wafsamba: STANDARD_LIBPATH...

[obnox/samba/samba-obnox.git] / buildtools / wafsamba / samba_conftests.py

diff --git a/buildtools/wafsamba/samba_conftests.py b/buildtools/wafsamba/samba_conftests.py
index 3605e33f08b564b2b6d40cccccdc9ac5e22a5027..4d9762ccda6bc79a8ef559b0adb33dd220050836 100644 (file)
--- a/buildtools/wafsamba/samba_conftests.py
+++ b/buildtools/wafsamba/samba_conftests.py
@@ -4,6 +4,7 @@
 import os, shutil, re
 import Build, Configure, Utils
 from Configure import conf
+import config_c
 from samba_utils import *
 
 
@@ -113,6 +114,14 @@ def CHECK_LARGEFILE(conf, define='HAVE_LARGEFILE'):
                        msg='Checking for -D_FILE_OFFSET_BITS=64'):
         conf.DEFINE('_FILE_OFFSET_BITS', 64)
         return True
+
+    if conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
+                       define,
+                       execute=True,
+                       cflags='-D_LARGE_FILES',
+                       msg='Checking for -D_LARGE_FILES'):
+        conf.DEFINE('_LARGE_FILES', 1)
+        return True
     return False
 
 
@@ -495,3 +504,85 @@ def CHECK_XSLTPROC_MANPAGES(conf):
                              msg='Checking for stylesheet %s' % s,
                              define='XSLTPROC_MANPAGES', on_target=False,
                              boolean=True)
+    if not conf.CONFIG_SET('XSLTPROC_MANPAGES'):
+        print "A local copy of the docbook.xsl wasn't found on your system" \
+              " consider installing package like docbook-xsl"
+
+#
+# Determine the standard libpath for the used compiler,
+# so we can later use that to filter out these standard
+# library paths when some tools like cups-config or
+# python-config report standard lib paths with their
+# ldflags (-L...)
+#
+@conf
+def CHECK_STANDARD_LIBPATH(conf):
+    # at least gcc and clang support this:
+    try:
+        cmd = conf.env.CC + ['-print-search-dirs']
+        out = Utils.cmd_output(cmd).split('\n')
+    except ValueError:
+        # option not supported by compiler - use a standard list of directories
+        dirlist = [ '/usr/lib', '/usr/lib64' ]
+    except:
+        raise Utils.WafError('Unexpected error running "%s"' % (cmd))
+    else:
+        dirlist = []
+        for line in out:
+            line = line.strip()
+            if line.startswith("libraries: ="):
+                dirliststr = line[len("libraries: ="):]
+                dirlist = [ os.path.normpath(x) for x in dirliststr.split(':') ]
+                break
+
+    conf.env.STANDARD_LIBPATH = dirlist
+
+
+waf_config_c_parse_flags = config_c.parse_flags;
+def samba_config_c_parse_flags(line, uselib, env):
+    #
+    # We do a special treatment of the rpath components
+    # in the linkflags line, because currently the upstream
+    # parse_flags function is incomplete with respect to
+    # treatment of the rpath. The remainder of the linkflags
+    # line is later passed to the original funcion.
+    #
+    lst1 = shlex.split(line)
+    lst2 = []
+    while lst1:
+        x = lst1.pop(0)
+
+        #
+        # NOTE on special treatment of -Wl,-R and -Wl,-rpath:
+        #
+        # It is important to not put a library provided RPATH
+        # into the LINKFLAGS but in the RPATH instead, since
+        # the provided LINKFLAGS get prepended to our own internal
+        # RPATH later, and hence can potentially lead to linking
+        # in too old versions of our internal libs.
+        #
+        if x == '-Wl,-rpath' or x == '-Wl,-R':
+            linkflags.remove(x)
+            x = lst1.pop(0)
+            if x.startswith('-Wl,'):
+                rpath = x[4:]
+            else:
+                rpath = x
+        elif x.startswith('-Wl,-R,'):
+            rpath = x[7:]
+        elif x.startswith('-Wl,-R'):
+            rpath = x[6:]
+        elif x.startswith('-Wl,-rpath,'):
+            rpath = x[11:]
+        else:
+            lst2.append(x)
+            continue
+
+        env.append_value('RPATH_' + uselib, rpath)
+
+    line2 = ' '.join(lst2)
+    waf_config_c_parse_flags(line2, uselib, env)
+
+    return
+
+config_c.parse_flags = samba_config_c_parse_flags