diff -r 9c7b55faea5d SConstruct
--- a/SConstruct	Tue Apr 05 08:08:12 2016 -0500
+++ b/SConstruct	Wed Apr 13 14:16:16 2016 +0000
@@ -635,6 +635,9 @@
                          '-Wno-sign-compare', '-Wno-unused-parameter'])
     # We always compile using C++11
     main.Append(CXXFLAGS=['-std=c++11'])
+    if sys.platform.startswith('freebsd'):
+        main.Append(CCFLAGS=['-I/usr/local/include'])
+        main.Append(CXXFLAGS=['-I/usr/local/include'])
 else:
     print termcap.Yellow + termcap.Bold + 'Error' + termcap.Normal,
     print "Don't know what compiler options to use for your compiler."
@@ -749,6 +752,10 @@
         main.Append(CXXFLAGS=['-stdlib=libc++'])
         main.Append(LIBS=['c++'])
 
+    # On FreeBSD we need libthr.
+    if sys.platform.startswith('freebsd'):
+        main.Append(LIBS=['thr'])
+
 else:
     print termcap.Yellow + termcap.Bold + 'Error' + termcap.Normal,
     print "Don't know what compiler options to use for your compiler."
@@ -862,8 +869,12 @@
 # Check for 'timeout' from GNU coreutils. If present, regressions will
 # be run with a time limit. We require version 8.13 since we rely on
 # support for the '--foreground' option.
-timeout_lines = readCommand(['timeout', '--version'],
-                            exception='').splitlines()
+if sys.platform.startswith('freebsd'):
+    timeout_lines = readCommand(['gtimeout', '--version'],
+                                exception='').splitlines()
+else:
+    timeout_lines = readCommand(['timeout', '--version'],
+                                exception='').splitlines()
 # Get the first line and tokenize it
 timeout_version = timeout_lines[0].split() if timeout_lines else []
 main['TIMEOUT'] =  timeout_version and \
diff -r 9c7b55faea5d tests/SConscript
--- a/tests/SConscript	Tue Apr 05 08:08:12 2016 -0500
+++ b/tests/SConscript	Wed Apr 13 14:16:16 2016 +0000
@@ -107,7 +107,10 @@
     # The slowest regression (bzip2) requires ~4 hours;
     # 5 hours was chosen to be conservative.
     elif env['TIMEOUT']:
-        cmd = 'timeout --foreground 5h %s' % cmd
+        if sys.platform.startswith('freebsd'):
+            cmd = 'gtimeout --foreground 5h %s' % cmd
+        else:
+            cmd = 'timeout --foreground 5h %s' % cmd
 
     # Create a default value for the status string, changed as needed
     # based on the status.