Add integer and bit math utilities

1 files changed, 12 insertions, 0 deletions

diff --git a/wscript b/wscript
index 9a81651a..933dc467 100644
--- a/wscript
+++ b/wscript
@@ -125,6 +125,15 @@ def configure(conf):
                                 defines     = ['_POSIX_C_SOURCE=200809L'],
                                 mandatory   = False)
 
+    conf.check_cc(msg         = 'Checking for __builtin_clz',
+                  define_name = 'HAVE_BUILTIN_CLZ',
+                  fragment    = 'int main(void) {return __builtin_clz(0);}',
+                  mandatory   = False)
+    conf.check_cc(msg         = 'Checking for __builtin_clzll',
+                  define_name = 'HAVE_BUILTIN_CLZLL',
+                  fragment    = 'int main(void) {return __builtin_clzll(0);}',
+                  mandatory   = False)
+
     if not Options.options.no_pcre:
         autowaf.check_pkg(conf, 'libpcre',
                           uselib_store='PCRE',
@@ -161,6 +170,7 @@ lib_source = ['src/base64.c',
               'src/cursor.c',
               'src/env.c',
               'src/inserter.c',
+              'src/int_math.c',
               'src/iter.c',
               'src/model.c',
               'src/n3.c',
@@ -247,6 +257,7 @@ def build(bld):
                      ('cursor_test', 'tests/cursor_test.c'),
                      ('env_test', 'tests/env_test.c'),
                      ('free_null_test', 'tests/free_null_test.c'),
+                     ('int_math_test', 'tests/int_math_test.c'),
                      ('model_test', 'tests/model_test.c'),
                      ('nodes_test', 'tests/nodes_test.c'),
                      ('overflow_test', 'tests/overflow_test.c'),
@@ -676,6 +687,7 @@ def test(tst):
         check(['./cursor_test'])
         check(['./env_test'])
         check(['./free_null_test'])
+        check(['./int_math_test'])
         check(['./model_test'])
         check(['./nodes_test'])
         check(['./overflow_test'])