build: make examples optional

Change-Id: Ia57725bbe0e921c145f153c5395ed60436c8782a
diff --git a/.jenkins.d/10-build.sh b/.jenkins.d/10-build.sh
index 20e6bd1..692ad2f 100755
--- a/.jenkins.d/10-build.sh
+++ b/.jenkins.d/10-build.sh
@@ -27,8 +27,8 @@
     ./waf --color=yes distclean
 fi
 
-# Build in debug mode with tests
-./waf --color=yes configure --debug --with-tests $ASAN $COVERAGE
+# Build in debug mode with tests and examples
+./waf --color=yes configure --debug --with-tests --with-examples $ASAN $COVERAGE
 ./waf --color=yes build -j$WAF_JOBS
 
 # (tests will be run against the debug version)
diff --git a/examples/wscript b/examples/wscript
index 2620281..e6badbf 100644
--- a/examples/wscript
+++ b/examples/wscript
@@ -3,23 +3,21 @@
 top = '..'
 
 def build(bld):
-    # List all .cpp files (whole example should be in one .cpp)
-    for example in bld.path.ant_glob(['*.cpp']):
-        name = example.change_ext('').path_from(bld.path.get_bld())
-        bld(features=['cxx', 'cxxprogram'],
-            target=name,
-            source=[example] + bld.path.ant_glob(['%s/**/*.cpp' % name]),
-            use='NDN_CXX libndn-nac',
-            install_path=None
-            )
+    # List all .cpp files (whole example in one .cpp)
+    for ex in bld.path.ant_glob('*.cpp'):
+        name = ex.change_ext('').path_from(bld.path.get_bld())
+        bld.program(name='example-%s' % name,
+                    target='nac-%s' % name,
+                    source=[ex],
+                    use='libndn-nac',
+                    install_path=None)
 
-    # List all directories files (example can has multiple .cpp in the directory)
-    for name in bld.path.ant_glob(['*'], dir=True, src=False):
+    # List all directories (example can have multiple .cpp in the directory)
+    for subdir in bld.path.ant_glob('*', dir=True, src=False):
         name = subdir.path_from(bld.path)
-        bld(features=['cxx', 'cxxprogram'],
-            target="%s/%s" % (name, name),
-            source=bld.path.ant_glob(['%s/**/*.cpp' % name]),
-            use='NDN_CXX libndn-nac',
-            install_path=None,
-            includes='%s' % name,
-            )
+        bld.program(name='example-%s' % name,
+                    target=name,
+                    source=subdir.ant_glob('**/*.cpp'),
+                    use='libndn-nac',
+                    includes=name,
+                    install_path=None)
diff --git a/tools/wscript b/tools/wscript
index ca28aa5..07de0e9 100644
--- a/tools/wscript
+++ b/tools/wscript
@@ -1,7 +1,5 @@
 # -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
 
-from waflib import Utils
-
 top = '..'
 
 def build(bld):
@@ -47,13 +45,3 @@
                 source=[],
                 export_includes='.',
                 use=testableObjects)
-
-    # Tool wrappers
-    wrapperFiles = bld.path.ant_glob('wrapper/*.sh')
-    bld(name='wrappers',
-        features='subst',
-        source=wrapperFiles,
-        target=['../bin/%s' % node.change_ext('', '.sh').path_from(bld.path.find_dir('wrapper').get_bld())
-                for node in wrapperFiles],
-        install_path='${BINDIR}',
-        chmod=Utils.O755)
diff --git a/wscript b/wscript
index 6e49d2a..b2b21f9 100644
--- a/wscript
+++ b/wscript
@@ -10,11 +10,14 @@
 
 def options(opt):
     opt.load(['compiler_cxx', 'gnu_dirs'])
-    opt.load(['default-compiler-flags', 'coverage', 'sanitizers',
-              'boost', 'doxygen', 'sphinx_build'],
+    opt.load(['default-compiler-flags',
+              'coverage', 'sanitizers', 'boost',
+              'doxygen', 'sphinx_build'],
              tooldir=['.waf-tools'])
 
     optgrp = opt.add_option_group('NDN-NAC Options')
+    optgrp.add_option('--with-examples', action='store_true', default=False,
+                      help='Build examples')
     optgrp.add_option('--with-tests', action='store_true', default=False,
                       help='Build unit tests')
 
@@ -23,7 +26,7 @@
                'default-compiler-flags', 'boost',
                'doxygen', 'sphinx_build'])
 
-    conf.env.WITH_EXAMPLES = True
+    conf.env.WITH_EXAMPLES = conf.options.with_examples
     conf.env.WITH_TESTS = conf.options.with_tests
 
     conf.find_program('dot', var='DOT', mandatory=False)