upgrading gcc/gfortran/g++ fixes issue 8 with libgfortran clashes

heclib had to be recompiled with these compilers to avoid crashing

Author: dwr-psandhu

conda.recipe/meta.yaml

@@ -11,7 +11,7 @@ source:
 build:
   number: 0
   #skip:           true
-  script: LDSHARED=g++ python setup.py install --single-version-externally-managed --record=record.txt # [unix]
+  script: python setup.py install --single-version-externally-managed --record=record.txt # [unix]
   script: python setup.py install --single-version-externally-managed --record=record.txt # [win]
 
 requirements:
@@ -21,12 +21,12 @@ requirements:
     - numpy {{ numpy }}
     - swig
     - pandas >=0.23
+    - pytest-runner >=5.0
 
   run:
     - python >=3.7
     - numpy  >=1.16
     - pandas >=0.23
-    # - libgfortran >=3.0 # needed by linux but from channel anaconda https://github.com/CADWRDeltaModeling/pyhecdss/issues/8
 
 test:
   imports:

extensions/libheclib6-WE.a

@@ -41,7 +41,7 @@ def find_version(*file_paths):
 
 requirements = ["numpy>=1.16,<2","pandas>=0.23"]
 
-setup_requirements = ['pytest-runner', ]
+setup_requirements = ['pytest-runner>=5.0', ]
 
 test_requirements = ['pytest', ]
 
@@ -51,7 +51,8 @@ def find_version(*file_paths):
 
 if platform.system() == 'Linux':
     # https://stackoverflow.com/questions/329059/what-is-gxx-personality-v0-for
-    extra_links = ['-fno-exceptions','-fno-rtti','-shared','-lgfortran','-lstdc++']  # linux -static-libgcc -static-libstdc++ -static-libgfortran not working!
+    extra_links = ['-fno-exceptions','-fno-rtti','-shared',
+                   '-lgfortran','-lstdc++']  
     libs = ['heclib6-WE'] # linux
     libdirs = ['./extensions'] # linux
     compile_args=['-D_GNU_SOURCE','-fno-exceptions'] # linux
@@ -69,7 +70,7 @@ def find_version(*file_paths):
 pyheclib_module = Extension('pyhecdss._pyheclib',
                             sources=['pyhecdss/pyheclib.i',
                                      'pyhecdss/hecwrapper.c'],
-                            swig_opts=['-python', '-py3'],
+                            swig_opts=['-py3'],
                             libraries=libs,
                             library_dirs=libdirs,
                             extra_compile_args=compile_args,