granicus.if.org Git - linux-pam/blob - configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 AC_INIT(conf/pam_conv1/pam_conv.y)
   3
   4 dnl The configuration header file
   5 AC_CONFIG_HEADER(_pam_aconf.h)
   6
   7 dnl
   8 dnl Release specific
   9 dnl
  10
  11 LIBPAM_VERSION_MAJOR=0
  12 LIBPAM_VERSION_MINOR=76
  13
  14 AC_SUBST(LIBPAM_VERSION_MAJOR)
  15 AC_SUBST(LIBPAM_VERSION_MINOR)
  16 AC_DEFINE(LIBPAM_VERSION_MAJOR)
  17 AC_DEFINE(LIBPAM_VERSION_MINOR)
  18
  19 dnl
  20 dnl By default, everything under PAM is installed under the root fs.
  21 dnl
  22
  23 AC_PREFIX_DEFAULT()
  24
  25 dnl
  26 dnl Useful info (believed to be portable) - in the future
  27 dnl the LOCALSRCDIR and LOCALOBJDIRs may be different
  28 dnl
  29 LOCALSRCDIR=`/bin/pwd`         ; AC_SUBST(LOCALSRCDIR)
  30 LOCALOBJDIR=`/bin/pwd`         ; AC_SUBST(LOCALOBJDIR)
  31 OS=`uname|sed -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
  32 AC_SUBST(OS)
  33
  34 dnl
  35 dnl Rules needed for the following (hardcoded Linux defaults for now)
  36 dnl
  37
  38 CONF_CFLAGS=                    ; AC_SUBST(CONF_CFLAGS)
  39 MKDIR="mkdir -p"                ; AC_SUBST(MKDIR)
  40
  41 SHLIBMODE=755                   ; AC_SUBST(SHLIBMODE)
  42
  43 dnl These are most likely platform specific - I think HPUX differs
  44 USESONAME=yes                   ; AC_SUBST(USESONAME)
  45 SOSWITCH=-soname                ; AC_SUBST(SOSWITCH)
  46 NEEDSONAME=no                   ; AC_SUBST(NEEDSONAME)
  47 LDCONFIG=/sbin/ldconfig         ; AC_SUBST(LDCONFIG)
  48
  49 dnl ### Should enable this INSTALL detection.
  50 dnl ### Would need to distribute GNU's config.guess and config.sub
  51 dnl AC_PROG_INSTALL
  52 if test "$OS" = "aix"; then
  53   INSTALL=/usr/ucb/install -c
  54 else
  55   INSTALL=/usr/bin/install
  56 fi
  57 AC_SUBST(INSTALL)
  58
  59 dnl Checks for programs.
  60 AC_PROG_CC
  61 dnl ### AC_PROG_CXX
  62 AC_PROG_YACC
  63 AC_PROG_LEX
  64 dnl AC_PROG_INSTALL
  65 AC_PROG_LN_S
  66 AC_PROG_MAKE_SET
  67
  68 dnl
  69 dnl options and defaults
  70 dnl
  71
  72 dnl lots of debugging information goes to /tmp/pam-debug.log
  73 AC_ARG_ENABLE(debug,
  74 [  --enable-debug           specify you are building with debugging on],
  75         WITH_DEBUG=yes ; AC_DEFINE(DEBUG) , WITH_DEBUG=no)
  76 AC_SUBST(WITH_DEBUG)
  77
  78 AC_ARG_ENABLE(memory-debug,
  79 [  --enable-memory-debug    specify you want every malloc etc. call tracked],
  80         WITH_MEMORY_DEBUG=yes ; AC_DEFINE(MEMORY_DEBUG) , WITH_MEMORY_DEBUG=no)
  81 AC_SUBST(WITH_MEMORY_DEBUG)
  82
  83 dnl build specially named libraries (for debugging purposes)
  84 AC_ARG_ENABLE(libdebug,
  85 [  --enable-libdebug        specify you are building debugging libraries],
  86         WITH_LIBDEBUG=yes ; AC_DEFINE(WITH_LIBDEBUG) , WITH_LIBDEBUG=no)
  87 AC_SUBST(WITH_LIBDEBUG)
  88
  89 dnl packaging convenience
  90 AC_ARG_ENABLE(fakeroot,
  91 [  --enable-fakeroot=<path to packaging directory>], FAKEROOT=$enableval)
  92 AC_SUBST(FAKEROOT)
  93
  94 AC_ARG_ENABLE(securedir,
  95 [  --enable-securedir=<path to location of PAMs> [default \$libdir/security]],
  96         SECUREDIR=$enableval, SECUREDIR=$libdir/security)
  97 AC_SUBST(SECUREDIR)
  98
  99 AC_ARG_ENABLE(sconfigdir,
 100 [  --enable-sconfigdir=<path to module conf files> [default \$sysconfdir/security]],
 101         SCONFIGDIR=$enableval, SCONFIGDIR=$sysconfdir/security)
 102 AC_SUBST(SCONFIGDIR)
 103
 104 AC_ARG_ENABLE(suplementedir,
 105 [  --enable-suplementedir=<path to module helper binaries> [default \$sbindir]],
 106         SUPLEMENTED=$enableval, SUPLEMENTED=$sbindir)
 107 AC_SUBST(SUPLEMENTED)
 108
 109 AC_ARG_ENABLE(includedir,
 110 [  --enable-includedir=<path to include location> - where to put <security>],
 111         INCLUDEDIR=$enableval, INCLUDEDIR=/usr/include)
 112 AC_SUBST(INCLUDEDIR)
 113
 114 AC_ARG_ENABLE(docdir,
 115 [  --enable-docdir=<path to store documentation in - /usr/share/doc/pam>],
 116         DOCDIR=$enableval, DOCDIR=/usr/share/doc/pam)
 117 AC_SUBST(DOCDIR)
 118
 119 AC_ARG_ENABLE(mandir,
 120 [  --enable-mandir=<path to store manuals in - /usr/share/man>],
 121         MANDIR=$enableval, MANDIR=/usr/share/man)
 122 AC_SUBST(MANDIR)
 123
 124 AC_ARG_ENABLE(pamlocking,
 125 [  --enable-pamlocking      configure libpam to observe a global authentication lock],
 126         WITH_PAMLOCKING=yes ; AC_DEFINE(PAM_LOCKING) , WITH_PAMLOCKING=no)
 127 AC_SUBST(WITH_PAMLOCKING)
 128
 129 AC_ARG_ENABLE(uglyhack,
 130 [  --enable-uglyhack        configure libpam to try to honor old pam_strerror syntax],
 131         AC_DEFINE(UGLY_HACK_FOR_PRIOR_BEHAVIOR_SUPPORT))
 132
 133 AC_ARG_ENABLE(read-both-confs,
 134 [  --enable-read-both-confs  read both /etc/pam.d and /etc/pam.conf files],
 135         AC_DEFINE(PAM_READ_BOTH_CONFS))
 136 AC_SUBST(PAM_READ_BOTH_CONFS)
 137
 138 AC_ARG_ENABLE(static-libpam, [  --enable-static-libpam   build a libpam.a library],
 139         STATIC_LIBPAM=yes , STATIC_LIBPAM=no)
 140 AC_SUBST(STATIC_LIBPAM)
 141
 142 AC_ARG_ENABLE(dynamic-libpam,
 143 [  --disable-dynamic-libpam do not build a shared libpam library],
 144         DYNAMIC_LIBPAM=no, DYNAMIC_LIBPAM=yes)
 145 AC_SUBST(DYNAMIC_LIBPAM)
 146
 147 DYNAMIC=-DPAM_DYNAMIC
 148 AC_SUBST(DYNAMIC)
 149
 150 AC_ARG_ENABLE(static-modules,
 151 [  --enable-static-modules  do not make the modules dynamically loadable],
 152         STATIC=-DPAM_STATIC)
 153 AC_SUBST(STATIC)
 154
 155 AC_ARG_ENABLE(lckpwdf,
 156 [  --disable-lckpwdf do not use the lckpwdf function],
 157         WITH_LCKPWDF=no, WITH_LCKPWDF=yes)
 158 AC_SUBST(WITH_LCKPWDF)
 159
 160 AC_CHECK_HEADERS(paths.h)
 161 AC_ARG_WITH(mailspool,
 162 [  --with-mailspool         path to mail spool directory
 163                            [default _PATH_MAILDIR if defined in paths.h, otherwise /var/spool/mail]],
 164 with_mailspool=${withval})
 165 if test x$with_mailspool != x ; then
 166         pam_mail_spool="\"$with_mailspool\""
 167 else
 168         AC_TRY_RUN([
 169 #include <paths.h>
 170 int main() {
 171 #ifdef _PATH_MAILDIR
 172 exit(0);
 173 #else
 174 exit(1);
 175 #endif
 176 }], pam_mail_spool="_PATH_MAILDIR",
 177 pam_mail_spool="\"/var/spool/mail\"",
 178 pam_mail_spool="\"/var/spool/mail\"")
 179 fi
 180 AC_DEFINE_UNQUOTED(PAM_PATH_MAILDIR, $pam_mail_spool)
 181
 182 dnl Checks for libraries.
 183 AC_CHECK_LIB(c, __libc_sched_setscheduler, PAM_NEEDS_LIBC=, PAM_NEEDS_LIBC=-lc)
 184 AC_SUBST(PAM_NEEDS_LIBC)
 185
 186 dnl Checks for the existence of lckpwdf in libc
 187 AC_CHECK_LIB(c, lckpwdf, HAVE_LCKPWDF=yes, HAVE_LCKPWDF=no)
 188 AC_SUBST(HAVE_LCKPWDF)
 189
 190 dnl Checks for the existence of libdl - on BSD and Tru64 its part of libc
 191 AC_CHECK_LIB(dl, dlopen, LIBDL=-ldl)
 192 AC_SUBST(LIBDL)
 193
 194 dnl
 195 dnl At least on Solaris, the existing libcrack must be dynamic.
 196 dnl Ought to introduce a check for this.
 197 dnl
 198 AC_CHECK_LIB(crack, FascistCheck, HAVE_LIBCRACK=yes ; AC_DEFINE(HAVE_LIBCRACK),
 199         HAVE_LIBCRACK=no)
 200 AC_SUBST(HAVE_LIBCRACK)
 201
 202 AC_CHECK_LIB(crypt, fcrypt, HAVE_LIBCRYPT=yes ; AC_DEFINE(HAVE_LIBCRYPT),
 203         HAVE_LIBCRYPT=no)
 204 AC_SUBST(HAVE_LIBCRYPT)
 205 AC_CHECK_LIB(util, logwtmp, HAVE_LIBUTIL=yes ; AC_DEFINE(HAVE_LIBUTIL),
 206         HAVE_LIBUTIL=no)
 207 AC_SUBST(HAVE_LIBUTIL)
 208 AC_CHECK_LIB(ndbm, dbm_store, HAVE_LIBNDBM=yes ; AC_DEFINE(HAVE_LIBNDBM),
 209         HAVE_LIBNDBM=no)
 210 AC_SUBST(HAVE_LIBNDBM)
 211 AC_CHECK_LIB(db, dbm_store, HAVE_LIBDB=yes ; AC_DEFINE(HAVE_LIBDB),
 212         HAVE_LIBDB=no)
 213 if test x$HAVE_LIBDB != xyes ; then
 214         AC_CHECK_LIB(db, db_create, HAVE_LIBDB=yes ; AC_DEFINE(HAVE_LIBDB),
 215         HAVE_LIBDB=no)
 216 fi
 217 AC_SUBST(HAVE_LIBDB)
 218 AC_CHECK_LIB(fl, yylex, yyterminate, HAVE_LIBFL=yes ; AC_DEFINE(HAVE_LIBFL),
 219         HAVE_LIBFL=no)
 220 AC_SUBST(HAVE_LIBFL)
 221 AC_CHECK_LIB(nsl, yp_maplist, HAVE_LIBNSL=yes ; AC_DEFINE(HAVE_LIBNSL),
 222         HAVE_LIBNSL=no)
 223 AC_SUBST(HAVE_LIBNSL)
 224 AC_CHECK_LIB(pwdb, pwdb_db_name, HAVE_LIBPWDB=yes ; AC_DEFINE(HAVE_LIBPWDB),
 225         HAVE_LIBPWDB=no)
 226 AC_SUBST(HAVE_LIBPWDB)
 227 AC_CHECK_LIB(fl, yywrap, HAVE_LIBFLEX=yes ; AC_DEFINE(HAVE_LIBFLEX),
 228         HAVE_LIBFLEX=no)
 229 AC_SUBST(HAVE_LIBFLEX)
 230 AC_CHECK_LIB(l, yywrap, HAVE_LIBLEX=yes ; AC_DEFINE(HAVE_LIBLEX),
 231         HAVE_LIBLEX=no)
 232 AC_SUBST(HAVE_LIBLEX)
 233
 234 dnl Checks for header files.
 235 AC_HEADER_DIRENT
 236 AC_HEADER_STDC
 237 AC_HEADER_SYS_WAIT
 238 AC_CHECK_HEADERS(fcntl.h limits.h malloc.h sys/file.h sys/ioctl.h sys/time.h syslog.h termio.h unistd.h sys/fsuid.h)
 239
 240 dnl Linux wants features.h in some of the source files.
 241 AC_CHECK_HEADERS(features.h)
 242
 243 dnl For module/pam_cracklib
 244 AC_CHECK_HEADERS(crypt.h)
 245
 246 dnl For module/pam_userdb
 247 AC_CHECK_HEADERS(ndbm.h db.h)
 248 dnl I suspect the following two lines are a hack.
 249 HAVE_NDBM_H=$ac_cv_header_ndbm_h
 250 AC_SUBST(HAVE_NDBM_H)
 251
 252 dnl For module/pam_lastlog
 253 AC_CHECK_HEADERS(lastlog.h utmp.h utmpx.h)
 254
 255 dnl This following rule should be made conditional upon HAVE_LIBCRYPT
 256 dnl being found.
 257
 258 dnl Look for cracklib dictionary
 259 AC_MSG_CHECKING(path to cracklib dictionary)
 260 DICT_DIR_CANDIDATES="/usr/lib /usr/share/dict /usr/share/lib \
 261   /usr/local/lib /usr/local/share/lib"
 262 DICT_FILE_CANDIDATES="pw_dict cracklib_dict"
 263 CRACKLIB_DICTPATH=""
 264 for d in $DICT_DIR_CANDIDATES ; do
 265       for f in $DICT_FILE_CANDIDATES ; do
 266               if test -r $d/$f.hwm ; then
 267                       CRACKLIB_DICTPATH=$d/$f
 268                       break 2
 269               elif test -r $d/dict/$f.hwm ; then
 270                       CRACKLIB_DICTPATH=$d/dict/$f
 271                       break 2
 272               fi
 273       done
 274 done
 275 if test -z "$CRACKLIB_DICTPATH" ; then
 276       AC_MSG_RESULT(none found)
 277 else
 278       AC_MSG_RESULT($CRACKLIB_DICTPATH)
 279 fi
 280 AC_SUBST(CRACKLIB_DICTPATH)
 281
 282 dnl Set FLAGS, linker options etc. depending on C compiler.
 283 dnl gcc is tested and much preferred; others less so, if at all
 284 dnl
 285 dnl If compiling with gcc, linking is also supposed to be done with gcc;
 286 dnl since we use linker-specific arguments, we may not gain anything by
 287 dnl switching LD_L over, but I think we can use LD_D as-is.
 288 dnl
 289 dnl For the moment, gcc is enforced above at "CC=gcc".
 290 dnl
 291 dnl There is an issue over _POSIX_SOURCE _BSD_SOURCE and _GNU_SOURCE .
 292 dnl The original "Linux-PAM" had blanket inclusion.  But portability
 293 dnl requires their default absence: if particular OSes require them,
 294 dnl this should be done selectively.
 295
 296 GCC_WARNINGS="-Wall -Wwrite-strings \
 297         -Wpointer-arith -Wcast-qual -Wcast-align \
 298         -Wstrict-prototypes -Wmissing-prototypes \
 299         -Wnested-externs -Winline -Wshadow"
 300
 301 if test "$GCC" = yes; then
 302         CC=gcc                          ; AC_SUBST(CC)
 303 ### May need per-OS attention
 304 ### Example: -D_POSIX_SOURCE: needed on Linux but harms Solaris.
 305         case $OS in
 306         linux)
 307                 OS_CFLAGS="-ansi -D_POSIX_SOURCE -pedantic"
 308                 LD_D="gcc -shared -Xlinker -x"
 309                 WARNINGS="$GCC_WARNINGS"
 310                 PIC="-fPIC"
 311                 DYNTYPE=so
 312                 LD=ld
 313                 LD_L="$LD -x -shared"
 314                 RANLIB=ranlib
 315                 STRIP=strip
 316                 CC_STATIC="-Xlinker -export-dynamic"
 317                 ;;
 318         sunos)
 319                 OS_CFLAGS="-ansi -pedantic"
 320                 LD_D="gcc -shared -Xlinker -x"
 321                 WARNINGS="$GCC_WARNINGS"
 322                 PIC="-fPIC"
 323                 DYNTYPE=so
 324                 LD=ld
 325                 LD_L="$LD -x -shared"
 326                 RANLIB=ranlib
 327                 STRIP=strip
 328                 CC_STATIC="-Xlinker -export-dynamic"
 329                 ;;
 330         aix)
 331                 OS_CFLAGS=""
 332                 DYNTYPE=lo
 333                 LD=ld
 334                 LD_L=ld -bexpall -bM:SRE -bnoentry
 335                 LD_D="$LD_L"
 336                 RANLIB=ranlib
 337                 STRIP=strip
 338                 ;;
 339         *)
 340                 OS_CFLAGS=""
 341                 ;;
 342         esac
 343 else
 344 ###
 345 ### Non-gcc needs attention on per-OS basis
 346 ###
 347         case "$OS" in
 348         darwin)
 349 # add some stuff here (see sourceforge bug 534205)
 350 # DOCDIR=/System/Documentation/Administration/Libraries/PAM
 351 # MANDIR=/usr/share/man
 352                 ;;
 353         solaris)
 354             ### Support for Solaris-C
 355             OS_CFLAGS=""
 356             WARNINGS=""
 357             PIC="-K pic"
 358             LD=ld
 359             LD_D="cc -z text -G -R."
 360             LD_L="$LD_D"
 361             RANLIB=ranlib
 362             STRIP=strip
 363             CC_STATIC=
 364             ;;
 365         irix*)
 366             OSRELEASE=`uname -r`
 367             if test "$OSRELEASE" = 6.5; then
 368                 OS_CFLAGS=""
 369                 WARNINGS="-fullwarn"
 370                 PIC=                    #PIC code is default for IRIX
 371                 LD="cc -shared"         # modules friendly approach
 372                 LD_D="cc -shared"
 373                 LD_L="ld -G -z redlocsym"
 374                 RANLIB=echo
 375                 STRIP=strip
 376                 CC_STATIC=
 377             else
 378                 echo "IRIX prior to 6.5 not allowed for"
 379                 exit
 380             fi
 381             ;;
 382        *) echo "Native compiler on $OS is not yet supported"
 383                exit
 384             ;;
 385        esac
 386 fi
 387
 388 AC_SUBST(DYNTYPE)
 389 AC_SUBST(OS_CFLAGS)
 390 AC_SUBST(WARNINGS)
 391 AC_SUBST(PIC)
 392 AC_SUBST(LD)
 393 AC_SUBST(LD_D)
 394 AC_SUBST(LD_L)
 395 AC_SUBST(RANLIB)
 396 AC_SUBST(STRIP)
 397 AC_SUBST(CC_STATIC)
 398
 399 dnl Checks for typedefs, structures, and compiler characteristics.
 400 AC_C_BIGENDIAN
 401 AC_C_CONST
 402 AC_TYPE_UID_T
 403 AC_TYPE_OFF_T
 404 AC_TYPE_PID_T
 405 AC_TYPE_SIZE_T
 406 AC_HEADER_TIME
 407 AC_STRUCT_TM
 408
 409 dnl Checks for library functions.
 410 AC_TYPE_GETGROUPS
 411 AC_PROG_GCC_TRADITIONAL
 412 AC_FUNC_MEMCMP
 413 AC_FUNC_VPRINTF
 414 AC_CHECK_FUNCS(gethostname gettimeofday mkdir select strcspn strdup strerror strspn strstr strtol uname)
 415
 416 AC_CHECK_FUNCS(getpwnam_r getgrnam_r)
 417
 418 dnl Checks for programs/utilities
 419 AC_CHECK_PROG(HAVE_SGML2TXT, sgml2txt, yes, no)
 420 AC_CHECK_PROG(HAVE_SGML2HTML, sgml2html, yes, no)
 421 AC_CHECK_PROG(HAVE_SGML2LATEX, sgml2latex, yes, no)
 422 if test $HAVE_SGML2LATEX = "yes" ; then
 423   if sgml2latex -h | grep -e --paper | grep  ' -p ' > /dev/null ; then
 424     PSER="sgml2latex -o ps"
 425   else
 426     PSER="sgml2latex -p"
 427   fi
 428   AC_CHECK_PROG(HAVE_PS2PDF, ps2pdf, yes, no)
 429 else
 430   AC_CHECK_PROG(HAVE_SGML2PS, sgml2ps, yes, no)
 431   if test $HAVE_SGML2PS = yes ; then
 432     PSER="sgml2ps"
 433   fi
 434 fi
 435 AC_SUBST(PSER)
 436 AC_SUBST(PS2PDF)
 437
 438 dnl Files to be created from when we run configure
 439 AC_OUTPUT(Make.Rules)