using pkg-config to query information about nanomsg

gistfile1.diff

diff --git a/wscript b/wscript
index fe8cfb7..3b403a1 100755
--- a/wscript
+++ b/wscript
@@ -43,7 +43,7 @@ DEFAULT_CONF = {
 def build_nanomsgext(waf):
     conf = copy(DEFAULT_CONF)
     conf.update({
-        'lib'   : ['nanomsg'],
+        'use'   : ['NANOMSG'],
         'source': c_files(waf),
         'target': 'nanomsgext',
     })
@@ -58,7 +58,8 @@ def build_nanomsgext(waf):
 def build_nanomsgxx(waf):
     conf = copy(DEFAULT_CONF)
     conf.update({
-        'lib'      : ['nanomsg', 'nanomsgext'],
+        'lib'      : ['nanomsgext'],
+        'use'      : ['NANOMSG'],
         'linkflags': ['-L.'],
         'source'   : cpp_files(waf),
         'target'   : 'nanomsgxx',
@@ -81,7 +82,8 @@ def build_tests(waf):
     conf = copy(DEFAULT_CONF)
     conf.update({
         'features' : ['cxx', 'cxxprogram', 'test'],
-        'lib'      : ['nanomsg', 'nanomsgxx', 'nanomsgext'],
+        'lib'      : ['nanomsgxx', 'nanomsgext'],
+        'use'      : ['NANOMSG'],
         'linkflags': ['-L.'],
         'install_path': None,
     })
@@ -119,9 +121,10 @@ def build(waf):
 
 def configure(waf):
     waf.load('compiler_c compiler_cxx waf_unit_test')
-    waf.check_cxx(
-        lib = 'nanomsg'
-    )
+    waf.check_cfg(package='libnanomsg',
+                  uselib_store='NANOMSG',
+                  args=['--cflags', '--libs'],
+                  msg="Checking for nanomsg")
 
 def dist(waf):
     waf.algo  = 'tar.gz'