remove gmp build dependency for cglpk

.gitignore

@@ -12,7 +12,6 @@ cobra/solvers/cglpk.c
 cobra/solvers/*so
 glpk.h
 libglpk.a
-libgmp.a
 .idea/
 .ipynb_checkpoints
 examples/faq.py

.travis.yml

@@ -9,10 +9,9 @@ before_install:
   - export PIP_OPTS="-f https://pypi.drosophi.la --no-index"
   - if [[ $TRAVIS_PYTHON_VERSION == 2* ]]; then pip install glpk $PIP_OPTS; fi
   - pip install python-libsbml-experimental cython numpy scipy $PIP_OPTS
-  - wget http://drosophi.la/travis_test_dependencies.zip  # solver, glpk, and gmp
+  - wget http://drosophi.la/travis_test_dependencies.zip  # esolver, and glpk
   - unzip travis_test_dependencies.zip
   - export PATH=$PATH:$PWD
-  - export LDFLAGS="-Wl,-Bsymbolic-functions"
 install:
   - python setup.py develop
 # # command to run tests

setup.py

@@ -102,10 +102,7 @@ def get_tag(self):
         except ImportError:
             pass
 
-    if system() in {"Windows", "Darwin"}:
-        build_args["libraries"] = ["glpk"]
-    else:
-        build_args["libraries"] = ["glpk", "gmp"]
+    build_args["libraries"] = ["glpk"]
     # It is possible to statically link libglpk to the built extension. This
     # allows for simplified installation without the need to install libglpk to
     # the system, and is also usueful when installing a particular version of
@@ -116,10 +113,10 @@ def get_tag(self):
     # https://gist.github.com/aebrahim/94a2b231d86821f7f225
     include_dirs = []
     library_dirs = []
-    if isfile("libglpk.a") or isfile("libgmp.a"):
+    if isfile("libglpk.a"):
         library_dirs.append(abspath("."))
     if isfile("glpk.h"):
-        include_dirs.append(dirname(abspath("glpk.h")))
+        include_dirs.append(abspath("."))
     if name == "posix":
         from subprocess import check_output
         try: