diff options
Diffstat (limited to 'm4/gssapi.m4')
| -rw-r--r-- | m4/gssapi.m4 | 114 |
1 files changed, 81 insertions, 33 deletions
diff --git a/m4/gssapi.m4 b/m4/gssapi.m4 index 0a657ff..c596609 100644 --- a/m4/gssapi.m4 +++ b/m4/gssapi.m4 @@ -3,7 +3,8 @@ dnl dnl Finds the compiler and linker flags for linking with GSS-API libraries. dnl Provides the --with-gssapi, --with-gssapi-include, and --with-gssapi-lib dnl configure option to specify a non-standard path to the GSS-API libraries. -dnl Uses krb5-config where available unless reduced dependencies is requested. +dnl Uses krb5-config where available unless reduced dependencies is requested +dnl or --with-gssapi-include or --with-gssapi-lib are given. dnl dnl Provides the macro RRA_LIB_GSSAPI and sets the substitution variables dnl GSSAPI_CPPFLAGS, GSSAPI_LDFLAGS, and GSSAPI_LIBS. Also provides @@ -11,13 +12,34 @@ dnl RRA_LIB_GSSAPI_SWITCH to set CPPFLAGS, LDFLAGS, and LIBS to include the dnl GSS-API libraries, saving the ecurrent values, and RRA_LIB_GSSAPI_RESTORE dnl to restore those settings to before the last RRA_LIB_GSSAPI_SWITCH. dnl -dnl Depends on RRA_ENABLE_REDUCED_DEPENDS and RRA_SET_LDFLAGS. +dnl Also provides RRA_INCLUDES_KRB5, which are the headers to include when +dnl probing the Kerberos library properties. +dnl +dnl Depends on RRA_KRB5_CONFIG, RRA_ENABLE_REDUCED_DEPENDS, and +dnl RRA_SET_LDFLAGS. +dnl +dnl The canonical version of this file is maintained in the rra-c-util +dnl package, available at <http://www.eyrie.org/~eagle/software/rra-c-util/>. dnl dnl Written by Russ Allbery <rra@stanford.edu> -dnl Copyright 2005, 2006, 2007, 2008, 2009 -dnl Board of Trustees, Leland Stanford Jr. University +dnl Copyright 2005, 2006, 2007, 2008, 2009, 2011, 2012 +dnl The Board of Trustees of the Leland Stanford Junior University dnl -dnl See LICENSE for licensing terms. +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 Headers to include when probing for Kerberos library properties. +AC_DEFUN([RRA_INCLUDES_GSSAPI], [[ +#ifdef HAVE_GSSAPI_GSSAPI_H +# include <gssapi/gssapi.h> +#else +# include <gssapi.h> +#endif +#ifdef HAVE_GSSAPI_GSSAPI_KRB5_H +# include <gssapi/gssapi_krb5.h> +#endif +]]) dnl Save the current CPPFLAGS, LDFLAGS, and LIBS settings and switch to dnl versions that include the GSS-API flags. Used as a wrapper, with @@ -68,18 +90,18 @@ AC_DEFUN([_RRA_LIB_GSSAPI_MANUAL], [RRA_LIB_GSSAPI_SWITCH rra_gssapi_extra= LIBS= - AC_SEARCH_LIBS([res_search], [resolv], , + AC_SEARCH_LIBS([res_search], [resolv], [], [AC_SEARCH_LIBS([__res_search], [resolv])]) AC_SEARCH_LIBS([gethostbyname], [nsl]) - AC_SEARCH_LIBS([socket], [socket], , - [AC_CHECK_LIB([nsl], [socket], [LIBS="-lnsl -lsocket $LIBS"], , + AC_SEARCH_LIBS([socket], [socket], [], + [AC_CHECK_LIB([nsl], [socket], [LIBS="-lnsl -lsocket $LIBS"], [], [-lsocket])]) AC_SEARCH_LIBS([crypt], [crypt]) + AC_SEARCH_LIBS([roken_concat], [roken]) rra_gssapi_extra="$LIBS" LIBS="$rra_gssapi_save_LIBS" AC_CHECK_LIB([gssapi], [gss_import_name], - [GSSAPI_LIBS="-lgssapi -lkrb5 -lasn1 -lroken -lcrypto -lcom_err" - GSSAPI_LIBS="$GSSAPI_LIBS $rra_gssapi_extra"], + [GSSAPI_LIBS="-lgssapi -lkrb5 -lasn1 -lcrypto -lcom_err $rra_gssapi_extra"], [AC_CHECK_LIB([krb5support], [krb5int_getspecific], [rra_gssapi_extra="-lkrb5support $rra_gssapi_extra"], [AC_CHECK_LIB([pthreads], [pthread_setspecific], @@ -88,7 +110,7 @@ AC_DEFUN([_RRA_LIB_GSSAPI_MANUAL], [rra_gssapi_pthread="-lpthread"])]) AC_CHECK_LIB([krb5support], [krb5int_setspecific], [rra_gssapi_extra="-lkrb5support $rra_gssapi_extra" - rra_gssapi_extra="$rra_gssapi_extra $rra_gssapi_pthread"], , + rra_gssapi_extra="$rra_gssapi_extra $rra_gssapi_pthread"], [], [$rra_gssapi_pthread])]) AC_CHECK_LIB([com_err], [error_message], [rra_gssapi_extra="-lcom_err $rra_gssapi_extra"]) @@ -101,7 +123,7 @@ AC_DEFUN([_RRA_LIB_GSSAPI_MANUAL], [GSSAPI_LIBS="-lgss"], [AC_MSG_ERROR([cannot find usable GSS-API library])])], [$rra_gssapi_extra])], - [-lkrb5 -lasn1 -lroken -lcrypto -lcom_err $rra_gssapi_extra]) + [-lkrb5 -lasn1 -lcrypto -lcom_err $rra_gssapi_extra]) RRA_LIB_GSSAPI_RESTORE]) dnl Sanity-check the results of krb5-config and be sure we can really link a @@ -116,6 +138,44 @@ AC_DEFUN([_RRA_LIB_GSSAPI_CHECK], _RRA_LIB_GSSAPI_PATHS _RRA_LIB_GSSAPI_MANUAL])]) +dnl Determine GSS-API compiler and linker flags from krb5-config. +AC_DEFUN([_RRA_LIB_GSSAPI_CONFIG], +[RRA_KRB5_CONFIG([${rra_gssapi_root}], [gssapi], [GSSAPI], + [_RRA_LIB_GSSAPI_CHECK], + [_RRA_LIB_GSSAPI_PATHS + _RRA_LIB_GSSAPI_MANUAL])]) + +dnl Check for a header using a file existence check rather than using +dnl AC_CHECK_HEADERS. This is used if there were arguments to configure +dnl specifying the GSS-API library path, since we may have one header in the +dnl default include path and another under our explicitly-configured GSS-API +dnl location. +AC_DEFUN([_RRA_LIB_GSSAPI_CHECK_HEADER], +[AC_MSG_CHECKING([for $1]) + AS_IF([test -f "${rra_gssapi_incroot}/$1"], + [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1]), [1], + [Define to 1 if you have the <$1> header file.]) + AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no])])]) + +dnl Determine the GSS-API header location and probe for some other +dnl characteristics of the libraries. We use a file existence check rather +dnl than letting the compiler probe for the right header location +AC_DEFUN([_RRA_LIB_GSSAPI_EXTRA], +[rra_gssapi_incroot= + AS_IF([test x"$rra_gssapi_includedir" != x], + [rra_gssapi_incroot="$rra_gssapi_includedir"], + [AS_IF([test x"$rra_gssapi_root" != x], + [rra_gssapi_incroot="${rra_gssapi_root}/include"])]) + AS_IF([test x"$rra_gssapi_incroot" = x], + [AC_CHECK_HEADERS([gssapi/gssapi.h gssapi/gssapi_krb5.h])], + [_RRA_LIB_GSSAPI_CHECK_HEADER([gssapi/gssapi.h]) + _RRA_LIB_GSSAPI_CHECK_HEADER([gssapi/gssapi_krb5.h])]) + AC_CHECK_DECL([GSS_C_NT_USER_NAME], + [AC_DEFINE([HAVE_GSS_RFC_OIDS], 1, + [Define to 1 if the GSS-API library uses RFC-compliant OIDs.])], [], + [RRA_INCLUDES_GSSAPI])]) + dnl The main macro. AC_DEFUN([RRA_LIB_GSSAPI], [AC_REQUIRE([RRA_ENABLE_REDUCED_DEPENDS]) @@ -148,24 +208,12 @@ AC_DEFUN([RRA_LIB_GSSAPI], AS_IF([test x"$rra_reduced_depends" = xtrue], [_RRA_LIB_GSSAPI_PATHS _RRA_LIB_GSSAPI_REDUCED], - [AC_ARG_VAR([KRB5_CONFIG], [Path to krb5-config]) - AS_IF([test x"$rra_gssapi_root" != x && test -z "$KRB5_CONFIG"], - [AS_IF([test -x "${rra_gssapi_root}/bin/krb5-config"], - [KRB5_CONFIG="${rra_gssapi_root}/bin/krb5-config"])], - [AC_PATH_PROG([KRB5_CONFIG], [krb5-config])]) - AS_IF([test x"$KRB5_CONFIG" != x && test -x "$KRB5_CONFIG"], - [AC_CACHE_CHECK([for gssapi support in krb5-config], - [rra_cv_lib_gssapi_config], - [AS_IF(["$KRB5_CONFIG" 2>&1 | grep gssapi >/dev/null 2>&1], - [rra_cv_lib_gssapi_config=yes], - [rra_cv_lib_gssapi_config=no])]) - AS_IF([test "$rra_cv_lib_gssapi_config" = yes], - [GSSAPI_CPPFLAGS=`"$KRB5_CONFIG" --cflags gssapi 2>/dev/null` - GSSAPI_LIBS=`"$KRB5_CONFIG" --libs gssapi 2>/dev/null`], - [GSSAPI_CPPFLAGS=`"$KRB5_CONFIG" --cflags 2>/dev/null` - GSSAPI_LIBS=`"$KRB5_CONFIG" --libs 2>/dev/null`]) - GSSAPI_CPPFLAGS=`echo "$GSSAPI_CPPFLAGS" \ - | sed 's%-I/usr/include ?%%'` - _RRA_LIB_GSSAPI_CHECK], - [_RRA_LIB_GSSAPI_PATHS - _RRA_LIB_GSSAPI_MANUAL])])]) + [AS_IF([test x"$rra_gssapi_includedir" = x \ + && test x"$rra_gssapi_libdir" = x], + [_RRA_LIB_GSSAPI_CONFIG], + [_RRA_LIB_GSSAPI_PATHS + _RRA_LIB_GSSAPI_MANUAL])]) + + RRA_LIB_GSSAPI_SWITCH + _RRA_LIB_GSSAPI_EXTRA + RRA_LIB_GSSAPI_RESTORE]) |