start net offlinejoin composeodj
[gd/samba/.git] / wscript
diff --git a/wscript b/wscript
index 334b2988234d67759ce9c915be482d4c114775ad..d8220b350959f8e47c3ce72f66f3e3cd1399c71a 100644 (file)
--- a/wscript
+++ b/wscript
@@ -11,6 +11,7 @@ sys.path.insert(0, top+"/buildtools/wafsamba")
 import shutil
 import wafsamba, samba_dist, samba_git, samba_version, samba_utils
 from waflib import Options, Scripting, Logs, Context, Errors
+from waflib.Tools import bison
 
 samba_dist.DIST_DIRS('.')
 samba_dist.DIST_BLACKLIST('.gitignore .bzrignore source4/selftest/provisions')
@@ -99,14 +100,6 @@ def options(opt):
                    help='disable AD DC functionality (enables only Samba FS (File Server, Winbind, NMBD) and client utilities.',
                    action='store_true', dest='without_ad_dc', default=False)
 
-    opt.add_option('--with-ntvfs-fileserver',
-                   help='enable the deprecated NTVFS file server from the original Samba4 branch (default if --enable-selftest specified).  Conflicts with --with-system-mitkrb5 and --without-ad-dc',
-                   action='store_true', dest='with_ntvfs_fileserver')
-
-    opt.add_option('--without-ntvfs-fileserver',
-                   help='disable the deprecated NTVFS file server from the original Samba4 branch',
-                   action='store_false', dest='with_ntvfs_fileserver')
-
     opt.add_option('--with-pie',
                   help=("Build Position Independent Executables " +
                         "(default if supported by compiler)"),
@@ -148,11 +141,21 @@ def configure(conf):
         conf.env.DEVELOPER = True
         # if we are in a git tree without a pre-commit hook, install a
         # simple default.
-        pre_commit_hook = os.path.join(Context.g_module.top, '.git/hooks/pre-commit')
-        if (os.path.isdir(os.path.dirname(pre_commit_hook)) and
-            not os.path.exists(pre_commit_hook)):
-            shutil.copy(os.path.join(Context.g_module.top, 'script/git-hooks/pre-commit-hook'),
-                        pre_commit_hook)
+        # we need git for 'waf dist'
+        githooksdir = None
+        conf.find_program('git', var='GIT')
+        if 'GIT' in conf.env:
+            githooksdir = conf.CHECK_COMMAND('%s rev-parse --git-path hooks' % conf.env.GIT[0],
+                               msg='Finding githooks directory',
+                               define=None,
+                               on_target=False)
+        if githooksdir and os.path.isdir(githooksdir):
+            pre_commit_hook = os.path.join(githooksdir, 'pre-commit')
+            if not os.path.exists(pre_commit_hook):
+                Logs.info("Installing script/git-hooks/pre-commit-hook as %s" %
+                          pre_commit_hook)
+                shutil.copy(os.path.join(Context.g_module.top, 'script/git-hooks/pre-commit-hook'),
+                            pre_commit_hook)
 
     conf.ADD_EXTRA_INCLUDES('#include/public #source4 #lib #source4/lib #source4/include #include #lib/replace')
 
@@ -240,6 +243,30 @@ def configure(conf):
     if not (Options.options.without_ad_dc):
         conf.DEFINE('AD_DC_BUILD_IS_ENABLED', 1)
 
+    # Check for flex before doing the embedded heimdal checks so we can bail if we don't have it.
+    Logs.info("Checking for flex")
+    conf.find_program('flex', var='FLEX')
+    if conf.env['FLEX']:
+        conf.CHECK_COMMAND('%s --version' % conf.env.FLEX[0],
+                           msg='Using flex version',
+                           define=None,
+                           on_target=False)
+    conf.env.FLEXFLAGS = ['-t']
+
+    # #line statements in these generated files cause issues for lcov
+    conf.env.FLEXFLAGS += ["--noline"]
+
+    Logs.info("Checking for bison")
+    bison.configure(conf)
+    if conf.env['BISON']:
+        conf.CHECK_COMMAND('%s --version  | head -n1' % conf.env.BISON[0],
+                           msg='Using bison version',
+                           define=None,
+                           on_target=False)
+
+    # #line statements in these generated files cause issues for lcov
+    conf.env.BISONFLAGS += ["--no-line"]
+
     if Options.options.with_system_mitkrb5:
         if not Options.options.with_experimental_mit_ad_dc and \
            not Options.options.without_ad_dc:
@@ -282,19 +309,10 @@ def configure(conf):
     conf.RECURSE('lib/crypto')
     conf.RECURSE('pidl')
     if conf.CONFIG_GET('ENABLE_SELFTEST'):
-        if Options.options.with_ntvfs_fileserver != False:
-            if not (Options.options.without_ad_dc):
-                conf.DEFINE('WITH_NTVFS_FILESERVER', 1)
-        if Options.options.with_ntvfs_fileserver == False:
-            if not (Options.options.without_ad_dc):
-                raise Errors.WafError('--without-ntvfs-fileserver conflicts with --enable-selftest while building the AD DC')
+        if not (Options.options.without_ad_dc):
+            conf.DEFINE('WITH_NTVFS_FILESERVER', 1)
         conf.RECURSE('testsuite/unittests')
 
-    if Options.options.with_ntvfs_fileserver == True:
-        if Options.options.without_ad_dc:
-            raise Errors.WafError('--with-ntvfs-fileserver conflicts with --without-ad-dc')
-        conf.DEFINE('WITH_NTVFS_FILESERVER', 1)
-
     if Options.options.with_pthreadpool:
         if conf.CONFIG_SET('HAVE_PTHREAD'):
             conf.DEFINE('WITH_PTHREADPOOL', '1')
@@ -340,7 +358,8 @@ def configure(conf):
     # allows us to find problems on our development hosts faster.
     # It also results in faster load time.
 
-    conf.add_as_needed()
+    if conf.CHECK_LDFLAGS('-Wl,--as-needed'):
+        conf.env.append_unique('LINKFLAGS', '-Wl,--as-needed')
 
     if not conf.CHECK_NEED_LC("-lc not needed"):
         conf.ADD_LDFLAGS('-lc', testflags=False)
@@ -371,8 +390,33 @@ def configure(conf):
                          msg="Checking compiler for full RELRO support"):
             conf.env['ENABLE_RELRO'] = True
 
-    # #line statements in these generated files cause issues for lcov
-    conf.env.FLEXFLAGS += ["--noline"]
+    #
+    # FreeBSD is broken. It doesn't include 'extern char **environ'
+    # in any shared library, but statically inside crt0.o.
+    #
+    # If we're running on a FreeBSD with the GNU linker ld we
+    # can get around this by explicitly telling the linker to
+    # ignore 'environ' as an unresolved symbol in a shared library.
+    #
+    # However, the clang linker ld.lld-XX is broken in that it
+    # doesn't have that option.
+    #
+    # First try to see if have '-Wl,--ignore-unresolved-symbol,environ'
+    # and just use that if so.
+    #
+    # If not, we have to use '-Wl,--allow-shlib-undefined' instead
+    # and remove all instances of '-Wl,-no-undefined'.
+
+    if sys.platform.startswith('freebsd'):
+        # Do we have Wl,--ignore-unresolved-symbol,environ ?
+        flag_added = conf.ADD_LDFLAGS('-Wl,--ignore-unresolved-symbol,environ', testflags=True)
+        if not flag_added:
+            # No, fall back to -Wl,--allow-shlib-undefined.
+            conf.ADD_LDFLAGS('-Wl,--allow-shlib-undefined', testflags=True)
+            # Remove any uses of '-Wl,-no-undefined'
+            conf.env['EXTRA_LDFLAGS'] = list(filter(('-Wl,-no-undefined').__ne__, conf.env['EXTRA_LDFLAGS']))
+            # And make sure we don't try and remove it again when 'allow_undefined_symbols=true'
+            conf.env.undefined_ldflags = []
 
     conf.SAMBA_CONFIG_H('include/config.h')