configure.ac

   1 dnl $Id$
   2
   3 AC_PREREQ([2.50])
   4 AC_INIT([shibboleth], [0.1], [mace-shib-users@internet2.edu], [shibboleth])
   5 AM_CONFIG_HEADER(config.h)
   6 AM_INIT_AUTOMAKE
   7
   8 sinclude(acx_pthread.m4)
   9
  10 AC_PROG_CC([gcc3 gcc cc])
  11 AC_PROG_CXX([g++3 g++ c++ CC])
  12 AC_DISABLE_STATIC
  13 AC_PROG_LIBTOOL
  14
  15 AC_LANG(C++)
  16
  17 # Checks for typedefs, structures, and compiler characteristics.
  18 AC_C_CONST
  19 AC_TYPE_SIZE_T
  20 AC_STRUCT_TM
  21
  22 # Checks for library functions.
  23 AC_FUNC_STRFTIME
  24 AC_CHECK_FUNCS([strchr strdup strstr gmtime_r])
  25 AC_CHECK_HEADERS([dlfcn.h])
  26
  27 # C++ requirements
  28 AC_CXX_REQUIRE_STL
  29 AC_CXX_NAMESPACES
  30
  31 # checks for pthreads
  32 ACX_PTHREAD([enable_threads="pthread"],[enable_threads="no"])
  33 if test $enable_threads != "pthread"; then
  34     AC_MSG_ERROR([unable to find pthreads, currently this is required])
  35 else
  36     AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
  37     LIBS="$PTHREAD_LIBS $LIBS"
  38     CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
  39     CXXFLAGS="$PTHREAD_CFLAGS $CXXFLAGS"
  40 fi
  41
  42 AC_ARG_WITH(xerces,
  43             AC_HELP_STRING([--with-xerces=PATH], [where xerces-c is installed]),
  44             [if test x_$with_xerces != x_/usr; then
  45                 LDFLAGS="-L${with_xerces}/lib $LDFLAGS"
  46                 CPPFLAGS="-I${with_xerces}/include $CPPFLAGS"
  47             fi])
  48
  49
  50 AC_ARG_WITH(openssl,
  51             AC_HELP_STRING([--with-openssl=PATH], [where openssl is installed]),
  52             [if test x_$with_openssl != x_/usr; then
  53                 LDFLAGS="-L${with_openssl}/lib $LDFLAGS"
  54                 CPPFLAGS="-I${with_openssl}/include $CPPFLAGS"
  55             fi])
  56
  57 AC_ARG_WITH(log4cpp,
  58             AC_HELP_STRING([--with-log4cpp=PATH], [where log4cpp is installed]),
  59             [if test x_$with_log4cpp != x_/usr; then
  60                 LDFLAGS="-L${with_log4cpp}/lib $LDFLAGS"
  61                 CPPFLAGS="-I${with_log4cpp}/include $CPPFLAGS"
  62             fi])
  63
  64 AC_ARG_WITH(saml,
  65             AC_HELP_STRING([--with-saml=PATH], [where saml is installed]),
  66             [if test x_$with_saml != x_/usr; then
  67                 LDFLAGS="-L${with_saml}/lib $LDFLAGS"
  68                 CPPFLAGS="-I${with_saml}/include $CPPFLAGS"
  69             fi])
  70
  71 AC_CHECK_HEADER([xercesc/dom/DOM.hpp],,
  72                 AC_MSG_ERROR([unable to find xerces header files]))
  73 saved_LIBS="$LIBS"
  74 LIBS="-lxerces-c $LIBS"
  75 AC_TRY_LINK(
  76         [#include <xercesc/util/PlatformUtils.hpp>],
  77         [XMLPlatformUtils::Initialize()],
  78         [AC_DEFINE(HAVE_LIBXERCESC,1,[Define if Xerces-C library was found])],
  79         [AC_MSG_ERROR([unable to link with Xerces])
  80                 LIBS="$saved_LIBS"
  81         ])
  82
  83 AC_CHECK_HEADER([openssl/ssl.h],,
  84                 AC_MSG_ERROR([unable to find openssl header files]))
  85 AC_CHECK_LIB([crypto], [ERR_load_CRYPTO_strings],,
  86              AC_MSG_ERROR([unable to link with openssl libraries]))
  87 AC_CHECK_LIB([ssl], [SSL_library_init],,
  88              AC_MSG_ERROR([unable to link with openssl libraries]))
  89
  90 AC_CHECK_HEADER([log4cpp/Category.hh],,
  91                 AC_MSG_ERROR([unable to find log4cpp header files]))
  92
  93 AC_CHECK_HEADER([saml/saml.h],,
  94                 AC_MSG_ERROR([unable to find saml header files]))
  95
  96 saved_LIBS="$LIBS"
  97 LIBS="-llog4cpp $LIBS"
  98 AC_TRY_LINK(
  99         [#include <log4cpp/Category.hh>],
 100         [log4cpp::Category::getInstance("foo")],
 101         [AC_DEFINE(HAVE_LIBLOG4CPP,1,[Define if log4cpp library was found])],
 102         [AC_MSG_ERROR([unable to link with log4cpp])
 103                 LIBS="$saved_LIBS"
 104         ])
 105
 106 saved_LIBS="$LIBS"
 107 LIBS="-lsaml $LIBS"
 108 AC_TRY_LINK(
 109         [#include <saml/saml.h>],
 110         [saml::SAMLConfig::getConfig()],
 111         [AC_DEFINE(HAVE_SAML,1,[Define if saml library was found])],
 112         [AC_MSG_ERROR([unable to link with saml])
 113                 LIBS="$saved_LIBS"
 114         ])
 115
 116 # output the underlying makefiles
 117 WANT_SUBDIRS="shib schemas eduPerson shib-target shar test"
 118 AC_CONFIG_FILES([Makefile shib/Makefile schemas/Makefile eduPerson/Makefile \
 119                             shib-target/Makefile shar/Makefile test/Makefile])
 120
 121 # Much of this is taken from mod_dav.
 122 # The basic idea is to use configure options to control whether/which types
 123 # of web server modules get built. We assume there may eventually be multiple
 124 # types (Apache 1/2, iPlanet, others).
 125
 126 # Apache 1.3 (mod_shire/mod_shibrm)
 127 #   --with-apache   (static build, no idea how to do this yet, so not supported)
 128 #   --with-apxs     (DSO build, the normal way, uses apxs to derive build flags)
 129 #   --without-apxs  (DSO build, you tell us how to build using the environment)
 130
 131 AC_MSG_CHECKING([for dynamic Apache module support (w/ or w/o APXS)])
 132 AC_ARG_WITH(apxs,
 133 [  --with-apxs[=FILE]        Build shared Apache module(s). FILE is the optional
 134                           pathname to the Apache apxs tool; defaults to "apxs".],
 135 [
 136     if test "$withval" = "yes"; then
 137       for i in /usr/sbin /usr/local/apache/bin ; do
 138         if test -f "$i/apxs"; then
 139           APXS="$i/apxs"
 140         fi
 141       done
 142       if test -z "$APXS"; then
 143         APXS=apxs
 144       fi
 145     else
 146       APXS="$withval"
 147     fi
 148 ])
 149
 150 if test "$APXS" = "no"; then
 151
 152     # --without-apxs means you want the modules,
 153     #       but want to tell us how to build them
 154     AC_MSG_RESULT(yes, but use environment, not apxs)
 155     echo
 156     echo "Did you set one or more of these?"
 157     echo
 158     echo "APXS_CFLAGS APXS_PREFIX APXS_INCLUDE APXS_LIBEXEC APXS_SYSCONFDIR"
 159     echo
 160
 161     AC_MSG_NOTICE([APXS_CFLAGS is $APXS_CFLAGS])
 162
 163     # try and find the Apache root
 164     if test -z "$APXS_PREFIX"; then
 165         if test -d "/usr/local/apache"; then
 166             APXS_PREFIX="/usr/local/apache"
 167         else
 168             AC_MSG_ERROR([You MUST set APXS_PREFIX so the right Apache can be located!])
 169         fi
 170     elif test ! -d "$APXS_PREFIX"; then
 171         AC_MSG_ERROR([APXS_PREFIX of $APXS_PREFIX cannot be found])
 172     fi
 173     AC_MSG_NOTICE([APXS_PREFIX is $APXS_PREFIX])
 174
 175
 176     # other subfolders might be derived from APXS_PREFIX
 177     if test -z "$APXS_INCLUDE"; then
 178         if test -f "$APXS_PREFIX/include/httpd.h"; then
 179             APXS_INCLUDE="$APXS_PREFIX/include"
 180         else
 181             AC_MSG_ERROR([can't find Apache include files beneath $APXS_PREFIX])
 182         fi
 183     elif ! test -f "$APXS_INCLUDE/httpd.h"; then
 184         AC_MSG_ERROR([APXS_INCLUDE of $APXS_INCLUDE does not contain Apache headers])
 185     fi
 186     AC_MSG_NOTICE([APXS_INCLUDE is $APXS_INCLUDE])
 187
 188     if test -z "$APXS_LIBEXEC"; then
 189         if test -d "$APXS_PREFIX/libexec"; then
 190             APXS_LIBEXEC="$APXS_PREFIX/libexec"
 191         elif test -d "$APXS_PREFIX/modules"; then
 192             APXS_LIBEXEC="$APXS_PREFIX/modules"
 193         else
 194             AC_MSG_ERROR([can't find Apache libexec/module directory beneath $APXS_PREFIX])
 195         fi
 196     elif ! test -d "$APXS_LIBEXEC"; then
 197         AC_MSG_ERROR([APXS_LIBEXEC of $APXS_LIBEXEC does not exist])
 198     fi
 199     AC_MSG_NOTICE([APXS_LIBEXEC is $APXS_LIBEXEC])
 200
 201     if test -z "$APXS_SYSCONFDIR"; then
 202         if test -d "$APXS_PREFIX/conf"; then
 203             APXS_SYSCONFDIR="$APXS_PREFIX/conf"
 204         else
 205             AC_MSG_ERROR([can't find Apache conf directory beneath $APXS_PREFIX])
 206         fi
 207     elif ! test -d "$APXS_SYSCONFDIR"; then
 208         AC_MSG_ERROR([APXS_SYSCONFDIR of $APXS_SYSCONFDIR does not exist])
 209     fi
 210     AC_MSG_NOTICE([APXS_SYSCONFDIR is $APXS_SYSCONFDIR])
 211
 212     WANT_APACHE="yes"
 213
 214 elif test -n "$APXS"; then
 215
 216     # extract settings we need from APXS -q
 217     APXS_CC="`$APXS -q CC`"
 218     APXS_CFLAGS="`$APXS -q CFLAGS` `$APXS -q CFLAGS_SHLIB`"
 219     APXS_INCLUDE="`$APXS -q INCLUDEDIR`"
 220     APXS_LIBEXEC="`$APXS -q LIBEXECDIR`"
 221     APXS_SYSCONFDIR="`$APXS -q SYSCONFDIR`"
 222
 223     AC_SUBST(APXS)
 224     AC_MSG_RESULT(found at $APXS)
 225
 226     if test -z "`$APXS -q LD_SHLIB`" || test "$APXS_LIBEXEC" = "modules"; then
 227             AC_MSG_ERROR(
 228 [Your APXS installation is broken and cannot be used.
 229     Please see http://www.webdav.org/mod_dav/install.html#apxs for
 230     more information.])
 231     fi
 232
 233     WANT_APACHE="yes"
 234
 235 else
 236     # guess we're not doing Apache 1.3
 237     AC_MSG_RESULT(no)
 238     WANT_APACHE="no"
 239 fi
 240
 241 if test "$WANT_APACHE" = "yes"; then
 242     AC_ARG_WITH(apreq,
 243                 AC_HELP_STRING([--with-apreq=PATH], [where libapreq is installed]),
 244                 [if test x_$with_apreq != x_/usr; then
 245                     LDFLAGS="-L${with_apreq}/lib $LDFLAGS"
 246                     CPPFLAGS="-I${with_apreq}/include $CPPFLAGS"
 247                 fi])
 248
 249     AC_SUBST(APXS_CFLAGS)
 250     AC_SUBST(APXS_INCLUDE)
 251     AC_SUBST(APXS_LIBEXEC)
 252     AC_SUBST(APXS_SYSCONFDIR)
 253
 254     # output the Apache 1.3 makefiles
 255     WANT_SUBDIRS="$WANT_SUBDIRS mod_shire mod_shibrm"
 256     AC_CONFIG_FILES([mod_shire/Makefile mod_shibrm/Makefile])
 257 fi
 258
 259 AC_SUBST(WANT_SUBDIRS)
 260
 261 if test -n "$APXS_CC" && test "$APXS_CC" != "$CC" ; then
 262   echo "=================================================================="
 263   echo "WARNING: You have chosen to compile Apache modules with a different"
 264   echo "         compiler than the one used to compile Apache."
 265   echo ""
 266   echo "    Current compiler:      $CC"
 267   echo "   Apache's compiler:      $APXS_CC"
 268   echo ""
 269   echo "This could cause some problems."
 270   echo "=================================================================="
 271 fi
 272
 273 AC_OUTPUT
 274