This patch changes metabat so that (1) it is not build statically, (2) it uses
shared libraries rather than static libraries where possible.

diff --git a/SConstruct b/SConstruct
index 69cdc0a..ac99bcb 100644
--- a/SConstruct
+++ b/SConstruct
@@ -26,8 +26,6 @@ debug = ARGUMENTS.get('DEBUG', None)
 build_flags = ['-Wall', '-g', '-std=c++11', '-fopenmp']
 link_flags = ['-lstdc++', '-lm', '-fopenmp']
 
-if platform.platform(True, True).find('Darwin') == -1:
-    link_flags.extend(['-static', '-static-libgcc', '-static-libstdc++'])
 
 if debug is None:
     build_flags.extend(['-O3', '-DNDEBUG', '-Wno-unknown-pragmas', '-Wno-deprecated-declarations', '-Wno-overflow', '-Wno-unused-variable'])
@@ -110,17 +108,17 @@ def findStaticOrShared( lib, testPaths, static_source_list, link_flag_list, stat
     for path in testPaths:
         if not os.path.isdir(path):
             continue
+        for testfile in ('%s/lib%s.so' % (path, lib), '%s/lib%s.dylib' % (path, lib)):
+            if os.path.isfile(testfile):
+                print "Found shared library %s as %s" % (lib, testfile)
+                link_flag_list.extend( ["-L%s" % (path), "-l%s" % (lib) ] )
+                return
         for suffix in staticSuffixes:
             testfile = '%s/lib%s%s' % (path, lib, suffix)
             if os.path.isfile(testfile):
                 static_source_list.append(testfile)
                 print "Found static library %s as %s" % (lib, testfile)
                 return
-        for testfile in ('%s/lib%s.so' % (path, lib), '%s/lib%s.dylib' % (path, lib)):
-            if os.path.isfile(testfile):
-                print "Found shared library %s as %s" % (lib, testfile)
-                link_flag_list.extend( ["-L%s" % (path), "-l%s" % (lib) ] )
-                return
     print "Could not find library for %s!!! Looked in %s" % (lib, testPaths)
     return
 
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</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=dc747ccf3a36534678f7d134965754903ab51ac0'>root</a>/<a href='/guix/log/config-daemon.ac?id=dc747ccf3a36534678f7d134965754903ab51ac0'>config-daemon.ac</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/config-daemon.ac?id=dc747ccf3a36534678f7d134965754903ab51ac0&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-11-27 00:03:03 +0100'>2019-11-27</span></td><td><a href='/guix/commit/config-daemon.ac?id=7738a72186583afb3bb2e0a866c8aba130372400'>daemon: GC remove-unused-links phase uses 'statx' when available.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-11-13 23:26:35 +0100'>2019-11-13</span></td><td><a href='/guix/commit/config-daemon.ac?id=298fb2907e3f432cea7dee9f58e89ab8d9dbd56f'>daemon: Don't include &lt;linux/fs.h&gt;.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/config-daemon.ac?id=f6919ebdc6b0ce0286814cc6ab0564b1a4c67f5f'>daemon: Run 'guix substitute' directly and assume a single substituter.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/config-daemon.ac?id=bc69ea2d605810cc32e13ed03d5848b8dc358b61'>daemon: Run 'guix offload' directly.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/config-daemon.ac?id=9fcc35c51fd579b3bb7b4f61cba6973675c3922c'>daemon: Run 'guix perform-download' directly.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/config-daemon.ac?id=0c684b7edfacada4f576855dbb09291f04a84fa2'>daemon: Run 'guix authenticate' directly.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/config-daemon.ac?id=2e3e5d21988fc2cafb2a9eaf4b00976ea425629d'>daemon: Invoke 'guix gc --list-busy' instead of 'list-runtime-roots'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-05-01 11:05:47 +0200'>2019-05-01</span></td><td><a href='/guix/commit/config-daemon.ac?id=757e633d57a7b994759d69e41dd759a39f1a34ae'>build: Change default substitute server to "ci.guix.gnu.org".</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-12-04 10:57:56 +0100'>2018-12-04</span></td><td><a href='/guix/commit/config-daemon.ac?id=0a5fa004f7f21dc3e01747b8e94fbb21e056e4ca'>build: Default to https://ci.guix.info for substitutes.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-11-14 21:34:08 +0100'>2018-11-14</span></td><td><a href='/guix/commit/config-daemon.ac?id=0fe1fba4af41f267c4bb2c006fb37f42422ab703'>daemon: Install 'authenticate' script under LIBEXECDIR/guix.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>