examples/VFS/configure.in

   1 dnl -*- mode: m4-mode -*-
   2 dnl Process this file with autoconf to produce a configure script.
   3
   4 dnl We must use autotools 2.53 or above
   5 AC_PREREQ(2.53)
   6 AC_INIT(Makefile.in)
   7
   8 AC_CONFIG_HEADER(module_config.h)
   9 #dnl To make sure that didn't get #define PACKAGE_* in modules_config.h
  10 #echo "" > confdefs.h
  11
  12 dnl Checks for programs.
  13 AC_PROG_CC
  14 AC_PROG_INSTALL
  15 AC_CANONICAL_HOST
  16
  17 #################################################
  18 # Directory handling stuff to support both the
  19 # legacy SAMBA directories and FHS compliant
  20 # ones...
  21 AC_PREFIX_DEFAULT(/usr/local/samba)
  22
  23 AC_ARG_WITH(fhs,
  24 [  --with-fhs              Use FHS-compliant paths (default=no)],
  25     libdir="\${prefix}/lib/samba",
  26     libdir="\${prefix}/lib")
  27
  28 AC_SUBST(libdir)
  29
  30 SAMBA_SOURCE="../../source3"
  31 ####################################################
  32 # set the location location of the samba source tree
  33 AC_ARG_WITH(samba-source,
  34 [  --with-samba-source=DIR Where is the samba source tree (../../source3)],
  35 [ case "$withval" in
  36   yes|no)
  37   #
  38   # Just in case anybody calls it without argument
  39   #
  40     AC_MSG_WARN([--with-samba-source called without argument - will use default])
  41   ;;
  42   * )
  43     SAMBA_SOURCE="$withval"
  44     ;;
  45   esac])
  46
  47 AC_SUBST(SAMBA_SOURCE)
  48
  49 dnl Unique-to-Samba variables we'll be playing with.
  50 AC_SUBST(CC)
  51 AC_SUBST(SHELL)
  52 AC_SUBST(LDSHFLAGS)
  53 AC_SUBST(SONAMEFLAG)
  54 AC_SUBST(SHLD)
  55 AC_SUBST(HOST_OS)
  56 AC_SUBST(PICFLAGS)
  57 AC_SUBST(PICSUFFIX)
  58 AC_SUBST(SHLIBEXT)
  59 AC_SUBST(INSTALLCLIENTCMD_SH)
  60 AC_SUBST(INSTALLCLIENTCMD_A)
  61 AC_SUBST(SHLIB_PROGS)
  62 AC_SUBST(EXTRA_BIN_PROGS)
  63 AC_SUBST(EXTRA_SBIN_PROGS)
  64 AC_SUBST(EXTRA_ALL_TARGETS)
  65
  66 AC_ARG_ENABLE(debug,
  67 [  --enable-debug          Turn on compiler debugging information (default=no)],
  68     [if eval "test x$enable_debug = xyes"; then
  69         CFLAGS="${CFLAGS} -g"
  70     fi])
  71
  72 AC_ARG_ENABLE(developer, [  --enable-developer      Turn on developer warnings and debugging (default=no)],
  73     [if eval "test x$enable_developer = xyes"; then
  74         developer=yes
  75         CFLAGS="${CFLAGS} -g -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings -DDEBUG_PASSWORD -DDEVELOPER"
  76     fi])
  77
  78 # compile with optimization and without debugging by default, but
  79 # allow people to set their own preference.
  80 if test "x$CFLAGS" = x
  81 then
  82   CFLAGS="-O ${CFLAGS}"
  83 fi
  84
  85   #################################################
  86   # check for krb5-config from recent MIT and Heimdal kerberos 5
  87   AC_PATH_PROG(KRB5CONFIG, krb5-config)
  88   AC_MSG_CHECKING(for working krb5-config)
  89   if test -x "$KRB5CONFIG"; then
  90     CFLAGS="$CFLAGS `$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
  91     CPPFLAGS="$CPPFLAGS `$KRB5CONFIG --cflags | sed s/@INCLUDE_des@//`"
  92     FOUND_KRB5=yes
  93     AC_MSG_RESULT(yes)
  94   else
  95     AC_MSG_RESULT(no. Fallback to previous krb5 detection strategy)
  96   fi
  97
  98   if test x$FOUND_KRB5 = x"no"; then
  99   #################################################
 100   # check for location of Kerberos 5 install
 101   AC_MSG_CHECKING(for kerberos 5 install path)
 102   AC_ARG_WITH(krb5,
 103   [  --with-krb5=base-dir    Locate Kerberos 5 support (default=/usr)],
 104   [ case "$withval" in
 105     no)
 106       AC_MSG_RESULT(no)
 107       ;;
 108     *)
 109       AC_MSG_RESULT(yes)
 110       CFLAGS="$CFLAGS -I$withval/include"
 111       CPPFLAGS="$CPPFLAGS -I$withval/include"
 112       FOUND_KRB5=yes
 113       ;;
 114     esac ],
 115     AC_MSG_RESULT(no)
 116   )
 117   fi
 118
 119 if test x$FOUND_KRB5 = x"no"; then
 120 #################################################
 121 # see if this box has the SuSE location for the heimdal kerberos implementation
 122 AC_MSG_CHECKING(for /usr/include/heimdal)
 123 if test -d /usr/include/heimdal; then
 124     if test -f /usr/lib/heimdal/lib/libkrb5.a; then
 125         CFLAGS="$CFLAGS -I/usr/include/heimdal"
 126         CPPFLAGS="$CPPFLAGS -I/usr/include/heimdal"
 127         AC_MSG_RESULT(yes)
 128     else
 129         CFLAGS="$CFLAGS -I/usr/include/heimdal"
 130         CPPFLAGS="$CPPFLAGS -I/usr/include/heimdal"
 131         AC_MSG_RESULT(yes)
 132
 133     fi
 134 else
 135     AC_MSG_RESULT(no)
 136 fi
 137 fi
 138
 139
 140 if test x$FOUND_KRB5 = x"no"; then
 141 #################################################
 142 # see if this box has the RedHat location for kerberos
 143 AC_MSG_CHECKING(for /usr/kerberos)
 144 if test -d /usr/kerberos -a -f /usr/kerberos/lib/libkrb5.a; then
 145     LDFLAGS="$LDFLAGS -L/usr/kerberos/lib"
 146     CFLAGS="$CFLAGS -I/usr/kerberos/include"
 147     CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
 148     AC_MSG_RESULT(yes)
 149 else
 150     AC_MSG_RESULT(no)
 151 fi
 152 fi
 153
 154   # now check for krb5.h. Some systems have the libraries without the headers!
 155   # note that this check is done here to allow for different kerberos
 156   # include paths
 157   AC_CHECK_HEADERS(krb5.h)
 158
 159   # now check for gssapi headers.  This is also done here to allow for
 160   # different kerberos include paths
 161   AC_CHECK_HEADERS(gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h com_err.h)
 162
 163 #dnl Check if we use GNU ld
 164 #LD=ld
 165 #AC_PROG_LD_GNU
 166
 167 #dnl look for executable suffix
 168 #AC_EXEEXT
 169
 170 builddir=`pwd`
 171 AC_SUBST(builddir)
 172
 173 # Assume non-shared by default and override below
 174 BLDSHARED="false"
 175
 176 # these are the defaults, good for lots of systems
 177 HOST_OS="$host_os"
 178 LDSHFLAGS="-shared"
 179 SONAMEFLAG="#"
 180 SHLD="\${CC}"
 181 PICFLAGS=""
 182 PICSUFFIX="po"
 183 SHLIBEXT="so"
 184
 185 # Since we are not embedded in the Samba tree, building shared modules is
 186 # really the only option.
 187 enable_shared=yes
 188
 189 if test "$enable_shared" = "yes"; then
 190   # this bit needs to be modified for each OS that is suported by
 191   # smbwrapper. You need to specify how to created a shared library and
 192   # how to compile C code to produce PIC object files
 193
 194   AC_MSG_CHECKING([ability to build shared libraries])
 195
 196   # and these are for particular systems
 197   case "$host_os" in
 198                 *linux*)
 199                         BLDSHARED="true"
 200                         LDSHFLAGS="-shared"
 201                         DYNEXP="-Wl,--export-dynamic"
 202                         PICFLAGS="-fPIC"
 203                         SONAMEFLAG="-Wl,-soname="
 204                         ;;
 205                 *solaris*)
 206                         BLDSHARED="true"
 207                         LDSHFLAGS="-G"
 208                         SONAMEFLAG="-h "
 209                         if test "${GCC}" = "yes"; then
 210                                 PICFLAGS="-fPIC"
 211                                 if test "${ac_cv_prog_gnu_ld}" = "yes"; then
 212                                         DYNEXP="-Wl,-E"
 213                                 fi
 214                         else
 215                                 PICFLAGS="-KPIC"
 216                                 ## ${CFLAGS} added for building 64-bit shared
 217                                 ## libs using Sun's Compiler
 218                                 LDSHFLAGS="-G \${CFLAGS}"
 219                                 PICSUFFIX="po.o"
 220                         fi
 221                         ;;
 222                 *sunos*)
 223                         BLDSHARED="true"
 224                         LDSHFLAGS="-G"
 225                         SONAMEFLAG="-Wl,-h,"
 226                         PICFLAGS="-KPIC"   # Is this correct for SunOS
 227                         ;;
 228                 *netbsd* | *freebsd*)  BLDSHARED="true"
 229                         LDSHFLAGS="-shared"
 230                         DYNEXP="-Wl,--export-dynamic"
 231                         SONAMEFLAG="-Wl,-soname,"
 232                         PICFLAGS="-fPIC -DPIC"
 233                         ;;
 234                 *openbsd*)  BLDSHARED="true"
 235                         LDSHFLAGS="-shared"
 236                         DYNEXP="-Wl,-Bdynamic"
 237                         SONAMEFLAG="-Wl,-soname,"
 238                         PICFLAGS="-fPIC"
 239                         ;;
 240                 *irix*)
 241                         case "$host_os" in
 242                         *irix6*)
 243                         ;;
 244                         esac
 245                         ATTEMPT_WRAP32_BUILD=yes
 246                         BLDSHARED="true"
 247                         LDSHFLAGS="-set_version sgi1.0 -shared"
 248                         SONAMEFLAG="-soname "
 249                         SHLD="\${LD}"
 250                         if test "${GCC}" = "yes"; then
 251                                 PICFLAGS="-fPIC"
 252                         else
 253                                 PICFLAGS="-KPIC"
 254                         fi
 255                         ;;
 256                 *aix*)
 257                         BLDSHARED="true"
 258                         LDSHFLAGS="-Wl,-bexpall,-bM:SRE,-bnoentry,-berok"
 259                         DYNEXP="-Wl,-brtl,-bexpall"
 260                         PICFLAGS="-O2"
 261                         if test "${GCC}" != "yes"; then
 262                                 ## for funky AIX compiler using strncpy()
 263                                 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000"
 264                         fi
 265                         ;;
 266                 *hpux*)
 267                         SHLIBEXT="sl"
 268                         # Use special PIC flags for the native HP-UX compiler.
 269                         if test $ac_cv_prog_cc_Ae = yes; then
 270                                 BLDSHARED="true"
 271                                 SHLD="/usr/bin/ld"
 272                                 LDSHFLAGS="-B symbolic -b -z"
 273                                 SONAMEFLAG="+h "
 274                                 PICFLAGS="+z"
 275                         fi
 276                         DYNEXP="-Wl,-E"
 277                         ;;
 278                 *qnx*)
 279                         ;;
 280                 *osf*)
 281                         BLDSHARED="true"
 282                         LDSHFLAGS="-shared"
 283                         SONAMEFLAG="-Wl,-soname,"
 284                         PICFLAGS="-fPIC"
 285                         ;;
 286                 *sco*)
 287                         ;;
 288                 *unixware*)
 289                         BLDSHARED="true"
 290                         LDSHFLAGS="-shared"
 291                         SONAMEFLAG="-Wl,-soname,"
 292                         PICFLAGS="-KPIC"
 293                         ;;
 294                 *next2*)
 295                         ;;
 296                 *dgux*) AC_CHECK_PROG( ROFF, groff, [groff -etpsR -Tascii -man])
 297                         ;;
 298                 *sysv4*)
 299                         case "$host" in
 300                                 *-univel-*)
 301                                         LDSHFLAGS="-G"
 302                                         DYNEXP="-Bexport"
 303                                 ;;
 304                                 *mips-sni-sysv4*)
 305                                 ;;
 306                         esac
 307                         ;;
 308
 309                 *sysv5*)
 310                         LDSHFLAGS="-G"
 311                         ;;
 312                 *vos*)
 313                         BLDSHARED="false"
 314                         LDSHFLAGS=""
 315                         ;;
 316                 *darwin*)
 317                         BLDSHARED="true"
 318                         LDSHFLAGS="-bundle -flat_namespace -undefined suppress"
 319                         SHLIBEXT="dylib"
 320                         ;;
 321                 *)
 322                         ;;
 323   esac
 324   AC_SUBST(DYNEXP)
 325   AC_MSG_RESULT($BLDSHARED)
 326   AC_MSG_CHECKING([linker flags for shared libraries])
 327   AC_MSG_RESULT([$LDSHFLAGS])
 328   AC_MSG_CHECKING([compiler flags for position-independent code])
 329   AC_MSG_RESULT([$PICFLAGS])
 330 fi
 331
 332 #######################################################
 333 # test whether building a shared library actually works
 334 if test $BLDSHARED = true; then
 335 AC_CACHE_CHECK([whether building shared libraries actually works],
 336                [ac_cv_shlib_works],[
 337    ac_cv_shlib_works=no
 338    # try building a trivial shared library
 339    if test "$PICSUFFIX" = "po"; then
 340      $CC $CPPFLAGS $CFLAGS $PICFLAGS -c -o shlib.po ${srcdir-.}/../../tests/shlib.c &&
 341        $CC $CPPFLAGS $CFLAGS `eval echo $LDSHFLAGS` -o "shlib.$SHLIBEXT" shlib.po &&
 342        ac_cv_shlib_works=yes
 343    else
 344      $CC $CPPFLAGS $CFLAGS $PICFLAGS -c -o shlib.$PICSUFFIX ${srcdir-.}/../../tests/shlib.c &&
 345        mv shlib.$PICSUFFIX shlib.po &&
 346        $CC $CPPFLAGS $CFLAGS `eval echo $LDSHFLAGS` -o "shlib.$SHLIBEXT" shlib.po &&
 347        ac_cv_shlib_works=yes
 348    fi
 349    rm -f "shlib.$SHLIBEXT" shlib.po
 350 ])
 351 if test $ac_cv_shlib_works = no; then
 352    BLDSHARED=false
 353 fi
 354 fi
 355
 356
 357
 358
 359 AC_OUTPUT(Makefile)