parallelio: make shared lib the default (#32432)

var/spack/repos/builtin/packages/parallelio/gfortran.patch

@@ -0,0 +1,23 @@
+--- old/CMakeLists.txt
++++ new/CMakeLists.txt
+@@ -4,7 +4,7 @@
+ 
+ # Jim Edwards
+ 
+-cmake_minimum_required (VERSION 3.5.2)
++cmake_minimum_required (VERSION 3.7)
+ project (PIO C)
+ 
+ # The project version number.
+@@ -243,6 +243,11 @@ if (PIO_ENABLE_COVERAGE)
+   endif ()
+ endif ()
+ 
++# Allow argument mismatch in gfortran versions > 10 for mpi library compatibility
++if ("${CMAKE_Fortran_COMPILER_VERSION}" VERSION_GREATER_EQUAL 10)
++   set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fallow-argument-mismatch")
++endif()
++
+ # Include this so we can check values in netcdf_meta.h.
+ INCLUDE(CheckCSourceCompiles)
+ INCLUDE(FindNetCDF)

var/spack/repos/builtin/packages/parallelio/package.py

@@ -13,6 +13,7 @@ class Parallelio(CMakePackage):
 
     homepage = "https://ncar.github.io/ParallelIO/"
     url = "https://github.com/NCAR/ParallelIO/archive/pio2_5_8.tar.gz"
+    git = "https://github.com/NCAR/ParallelIO.git"
 
     maintainers = ["jedwards4b"]
 
@@ -33,6 +34,9 @@ class Parallelio(CMakePackage):
     depends_on("netcdf-fortran", type="link", when="+fortran")
     depends_on("parallel-netcdf", type="link", when="+pnetcdf")
 
+    # Allow argument mismatch in gfortran versions > 10 for mpi library compatibility
+    patch("gfortran.patch", when="+fortran %gcc@10:")
+
     resource(name="genf90", git="https://github.com/PARALLELIO/genf90.git", tag="genf90_200608")
 
     def cmake_args(self):
@@ -46,6 +50,8 @@ def cmake_args(self):
             define("NetCDF_C_PATH", spec["netcdf-c"].prefix),
             define("USER_CMAKE_MODULE_PATH", join_path(src, "cmake")),
             define("GENF90_PATH", join_path(src, "genf90")),
+            define("BUILD_SHARED_LIBS", True),
+            define("PIO_ENABLE_EXAMPLES", False),
         ]
         if spec.satisfies("+pnetcdf"):
             args.extend(
@@ -68,3 +74,8 @@ def cmake_args(self):
             ]
         )
         return args
+
+    def url_for_version(self, version):
+        return "https://github.com/NCAR/ParallelIO/archive/pio{0}.tar.gz".format(
+            version.underscored
+        )