macros/pam-check.m4

   1 dnl $Id: pam-check.m4,v 1.2.10.3 2004-04-04 17:44:18 bfernhomberg Exp $
   2 dnl PAM finding macro
   3
   4 AC_DEFUN([AC_PATH_PAM], [
   5         AC_ARG_WITH(pam, [  --with-pam[[=PATH]]       specify path to PAM installation [[auto]]],
   6                 [
   7                         require_pam="yes"
   8                         if test "x$withval" = "xno"; then
   9                                 PAMDIR="NONE"
  10                                 require_pam="never"
  11                         elif test "x$withval" = "xyes"; then
  12                                 PAMDIR="NONE"
  13                         else
  14                                 PAMDIR="$withval"
  15                         fi
  16                 ],
  17                 [PAMDIR="NONE";require_pam="no"]
  18         )
  19
  20         AC_MSG_CHECKING([for PAM installation directory])
  21         if test "$host_os" != "solaris"; then
  22                 if test "x$PAMDIR" = "xNONE" -a "x$require_pam" != "xnever"; then
  23                   dnl Test for PAM
  24                   pam_paths="/ /usr/ /usr/local/"
  25                   for path in $pam_paths; do
  26                         if test -d "${path}etc/pam.d"; then
  27                                 PAMDIR="$path"
  28                                 break
  29                         fi
  30                   done
  31                 fi
  32
  33                 if test "x$PAMDIR" != "xNONE"; then
  34                         AC_MSG_RESULT([yes (path: ${PAMDIR}etc/pam.d)])
  35                 else
  36                         AC_MSG_RESULT([no])
  37                 fi
  38         else
  39                 AC_MSG_RESULT([/etc/pam.conf (solaris)])
  40         fi
  41
  42         pam_found="no"
  43         if test "x$require_pam" != "xnever"; then
  44
  45                 savedCFLAGS="$CFLAGS"
  46                 savedLDFLAGS="$LDFLAGS"
  47                 savedLIBS="$LIBS"
  48
  49                 if test "x$PAMDIR" != "xNONE" -a "x$PAMDIR" != "x/"; then
  50                         PAM_CFLAGS="-I${PAMDIR}include"
  51                         PAM_LDFLAGS="-L${PAMDIR}lib"
  52                         LDFLAGS="$LDFLAGS $PAM_LDFLAGS"
  53                         CFLAGS="$CFLAGS $PAM_CFLAGS"
  54                 fi
  55
  56                 AC_CHECK_HEADERS(security/pam_appl.h pam/pam_appl.h)
  57
  58                 if test x"$ac_cv_header_security_pam_appl_h" = x"no" -a x"$ac_cv_header_pam_pam_appl_h" = x"no"; then
  59                         pam_found=no
  60                 else
  61                         AC_CHECK_LIB(pam, pam_set_item, [
  62                                 PAM_LIBS="$PAM_LDFLAGS -lpam"
  63                                 pam_found="yes"
  64                         ])
  65                 fi
  66                 CFLAGS="$savedCFLAGS"
  67                 LDFLAGS="$savedLDFLAGS"
  68                 LIBS="$savedLIBS"
  69         fi
  70
  71         netatalk_cv_install_pam=yes
  72         if test x"$pam_found" = "xyes" -a "x$PAMDIR" = "xNONE"; then
  73                 AC_MSG_WARN([PAM support can be compiled, but the install location for the netatalk.pamd file could not be determined. Either install this file by hand or specify the install path.])
  74                 netatalk_cv_install_pam=no
  75         fi
  76
  77         AC_MSG_CHECKING([whether to enable PAM support])
  78         if test "x$pam_found" = "xno"; then
  79                 if test "x$require_pam" = "xyes"; then
  80                         AC_MSG_ERROR([PAM support missing])
  81                 else
  82                         AC_MSG_RESULT([no])
  83                 fi
  84                 ifelse([$2], , :, [$2])
  85         else
  86                 AC_MSG_RESULT([yes])
  87                 ifelse([$1], , :, [$1])
  88         fi
  89
  90         LIB_REMOVE_USR_LIB(PAM_LIBS)
  91         CFLAGS_REMOVE_USR_INCLUDE(PAM_CFLAGS)
  92         AC_SUBST(PAMDIR)
  93         AC_SUBST(PAM_CFLAGS)
  94         AC_SUBST(PAM_LIBS)
  95 ])