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