From dc9010572c1d32a4e1c82afbee2a359c429cc9aa Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Sat, 20 Mar 2010 23:41:15 +1100
Subject: build: support systems without rpath

---
 buildtools/wafsamba/samba_autoconf.py |  9 +++++++++
 buildtools/wafsamba/samba_utils.py    |  9 ++++++---
 lib/replace/wscript                   | 18 ++++++++++++++----
 source4/selftest/wscript              |  3 +++
 4 files changed, 32 insertions(+), 7 deletions(-)

diff --git a/buildtools/wafsamba/samba_autoconf.py b/buildtools/wafsamba/samba_autoconf.py
index 4ea29d4058..e91409e0a4 100644
--- a/buildtools/wafsamba/samba_autoconf.py
+++ b/buildtools/wafsamba/samba_autoconf.py
@@ -409,3 +409,12 @@ def CURRENT_CFLAGS(bld, target, cflags):
     ret = TO_LIST(cflags)
     ret.extend(list)
     return ret
+
+@conf
+def CHECK_RPATH_SUPPORT(conf):
+    '''see if the system supports rpath'''
+    return conf.CHECK_CODE('int x',
+                           define='HAVE_RPATH_SUPPORT',
+                           execute=True,
+                           msg='Checking for rpath support',
+                           cflags='-Wl,-rpath=.')
diff --git a/buildtools/wafsamba/samba_utils.py b/buildtools/wafsamba/samba_utils.py
index 9893a86c30..564b5b82e3 100644
--- a/buildtools/wafsamba/samba_utils.py
+++ b/buildtools/wafsamba/samba_utils.py
@@ -62,13 +62,16 @@ def runonce(function):
 
 def set_rpath(bld):
     '''setup the default rpath'''
-    rpath = os.path.normpath('%s/%s' % (bld.env['BUILD_DIRECTORY'], LIB_PATH))
-    bld.env.append_value('RPATH', '-Wl,-rpath=%s' % rpath)
+    if bld.env.RPATH_ON_BUILD:
+        rpath = os.path.normpath('%s/%s' % (bld.env['BUILD_DIRECTORY'], LIB_PATH))
+        bld.env.append_value('RPATH', '-Wl,-rpath=%s' % rpath)
+    else:
+        os.environ['LD_LIBRARY_PATH'] = os.path.normpath('%s/../shared' % bld.srcnode.abspath(bld.env))
 Build.BuildContext.set_rpath = set_rpath
 
 def install_rpath(bld):
     '''the rpath value for installation'''
-    if bld.env['RPATH_ON_INSTALL']:
+    if bld.env.RPATH_ON_INSTALL:
         return ['-Wl,-rpath=%s/lib' % bld.env.PREFIX]
     return []
 
diff --git a/lib/replace/wscript b/lib/replace/wscript
index fa0e40d21a..d54e18b26b 100644
--- a/lib/replace/wscript
+++ b/lib/replace/wscript
@@ -20,9 +20,12 @@ def set_options(opt):
     opt.add_option('--sbindir',
                    help=("system admin executables [PREFIX/sbin]"),
                    action="store", dest='SBINDIR', default='${PREFIX}/sbin')
-    opt.add_option('--enable-rpath',
-                   help=("Enable use of rpath for installed binaries"),
-                   action="store_true", dest='enable_rpath', default=False)
+    opt.add_option('--disable-rpath',
+                   help=("Disable use of rpath for build binaries"),
+                   action="store_true", dest='disable_rpath_build', default=False)
+    opt.add_option('--disable-rpath-install',
+                   help=("Disable use of rpath for installed binaries"),
+                   action="store_true", dest='disable_rpath_install', default=False)
     opt.add_option('--enable-developer',
                    help=("Turn on developer warnings and debugging"),
                    action="store_true", dest='developer', default=False)
@@ -71,7 +74,14 @@ def configure(conf):
     conf.env.BINDIR = Options.options.BINDIR
     conf.env.SBINDIR = Options.options.SBINDIR
 
-    conf.env.RPATH_ON_INSTALL = Options.options.enable_rpath
+    # check for rpath
+    if conf.CHECK_RPATH_SUPPORT():
+        conf.env.RPATH_ON_BUILD   = not Options.options.disable_rpath_build
+        conf.env.RPATH_ON_INSTALL = (conf.env.RPATH_ON_BUILD and
+                                     not Options.options.disable_rpath_install)
+    else:
+        conf.env.RPATH_ON_INSTALL = False
+        conf.env.RPATH_ON_BUILD   = False
 
     # we should use the PIC options in waf instead
     conf.ADD_CFLAGS('-fPIC')
diff --git a/source4/selftest/wscript b/source4/selftest/wscript
index 4fea799ecf..858d92a9aa 100644
--- a/source4/selftest/wscript
+++ b/source4/selftest/wscript
@@ -67,6 +67,9 @@ def cmd_testonly(opt):
     if Options.options.VALGRIND_SERVER:
 	os.environ['SAMBA_VALGRIND'] = 'xterm -n server -e ../selftest/valgrind_run A=B '
 
+    # this is needed for systems without rpath, or with rpath disabled
+    os.environ['LD_LIBRARY_PATH'] = 'bin/shared'
+
     st_done = 'st/st_done'
     if os.path.exists(st_done):
         os.unlink(st_done)
-- 
cgit