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