Add REQUIRED field to .info files.

Signed-off-by: Erik Hanson <erik@slackbuilds.org>

114 files changed, 114 insertions, 0 deletions

diff --git a/academic/EMBASSY/EMBASSY.info b/academic/EMBASSY/EMBASSY.info
index e82a33e6dee40..6e98694b252f1 100644
--- a/academic/EMBASSY/EMBASSY.info
+++ b/academic/EMBASSY/EMBASSY.info
@@ -39,5 +39,6 @@ MD5SUM="2fe662f0af318cb8875bec734456286d \
 	cc67545f95f15224926113a2bd3c38ad"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="EMBOSS"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/EMBOSS/EMBOSS.info b/academic/EMBOSS/EMBOSS.info
index 10da6df303fa5..b997ec20ce52c 100644
--- a/academic/EMBOSS/EMBOSS.info
+++ b/academic/EMBOSS/EMBOSS.info
@@ -5,5 +5,6 @@ DOWNLOAD="ftp://emboss.open-bio.org/pub/EMBOSS/EMBOSS-6.4.0.tar.gz"
 MD5SUM="54993a22064222b01bd4fc8086f7684d"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="clustalw primer3"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/GMT/GMT.info b/academic/GMT/GMT.info
index a694670d344b6..6462979e7753f 100644
--- a/academic/GMT/GMT.info
+++ b/academic/GMT/GMT.info
@@ -7,5 +7,6 @@ MD5SUM="fc8a4a546ff8572c225aa7bdb56bbdf8 \
           db98bff37adc0d51fdf0ffa3834d45ad"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="netcdf"
 MAINTAINER="Pierre Cazenave"
 EMAIL="pwcazenave <at> gmail {dot} com"
diff --git a/academic/Gblocks/Gblocks.info b/academic/Gblocks/Gblocks.info
index 070ff21cc16ec..f1eb256a8c714 100644
--- a/academic/Gblocks/Gblocks.info
+++ b/academic/Gblocks/Gblocks.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://molevol.cmima.csic.es/castresana/Gblocks/Gblocks_Linux_0.91b.ta
 MD5SUM="8b62e8447eaea37a86c35e1bf5996580"
 DOWNLOAD_x86_64="http://molevol.cmima.csic.es/castresana/Gblocks/Gblocks_Linux64_0.91b.tar.Z"
 MD5SUM_x86_64="c2c752ae4cbfda0b8bf09e6662585252"
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/ImageJ/ImageJ.info b/academic/ImageJ/ImageJ.info
index b7d1c4f61e91e..f56199f2c431c 100644
--- a/academic/ImageJ/ImageJ.info
+++ b/academic/ImageJ/ImageJ.info
@@ -9,5 +9,6 @@ MD5SUM="c0e0202c4a358e886ce1582dd2c9b830 \
         277dec926cc27ade8ef01b8ae4bb69cb"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/PhyML/PhyML.info b/academic/PhyML/PhyML.info
index 6701944cb4e0b..88c0d4ebb155d 100644
--- a/academic/PhyML/PhyML.info
+++ b/academic/PhyML/PhyML.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://phyml.googlecode.com/files/phyml-20120412.tar.gz"
 MD5SUM="d2207a3d6caf633c43239a01ce70f244"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/QtiPlot/QtiPlot.info b/academic/QtiPlot/QtiPlot.info
index b231346353558..41851befafdc3 100644
--- a/academic/QtiPlot/QtiPlot.info
+++ b/academic/QtiPlot/QtiPlot.info
@@ -7,5 +7,6 @@ MD5SUM="652096a365851da3b5f6fefdcbe2aaec \
 	d1b234623770ec6209b14d1b5137f2f1"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="alglib gsl muParser qt-assistant-compat qwt tamu_anova"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/R/R.info b/academic/R/R.info
index 37f7c2b1c3671..a337e464d6bc1 100644
--- a/academic/R/R.info
+++ b/academic/R/R.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://cran.stat.ucla.edu/src/base/R-2/R-2.15.0.tar.gz"
 MD5SUM="905f638990492618559202cc1e48a867"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="blas"
 MAINTAINER="melikamp"
 EMAIL="melikamp@melikamp.net"
diff --git a/academic/WordNet/WordNet.info b/academic/WordNet/WordNet.info
index e718a114e14fd..65108d4b6b182 100644
--- a/academic/WordNet/WordNet.info
+++ b/academic/WordNet/WordNet.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://wordnetcode.princeton.edu/3.0/WordNet-3.0.tar.bz2"
 MD5SUM="89b4db7c6840ce69a8e315a3f83d996b"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Michael Gabilondo"
 EMAIL="mgabilo{at}gmail{dot}com"
diff --git a/academic/abntex/abntex.info b/academic/abntex/abntex.info
index a2adc6a512d77..f20e9a8bc78b3 100644
--- a/academic/abntex/abntex.info
+++ b/academic/abntex/abntex.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/abntex/abntex-0.9-beta2.tar.gz"
 MD5SUM="4c5bc2d5388ddf03df754072116ab1f8"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Andre Barboza"
 EMAIL="bmg.andre@gmail.com"
diff --git a/academic/amplicon/amplicon.info b/academic/amplicon/amplicon.info
index 0768aa846f06e..a9e2b101938f5 100644
--- a/academic/amplicon/amplicon.info
+++ b/academic/amplicon/amplicon.info
@@ -7,5 +7,6 @@ MD5SUM="43e6bedbe16b7f423a88286910f8749a \
         87d6f55a9adbbd85b50f8fd94fd3988b"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/antiprism/antiprism.info b/academic/antiprism/antiprism.info
index a53ce6f72a81b..992d7e50c0dbb 100644
--- a/academic/antiprism/antiprism.info
+++ b/academic/antiprism/antiprism.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/antiprism/antiprism-0.19.2.tar.gz"
 MD5SUM="224958ad1a58a4a5dff9d9475a072736"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Jorge Barros de Abreu"
 EMAIL="ficmatin10@gmail.com"
diff --git a/academic/arka/arka.info b/academic/arka/arka.info
index 90367886c1a15..75d37bbfaecce 100644
--- a/academic/arka/arka.info
+++ b/academic/arka/arka.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.bioinformatics.org/genpak/download/arka-0.11.tgz"
 MD5SUM="7cedbe3aeb7e71700beb6d4180f60f7c"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="genpak"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/arpack/arpack.info b/academic/arpack/arpack.info
index d5f1bb8f2fb09..854da8115f4ec 100644
--- a/academic/arpack/arpack.info
+++ b/academic/arpack/arpack.info
@@ -7,5 +7,6 @@ MD5SUM="fffaa970198b285676f4156cebc8626e \
         14830d758f195f272b8594a493501fa2"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="blas lapack"
 MAINTAINER="Pablo Santamaria"
 EMAIL="pablosantamaria@gmail.com"
diff --git a/academic/artha/artha.info b/academic/artha/artha.info
index 55ffc0248308a..fedbb2dea2cd7 100644
--- a/academic/artha/artha.info
+++ b/academic/artha/artha.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/artha/artha-1.0.2.tar.bz2"
 MD5SUM="8391fc152531d98bc7db6a7695611137"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="WordNet"
 MAINTAINER="Mikhail Zotov"
 EMAIL="mikhail dot ru at gmail dot com"
diff --git a/academic/avogadro/avogadro.info b/academic/avogadro/avogadro.info
index f190232530018..efe59d355d7a9 100644
--- a/academic/avogadro/avogadro.info
+++ b/academic/avogadro/avogadro.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/avogadro/avogadro-1.0.3.tar.bz2"
 MD5SUM="92c2702c1980f70fb6d87a1a58147911"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="numpy openbabel"
 MAINTAINER="Larry Hajali"
 EMAIL="larryhaja[at]gmail[dot]com"
diff --git a/academic/bibletime/bibletime.info b/academic/bibletime/bibletime.info
index 047998801a654..aeafe96a80d17 100644
--- a/academic/bibletime/bibletime.info
+++ b/academic/bibletime/bibletime.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/bibletime/bibletime-2.8.2.tar.bz2"
 MD5SUM="2e17bf35f1e79b5fcd193d9e620d4961"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="sword"
 MAINTAINER="Robert Delahunt"
 EMAIL="delahunt@puresimplicity.net"
diff --git a/academic/bibus/bibus.info b/academic/bibus/bibus.info
index 3484343202408..b1edfd8d77884 100644
--- a/academic/bibus/bibus.info
+++ b/academic/bibus/bibus.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/bibus-biblio/bibus-1.5.1.tar.gz"
 MD5SUM="9d1808f98556b58b3f709bebfba11a80"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="wxPython"
 MAINTAINER="David Miller"
 EMAIL="dave@frop.net"
diff --git a/academic/calc/calc.info b/academic/calc/calc.info
index 7031bb3d6edf8..a43827ee5d9ce 100644
--- a/academic/calc/calc.info
+++ b/academic/calc/calc.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/calc/calc-2.12.4.3.tar.bz2"
 MD5SUM="d95dccde71cc8d920af0f8375e85e9c8"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Grigorios Bouzakis"
 EMAIL="grbzks@xsmail.com"
diff --git a/academic/calcoo/calcoo.info b/academic/calcoo/calcoo.info
index b7d73b11ec657..853ed31f1636c 100644
--- a/academic/calcoo/calcoo.info
+++ b/academic/calcoo/calcoo.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/calcoo/calcoo-1.3.16.tar.gz"
 MD5SUM="7e8eccf8bdf78c99d38825a540b8dead"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Robby Workman"
 EMAIL="rw@rlworkman.net"
diff --git a/academic/cblas/cblas.info b/academic/cblas/cblas.info
index aec6ed2155cd1..8123804ce11c9 100644
--- a/academic/cblas/cblas.info
+++ b/academic/cblas/cblas.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://netlib.org/blas/blast-forum/cblas.tgz"
 MD5SUM="1e8830f622d2112239a4a8a83b84209a"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Eugene Suter"
 EMAIL="easuter@gmail.com"
diff --git a/academic/celestia/celestia.info b/academic/celestia/celestia.info
index 7777acaa4a57d..b1dcef0319538 100644
--- a/academic/celestia/celestia.info
+++ b/academic/celestia/celestia.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/celestia/celestia-1.6.1.tar.gz"
 MD5SUM="02208982a431b984502fac909bf380f4"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="gtkglext lua"
 MAINTAINER="Heinz Wiesinger"
 EMAIL="pprkut@liwjatan.at"
diff --git a/academic/chemtool/chemtool.info b/academic/chemtool/chemtool.info
index 69b426e17dad2..072317db62432 100644
--- a/academic/chemtool/chemtool.info
+++ b/academic/chemtool/chemtool.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://ruby.chemie.uni-freiburg.de/~martin/chemtool/chemtool-1.6.9.tar
 MD5SUM="d13b16c019a9912cf0c3de07ca5bcd29"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="openbabel"
 MAINTAINER="Robby Workman"
 EMAIL="rw@rlworkman.net"
diff --git a/academic/clustalo/clustalo.info b/academic/clustalo/clustalo.info
index 16b239ab8e7ee..7f4e75baf5939 100644
--- a/academic/clustalo/clustalo.info
+++ b/academic/clustalo/clustalo.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.clustal.org/omega/clustal-omega-1.1.0.tar.gz"
 MD5SUM="187f0204ed1aa27155e4a67cc3f48912"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="argtable"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/clustalw/clustalw.info b/academic/clustalw/clustalw.info
index ea36b3d5735dd..92e755b6a2389 100644
--- a/academic/clustalw/clustalw.info
+++ b/academic/clustalw/clustalw.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.clustal.org/download/current/clustalw-2.1.tar.gz"
 MD5SUM="144df8440a0ae083d5167616c8ceeb41"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/clustalx/clustalx.info b/academic/clustalx/clustalx.info
index c66b77c0263cc..3a958abfde4ff 100644
--- a/academic/clustalx/clustalx.info
+++ b/academic/clustalx/clustalx.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.clustal.org/download/current/clustalx-2.1.tar.gz"
 MD5SUM="5b1f2f1cc8e939411ab0f934cafa072a"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/copasi/copasi.info b/academic/copasi/copasi.info
index 81a21fd889246..04af803cd4bff 100644
--- a/academic/copasi/copasi.info
+++ b/academic/copasi/copasi.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.comp-sys-bio.org/mirror.copasi.org/Copasi-35-Linux-Dynamic.
 MD5SUM="77446a83c0ce08fb62f0f735857bdd82"
 DOWNLOAD_x86_64="http://www.comp-sys-bio.org/mirror.copasi.org/Copasi-35-Linux64-Dynamic.tar.gz"
 MD5SUM_x86_64="671adba5851f76851499ba7ddb2253b5"
+REQUIRES=""
 MAINTAINER="Pedro Mendes"
 EMAIL="pedro@gepasi.org"
diff --git a/academic/coq/coq.info b/academic/coq/coq.info
index c33d173f1eea5..f806bd254ce65 100644
--- a/academic/coq/coq.info
+++ b/academic/coq/coq.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://coq.inria.fr/distrib/V8.3pl2/files/coq-8.3pl2.tar.gz"
 MD5SUM="db415f6c5372f5a443699c62f5affcb4"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="camlp5 ocaml"
 MAINTAINER="William Bowman"
 EMAIL="wilbowma@indiana.edu"
diff --git a/academic/engauge/engauge.info b/academic/engauge/engauge.info
index 9c7addb823922..dbb17b731bbd2 100644
--- a/academic/engauge/engauge.info
+++ b/academic/engauge/engauge.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://sourceforge.net/projects/digitizer/files/Engauge%20Digitizer/di
 MD5SUM="b76b5d6c6b47ad57e789fd3ffbbb543f"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="qt3"
 MAINTAINER="Pedro Mendes"
 EMAIL="pedro@gepasi.org"
diff --git a/academic/ent/ent.info b/academic/ent/ent.info
index 3760d34719dd4..6e12c713a01d7 100644
--- a/academic/ent/ent.info
+++ b/academic/ent/ent.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.fourmilab.ch/random/random.zip"
 MD5SUM="8104a83af1ea5b280da96c92da18eae4"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="B. Watson"
 EMAIL="yalhcru@gmail.com"
diff --git a/academic/ess/ess.info b/academic/ess/ess.info
index 14b0e6cc0911a..3c8fc0813c94a 100644
--- a/academic/ess/ess.info
+++ b/academic/ess/ess.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://ess.r-project.org/downloads/ess/ess-5.14.tgz"
 MD5SUM="7334f0bb92ea19088722cf59984c5c8c"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Nicky Chorley"
 EMAIL="nick.chorley@gmail.com"
diff --git a/academic/extrema/extrema.info b/academic/extrema/extrema.info
index 9d2fdddae76ec..c50f2a1f1da36 100644
--- a/academic/extrema/extrema.info
+++ b/academic/extrema/extrema.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/extrema/extrema-4.4.5.tar.gz"
 MD5SUM="8a1e82b34874db2bfa64d9a2956677b1"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="wxGTK"
 MAINTAINER="Binh Nguyen"
 EMAIL="binhnguyen@fastmail.fm"
diff --git a/academic/fann/fann.info b/academic/fann/fann.info
index 0e03c925dbd0e..7cdbf4ad487ff 100644
--- a/academic/fann/fann.info
+++ b/academic/fann/fann.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://prdownloads.sourceforge.net/fann/fann-2.1.0beta.zip"
 MD5SUM="9c53d96ce415c927cb97b8f9de2ea881"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Andrew Conway"
 EMAIL="ajc@countingthoughts.com"
diff --git a/academic/flann/flann.info b/academic/flann/flann.info
index ed32174379b85..f3a49a0157f0c 100644
--- a/academic/flann/flann.info
+++ b/academic/flann/flann.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.cs.ubc.ca/~mariusm/uploads/FLANN/flann-1.2-src.zip"
 MD5SUM="29ab1f3926d8cf95c37f30c56055c23e"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="João Felipe Santos"
 EMAIL="joao.eel@gmail.com"
diff --git a/academic/flashqard/flashqard.info b/academic/flashqard/flashqard.info
index a7c586d773fe4..85b44828be794 100644
--- a/academic/flashqard/flashqard.info
+++ b/academic/flashqard/flashqard.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/flashqard/flashqard-0.15.0.tar.gz"
 MD5SUM="aa2c58d3b18f0ce8d2a31ece9d299647"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="ariarat"
 EMAIL="ariarat@gmail.com"
diff --git a/academic/free42/free42.info b/academic/free42/free42.info
index 1ad70bdc2789a..98f4b054ffe18 100644
--- a/academic/free42/free42.info
+++ b/academic/free42/free42.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://thomasokken.com/free42/download/free42.tgz"
 MD5SUM="4f103e1243924cc47eed40d8df003bf7"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Richard Scott Smith"
 EMAIL="pilbender@gmail.com"
diff --git a/academic/g3data/g3data.info b/academic/g3data/g3data.info
index 58ed64bc05777..c37384da29ef6 100644
--- a/academic/g3data/g3data.info
+++ b/academic/g3data/g3data.info
@@ -5,5 +5,6 @@ DOWNLOAD="https://github.com/downloads/pn2200/g3data/g3data-1.5.4.tar.gz"
 MD5SUM="acb41e54ee5fbf167413218f209c4e3f"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Pablo Santamaria"
 EMAIL="pablosantamaria@gmail.com"
diff --git a/academic/galculator/galculator.info b/academic/galculator/galculator.info
index 8cd28ee63d15c..96a2b93082a41 100644
--- a/academic/galculator/galculator.info
+++ b/academic/galculator/galculator.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/galculator/galculator-1.3.4.tar.bz2"
 MD5SUM="d30e6fbf5947bb1c873bc9d5a21046f1"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Frank Caraballo"
 EMAIL="fecaraballo{at}gmail{dot}com"
diff --git a/academic/gcalctool/gcalctool.info b/academic/gcalctool/gcalctool.info
index b6c47832f81f6..327cbdb20d986 100644
--- a/academic/gcalctool/gcalctool.info
+++ b/academic/gcalctool/gcalctool.info
@@ -5,5 +5,6 @@ DOWNLOAD="ftp://ftp.gnome.org/pub/gnome/sources/gcalctool/5.32/gcalctool-5.32.2.
 MD5SUM="3f56976752dc990b4fb9e5d60e9a04eb"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="byteframe"
 EMAIL="byteframe@gmail.com"
diff --git a/academic/gchemutils/gchemutils.info b/academic/gchemutils/gchemutils.info
index aa29cf1e92b58..54a35638e572a 100644
--- a/academic/gchemutils/gchemutils.info
+++ b/academic/gchemutils/gchemutils.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://download.savannah.gnu.org/releases/gchemutils/0.12/gnome-chemis
 MD5SUM="8695127b480f5779348ceccfdbb05e77"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="bodr chemical-mime-data crystal gnumeric goffice gtkglext openbabel"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/gcompris/gcompris.info b/academic/gcompris/gcompris.info
index 1111e96704904..5f79c44c845fa 100644
--- a/academic/gcompris/gcompris.info
+++ b/academic/gcompris/gcompris.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/gcompris/gcompris-8.4.12.tar.gz"
 MD5SUM="8a1519e71caa0924d5df73faa311eea3"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="gnet"
 MAINTAINER="Paul Liconti"
 EMAIL="mr.liconti at gmail.com" 
diff --git a/academic/geda-gaf/geda-gaf.info b/academic/geda-gaf/geda-gaf.info
index d58d820a33259..c67528d486a14 100644
--- a/academic/geda-gaf/geda-gaf.info
+++ b/academic/geda-gaf/geda-gaf.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://geda.seul.org/release/v1.6/1.6.0/geda-gaf-1.6.0.tar.gz"
 MD5SUM="1dacc71407e69d77eaf4c1115f5bcd56"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Stephen Van Berg"
 EMAIL="stephen_van_berg@earlicker.com"
diff --git a/academic/gelemental/gelemental.info b/academic/gelemental/gelemental.info
index afa55f63ba0a3..e8685ff2a332b 100644
--- a/academic/gelemental/gelemental.info
+++ b/academic/gelemental/gelemental.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://ftp.debian.org/debian/pool/main/g/gelemental/gelemental_1.2.0.o
 MD5SUM="94cc73c76a02f75598f579ff57696805"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="glibmm gtkmm"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/genius/genius.info b/academic/genius/genius.info
index e753cc6796a76..a7f13b07db5d9 100644
--- a/academic/genius/genius.info
+++ b/academic/genius/genius.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://ftp.5z.com/pub/genius/genius-1.0.12.tar.xz"
 MD5SUM="09bbf44917e5e5b31fcf1ee906c42e00"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="gtksourceview libgnomeui rarian"
 MAINTAINER="Vincent Batts"
 EMAIL="vbatts@hashbangbash.com"
diff --git a/academic/genpak/genpak.info b/academic/genpak/genpak.info
index 73e44e6a155ee..b0560d55f3182 100644
--- a/academic/genpak/genpak.info
+++ b/academic/genpak/genpak.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.bioinformatics.org/genpak/download/gp-0.26.tgz"
 MD5SUM="34e2942ff6b27eeb6116b9dea87285b6"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="arka"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/gerbv/gerbv.info b/academic/gerbv/gerbv.info
index f76be891f17b1..8e8e99d40daed 100644
--- a/academic/gerbv/gerbv.info
+++ b/academic/gerbv/gerbv.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/gerbv/gerbv-2.6.0.tar.gz"
 MD5SUM="44a37dd202bc60fab54cbc298a477572"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Felix Pfeifer"
 EMAIL="pfeifer[dot]felix[at]googlemail[dot]com"
diff --git a/academic/ggobi/ggobi.info b/academic/ggobi/ggobi.info
index aaeca8fa52ffc..770af33fa2420 100644
--- a/academic/ggobi/ggobi.info
+++ b/academic/ggobi/ggobi.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.ggobi.org/downloads/ggobi-2.1.8.tar.bz2"
 MD5SUM="0b07adffcf4379e819b1a26e4cd60d7b"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Pedro Mendes"
 EMAIL="pedro@gepasi.org"
diff --git a/academic/ghemical/ghemical.info b/academic/ghemical/ghemical.info
index c48e0e7ea0731..4a351a39c4b15 100644
--- a/academic/ghemical/ghemical.info
+++ b/academic/ghemical/ghemical.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.bioinformatics.org/ghemical/download/release20111012/ghemic
 MD5SUM="becf98626f0eba73f7f042bc92aa60ac"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="gtkglext libghemical liboglappth openbabel"
 MAINTAINER="Daniil Bratashov"
 EMAIL="dn2010@gmail.com"
diff --git a/academic/glpk/glpk.info b/academic/glpk/glpk.info
index 598ee7da3b93a..2661ff5dec24d 100644
--- a/academic/glpk/glpk.info
+++ b/academic/glpk/glpk.info
@@ -5,5 +5,6 @@ DOWNLOAD="ftp://ftp.gnu.org/gnu/glpk/glpk-4.47.tar.gz"
 MD5SUM="8653bf20c1f7db96b9ed369a8598a1ce"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Chris Abela"
 EMAIL="kristofru@gmail.com"
diff --git a/academic/gp2fasta/gp2fasta.info b/academic/gp2fasta/gp2fasta.info
index 3bdb560df4b13..b52ad7f953756 100644
--- a/academic/gp2fasta/gp2fasta.info
+++ b/academic/gp2fasta/gp2fasta.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://gp2fasta.ovh.org/gp2fasta.zip"
 MD5SUM="f1124fb098c531154f4e6dcf7c9d174d"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/gpredict/gpredict.info b/academic/gpredict/gpredict.info
index 1e6118e31aa4b..8bd05ac9cf612 100644
--- a/academic/gpredict/gpredict.info
+++ b/academic/gpredict/gpredict.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/gpredict/gpredict-1.3.tar.gz"
 MD5SUM="5547ab7dd1fd2af3bbb85a5e2c4e1e69"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="goocanvas"
 MAINTAINER="Matthew Fillpot"
 EMAIL="mfilpot@gmail.com"
diff --git a/academic/grace/grace.info b/academic/grace/grace.info
index 607c79c88debb..6075b467c10b4 100644
--- a/academic/grace/grace.info
+++ b/academic/grace/grace.info
@@ -5,5 +5,6 @@ DOWNLOAD="ftp://plasma-gate.weizmann.ac.il/pub/grace/src/grace5/grace-5.1.22.tar
 MD5SUM="672356466f18fe59ed21a8fb44f9851d"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="netcdf"
 MAINTAINER="B. Jogai"
 EMAIL="jogaib <at> comcast {dot} net"
diff --git a/academic/grass/grass.info b/academic/grass/grass.info
index cd3a443144fe1..c459d2cb05ed6 100644
--- a/academic/grass/grass.info
+++ b/academic/grass/grass.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://grass.osgeo.org/grass64/source/grass-6.4.2.tar.gz"
 MD5SUM="d3398d6b1e3a2ef19cfb6e39a5ae9919"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="blas ffmpeg gdal geos lapack numpy postgresql proj wxPython"
 MAINTAINER="David Spencer"
 EMAIL="baildon.research@googlemail.com"
diff --git a/academic/grpn/grpn.info b/academic/grpn/grpn.info
index 526a641a46bc5..2b854e75c8c2d 100644
--- a/academic/grpn/grpn.info
+++ b/academic/grpn/grpn.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://lashwhip.com/grpn/grpn-1.1.2.tar.gz"
 MD5SUM="a602f1e4dd3138ba2fe745e14b217039"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Richard Ellis"
 EMAIL="rellis@dp100.com"
diff --git a/academic/gtkwave/gtkwave.info b/academic/gtkwave/gtkwave.info
index 32675cb913c74..63e89000af5d0 100644
--- a/academic/gtkwave/gtkwave.info
+++ b/academic/gtkwave/gtkwave.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://gtkwave.sourceforge.net/gtkwave-3.2.3.tar.gz"
 MD5SUM="dcc427903a8f5e958c099f108958dce8"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Stephen Van Berg"
 EMAIL="stephen_van_berg@earlicker.com"
diff --git a/academic/gtypist/gtypist.info b/academic/gtypist/gtypist.info
index 51b55f8cfd81e..318bbb1cf5e9f 100644
--- a/academic/gtypist/gtypist.info
+++ b/academic/gtypist/gtypist.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://ftp.gnu.org/gnu/gtypist/gtypist-2.9.1.tar.xz"
 MD5SUM="7f8a5c380fddd61a9f8daf56b93a3b89"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Grigorios Bouzakis"
 EMAIL="grbzks@imap.cc"
diff --git a/academic/gwyddion/gwyddion.info b/academic/gwyddion/gwyddion.info
index e4ca03335c583..f9b89206fb5e6 100644
--- a/academic/gwyddion/gwyddion.info
+++ b/academic/gwyddion/gwyddion.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/gwyddion/gwyddion-2.28.tar.xz"
 MD5SUM="ef568ffbaf21c5090bbfaadca0a8845a"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="gtkglext libminizip"
 MAINTAINER="Daniil Bratashov"
 EMAIL="dn2010@gmail.com"
diff --git a/academic/isoelectric-point/isoelectric-point.info b/academic/isoelectric-point/isoelectric-point.info
index 48712c159d84f..3b90a3617171b 100644
--- a/academic/isoelectric-point/isoelectric-point.info
+++ b/academic/isoelectric-point/isoelectric-point.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://isoelectric.ovh.org/files/isoelectric-point-linux.tar.gz"
 MD5SUM="7c2ab92babad116c586f9dc21659d306"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/itex2mml/itex2mml.info b/academic/itex2mml/itex2mml.info
index fd6efce86917e..f9859d0c851cc 100644
--- a/academic/itex2mml/itex2mml.info
+++ b/academic/itex2mml/itex2mml.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://golem.ph.utexas.edu/~distler/blog/files/itexToMML.tar.gz"
 MD5SUM="e8b364e3d4aa55cce43030f3cab06be7"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="David Matthew Jerry Koenig"
 EMAIL="koenigdavidmj@gmail.com"
diff --git a/academic/jpicedt/jpicedt.info b/academic/jpicedt/jpicedt.info
index cb37e8fb7c86b..cf322f31b24c8 100644
--- a/academic/jpicedt/jpicedt.info
+++ b/academic/jpicedt/jpicedt.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/jpicedt/jpicedt-install_1_4_1_03_2007
 MD5SUM="bc1894efbe41c87e5767fb17c8a21d20"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Robert Allen"
 EMAIL="slacker@slaphappygeeks.com"
diff --git a/academic/kile/kile.info b/academic/kile/kile.info
index b7ed640de9163..91414a1a01839 100644
--- a/academic/kile/kile.info
+++ b/academic/kile/kile.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/project/kile/unstable/kile-2.1b2/kile
 MD5SUM="ac75783e79f58c4079f47ca7e0bb551b"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Eugene Suter"
 EMAIL="easuter@gmail.com"
diff --git a/academic/ladr/ladr.info b/academic/ladr/ladr.info
index 0d818fef48d5c..b1d5eafaa710a 100644
--- a/academic/ladr/ladr.info
+++ b/academic/ladr/ladr.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.cs.unm.edu/~mccune/prover9/download/LADR-2009-11A.tar.gz"
 MD5SUM="ab409f31ecbb4410b1c7d75deadea2c6"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Heinz Wiesinger"
 EMAIL="pprkut@liwjatan.at"
diff --git a/academic/lalnview/lalnview.info b/academic/lalnview/lalnview.info
index d7a78aa133631..59e33ef455410 100644
--- a/academic/lalnview/lalnview.info
+++ b/academic/lalnview/lalnview.info
@@ -5,5 +5,6 @@ DOWNLOAD="ftp://pbil.univ-lyon1.fr/pub/logiciel/lalnview/sources/sources20050615
 MD5SUM="127952631b17df843c9721d4da64f42e"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="PDFlib-Lite fltk"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/lapack95/lapack95.info b/academic/lapack95/lapack95.info
index fbb66b3cbdae2..6a4daa5e10d6b 100644
--- a/academic/lapack95/lapack95.info
+++ b/academic/lapack95/lapack95.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.netlib.org/lapack95/lapack95.tgz"
 MD5SUM="a49ac8f061d7cd429e5279e69bbe334d"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="blas lapack"
 MAINTAINER="Pablo Santamaria"
 EMAIL="pablosantamaria@gmail.com"
diff --git a/academic/libghemical/libghemical.info b/academic/libghemical/libghemical.info
index 9ea9c00a792d9..59babcc8ccde8 100644
--- a/academic/libghemical/libghemical.info
+++ b/academic/libghemical/libghemical.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.bioinformatics.org/ghemical/download/release20111012/libghe
 MD5SUM="1d5c9c19bb119470d2bb41a7e681eafd"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="mopac7 mpqc"
 MAINTAINER="Daniil Bratashov"
 EMAIL="dn2010@gmail.com"
diff --git a/academic/link-grammar/link-grammar.info b/academic/link-grammar/link-grammar.info
index c3242e625575d..ac256482a09cb 100644
--- a/academic/link-grammar/link-grammar.info
+++ b/academic/link-grammar/link-grammar.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.abisource.com/downloads/link-grammar/4.5.8/link-grammar-4.5
 MD5SUM="2a68294ca315c1ca3bceb33bb8982a29"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="apache-ant"
 MAINTAINER="Michael Gabilondo"
 EMAIL="mgabilo{at}gmail{dot}com"
diff --git a/academic/mathomatic/mathomatic.info b/academic/mathomatic/mathomatic.info
index 50d5b48becda8..4765afc3eb20e 100644
--- a/academic/mathomatic/mathomatic.info
+++ b/academic/mathomatic/mathomatic.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://mathomatic.org/mathomatic-15.8.5.tar.bz2"
 MD5SUM="cb2abc1a35142158f8ec99d7e8368e11"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="rlwrap"
 MAINTAINER="Matthew Fillpot"
 EMAIL="mfilpot@gmail.com"
diff --git a/academic/maxima/maxima.info b/academic/maxima/maxima.info
index 5ab89351ceabe..de387fb3168f7 100644
--- a/academic/maxima/maxima.info
+++ b/academic/maxima/maxima.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://sourceforge.net/projects/maxima/files/Maxima-source/5.26.0-sour
 MD5SUM="1d904f3484e41c12db8130a9ba93461d"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Glenn Becker"
 EMAIL="burningc@SDF.ORG"
diff --git a/academic/mendeleydesktop/mendeleydesktop.info b/academic/mendeleydesktop/mendeleydesktop.info
index 01eeb24b10c81..4a58269a2df8f 100644
--- a/academic/mendeleydesktop/mendeleydesktop.info
+++ b/academic/mendeleydesktop/mendeleydesktop.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://s3.amazonaws.com/mendeley-desktop-download/linux/mendeleydeskto
 MD5SUM="e797daa7c50778d5439431824f1e385d"
 DOWNLOAD_x86_64="http://s3.amazonaws.com/mendeley-desktop-download/linux/mendeleydesktop-1.0.1-linux-x86_64.tar.bz2"
 MD5SUM_x86_64="48dc6d77831d9976a6bd5809b4d47458"
+REQUIRES=""
 MAINTAINER="Grissiom"
 EMAIL="chaos.proton@gmail.com"
diff --git a/academic/metis/metis.info b/academic/metis/metis.info
index 7f2d4481d96fc..f4b17ca945749 100644
--- a/academic/metis/metis.info
+++ b/academic/metis/metis.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://glaros.dtc.umn.edu/gkhome/fetch/sw/metis/metis-4.0.3.tar.gz"
 MD5SUM="d3848b454532ef18dc83e4fb160d1e10"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Kyle Guinn"
 EMAIL="elyk03@gmail.com"
diff --git a/academic/mopac7/mopac7.info b/academic/mopac7/mopac7.info
index 3f7233a0405c8..d2e83531eb96c 100644
--- a/academic/mopac7/mopac7.info
+++ b/academic/mopac7/mopac7.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.bioinformatics.org/ghemical/download/current/mopac7-1.15.ta
 MD5SUM="7e509fd03154b37cc682593365c233f4"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Daniil Bratashov"
 EMAIL="dn2010@gmail.com"
diff --git a/academic/mpqc/mpqc.info b/academic/mpqc/mpqc.info
index 5b81a8ad58efa..2d1e466c75f81 100644
--- a/academic/mpqc/mpqc.info
+++ b/academic/mpqc/mpqc.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/mpqc/mpqc-2.3.1.tar.bz2"
 MD5SUM="2f9b4f7487387730d78066a53764f848"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="blas lapack"
 MAINTAINER="Daniil Bratashov"
 EMAIL="dn2010@gmail.com"
diff --git a/academic/muscle/muscle.info b/academic/muscle/muscle.info
index 34b77d93a228a..96a842c73f6d0 100644
--- a/academic/muscle/muscle.info
+++ b/academic/muscle/muscle.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.drive5.com/muscle/downloads3.8.31/muscle3.8.31_src.tar.gz"
 MD5SUM="f767f00fd15f0c5db944d41936779e10"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/ngspice/ngspice.info b/academic/ngspice/ngspice.info
index 0fb43309c0968..55da20651b419 100644
--- a/academic/ngspice/ngspice.info
+++ b/academic/ngspice/ngspice.info
@@ -7,5 +7,6 @@ MD5SUM="68ae18d4c1f7312a1b8e7a5c0858b146 \
         6ee7d0f5f23a7c61bf96227ca523cad8"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="B. Jogai"
 EMAIL="jogaib <at> comcast {dot} net"
diff --git a/academic/octave-forge/octave-forge.info b/academic/octave-forge/octave-forge.info
index 64af5a2cefb2a..d4b7e9bd0fb8e 100644
--- a/academic/octave-forge/octave-forge.info
+++ b/academic/octave-forge/octave-forge.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/octave/octave-forge-bundle-20090607.t
 MD5SUM="faf95ff58884cd29379015b70f57c745"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="octave"
 MAINTAINER="Mauro Giachero"
 EMAIL="mauro dot giachero at gmail dot com"
diff --git a/academic/octave/octave.info b/academic/octave/octave.info
index 2b76c257cb60c..d643b2b417d42 100644
--- a/academic/octave/octave.info
+++ b/academic/octave/octave.info
@@ -5,5 +5,6 @@ DOWNLOAD="ftp://ftp.gnu.org/gnu/octave/octave-3.4.2.tar.bz2"
 MD5SUM="31c744ab4555a2bf04d5e644b93f9b51"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="AMD CAMD CCOLAMD CHOLMOD COLAMD CXSparse GraphicsMagick UMFPACK arpack blas fltk ftgl glpk hdf5 lapack qhull qrupdate"
 MAINTAINER="Kyle Guinn"
 EMAIL="elyk03@gmail.com"
diff --git a/academic/opengrads/opengrads.info b/academic/opengrads/opengrads.info
index fd530e6dc1c50..07aa53d400831 100644
--- a/academic/opengrads/opengrads.info
+++ b/academic/opengrads/opengrads.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://sourceforge.net/projects/opengrads/files/grads2/2.0.a7.oga.2/gr
 MD5SUM="29284d64827012c9a188cf7ecb2e6924"
 DOWNLOAD_x86_64="http://sourceforge.net/projects/opengrads/files/grads2/2.0.a7.oga.2/grads-2.0.a7.oga.2-bundle-x86_64-unknown-linux-gnu.tar.gz/download"
 MD5SUM_x86_64="a426e1995bac6bd89f45f8ef9cb3b3e1"
+REQUIRES=""
 MAINTAINER="Oda"
 EMAIL="edu.oda@gmail.com"
diff --git a/academic/pcb/pcb.info b/academic/pcb/pcb.info
index 0a8ab9ebf709d..73982635250a4 100644
--- a/academic/pcb/pcb.info
+++ b/academic/pcb/pcb.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/pcb/pcb-20110918.tar.gz"
 MD5SUM="54bbc997eeb22b85cf21fed54cb8e181"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="gtkglext"
 MAINTAINER="Felix Pfeifer"
 EMAIL="pfeifer[dot]felix[at]googlemail[dot]com"
diff --git a/academic/perlprimer/perlprimer.info b/academic/perlprimer/perlprimer.info
index 13263c9b7b1a5..18d9a9ce24b6b 100644
--- a/academic/perlprimer/perlprimer.info
+++ b/academic/perlprimer/perlprimer.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/perlprimer/perlprimer-1.1.21.tar.bz2"
 MD5SUM="016eb870b988a280cdb730a86dd67591"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="libwww-perl perl-tk spidey"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/pianobooster/pianobooster.info b/academic/pianobooster/pianobooster.info
index 5cb488ed23397..3c878faaa48b7 100644
--- a/academic/pianobooster/pianobooster.info
+++ b/academic/pianobooster/pianobooster.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/pianobooster/pianobooster-src-0.6.4b.
 DOWNLOAD_x86_64=""
 MD5SUM="4c1c34a4b763e6108aa9668be7890696"
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="B. Watson"
 EMAIL="yalhcru@gmail.com"
diff --git a/academic/plasmidomics/plasmidomics.info b/academic/plasmidomics/plasmidomics.info
index d9a0ef9f72da9..129cd37f9a2bc 100644
--- a/academic/plasmidomics/plasmidomics.info
+++ b/academic/plasmidomics/plasmidomics.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.bioprocess.org/plasmid/plasmidomics-0.2.tar.bz2"
 MD5SUM="72fdeb78943ed274f3a738da6afca5ef"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/primer3/primer3.info b/academic/primer3/primer3.info
index 81b81a84debcd..3ebd4bbaa2842 100644
--- a/academic/primer3/primer3.info
+++ b/academic/primer3/primer3.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/project/primer3/primer3/2.2.3/primer3
 MD5SUM="b9cdcff68637479c094844d652c03839"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/pyfits/pyfits.info b/academic/pyfits/pyfits.info
index c1bd073958857..7ee56787ec932 100644
--- a/academic/pyfits/pyfits.info
+++ b/academic/pyfits/pyfits.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://pypi.python.org/packages/source/p/pyfits/pyfits-3.0.3.tar.gz"
 MD5SUM="0edc6f59ca291e0447032b9b72fcfb37"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="numpy"
 MAINTAINER="Nicky Chorley"
 EMAIL="nick.chorley@gmail.com"
diff --git a/academic/qgis/qgis.info b/academic/qgis/qgis.info
index 9c82ea9b2a33d..31bc071191ad1 100644
--- a/academic/qgis/qgis.info
+++ b/academic/qgis/qgis.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://qgis.org/downloads/qgis-1.7.4.tar.bz2"
 MD5SUM="ad6e2bd8c5eb0c486939c420af5d8c44"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="fcgi gdal geos gpsbabel grass gsl numpy postgis postgresql proj qwt"
 MAINTAINER="David Spencer"
 EMAIL="baildon.research@googlemail.com"
diff --git a/academic/qhull/qhull.info b/academic/qhull/qhull.info
index eb0bb512a7559..2fc8c29f6e325 100644
--- a/academic/qhull/qhull.info
+++ b/academic/qhull/qhull.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.qhull.org/download/qhull-2012.1-src.tgz"
 MD5SUM="d0f978c0d8dfb2e919caefa56ea2953c"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Chris Abela"
 EMAIL="kristofru@gmail.com"
diff --git a/academic/qrupdate/qrupdate.info b/academic/qrupdate/qrupdate.info
index 2b885c9bb8961..81e79a349e307 100644
--- a/academic/qrupdate/qrupdate.info
+++ b/academic/qrupdate/qrupdate.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://sourceforge.net/projects/qrupdate/files/qrupdate/1.1/qrupdate-1
 MD5SUM="7782c7ee6c234e56a72d6b86c1856fa0"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="blas lapack"
 MAINTAINER="Pablo Santamaria"
 EMAIL="pablosantamaria@gmail.com"
diff --git a/academic/qtoctave/qtoctave.info b/academic/qtoctave/qtoctave.info
index 0a7ff82b0af2c..95fa73ba6180d 100644
--- a/academic/qtoctave/qtoctave.info
+++ b/academic/qtoctave/qtoctave.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://forja.rediris.es/frs/download.php/877/qtoctave-0.8.1.tar.gz"
 MD5SUM="b4e237b578f9c2624bb0fab2cb7ea691"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="octave"
 MAINTAINER="Mauro Giachero"
 EMAIL="mauro_dot_giachero_at_gmail_dot_com"
diff --git a/academic/qucs/qucs.info b/academic/qucs/qucs.info
index c11902592b0d5..129ad22339bcb 100644
--- a/academic/qucs/qucs.info
+++ b/academic/qucs/qucs.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://dfn.dl.sourceforge.net/project/qucs/qucs/0.0.16/qucs-0.0.16.tar
 MD5SUM="c916502171d422ab168fe5fc681b29d8"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="qt3"
 MAINTAINER="Fridrich von Stauffenberg"
 EMAIL="cancellor2@gmail.com"
diff --git a/academic/sage/sage.info b/academic/sage/sage.info
index 04b2b20cd085e..3a932b33dafae 100644
--- a/academic/sage/sage.info
+++ b/academic/sage/sage.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://sage.math.washington.edu/home/release/sage-4.7.2/sage-4.7.2.tar
 MD5SUM="b3073997e6c7ec00a269f84ff2e54973"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Jack Maddox"
 EMAIL="jack@auburn.edu"
diff --git a/academic/scilab/scilab.info b/academic/scilab/scilab.info
index 75c79a95501a2..36b397d842e55 100644
--- a/academic/scilab/scilab.info
+++ b/academic/scilab/scilab.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.scilab.org/download/5.3.3/scilab-5.3.3.bin.linux-i686.tar.g
 MD5SUM="57fa15a535a698f21b54a8b6845d0061"
 DOWNLOAD_x86_64="http://www.scilab.org/download/5.3.3/scilab-5.3.3.bin.linux-x86_64.tar.gz"
 MD5SUM_x86_64="f9d72cbe90176513d8c4592c38fc0f23"
+REQUIRES=""
 MAINTAINER="Fridrich von Stauffenberg"
 EMAIL="cancellor2@gmail.com"
diff --git a/academic/scipy/scipy.info b/academic/scipy/scipy.info
index 48340ccabaf65..e2cf29eddd618 100644
--- a/academic/scipy/scipy.info
+++ b/academic/scipy/scipy.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://garr.dl.sourceforge.net/project/scipy/scipy/0.9.0/scipy-0.9.0.t
 MD5SUM="ebfef6e8e82d15c875a4ee6a46d4e1cd"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="UMFPACK blas ipython lapack matplotlib numpy"
 MAINTAINER="Serban Udrea"
 EMAIL="S.Udrea@gsi.de"
diff --git a/academic/seaview/seaview.info b/academic/seaview/seaview.info
index a21e7f1969aee..06390bdfbcc34 100644
--- a/academic/seaview/seaview.info
+++ b/academic/seaview/seaview.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://pbil.univ-lyon1.fr/software/seaview_data/archive/seaview_4.3.5.
 MD5SUM="5dd45cf8e1fa9a6179aae82215b2b0bb"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="Gblocks PhyML clustalw fltk13 muscle"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/sequence-analysis/sequence-analysis.info b/academic/sequence-analysis/sequence-analysis.info
index 56e61c51269a3..a83d8f8a99601 100644
--- a/academic/sequence-analysis/sequence-analysis.info
+++ b/academic/sequence-analysis/sequence-analysis.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://informagen.com/SA/sa.jar"
 MD5SUM="48609bfdd0d689cc62467159a0308886"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/slatec/slatec.info b/academic/slatec/slatec.info
index 0dd5ceec934ae..60069da341454 100644
--- a/academic/slatec/slatec.info
+++ b/academic/slatec/slatec.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://devernay.free.fr/hacks/netlibs/slatec_4.1-4.tar.gz"
 MD5SUM="fee6fcc5755ad7135261de5dc8400da9"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Pablo Santamaria"
 EMAIL="pablosantamaria@gmail.com"
diff --git a/academic/smath-studio/smath-studio.info b/academic/smath-studio/smath-studio.info
index 333fb60b0574f..509c67ad3c282 100644
--- a/academic/smath-studio/smath-studio.info
+++ b/academic/smath-studio/smath-studio.info
@@ -7,5 +7,6 @@ MD5SUM="b573ba3360c72d1273af03e9b827393f \
         1dd3ff0477b5c3c57fb815320a387643"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="mono"
 MAINTAINER="Fridrich von Stauffenberg"
 EMAIL="cancellor2@gmail.com"
diff --git a/academic/solfege/solfege.info b/academic/solfege/solfege.info
index 6db757346fded..73b0ba7a28f59 100644
--- a/academic/solfege/solfege.info
+++ b/academic/solfege/solfege.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/solfege/solfege-3.14.7.tar.gz"
 MD5SUM="404dff8fddb0b8325f02e922620222a3"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="TiMidity++ freepats"
 MAINTAINER="Phillip Warner"
 EMAIL="pc_warner@yahoo.com"
diff --git a/academic/speedcrunch/speedcrunch.info b/academic/speedcrunch/speedcrunch.info
index d2c749121bda9..aae54d16378d6 100644
--- a/academic/speedcrunch/speedcrunch.info
+++ b/academic/speedcrunch/speedcrunch.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://speedcrunch.googlecode.com/files/speedcrunch-0.10.1.tar.gz"
 MD5SUM="344ee1303b05502d28c58a2fff1ca6b2"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Larry Hajali"
 EMAIL="larryhaja[at]gmail[dot]com"
diff --git a/academic/spidey/spidey.info b/academic/spidey/spidey.info
index 7f3deb8372220..324a7da4a9972 100644
--- a/academic/spidey/spidey.info
+++ b/academic/spidey/spidey.info
@@ -5,5 +5,6 @@ DOWNLOAD="ftp://ftp.ncbi.nih.gov/pub/wheelan/Spidey/spidey.linux.gz"
 MD5SUM="2e56ef2e4fcf57eca266fb1b3bb56c7e"
 DOWNLOAD_x86_64="UNSUPPORTED"
 MD5SUM_x86_64="UNSUPPORTED"
+REQUIRES=""
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/staden/staden.info b/academic/staden/staden.info
index ac45d37dbe3be..8c80e9c884754 100644
--- a/academic/staden/staden.info
+++ b/academic/staden/staden.info
@@ -11,5 +11,6 @@ MD5SUM="94dc304b00d18b95f783136c9ffd934f \
         78b59df55904095af40d64a0cd08c50d"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="io_lib tklib"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/stellarium/stellarium.info b/academic/stellarium/stellarium.info
index e17c1e7a3f49b..d2e2889e1c5ad 100644
--- a/academic/stellarium/stellarium.info
+++ b/academic/stellarium/stellarium.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/stellarium/stellarium-0.11.0.tar.gz"
 MD5SUM="5a4447661fcdeabe8730dca2081367db"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Alan Alberghini"
 EMAIL="414N@slacky.it"
diff --git a/academic/suitesparse/suitesparse.info b/academic/suitesparse/suitesparse.info
index 88d56c57df1e8..d483952b411c6 100644
--- a/academic/suitesparse/suitesparse.info
+++ b/academic/suitesparse/suitesparse.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.cise.ufl.edu/research/sparse/SuiteSparse/SuiteSparse-3.4.0.
 MD5SUM="e59dcabc9173b1ba1b3659ae147006b8"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="blas lapack"
 MAINTAINER="Pablo Santamaria"
 EMAIL="pablosantamaria@gmail.com"
diff --git a/academic/sword/sword.info b/academic/sword/sword.info
index bb9fcec8465a7..58e53de0ca0a5 100644
--- a/academic/sword/sword.info
+++ b/academic/sword/sword.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://crosswire.org/ftpmirror/pub/sword/source/v1.6/sword-1.6.2.tar.g
 MD5SUM="a7dc4456e20e915fec46d774b690e305"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Heinz Wiesinger"
 EMAIL="pprkut@liwjatan.at"
diff --git a/academic/sympy/sympy.info b/academic/sympy/sympy.info
index e3ace7031c22f..9b265009f0786 100644
--- a/academic/sympy/sympy.info
+++ b/academic/sympy/sympy.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://sympy.googlecode.com/files/sympy-0.7.1.tar.gz"
 MD5SUM="3847b5ed5c1531bf3c1b849dc2337253"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="ipython"
 MAINTAINER="Serban Udrea"
 EMAIL="S.Udrea@gsi.de"
diff --git a/academic/tilem/tilem.info b/academic/tilem/tilem.info
index c439cb7a25e47..6c3960e6ea8a0 100644
--- a/academic/tilem/tilem.info
+++ b/academic/tilem/tilem.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/tilem/tilem-0.973.tar.gz"
 MD5SUM="f78471d940e7991eb52ff5e2f3386123"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="JK Wood"
 EMAIL="joshuakwood@gmail.com"
diff --git a/academic/treeview/treeview.info b/academic/treeview/treeview.info
index cefbaec5bb2bf..0189232e2ca79 100644
--- a/academic/treeview/treeview.info
+++ b/academic/treeview/treeview.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://treeviewx.googlecode.com/files/tv-0.5.tar.gz"
 MD5SUM="8059a306b723e6fb4d3befcf302b2920"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="wxPython"
 MAINTAINER="Petar Petrov"
 EMAIL="ppetrov@paju.oulu.fi"
diff --git a/academic/tuxmath/tuxmath.info b/academic/tuxmath/tuxmath.info
index 1679202d7437e..a03794e394fe7 100644
--- a/academic/tuxmath/tuxmath.info
+++ b/academic/tuxmath/tuxmath.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://alioth.debian.org/frs/download.php/3571/tuxmath_w_fonts-2.0.3.t
 MD5SUM="cb09356d1825f9b7a8df416e83d7f46d"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="SDL_Pango t4k_common"
 MAINTAINER="Larry Hajali"
 EMAIL="larryhaja[at]gmail[dot]com"
diff --git a/academic/tuxtype2/tuxtype2.info b/academic/tuxtype2/tuxtype2.info
index 89cbbb844b188..335de7e6bf443 100644
--- a/academic/tuxtype2/tuxtype2.info
+++ b/academic/tuxtype2/tuxtype2.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/tuxtype/tuxtype_w_fonts-1.8.0.tar.gz"
 MD5SUM="7294fc19db32a3134bd4112e9cb604c4"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="SDL_Pango"
 MAINTAINER="Jon Hulka"
 EMAIL="jon.hulka{at}gmail{dot}com"
diff --git a/academic/units/units.info b/academic/units/units.info
index d1104a3b6da92..0b826c1b02f7f 100644
--- a/academic/units/units.info
+++ b/academic/units/units.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://ftp.gnu.org/gnu/units/units-2.00.tar.gz"
 MD5SUM="6d0518d493f9bab5aa318a3c7d0801b2"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="ArTourter"
 EMAIL="artourter@gmail.com"
diff --git a/academic/verilog/verilog.info b/academic/verilog/verilog.info
index 49bc9f1ed7911..2c2e0de5b4fb8 100644
--- a/academic/verilog/verilog.info
+++ b/academic/verilog/verilog.info
@@ -5,5 +5,6 @@ DOWNLOAD="ftp://ftp.icarus.com/pub/eda/verilog/v0.9/verilog-0.9.4.tar.gz"
 MD5SUM="013f1397338fd984ec711250408e43a6"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Stephen Van Berg"
 EMAIL="stephen_van_berg@earlicker.com"
diff --git a/academic/wxMaxima/wxMaxima.info b/academic/wxMaxima/wxMaxima.info
index cf01bd2a6b698..8174293d0c526 100644
--- a/academic/wxMaxima/wxMaxima.info
+++ b/academic/wxMaxima/wxMaxima.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/wxmaxima/wxMaxima-11.04.0.tar.gz"
 MD5SUM="249fd17d9c299bda6bd13532f02f1dea"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="maxima wxPython"
 MAINTAINER="Larry Hajali"
 EMAIL="larryhaja[at]gmail[dot]com"
diff --git a/academic/wxmacmolplt/wxmacmolplt.info b/academic/wxmacmolplt/wxmacmolplt.info
index 120ce9be6bd46..5d0d4bce71cc1 100644
--- a/academic/wxmacmolplt/wxmacmolplt.info
+++ b/academic/wxmacmolplt/wxmacmolplt.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://www.scl.ameslab.gov/MacMolPlt/download/wxmacmolplt-7.4.3.tar.gz
 MD5SUM="d4fb4788fec48dcb7f206c812541d09a"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES="ming wxGTK"
 MAINTAINER="Daniil Bratashov"
 EMAIL="dn2010@gmail.com"
diff --git a/academic/xcircuit/xcircuit.info b/academic/xcircuit/xcircuit.info
index ecd331a9284b5..cca13994b2b27 100644
--- a/academic/xcircuit/xcircuit.info
+++ b/academic/xcircuit/xcircuit.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://opencircuitdesign.com/xcircuit/archive/xcircuit-3.7.13.tgz"
 MD5SUM="93e4bd03d339fc190fa4614766bf0c96"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="B. Jogai"
 EMAIL="jogaib <at> comcast {dot} net"
diff --git a/academic/xephem/xephem.info b/academic/xephem/xephem.info
index 5c6397368b48e..b4fa51451c38d 100644
--- a/academic/xephem/xephem.info
+++ b/academic/xephem/xephem.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://97.74.56.125/free/xephem-3.7.5.tar.gz"
 MD5SUM="8ce194c7bde08cd2bc11836316e260bd"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Dario Nicodemi"
 EMAIL="dario.sbo@gmail.com"
diff --git a/academic/xoscope/xoscope.info b/academic/xoscope/xoscope.info
index 4a73cd6fe382f..b516865b03532 100644
--- a/academic/xoscope/xoscope.info
+++ b/academic/xoscope/xoscope.info
@@ -5,5 +5,6 @@ DOWNLOAD="http://downloads.sourceforge.net/xoscope/xoscope-2.0.tgz"
 MD5SUM="f1430ccee4ee0f6f478c2cd209549741"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
+REQUIRES=""
 MAINTAINER="Kyle Guinn"
 EMAIL="elyk03@gmail.com"