added xfoil recipe

xfoil/build.sh

@@ -0,0 +1,6 @@
+mkdir build && cd build
+cmake -DCMAKE_INSTALL_PREFIX=$PREFIX \
+      -DCMAKE_PREFIX_PATH=$PREFIX \
+      ..
+
+make -j${CPU_COUNT} install

xfoil/meta.yaml

@@ -0,0 +1,30 @@
+package:
+    name: xfoil
+    version: 6.97
+
+source:
+    git_url: https://github.com/RobotLocomotion/xfoil
+    git_tag: master
+
+build:
+    number: 0
+
+requirements:
+    build:
+        - cmake
+        - gcc
+    run:
+
+about:
+    home: http://web.mit.edu/drela/Public/web/xfoil/
+    license: GPL 2
+    license_family: GPL
+    # license_file: COPYING
+    summary: subsonic airfoil development system
+    description: XFOIL is an interactive program for the design and analysis of subsonic isolated airfoils. 
+    doc_url: http://web.mit.edu/drela/Public/web/xfoil/
+    dev_url: https://github.com/RobotLocomotion/xfoil/blob/master/CMakeLists.txt
+
+extra:
+    recipe-maintainers:
+        - looooo