configure.ac

   1 AC_PREREQ([2.50])
   2 AC_INIT([shibboleth], [1.2.1], [shibboleth-users@internet2.edu], [shibboleth])
   3 AM_CONFIG_HEADER(config.h)
   4 AM_INIT_AUTOMAKE([shibboleth],[1.2.1])
   5
   6 sinclude(acx_pthread.m4)
   7 sinclude(acx_rpctest.m4)
   8
   9 AC_ARG_ENABLE(debug,
  10     AC_HELP_STRING(--enable-debug, [Have GCC compile with symbols (Default = no)
  11 ]),
  12     enable_debug=$enableval, enable_debug=no)
  13
  14 if test "$enable_debug" = "yes" ; then
  15     GCC_CFLAGS="$CFLAGS -g -D_DEBUG"
  16     GCC_CXXFLAGS="$CXXFLAGS -g -D_DEBUG"
  17 else
  18     GCC_CFLAGS="$CFLAGS -O2 -DNDEBUG"
  19     GCC_CXXFLAGS="$CXXFLAGS -O2 -DNDEBUG"
  20 fi
  21
  22 AC_PROG_CC([gcc gcc3 cc])
  23 AC_PROG_CXX([g++ g++3 c++ CC])
  24
  25 if test "$GCC" = "yes" ; then
  26     CFLAGS="$GCC_CFLAGS"
  27     CXXFLAGS="$GCC_CXXFLAGS"
  28 fi
  29
  30 AC_DISABLE_STATIC
  31 AC_PROG_LIBTOOL
  32
  33 AC_LANG(C++)
  34
  35 # C++ requirements
  36 AC_CXX_REQUIRE_STL
  37 AC_CXX_NAMESPACES
  38
  39 AC_LANG(C)
  40
  41 # Checks for typedefs, structures, and compiler characteristics.
  42 AC_C_CONST
  43 AC_TYPE_SIZE_T
  44 AC_STRUCT_TM
  45
  46 # Checks for library functions.
  47 AC_FUNC_STRFTIME
  48 AC_FUNC_STRERROR_R
  49 AC_CHECK_FUNCS([strchr strdup strstr gmtime_r strtok_r strcasecmp])
  50 AC_CHECK_HEADERS([dlfcn.h])
  51
  52 # old_LIBS="$LIBS"
  53 # AC_SEARCH_LIBS(xdr_uint64_t,nsl,,
  54 #       [CFLAGS="$CFLAGS -DNEED_XDR_LONGLONG"
  55 #        CXXFLAGS="$CXXFLAGS -DNEED_XDR_LONGLONG"])
  56 # LIBS="$old_LIBS"
  57
  58 # checks for pthreads
  59 ACX_PTHREAD([enable_threads="pthread"],[enable_threads="no"])
  60 if test $enable_threads != "pthread"; then
  61     AC_MSG_ERROR([unable to find pthreads, currently this is required])
  62 else
  63     AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
  64     LIBS="$PTHREAD_LIBS $LIBS"
  65     CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
  66     CXXFLAGS="$PTHREAD_CFLAGS $CXXFLAGS"
  67 fi
  68
  69 # what SunRPC library should we use?
  70 AC_MSG_NOTICE([checking for which SunRPC library to use])
  71 AC_ARG_ENABLE(native-rpc,
  72                         AC_HELP_STRING([--enable-native-rpc], [Use the OS-supplied Sun RPC library]),
  73                         [if test "x$enableval" = "x" ; then
  74                 enable_native_rpc=yes
  75             else
  76                                 enable_native_rpc="$enableval"
  77                         fi],
  78                         [enable_native_rpc=unknown])
  79 case "${host}" in
  80         *-*-linux*)     if test $enable_native_rpc = "no" ; then
  81                                                 AC_MSG_WARN([appears to be Linux, but you said not to use native RPC library])
  82                                         elif test $enable_native_rpc = "unknown" ; then
  83                                                 enable_native_rpc=yes
  84                                         fi
  85         ;;
  86
  87         *)                              if test $enable_native_rpc = "yes" ; then
  88                                                 AC_MSG_ERROR([Native RPC library not known to be safe on any non-Linux platform])
  89                                         elif test $enable_native_rpc = "unknown" ; then
  90                                                 enable_native_rpc=no
  91                                         fi
  92         ;;
  93 esac
  94 AC_MSG_NOTICE([using native SunRPC library: $enable_native_rpc])
  95
  96 AC_ARG_WITH(dmalloc,
  97             AC_HELP_STRING([--with-dmalloc=PATH], [where dmalloc is installed]),
  98             [if test x_$with_dmalloc != x_/usr; then
  99                 LDFLAGS="-L${with_dmalloc}/lib $LDFLAGS"
 100                 CPPFLAGS="-I${with_dmalloc}/include $CPPFLAGS"
 101             fi
 102             AC_CHECK_LIB(dmallocxx, dmalloc_shutdown,,
 103                          AC_MSG_ERROR([unable to find dmallocxx library]))
 104             ])
 105
 106 # OpenSSL settings
 107 AC_PATH_PROG(PKG_CONFIG, pkg-config)
 108 if test "x$PKG_CONFIG" = x || test "x$PKG_CONFIG" = "xno" ; then
 109     AC_ARG_WITH(openssl,
 110             AC_HELP_STRING([--with-openssl=PATH], [where openssl is installed]),
 111             [if test x_$with_openssl != x_/usr; then
 112             SSLLIBS="-L${with_openssl}/lib"
 113             SSLFLAGS="-I${with_openssl}/include"
 114             fi])
 115     SSLLIBS="$SSLLIBS -lssl -lcrypto"
 116 else
 117     SSLLIBS="`$PKG_CONFIG --libs openssl`"
 118     SSLFLAGS="`$PKG_CONFIG --cflags openssl`"
 119 fi
 120 AC_MSG_CHECKING(for OpenSSL libraries)
 121 AC_MSG_RESULT($SSLLIBS)
 122 LIBS="$LIBS $SSLLIBS"
 123 AC_MSG_CHECKING(for OpenSSL cflags)
 124 AC_MSG_RESULT($SSLFLAGS)
 125 CPPFLAGS="$SSLFLAGS $CPPFLAGS"
 126
 127 AC_CHECK_HEADER([openssl/ssl.h],,
 128                 AC_MSG_ERROR([unable to find openssl header files]))
 129 AC_MSG_CHECKING(for ERR_load_CRYPTO_string)
 130 AC_TRY_LINK_FUNC([ERR_load_CRYPTO_strings],,
 131              AC_MSG_ERROR([unable to link with openssl libraries]))
 132 AC_MSG_RESULT(yes)
 133 AC_MSG_CHECKING(for SSL_library_init)
 134 AC_TRY_LINK_FUNC([SSL_library_init],,
 135              AC_MSG_ERROR([unable to link with openssl libraries]))
 136 AC_MSG_RESULT(yes)
 137
 138 AC_LANG(C++)
 139
 140 # log4cpp settings
 141 AC_PATH_PROG(LOG4CPP_CONFIG,log4cpp-config)
 142 AC_ARG_WITH(log4cpp,
 143             AC_HELP_STRING([--with-log4cpp=PATH], [where log4cpp is installed]),
 144             [LOG4CPP_CONFIG="${with_log4cpp}/bin/log4cpp-config"])
 145 if test -f "${LOG4CPP_CONFIG}"; then
 146     LDFLAGS="`${LOG4CPP_CONFIG} --libs` $LDFLAGS"
 147     CPPFLAGS="`${LOG4CPP_CONFIG} --cflags` $CPPFLAGS"
 148 else
 149     AC_MSG_WARN([log4cpp-config not found, guessing at log4cpp build settings])
 150     LIBS="-llog4cpp $LIBS"
 151 fi
 152 AC_CHECK_HEADER([log4cpp/Category.hh],,AC_MSG_ERROR([unable to find log4cpp header files]))
 153 AC_TRY_LINK(
 154         [#include <log4cpp/Category.hh>],
 155         [log4cpp::Category::getInstance("foo")],
 156         [AC_DEFINE(HAVE_LIBLOG4CPP,1,[Define if log4cpp library was found])],
 157         [AC_MSG_ERROR([unable to link with log4cpp])])
 158
 159 # Xerces settings
 160 AC_ARG_WITH(xerces,
 161             AC_HELP_STRING([--with-xerces=PATH], [where xerces-c is installed]),
 162             [if test x_$with_xerces != x_/usr; then
 163                 LDFLAGS="-L${with_xerces}/lib $LDFLAGS"
 164                 CPPFLAGS="-I${with_xerces}/include $CPPFLAGS"
 165             fi])
 166 LIBS="-lxerces-c $LIBS"
 167 AC_CHECK_HEADER([xercesc/dom/DOM.hpp],,
 168                 AC_MSG_ERROR([unable to find xerces header files]))
 169 AC_TRY_LINK(
 170         [#include <xercesc/util/PlatformUtils.hpp>
 171 #include <xercesc/util/XercesVersion.hpp>],
 172         [#if _XERCES_VERSION >= 20300
 173 xercesc::XMLPlatformUtils::Initialize();
 174 #else
 175 #error Need Xerces-C version 2.3+ only
 176 #endif],
 177         [AC_DEFINE(HAVE_LIBXERCESC,1,[Define if Xerces-C library was found])],
 178         [AC_MSG_ERROR([unable to link with Xerces])])
 179
 180 # XML-Security settings
 181 AC_ARG_WITH(xmlsec,
 182             AC_HELP_STRING([--with-xmlsec=PATH], [where xmlsec is installed]),
 183             [if test x_$with_xmlsec != x_/usr; then
 184                 LDFLAGS="-L${with_xmlsec}/lib $LDFLAGS"
 185                 CPPFLAGS="-I${with_xmlsec}/include $CPPFLAGS"
 186             fi])
 187 LIBS="-lxml-security-c $LIBS"
 188 AC_CHECK_HEADER([xsec/utils/XSECPlatformUtils.hpp],,AC_MSG_ERROR([unable to find xsec header files]))
 189 AC_TRY_LINK(
 190         [#include <xsec/utils/XSECPlatformUtils.hpp>],
 191         [XSECPlatformUtils::Initialise()],
 192         [AC_DEFINE(HAVE_LIBXSEC,1,[Define if XML-Sec library was found])],
 193         [AC_MSG_ERROR([unable to link with XML-Sec])])
 194
 195 # OpenSAML settings
 196 AC_ARG_WITH(saml,
 197             AC_HELP_STRING([--with-saml=PATH], [where saml is installed]),
 198             [if test x_$with_saml != x_/usr; then
 199                 LDFLAGS="-L${with_saml}/lib $LDFLAGS"
 200                 CPPFLAGS="-I${with_saml}/include $CPPFLAGS"
 201             fi])
 202 AC_CHECK_HEADER([saml/saml.h],,
 203                 AC_MSG_ERROR([unable to find saml header files]))
 204 LIBS="-lsaml $LIBS"
 205 AC_TRY_LINK(
 206         [#include <saml/saml.h>
 207 #include <saml/version.h>],
 208         [#if _OPENSAML_VERSION >= 10000
 209 saml::SAMLConfig::getConfig();
 210 #else
 211 #error Need OpenSAML version 1.0 or higher
 212 #endif],
 213         [AC_DEFINE(HAVE_SAML,1,[Define if saml library was found])],
 214         [AC_MSG_ERROR([unable to link with saml, or version too old])])
 215
 216 # output the underlying makefiles
 217 WANT_SUBDIRS="doc shib schemas configs shib-target shar siterefresh test xmlproviders"
 218 AC_CONFIG_FILES([Makefile doc/Makefile shib/Makefile schemas/Makefile \
 219                  configs/Makefile oncrpc/Makefile oncrpc/rpc/Makefile \
 220                  shib-target/Makefile shar/Makefile siterefresh/Makefile \
 221                  test/Makefile xmlproviders/Makefile])
 222
 223 if test $enable_native_rpc = "no"; then
 224     WANT_SUBDIRS="oncrpc $WANT_SUBDIRS"
 225         AC_DEFINE(USE_OUR_ONCRPC,1,[Define if using embedded version of ONC RPC.])
 226 fi
 227 AM_CONDITIONAL(USE_OUR_ONCRPC,test "$enable_native_rpc" = "no")
 228
 229
 230 # Apache 1.3 (mod_shib_13)
 231 #   --enable-apache-13
 232 #   --with-apxs      (DSO build, the normal way, uses apxs to derive build flags)
 233 #   --without-apxs   (DSO build, you tell us how to build using the environment)
 234
 235 AC_ARG_ENABLE(apache-13,
 236         AC_HELP_STRING([--enable-apache-13], [enable the Apache 1.3 modules]),
 237         [ if test "x$enableval" = "x" ; then
 238               WANT_APACHE_13=yes
 239           else
 240               WANT_APACHE_13="$enableval"
 241           fi
 242         ], [ WANT_APACHE_13=no ])
 243 AC_MSG_CHECKING(whether to build Apache-1.3 support)
 244 if test "$WANT_APACHE_13" != yes && test "$WANT_APACHE_13" != no ; then
 245    WANT_APACHE_13=yes
 246 fi
 247 AC_MSG_RESULT($WANT_APACHE_13)
 248
 249 if test "$WANT_APACHE_13" = yes ; then
 250
 251 AC_ARG_WITH(apxs,
 252 [  --with-apxs[=FILE]        Build shared Apache module(s). FILE is the optional
 253                           pathname to the Apache apxs tool; defaults to "apxs".],
 254 [
 255     if test "$withval" = "yes"; then
 256       for i in /usr/sbin /usr/local/apache/bin ; do
 257         if test -f "$i/apxs"; then
 258           APXS="$i/apxs"
 259         fi
 260       done
 261       if test -z "$APXS"; then
 262         APXS=apxs
 263       fi
 264     else
 265       APXS="$withval"
 266     fi
 267 ],
 268 [
 269     AC_PATH_PROG(APXS, apxs, no)
 270 ])
 271
 272 AC_MSG_CHECKING([for dynamic Apache-1.3 module support (w/ or w/o APXS)])
 273 if test "$APXS" = "no"; then
 274
 275     # --without-apxs means you want the modules,
 276     #       but want to tell us how to build them
 277     AC_MSG_RESULT(yes, but use environment, not apxs)
 278     echo
 279     echo "Did you set one or more of these?"
 280     echo
 281     echo "APXS_CFLAGS APXS_PREFIX APXS_INCLUDE APXS_LIBEXEC APXS_SYSCONFDIR"
 282     echo
 283
 284     AC_MSG_NOTICE([APXS_CFLAGS is $APXS_CFLAGS])
 285
 286     # try and find the Apache root
 287     if test -z "$APXS_PREFIX"; then
 288         if test -d "/usr/local/apache"; then
 289             APXS_PREFIX="/usr/local/apache"
 290         else
 291             AC_MSG_ERROR([You MUST set APXS_PREFIX so the right Apache can be located!])
 292         fi
 293     elif test ! -d "$APXS_PREFIX"; then
 294         AC_MSG_ERROR([APXS_PREFIX of $APXS_PREFIX cannot be found])
 295     fi
 296     AC_MSG_NOTICE([APXS_PREFIX is $APXS_PREFIX])
 297
 298
 299     # other subfolders might be derived from APXS_PREFIX
 300     if test -z "$APXS_INCLUDE"; then
 301         if test -f "$APXS_PREFIX/include/httpd.h"; then
 302             APXS_INCLUDE="$APXS_PREFIX/include"
 303         else
 304             AC_MSG_ERROR([can't find Apache include files beneath $APXS_PREFIX])
 305         fi
 306     elif ! test -f "$APXS_INCLUDE/httpd.h"; then
 307         AC_MSG_ERROR([APXS_INCLUDE of $APXS_INCLUDE does not contain Apache headers])
 308     fi
 309     AC_MSG_NOTICE([APXS_INCLUDE is $APXS_INCLUDE])
 310
 311     if test -z "$APXS_LIBEXEC"; then
 312         if test -d "$APXS_PREFIX/libexec"; then
 313             APXS_LIBEXEC="$APXS_PREFIX/libexec"
 314         elif test -d "$APXS_PREFIX/modules"; then
 315             APXS_LIBEXEC="$APXS_PREFIX/modules"
 316         else
 317             AC_MSG_ERROR([can't find Apache libexec/module directory beneath $APXS_PREFIX])
 318         fi
 319     elif ! test -d "$APXS_LIBEXEC"; then
 320         AC_MSG_ERROR([APXS_LIBEXEC of $APXS_LIBEXEC does not exist])
 321     fi
 322     AC_MSG_NOTICE([APXS_LIBEXEC is $APXS_LIBEXEC])
 323
 324     if test -z "$APXS_SYSCONFDIR"; then
 325         if test -d "$APXS_PREFIX/conf"; then
 326             APXS_SYSCONFDIR="$APXS_PREFIX/conf"
 327         else
 328             AC_MSG_ERROR([can't find Apache conf directory beneath $APXS_PREFIX])
 329         fi
 330     elif ! test -d "$APXS_SYSCONFDIR"; then
 331         AC_MSG_ERROR([APXS_SYSCONFDIR of $APXS_SYSCONFDIR does not exist])
 332     fi
 333     AC_MSG_NOTICE([APXS_SYSCONFDIR is $APXS_SYSCONFDIR])
 334
 335     WANT_APACHE_13="yes"
 336
 337 elif test -n "$APXS"; then
 338
 339     # extract settings we need from APXS -q
 340     APXS_CC="`$APXS -q CC`"
 341     APXS_CFLAGS="`$APXS -q CFLAGS` `$APXS -q CFLAGS_SHLIB`"
 342     APXS_INCLUDE="`$APXS -q INCLUDEDIR`"
 343     APXS_LIBEXEC="`$APXS -q LIBEXECDIR`"
 344     APXS_SYSCONFDIR="`$APXS -q SYSCONFDIR`"
 345
 346     AC_SUBST(APXS)
 347     AC_MSG_RESULT(found at $APXS)
 348
 349     if test -z "`$APXS -q LD_SHLIB`" || test "$APXS_LIBEXEC" = "modules"; then
 350             AC_MSG_ERROR(
 351 [Your APXS installation is broken and cannot be used.
 352     Please see http://www.webdav.org/mod_dav/install.html#apxs for
 353     more information.])
 354     fi
 355
 356     WANT_APACHE_13="yes"
 357
 358 else
 359     # guess we're not doing Apache 1.3
 360     AC_MSG_RESULT(no)
 361     WANT_APACHE_13="no"
 362 fi
 363 fi
 364
 365 AC_SUBST(APXS_CFLAGS)
 366 AC_SUBST(APXS_INCLUDE)
 367 AC_SUBST(APXS_LIBEXEC)
 368 AC_SUBST(APXS_SYSCONFDIR)
 369 AM_CONDITIONAL(HAVE_APXS,test -n "$APXS")
 370
 371
 372 # Apache 2.0 (mod_shib_20)
 373 #   --enable-apache-20
 374 #   --with-apxs2       (DSO build, the normal way, uses apxs to derive build flags)
 375 #       --with-apr         (DSO build, APR development package installed separately)
 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 "$withval" = "yes"; then
 400       for i in /usr/sbin /usr/local/apache2/bin /usr/local/apache/bin ; do
 401         if test -f "$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         # APR settings
 484         AC_PATH_PROG(APR_CONFIG,apr-config)
 485         AC_ARG_WITH(apr,
 486                     AC_HELP_STRING([--with-apr=PATH], [where APR is installed]),
 487                     [APR_CONFIG="${with_apr}/bin/apr-config"])
 488         if test -f "${APR_CONFIG}"; then
 489             APR_CFLAGS="`${APR_CONFIG} --cflags` `${APR_CONFIG} --cppflags` `${APR_CONFIG} --includes`"
 490         fi
 491
 492     # extract settings we need from APXS2 -q
 493     APXS2_CC="`$APXS2 -q CC`"
 494     APXS2_CFLAGS="`$APXS2 -q CFLAGS` `$APXS2 -q CFLAGS_SHLIB` $APR_CFLAGS"
 495     APXS2_INCLUDE="`$APXS2 -q INCLUDEDIR`"
 496     APXS2_LIBEXEC="`$APXS2 -q LIBEXECDIR`"
 497     APXS2_SYSCONFDIR="`$APXS2 -q SYSCONFDIR`"
 498
 499     AC_SUBST(APXS2)
 500     AC_MSG_RESULT(found at $APXS2)
 501
 502     if test -z "`$APXS2 -q LD_SHLIB`" && test -z "`$APXS2 -q LIBEXECDIR`" \
 503        || test "$APXS2_LIBEXEC" = "modules"; then
 504             AC_MSG_ERROR(
 505 [Your APXS installation is broken and cannot be used.
 506     Please see http://www.webdav.org/mod_dav/install.html#apxs for
 507     more information.])
 508     fi
 509
 510     WANT_APACHE_20="yes"
 511
 512 else
 513     # guess we're not doing Apache 2.0
 514     AC_MSG_RESULT(no)
 515     WANT_APACHE_20="no"
 516 fi
 517 fi
 518
 519 AC_SUBST(APXS2_CFLAGS)
 520 AC_SUBST(APXS2_INCLUDE)
 521 AC_SUBST(APXS2_LIBEXEC)
 522 AC_SUBST(APXS2_SYSCONFDIR)
 523 AM_CONDITIONAL(HAVE_APXS2,test -n "$APXS2")
 524
 525 # always output the Makefile, even if you don't use it
 526 AC_CONFIG_FILES([apache/Makefile])
 527 AM_CONDITIONAL(BUILD_AP13,test "$WANT_APACHE_13" = "yes")
 528 AM_CONDITIONAL(BUILD_AP20,test "$WANT_APACHE_20" = "yes")
 529
 530 # add the apache module to the list of wanted subdirs..
 531 if test "$WANT_APACHE_13" = "yes" || test "$WANT_APACHE_20" = "yes" ; then
 532     WANT_SUBDIRS="$WANT_SUBDIRS apache"
 533 fi
 534
 535
 536 #
 537 # Implement the checks of the MySQL Credential Cache
 538 #
 539 # 1) Assume the user wants MySQL; if it's not found then just continue without
 540 # 2) If the user specifically requested Mysql, look for it and ERROR if not found
 541 # 3) If the user specifically requested no-mysql, don't build it.
 542 #
 543
 544 AC_CONFIG_FILES([shib-mysql-ccache/Makefile])
 545
 546 # determine whether we should enable the mysql ccache
 547 AC_ARG_ENABLE([mysql],
 548         AC_HELP_STRING([--disable-mysql], [disable the MySQL Credential Cache]),
 549         [mysql_enabled=$enableval], [mysql_enabled=default])
 550
 551 if test "x$mysql_enabled" = "x" ; then
 552    mysql_enabled=yes
 553 fi
 554
 555 # Are we trying to build MySQL?
 556 AC_MSG_CHECKING(whether to build the MySQL ccache)
 557 if test "$mysql_enabled" = "yes" ; then
 558    build_mysql=yes
 559    AC_MSG_RESULT(yes)
 560 elif test "$mysql_enabled" = "default" ; then
 561    build_mysql=yes
 562    AC_MSG_RESULT([yes, if it can be found])
 563 else
 564    build_mysql=no
 565    AC_MSG_RESULT(no)
 566 fi
 567
 568 # If we're trying to build MySQL, try to find the mysql_config program,
 569 # verify we've got mysql >= 4, and make sure we can build with mysqld
 570 if test "$build_mysql" = "yes" ; then
 571    mysql_dir=""
 572    AC_ARG_WITH(mysql,
 573         AC_HELP_STRING([--with-mysql=PATH], [directory where mysql is installed]),
 574             [if test "$with_mysql" = no ; then
 575                AC_MSG_ERROR([Try running --disable-mysql instead.])
 576              elif test "$with_mysql" != yes ; then
 577                mysql_dir="$with_mysql/bin"
 578              fi ])
 579
 580    # Try to find the mysql_config program
 581    AC_PATH_PROG(MYSQL_CONFIG, mysql_config, no, $mysql_dir $PATH )
 582
 583    if test "$MYSQL_CONFIG" = no ; then
 584       if test "$mysql_enabled" = "yes" ; then
 585         AC_MSG_ERROR(Cannot find mysql_config)
 586       else
 587         AC_MSG_WARN(MySQL not found.  skipping.)
 588       fi
 589    fi
 590 fi
 591
 592 # if we found mysql_config then build_mysql is 'yes'
 593 if test "$MYSQL_CONFIG" != no ; then
 594    AC_MSG_CHECKING(for mysql version >= 4)
 595    mysql_version=`$MYSQL_CONFIG --version`
 596    mysql_major_version=`echo $mysql_version | awk -F. '{print $1}'`
 597    mysql_version_ok=yes
 598    if test $mysql_major_version -lt 4 ; then
 599      mysql_version_ok=no
 600      if test "$mysql_enabled" = "yes" ; then
 601        AC_MSG_ERROR(You need MySQL version >= 4, found $mysql_version)
 602      fi
 603      AC_MSG_RESULT(no.. skipping MySQL)
 604    else
 605      AC_MSG_RESULT(yes)
 606    fi
 607 fi
 608
 609 # if mysql_version_ok is 'yes', then we've made it this far.. ;)
 610 if test "$mysql_version_ok" = "yes" ; then
 611    AC_MSG_CHECKING(for embedded-MySQL libraries)
 612    MYSQL_LIBS=`$MYSQL_CONFIG --libmysqld-libs`
 613    if test $? != 0 ; then
 614       found_mysql=no
 615       if test "$mysql_enabled" = "yes" ; then
 616         AC_MSG_ERROR(Could not find the MySQL Embedded-server libraries.)
 617       else
 618         AC_MSG_RESULT(no.. skipping MySQL)
 619       fi
 620    else
 621       found_mysql=yes
 622       AC_MSG_RESULT(yes)
 623    fi
 624 fi
 625
 626 # if found_mysql=yes then test that we can actually build mysql
 627 if test "$found_mysql" = yes ; then
 628    MYSQL_CFLAGS=`$MYSQL_CONFIG --cflags`
 629    MYSQL_CFLAGS=`eval echo $MYSQL_CFLAGS`
 630    MYSQL_LIBS=`eval echo $MYSQL_LIBS`
 631
 632    save_CPPFLAGS="$CPPFLAGS"
 633    CPPFLAGS="$CPPFLAGS $MYSQL_CFLAGS"
 634
 635    AC_CHECK_HEADER([mysql.h], [have_mysql_h=yes], [have_mysql_h=no])
 636    if test "$have_mysql_h" = no -a "$mysql_enabled" = "yes" ; then
 637      AC_MSG_ERROR(unable to find MySQL header files)
 638    fi
 639
 640    if test "$have_mysql_h" = yes ; then
 641       save_LIBS="$LIBS"
 642       LIBS="$LIBS $MYSQL_LIBS"
 643       AC_MSG_CHECKING(if we can link againt mysql)
 644       AC_TRY_LINK(
 645         [#include <mysql.h>
 646          #include <stdio.h>],
 647         [mysql_server_init(0, NULL, NULL)],
 648         [have_mysql_libs=yes],
 649         [have_mysql_libs=no])
 650       LIBS="$save_LIBS"
 651
 652       if test "$have_mysql_libs" = no ; then
 653          if test "$mysql_enabled" = "yes" ; then
 654             AC_MSG_ERROR([unable to link with MySQL Embedded Server Library])
 655          else
 656             AC_MSG_RESULT(no.  skipping MySQL)
 657          fi
 658       fi
 659    fi
 660
 661    CPPFLAGS="$save_CPPFLAGS"
 662 fi
 663
 664 # if have_mysql_libs=yes then go ahead with building MySQL
 665 if test "$have_mysql_libs" = yes ; then
 666    # this AC_MSG_RESULT is from above!
 667    AC_MSG_RESULT(yes)
 668    WANT_SUBDIRS="$WANT_SUBDIRS shib-mysql-ccache"
 669    AC_SUBST(MYSQL_CFLAGS)
 670    AC_SUBST(MYSQL_LIBS)
 671 fi
 672
 673
 674 AC_SUBST(WANT_SUBDIRS)
 675
 676 if test -n "$APXS_CC" && test "$APXS_CC" != "$CC" ; then
 677   echo "=================================================================="
 678   echo "WARNING: You have chosen to compile Apache-1.3 modules with a different"
 679   echo "         compiler than the one used to compile Apache."
 680   echo ""
 681   echo "    Current compiler:      $CC"
 682   echo "   Apache's compiler:      $APXS_CC"
 683   echo ""
 684   echo "This could cause some problems."
 685   echo "=================================================================="
 686 fi
 687
 688 if test -n "$APXS2_CC" && test "$APXS2_CC" != "$CC" ; then
 689   echo "=================================================================="
 690   echo "WARNING: You have chosen to compile Apache-2 modules with a different"
 691   echo "         compiler than the one used to compile Apache."
 692   echo ""
 693   echo "    Current compiler:      $CC"
 694   echo "   Apache's compiler:      $APXS2_CC"
 695   echo ""
 696   echo "This could cause some problems."
 697   echo "=================================================================="
 698 fi
 699
 700 AC_OUTPUT
 701