diff --git a/net/ndnping/Portfile b/net/ndnping/Portfile
index f6a13d2..6386417 100644
--- a/net/ndnping/Portfile
+++ b/net/ndnping/Portfile
@@ -13,7 +13,7 @@
 version             0.1.4
 license             GPL3+
 epoch               1
-revision            1
+revision            2
 
 categories          net
 platforms           darwin
@@ -30,6 +30,7 @@
 use_configure       yes
 
 configure.cxxflags-append -std=c++11
+configure.env-append PKG_CONFIG_PATH=${prefix}/lib/pkgconfig
 configure.cmd       ./waf configure
 
 build.cmd           ./waf
diff --git a/net/nfd/Portfile b/net/nfd/Portfile
index 18fe5f0..81390ec 100644
--- a/net/nfd/Portfile
+++ b/net/nfd/Portfile
@@ -13,6 +13,7 @@
 license             GPL3+
 version             0.3.0
 epoch               3
+revision            1
 
 categories          net
 platforms           darwin
@@ -47,6 +48,7 @@
 }
 
 configure.env-append    SPHINX_BUILD=${prefix}/bin/sphinx-build-2.7
+configure.env-append PKG_CONFIG_PATH=${prefix}/lib/pkgconfig
 configure.cxxflags-append -std=c++11
 configure.cmd           ./waf configure
 
diff --git a/net/repo-ng/Portfile b/net/repo-ng/Portfile
index 84c5df4..0cae2de 100644
--- a/net/repo-ng/Portfile
+++ b/net/repo-ng/Portfile
@@ -12,6 +12,7 @@
 homepage            https://github.com/named-data/repo-ng
 license             GPL-3+
 version             0.0.6
+revision            1
 
 categories          net
 platforms           darwin
@@ -31,6 +32,7 @@
 use_configure       yes
 
 configure.cxxflags-append -std=c++11
+configure.env-append PKG_CONFIG_PATH=${prefix}/lib/pkgconfig
 configure.cmd       ./waf configure
 
 build.cmd           ./waf