355     CPPFLAGS="$saved_CPPFLAGS"
 356
 357     AC_ARG_ENABLE([apxs-install],
 358         AC_HELP_STRING([--enable-apxs-install],
 359                         [use apxs to install the apache modules]),
 360         APXS_INSTALL="yes", )
 361
 362
 363     AC_SUBST(APXS_CFLAGS)
 364     AC_SUBST(APXS_INCLUDE)
 365     AC_SUBST(APXS_LIBEXEC)
 366     AC_SUBST(APXS_SYSCONFDIR)
 367
 368     # output the Apache 1.3 makefiles
 369     WANT_SUBDIRS="$WANT_SUBDIRS mod_shire mod_shibrm"
 370 fi
 371 # always output the Makefile, even if we don't use it
 372 AC_CONFIG_FILES([mod_shire/Makefile])
 373 AM_CONDITIONAL(HAVE_APXS,test -n "$APXS")
 374 AM_CONDITIONAL(DO_APXS_INSTALL,test -n "$APXS_INSTALL")
 375
 376
 377 # Apache 2.0 (mod_shib in apache-2.0)
 378 #   --with-apache-20   (static build, no idea how to do this yet, so not supported)
 379 #   --with-apxs2       (DSO build, the normal way, uses apxs to derive build flags)
 380 #   --without-apxs2    (DSO build, you tell us how to build using the environment)
 381
 382 AC_ARG_ENABLE(apache-20,
 383         AC_HELP_STRING([--enable-apache-20], [enable the Apache 2.0 modules]),
 384         [ if test "x$enableval" = "x" ; then
 385               WANT_APACHE_20=yes
 386           else
 387               WANT_APACHE_20="$enableval"
 388           fi
 389         ], [ WANT_APACHE_20=no ])
 390
 391 AC_MSG_CHECKING(whether to build Apache-2.0 support)
 392 if test "$WANT_APACHE_20" != yes && test "$WANT_APACHE_20" != no ; then
 393    WANT_APACHE_20=yes
 394 fi
 395 AC_MSG_RESULT($WANT_APACHE_20)
 396
 397 if test "$WANT_APACHE_20" = yes ; then
 398
 399 AC_ARG_WITH(apxs2,
 400 [  --with-apxs2[=FILE]        Build shared Apache module(s). FILE is the optional
 401                           pathname to the Apache apxs tool; defaults to "apxs".],
 402 [
 403     if test "$withval" = "yes"; then
 404       for i in /usr/sbin /usr/local/apache/bin ; do
 405         if test -f "$i/apxs"; then
 406           APXS2="$i/apxs"
 407         fi
 408       done
 409       if test -z "$APXS2"; then
 410         APXS2=apxs
 411       fi
 412     else
 413       APXS2="$withval"
 414     fi
 415 ],
 416 [
 417     AC_PATH_PROG(APXS2, apxs, no)
 418 ])
 419
 420 AC_MSG_CHECKING([for dynamic Apache-2 module support (w/ or w/o APXS)])
 421 if test "$APXS2" = "no"; then
 422
 423     # --without-apxs2 means you want the modules,
 424     #       but want to tell us how to build them
 425     AC_MSG_RESULT(yes, but use environment, not apxs)
 426     echo
 427     echo "Did you set one or more of these?"
 428     echo
 429     echo "APXS2_CFLAGS APXS2_PREFIX APXS2_INCLUDE APXS2_LIBEXEC APXS2_SYSCONFDIR"
 430     echo
 431
 432     AC_MSG_NOTICE([APXS2_CFLAGS is $APXS2_CFLAGS])
 433
 434     # try and find the Apache root
 435     if test -z "$APXS2_PREFIX"; then
 436         if test -d "/usr/local/apache"; then
 437             APXS2_PREFIX="/usr/local/apache"
 438         else
 439             AC_MSG_ERROR([You MUST set APXS2_PREFIX so the right Apache-2 can be located!])
 440         fi
 441     elif test ! -d "$APXS2_PREFIX"; then
 442         AC_MSG_ERROR([APXS2_PREFIX of $APXS2_PREFIX cannot be found])
 443     fi
 444     AC_MSG_NOTICE([APXS2_PREFIX is $APXS2_PREFIX])
 445
 446
 447     # other subfolders might be derived from APXS2_PREFIX
 448     if test -z "$APXS2_INCLUDE"; then
 449         if test -f "$APXS2_PREFIX/include/httpd.h"; then
 450             APXS2_INCLUDE="$APXS2_PREFIX/include"
 451         else
 452             AC_MSG_ERROR([can't find Apache-2 include files beneath $APXS2_PREFIX])
 453         fi
 454     elif ! test -f "$APXS2_INCLUDE/httpd.h"; then
 455         AC_MSG_ERROR([APXS2_INCLUDE of $APXS2_INCLUDE does not contain Apache-2 headers])
 456     fi
 457     AC_MSG_NOTICE([APXS2_INCLUDE is $APXS2_INCLUDE])
 458
 459     if test -z "$APXS2_LIBEXEC"; then
 460         if test -d "$APXS2_PREFIX/libexec"; then
 461             APXS2_LIBEXEC="$APXS2_PREFIX/libexec"
 462         elif test -d "$APXS2_PREFIX/modules"; then
 463             APXS2_LIBEXEC="$APXS2_PREFIX/modules"
 464         else
 465             AC_MSG_ERROR([can't find Apache-2 libexec/module directory beneath $APXS2_PREFIX])
 466         fi
 467     elif ! test -d "$APXS2_LIBEXEC"; then
 468         AC_MSG_ERROR([APXS2_LIBEXEC of $APXS2_LIBEXEC does not exist])
 469     fi
 470     AC_MSG_NOTICE([APXS2_LIBEXEC is $APXS2_LIBEXEC])
 471
 472     if test -z "$APXS2_SYSCONFDIR"; then
 473         if test -d "$APXS2_PREFIX/conf"; then
 474             APXS2_SYSCONFDIR="$APXS2_PREFIX/conf"
 475         else
 476             AC_MSG_ERROR([can't find Apache-2 conf directory beneath $APXS2_PREFIX])
 477         fi
 478     elif ! test -d "$APXS2_SYSCONFDIR"; then
 479         AC_MSG_ERROR([APXS2_SYSCONFDIR of $APXS2_SYSCONFDIR does not exist])
 480     fi
 481     AC_MSG_NOTICE([APXS2_SYSCONFDIR is $APXS2_SYSCONFDIR])
 482
 483     WANT_APACHE_20="yes"
 484
 485 elif test -n "$APXS2"; then
 486
 487     # extract settings we need from APXS2 -q
 488     APXS2_CC="`$APXS2 -q CC`"
 489     APXS2_CFLAGS="`$APXS2 -q CFLAGS` `$APXS2 -q CFLAGS_SHLIB`"
 490     APXS2_INCLUDE="`$APXS2 -q INCLUDEDIR`"
 491     APXS2_LIBEXEC="`$APXS2 -q LIBEXECDIR`"
 492     APXS2_SYSCONFDIR="`$APXS2 -q SYSCONFDIR`"
 493
 494     AC_SUBST(APXS2)
 495     AC_MSG_RESULT(found at $APXS2)
 496
 497     if test -z "`$APXS2 -q LD_SHLIB`" && test -z "`$APXS2 -q LIBEXECDIR`" \
 498        || test "$APXS2_LIBEXEC" = "modules"; then
 499             AC_MSG_ERROR(
 500 [Your APXS installation is broken and cannot be used.
 501     Please see http://www.webdav.org/mod_dav/install.html#apxs for
 502     more information.])
 503     fi
 504
 505     WANT_APACHE_20="yes"
 506
 507 else
 508     # guess we're not doing Apache 2.0
 509     AC_MSG_RESULT(no)
 510     WANT_APACHE_20="no"
 511 fi
 512 fi
 513
 514 if test "$WANT_APACHE_20" = "yes"; then
 515     AC_ARG_WITH(apreq2,
 516                 AC_HELP_STRING([--with-apreq2=PATH], [where http-apreq-2 is installed]),
 517                 [if test x_$with_apreq2 != x_/usr; then
 518                     LDFLAGS="-L${with_apreq2}/lib $LDFLAGS"
 519                     CPPFLAGS="-I${with_apreq2}/include $CPPFLAGS"
 520                 fi])
 521
 522     saved_CPPFLAGS="$CPPFLAGS"
 523     CPPFLAGS="-I$APXS2_INCLUDE $APXS2_CFLAGS $CPPFLAGS"
 524     AC_TRY_COMPILE([#include <apreq.h>],
 525                    [int i=0],
 526                    test_apreq2="yes",test_apreq2="no")
 527     if test "$test_apreq2" = "no"; then
 528         CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE"
 529         APXS2_CFLAGS="$APXS2_CFLAGS -U_XOPEN_SOURCE"
 530         AC_CHECK_HEADER([apreq.h],,
 531             AC_MSG_ERROR([unable to find a usable libapreq2 header]))
 532     fi
 533
 534 dnl    saved_LIBS="$LIBS"
 535 dnl    LIBS="-lapreq $LIBS"
 536 dnl    AC_TRY_LINK(
 537 dnl        [#include <apreq.h>],
 538 dnl        [apreq_param],
 539 dnl        [AC_DEFINE(HAVE_APREQ2,1,[Define if apreq2 library was found])],
 540 dnl        [AC_MSG_ERROR([unable to link with apreq2])
 541 dnl        ])
 542 dnl    LIBS="$saved_LIBS"
 543     CPPFLAGS="$saved_CPPFLAGS"
 544
 545     AC_ARG_ENABLE([apxs2-install],
 546         AC_HELP_STRING([--enable-apxs2-install],
 547                         [use apxs to install the apache-2 modules]),
 548         APXS2_INSTALL="yes", )
 549
 550
 551     AC_SUBST(APXS2_CFLAGS)
 552     AC_SUBST(APXS2_INCLUDE)
 553     AC_SUBST(APXS2_LIBEXEC)
 554     AC_SUBST(APXS2_SYSCONFDIR)
 555
 556     # output the Apache 2.0 makefiles
 557     WANT_SUBDIRS="$WANT_SUBDIRS apache-2.0"
 558 fi
 559 # always output the Makefile, even if we don't use it
 560 AC_CONFIG_FILES([apache-2.0/Makefile])
 561 AM_CONDITIONAL(HAVE_APXS2,test -n "$APXS2")
 562 AM_CONDITIONAL(DO_APXS2_INSTALL,test -n "$APXS2_INSTALL")
 563
 564
 565 #
 566 # Implement the checks of the MySQL Credential Cache
 567 #
 568 # 1) Assume the user wants MySQL; if it's not found then just continue without
 569 # 2) If the user specifically requested Mysql, look for it and ERROR if not found
 570 # 3) If the user specifically requested no-mysql, don't build it.
 571 #
 572
 573 AC_CONFIG_FILES([shib-mysql-ccache/Makefile])
 574
 575 # determine whether we should enable the mysql ccache
 576 AC_ARG_ENABLE([mysql],
 577         AC_HELP_STRING([--disable-mysql], [disable the MySQL Credential Cache]),
 578         [mysql_enabled=$enableval], [mysql_enabled=default])
 579
 580 if test "x$mysql_enabled" = "x" ; then
 581    mysql_enabled=yes
 582 fi
 583
 584 # Are we trying to build MySQL?
 585 AC_MSG_CHECKING(whether to build the MySQL ccache)
 586 if test "$mysql_enabled" = "yes" ; then
 587    build_mysql=yes
 588    AC_MSG_RESULT(yes)
 589 elif test "$mysql_enabled" = "default" ; then
 590    build_mysql=yes
 591    AC_MSG_RESULT([yes, if it can be found])
 592 else
 593    build_mysql=no
 594    AC_MSG_RESULT(no)
 595 fi
 596
 597 # If we're trying to build MySQL, try to find the mysql_config program,
 598 # verify we've got mysql >= 4, and make sure we can build with mysqld
 599 if test "$build_mysql" = "yes" ; then
 600    mysql_dir=""
 601    AC_ARG_WITH(mysql,
 602         AC_HELP_STRING([--with-mysql=PATH], [directory where mysql is installed]),
 603             [if test "$with_mysql" = no ; then
 604                AC_MSG_ERROR([Try running --disable-mysql instead.])
 605              elif test "$with_mysql" != yes ; then
 606                mysql_dir="$with_mysql/bin"
 607              fi ])
 608
 609    # Try to find the mysql_config program
 610    AC_PATH_PROG(MYSQL_CONFIG, mysql_config, no, $mysql_dir $PATH )
 611
 612    if test "$MYSQL_CONFIG" = no ; then
 613       if test "$mysql_enabled" = "yes" ; then
 614         AC_MSG_ERROR(Cannot find mysql_config)
 615       else
 616         AC_MSG_WARN(MySQL not found.  skipping.)
 617       fi
 618    fi
 619 fi
 620
 621 # if we found mysql_config then build_mysql is 'yes'
 622 if test "$MYSQL_CONFIG" != no ; then
 623    AC_MSG_CHECKING(for mysql version >= 4)
 624    mysql_version=`$MYSQL_CONFIG --version`
 625    mysql_major_version=`echo $mysql_version | awk -F. '{print $1}'`
 626    mysql_version_ok=yes
 627    if test $mysql_major_version -lt 4 ; then
 628      mysql_version_ok=no
 629      if test "$mysql_enabled" = "yes" ; then
 630        AC_MSG_ERROR(You need MySQL version >= 4, found $mysql_version)
 631      fi
 632      AC_MSG_RESULT(no.. skipping MySQL)
 633    else
 634      AC_MSG_RESULT(yes)
 635    fi
 636 fi
 637
 638 # if mysql_version_ok is 'yes', then we've made it this far.. ;)
 639 if test "$mysql_version_ok" = "yes" ; then
 640    AC_MSG_CHECKING(for embedded-MySQL libraries)
 641    MYSQL_LIBS=`$MYSQL_CONFIG --libmysqld-libs`
 642    if test $? != 0 ; then
 643       found_mysql=no
 644       if test "$mysql_enabled" = "yes" ; then
 645         AC_MSG_ERROR(Could not find the MySQL Embedded-server libraries.)
 646       else
 647         AC_MSG_RESULT(no.. skipping MySQL)
 648       fi
 649    else
 650       found_mysql=yes
 651       AC_MSG_RESULT(yes)
 652    fi
 653 fi
 654
 655 # if found_mysql=yes then test that we can actually build mysql
 656 if test "$found_mysql" = yes ; then
 657    MYSQL_CFLAGS=`$MYSQL_CONFIG --cflags`
 658    MYSQL_CFLAGS=`eval echo $MYSQL_CFLAGS`
 659    MYSQL_LIBS=`eval echo $MYSQL_LIBS`
 660
 661    save_CPPFLAGS="$CPPFLAGS"
 662    CPPFLAGS="$CPPFLAGS $MYSQL_CFLAGS"
 663
 664    AC_CHECK_HEADER([mysql.h], [have_mysql_h=yes], [have_mysql_h=no])
 665    if test "$have_mysql_h" = no -a "$mysql_enabled" = "yes" ; then
 666      AC_MSG_ERROR(unable to find MySQL header files)
 667    fi
 668
 669    if test "$have_mysql_h" = yes ; then
 670       save_LIBS="$LIBS"
 671       LIBS="$LIBS $MYSQL_LIBS"
 672       AC_MSG_CHECKING(if we can link againt mysql)
 673       AC_TRY_LINK(
 674         [#include <mysql.h>
 675          #include <stdio.h>],
 676         [mysql_server_init(0, NULL, NULL)],
 677         [have_mysql_libs=yes],
 678         [have_mysql_libs=no])
 679       LIBS="$save_LIBS"
 680
 681       if test "$have_mysql_libs" = no ; then
 682          if test "$mysql_enabled" = "yes" ; then
 683             AC_MSG_ERROR([unable to link with MySQL Embedded Server Library])
 684          else
 685             AC_MSG_RESULT(no.  skipping MySQL)
 686          fi
 687       fi
 688    fi
 689
 690    CPPFLAGS="$save_CPPFLAGS"
 691 fi
 692
 693 # if have_mysql_libs=yes then go ahead with building MySQL
 694 if test "$have_mysql_libs" = yes ; then
 695    # this AC_MSG_RESULT is from above!
 696    AC_MSG_RESULT(yes)
 697    WANT_SUBDIRS="$WANT_SUBDIRS shib-mysql-ccache"
 698    AC_SUBST(MYSQL_CFLAGS)
 699    AC_SUBST(MYSQL_LIBS)
 700 fi
 701
 702
 703 AC_SUBST(WANT_SUBDIRS)
 704
 705 if test -n "$APXS_CC" && test "$APXS_CC" != "$CC" ; then
 706   echo "=================================================================="
 707   echo "WARNING: You have chosen to compile Apache-1.3 modules with a different"
 708   echo "         compiler than the one used to compile Apache."
 709   echo ""
 710   echo "    Current compiler:      $CC"
 711   echo "   Apache's compiler:      $APXS_CC"
 712   echo ""
 713   echo "This could cause some problems."
 714   echo "=================================================================="
 715 fi
 716
 717 if test -n "$APXS2_CC" && test "$APXS2_CC" != "$CC" ; then
 718   echo "=================================================================="
 719   echo "WARNING: You have chosen to compile Apache-2 modules with a different"
 720   echo "         compiler than the one used to compile Apache."
 721   echo ""
 722   echo "    Current compiler:      $CC"
 723   echo "   Apache's compiler:      $APXS2_CC"
 724   echo ""
 725   echo "This could cause some problems."
 726   echo "=================================================================="
 727 fi
 728
 729 AC_OUTPUT
 730