X-Git-Url: https://git.eyrie.org/?a=blobdiff_plain;f=m4%2Fkrb5.m4;h=950524f4069f28c62c51ecaaae8e68966f93a7bb;hb=12fc918526a1261f8d34cdb4ebecc161ec7e223b;hp=2556425ec91060678875b914e109b56b5908feb7;hpb=3c8cf7a4cca552e73a4b134e8aec1d68c79984b4;p=kerberos%2Fkrb5-strength.git
diff --git a/m4/krb5.m4 b/m4/krb5.m4
index 2556425..950524f 100644
--- a/m4/krb5.m4
+++ b/m4/krb5.m4
@@ -11,23 +11,27 @@ dnl KRB5_CPPFLAGS, KRB5_LDFLAGS, and KRB5_LIBS. Also provides
dnl RRA_LIB_KRB5_SWITCH to set CPPFLAGS, LDFLAGS, and LIBS to include the
dnl Kerberos libraries, saving the current values first, and
dnl RRA_LIB_KRB5_RESTORE to restore those settings to before the last
-dnl RRA_LIB_KRB5_SWITCH. HAVE_KERBEROS will always be defined if RRA_LIB_KRB5
-dnl is used.
+dnl RRA_LIB_KRB5_SWITCH. HAVE_KRB5 will always be defined if RRA_LIB_KRB5 is
+dnl used.
dnl
dnl If KRB5_CPPFLAGS, KRB5_LDFLAGS, or KRB5_LIBS are set before calling these
dnl macros, their values will be added to whatever the macros discover.
dnl
dnl Provides the RRA_LIB_KRB5_OPTIONAL macro, which should be used if Kerberos
-dnl support is optional. This macro will still always set the substitution
-dnl variables, but they'll be empty unless --with-krb5 is given. Also,
-dnl HAVE_KERBEROS will be defined if --with-krb5 is given and
-dnl $rra_use_kerberos will be set to "true".
+dnl support is optional. In this case, Kerberos libraries are mandatory if
+dnl --with-krb5 is given, and will not be probed for if --without-krb5 is
+dnl given. Otherwise, they'll be probed for but will not be required.
+dnl Defines HAVE_KRB5 and sets rra_use_KRB5 to true if the libraries are
+dnl found. The substitution variables will always be set, but they will be
+dnl empty unless Kerberos libraries are found and the user did not disable
+dnl Kerberos support.
dnl
dnl Sets the Automake conditional KRB5_USES_COM_ERR saying whether we use
dnl com_err, since if we're also linking with AFS libraries, we may have to
dnl change library ordering in that case.
dnl
-dnl Depends on RRA_ENABLE_REDUCED_DEPENDS and RRA_SET_LDFLAGS.
+dnl Depends on RRA_KRB5_CONFIG, RRA_ENABLE_REDUCED_DEPENDS, and
+dnl RRA_SET_LDFLAGS.
dnl
dnl Also provides RRA_FUNC_KRB5_GET_INIT_CREDS_OPT_FREE_ARGS, which checks
dnl whether krb5_get_init_creds_opt_free takes one argument or two. Defines
@@ -40,13 +44,16 @@ dnl The canonical version of this file is maintained in the rra-c-util
dnl package, available at .
dnl
dnl Written by Russ Allbery
-dnl Copyright 2005, 2006, 2007, 2008, 2009, 2010, 2011
+dnl Copyright 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013
dnl The Board of Trustees of the Leland Stanford Junior University
dnl
dnl This file is free software; the authors give unlimited permission to copy
dnl and/or distribute it, with or without modifications, as long as this
dnl notice is preserved.
+dnl Ignore Automake conditionals if not using Automake.
+m4_define_default([AM_CONDITIONAL], [:])
+
dnl Headers to include when probing for Kerberos library properties.
AC_DEFUN([RRA_INCLUDES_KRB5], [[
#if HAVE_KRB5_H
@@ -124,7 +131,9 @@ AC_DEFUN([_RRA_LIB_KRB5_REDUCED],
[RRA_INCLUDES_KRB5])],
[AC_CHECK_LIB([com_err], [com_err],
[KRB5_LIBS="$KRB5_LIBS -lcom_err"],
- [AC_MSG_ERROR([cannot find usable com_err library])])
+ [AS_IF([test x"$1" = xtrue],
+ [AC_MSG_ERROR([cannot find usable com_err library])],
+ [KRB5_LIBS=""])])
AC_CHECK_HEADERS([et/com_err.h])])])])])
RRA_LIB_KRB5_RESTORE])
@@ -242,15 +251,16 @@ AC_DEFUN([_RRA_LIB_KRB5_INTERNAL],
[_RRA_LIB_KRB5_PATHS
_RRA_LIB_KRB5_MANUAL([$1])])])
rra_krb5_uses_com_err=false
- AS_CASE([$LIBS], [*-lcom_err*], [rra_krb5_uses_com_err=true])
- AM_CONDITIONAL([KRB5_USES_COM_ERR], [test x"$rra_krb5_uses_com_err" = xtrue])])
+ AS_CASE([$KRB5_LIBS], [*-lcom_err*], [rra_krb5_uses_com_err=true])
+ AM_CONDITIONAL([KRB5_USES_COM_ERR],
+ [test x"$rra_krb5_uses_com_err" = xtrue])])
dnl The main macro for packages with mandatory Kerberos support.
AC_DEFUN([RRA_LIB_KRB5],
[rra_krb5_root=
rra_krb5_libdir=
rra_krb5_includedir=
- rra_use_kerberos=true
+ rra_use_KRB5=true
AC_SUBST([KRB5_CPPFLAGS])
AC_SUBST([KRB5_LDFLAGS])
AC_SUBST([KRB5_LIBS])
@@ -271,14 +281,14 @@ AC_DEFUN([RRA_LIB_KRB5],
[AS_IF([test x"$withval" != xyes && test x"$withval" != xno],
[rra_krb5_libdir="$withval"])])
_RRA_LIB_KRB5_INTERNAL([true])
- AC_DEFINE([HAVE_KERBEROS], 1, [Define to enable Kerberos features.])])
+ AC_DEFINE([HAVE_KRB5], 1, [Define to enable Kerberos features.])])
dnl The main macro for packages with optional Kerberos support.
AC_DEFUN([RRA_LIB_KRB5_OPTIONAL],
[rra_krb5_root=
rra_krb5_libdir=
rra_krb5_includedir=
- rra_use_kerberos=
+ rra_use_KRB5=
AC_SUBST([KRB5_CPPFLAGS])
AC_SUBST([KRB5_LDFLAGS])
AC_SUBST([KRB5_LIBS])
@@ -287,9 +297,9 @@ AC_DEFUN([RRA_LIB_KRB5_OPTIONAL],
[AS_HELP_STRING([--with-krb5@<:@=DIR@:>@],
[Location of Kerberos headers and libraries])],
[AS_IF([test x"$withval" = xno],
- [rra_use_kerberos=false],
+ [rra_use_KRB5=false],
[AS_IF([test x"$withval" != xyes], [rra_krb5_root="$withval"])
- rra_use_kerberos=true])])
+ rra_use_KRB5=true])])
AC_ARG_WITH([krb5-include],
[AS_HELP_STRING([--with-krb5-include=DIR],
[Location of Kerberos headers])],
@@ -301,13 +311,14 @@ AC_DEFUN([RRA_LIB_KRB5_OPTIONAL],
[AS_IF([test x"$withval" != xyes && test x"$withval" != xno],
[rra_krb5_libdir="$withval"])])
- AS_IF([test x"$rra_use_kerberos" != xfalse],
- [AS_IF([test x"$rra_use_kerberos" = xtrue],
+ AS_IF([test x"$rra_use_KRB5" != xfalse],
+ [AS_IF([test x"$rra_use_KRB5" = xtrue],
[_RRA_LIB_KRB5_INTERNAL([true])],
[_RRA_LIB_KRB5_INTERNAL([false])])],
[AM_CONDITIONAL([KRB5_USES_COM_ERR], [false])])
AS_IF([test x"$KRB5_LIBS" != x],
- [AC_DEFINE([HAVE_KERBEROS], 1, [Define to enable Kerberos features.])])])
+ [rra_use_KRB5=true
+ AC_DEFINE([HAVE_KRB5], 1, [Define to enable Kerberos features.])])])
dnl Source used by RRA_FUNC_KRB5_GET_INIT_CREDS_OPT_FREE_ARGS.
AC_DEFUN([_RRA_FUNC_KRB5_OPT_FREE_ARGS_SOURCE], [RRA_INCLUDES_KRB5] [[