diff options
Diffstat (limited to 'm4/remctl.m4')
| -rw-r--r-- | m4/remctl.m4 | 94 |
1 files changed, 78 insertions, 16 deletions
diff --git a/m4/remctl.m4 b/m4/remctl.m4 index bb3a56f..588404f 100644 --- a/m4/remctl.m4 +++ b/m4/remctl.m4 @@ -10,15 +10,28 @@ dnl REMCTL_CPPFLAGS, REMCTL_LDFLAGS, and REMCTL_LIBS. Also provides dnl RRA_LIB_REMCTL_SWITCH to set CPPFLAGS, LDFLAGS, and LIBS to include the dnl remctl libraries, saving the current values first, and dnl RRA_LIB_REMCTL_RESTORE to restore those settings to before the last -dnl RRA_LIB_REMCTL_SWITCH. +dnl RRA_LIB_REMCTL_SWITCH. HAVE_REMCTL will always be defined if +dnl RRA_LIB_REMCTL is used. +dnl +dnl Provides the RRA_LIB_REMCTL_OPTIONAL macro, which should be used if +dnl Kerberos support is optional. This macro will still always est the +dnl substitution variables, but they'll be empty unless --with-remctl is +dnl given. HAVE_REMCTL will be defined if --with-remctl is given and +dnl $rra_use_remctl will be set to "true". dnl dnl Depends on RRA_ENABLE_REDUCED_DEPENDS, RRA_SET_LDFLAGS, and dnl RRA_LIB_GSSAPI. 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 2008, 2009 Board of Trustees, Leland Stanford Jr. University +dnl Copyright 2008, 2009, 2011 +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 Save the current CPPFLAGS, LDFLAGS, and LIBS settings and switch to dnl versions that include the remctl flags. Used as a wrapper, with @@ -55,16 +68,34 @@ dnl Sanity-check the results of the remctl library search to be sure we can dnl really link a remctl program. AC_DEFUN([_RRA_LIB_REMCTL_CHECK], [RRA_LIB_REMCTL_SWITCH - AC_CHECK_FUNC([remctl_open], , - [AC_MSG_FAILURE([unable to link with remctl library])]) + AC_CHECK_FUNC([remctl_open], [], + [AS_IF([test x"$1" = xtrue], + [AC_MSG_FAILURE([unable to link with remctl library])]) + REMCTL_CPPFLAGS= + REMCTL_LDFLAGS= + REMCTL_LIBS=]) RRA_LIB_REMCTL_RESTORE]) -dnl The main macro. -AC_DEFUN([RRA_LIB_REMCTL], +dnl The core of the library checking, shared between RRA_LIB_REMCTL and +dnl RRA_LIB_REMCTL_OPTIONAL. The single argument, if "true", says to fail if +dnl remctl could not be found. +AC_DEFUN([_RRA_LIB_REMCTL_INTERNAL], [AC_REQUIRE([RRA_ENABLE_REDUCED_DEPENDS]) - rra_remctl_root= + _RRA_LIB_REMCTL_PATHS + AS_IF([test x"$rra_reduced_depends" = xtrue], + [REMCTL_LIBS="-lremctl"], + [RRA_LIB_GSSAPI + REMCTL_CPPFLAGS="$REMCTL_CPPFLAGS $GSSAPI_CPPFLAGS" + REMCTL_LDFLAGS="$REMCTL_LDFLAGS $GSSAPI_LDFLAGS" + REMCTL_LIBS="-lremctl $GSSAPI_LIBS"]) + _RRA_LIB_REMCTL_CHECK([$1])]) + +dnl The main macro for packages with mandatory remctl support. +AC_DEFUN([RRA_LIB_REMCTL], +[rra_remctl_root= rra_remctl_libdir= rra_remctl_includedir= + rra_use_remctl=true REMCTL_CPPFLAGS= REMCTL_LDFLAGS= REMCTL_LIBS= @@ -87,12 +118,43 @@ AC_DEFUN([RRA_LIB_REMCTL], [Location of remctl libraries])], [AS_IF([test x"$withval" != xyes && test x"$withval" != xno], [rra_remctl_libdir="$withval"])]) + _RRA_LIB_REMCTL_INTERNAL([true]) + AC_DEFINE([HAVE_REMCTL], 1, [Define to enable remctl features.])]) - _RRA_LIB_REMCTL_PATHS - AS_IF([test x"$rra_reduced_depends" = xtrue], - [REMCTL_LIBS="-lremctl"], - [RRA_LIB_GSSAPI - REMCTL_CPPFLAGS="$REMCTL_CPPFLAGS $GSSAPI_CPPFLAGS" - REMCTL_LDFLAGS="$REMCTL_LDFLAGS $GSSAPI_LDFLAGS" - REMCTL_LIBS="-lremctl $GSSAPI_LIBS"]) - _RRA_LIB_REMCTL_CHECK]) +dnl The main macro for packages with optional remctl support. +AC_DEFUN([RRA_LIB_REMCTL_OPTIONAL], +[rra_remctl_root= + rra_remctl_libdir= + rra_remctl_includedir= + rra_use_remctl= + REMCTL_CPPFLAGS= + REMCTL_LDFLAGS= + REMCTL_LIBS= + AC_SUBST([REMCTL_CPPFLAGS]) + AC_SUBST([REMCTL_LDFLAGS]) + AC_SUBST([REMCTL_LIBS]) + + AC_ARG_WITH([remctl], + [AS_HELP_STRING([--with-remctl@<:@=DIR@:>@], + [Location of remctl headers and libraries])], + [AS_IF([test x"$withval" = xno], + [rra_use_remctl=false], + [AS_IF([test x"$withval" != xyes], [rra_remctl_root="$withval"]) + rra_use_remctl=true])]) + AC_ARG_WITH([remctl-include], + [AS_HELP_STRING([--with-remctl-include=DIR], + [Location of remctl headers])], + [AS_IF([test x"$withval" != xyes && test x"$withval" != xno], + [rra_remctl_includedir="$withval"])]) + AC_ARG_WITH([remctl-lib], + [AS_HELP_STRING([--with-remctl-lib=DIR], + [Location of remctl libraries])], + [AS_IF([test x"$withval" != xyes && test x"$withval" != xno], + [rra_remctl_libdir="$withval"])]) + AS_IF([test x"$rra_use_remctl" != xfalse], + [AS_IF([test x"$rra_use_remctl" = xtrue], + [_RRA_LIB_REMCTL_INTERNAL([true])], + [_RRA_LIB_REMCTL_INTERNAL([false])])]) + AS_IF([test x"$REMCTL_LIBS" != x], + [rra_use_remctl=true + AC_DEFINE([HAVE_REMCTL], 1, [Define to enable remctl features.])])]) |