add apcomp package (#17494)

* add apcomp package

* add maintainers

* fake8

* Update var/spack/repos/builtin/packages/apcomp/package.py

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

* review suggestions

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

1 files changed, 182 insertions, 0 deletions

diff --git a/var/spack/repos/builtin/packages/apcomp/package.py b/var/spack/repos/builtin/packages/apcomp/package.py
new file mode 100644
index 0000000000..3e66038030
--- /dev/null
+++ b/var/spack/repos/builtin/packages/apcomp/package.py
@@ -0,0 +1,182 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+
+from spack import *
+import os
+import socket
+import llnl.util.tty as tty
+
+
+def cmake_cache_entry(name, value, vtype=None):
+    """
+    Helper that creates CMake cache entry strings used in
+    'host-config' files.
+    """
+    if vtype is None:
+        if value == "ON" or value == "OFF":
+            vtype = "BOOL"
+        else:
+            vtype = "PATH"
+    return 'set({0} "{1}" CACHE {2} "")\n\n'.format(name, value, vtype)
+
+
+class Apcomp(Package):
+    """A multi use-case image compositor"""
+
+    homepage = 'https://github.com/Alpine-DAV/ap_compositor'
+    git      = 'https://github.com/Alpine-DAV/ap_compositor.git'
+    url      = "https://github.com/Alpine-DAV/ap_compositor/releases/download/v0.0.1/apcomp-v0.0.1.tar.gz"
+
+    maintainers = ['mclarsen', 'cyrush']
+
+    version('master', branch='master', submodules='True')
+    version('0.0.1', sha256="cbf85fe58d5d5bc2f468d081386cc8b79861046b3bb7e966edfa3f8e95b998b2")
+
+    variant('openmp', default=True, description='Build with openmp support')
+    variant('mpi', default=True, description='Build with MPI support')
+    variant('shared', default=True, description='Build Shared Library')
+
+    depends_on('cmake@3.9:', type='build')
+    depends_on("mpi", when="+mpi")
+
+    root_cmakelists_dir = 'src'
+
+    def install(self, spec, prefix):
+        """
+        Build and install APComp
+        """
+        with working_dir('spack-build', create=True):
+            host_cfg_fname = self.create_host_config(spec,
+                                                     prefix)
+            cmake_args = []
+            # if we have a static build, we need to avoid any of
+            # spack's default cmake settings related to rpaths
+            # (see: https://github.com/LLNL/spack/issues/2658)
+            if "+shared" in spec:
+                cmake_args.extend(std_cmake_args)
+            else:
+                for arg in std_cmake_args:
+                    if arg.count("RPATH") == 0:
+                        cmake_args.append(arg)
+            cmake_args.extend(["-C", host_cfg_fname, "../src"])
+            print("Configuring APComp...")
+            cmake(*cmake_args)
+            print("Building APComp...")
+            make()
+            print("Installing APComp...")
+            make("install")
+            # install copy of host config for provenance
+            install(host_cfg_fname, prefix)
+
+    def create_host_config(self, spec, prefix):
+        """
+        This method creates a 'host-config' file that specifies
+        all of the options used to configure and build apcomp.
+        """
+
+        #######################
+        # Compiler Info
+        #######################
+        c_compiler = env["SPACK_CC"]
+        cpp_compiler = env["SPACK_CXX"]
+
+        #######################################################################
+        # We directly fetch the names of the actual compilers to create a
+        # 'host config' file that works outside of the spack install env.
+        #######################################################################
+
+        sys_type = spec.architecture
+        # if on llnl systems, we can use the SYS_TYPE
+        if "SYS_TYPE" in env:
+            sys_type = env["SYS_TYPE"]
+
+        ##############################################
+        # Find and record what CMake is used
+        ##############################################
+
+        if "+cmake" in spec:
+            cmake_exe = spec['cmake'].command.path
+        else:
+            cmake_exe = which("cmake")
+            if cmake_exe is None:
+                msg = 'failed to find CMake (and cmake variant is off)'
+                raise RuntimeError(msg)
+            cmake_exe = cmake_exe.path
+
+        host_cfg_fname = "%s-%s-%s-apcomp.cmake" % (socket.gethostname(),
+                                                    sys_type,
+                                                    spec.compiler)
+
+        cfg = open(host_cfg_fname, "w")
+        cfg.write("##################################\n")
+        cfg.write("# spack generated host-config\n")
+        cfg.write("##################################\n")
+        cfg.write("# {0}-{1}\n".format(sys_type, spec.compiler))
+        cfg.write("##################################\n\n")
+
+        # Include path to cmake for reference
+        cfg.write("# cmake from spack \n")
+        cfg.write("# cmake executable path: %s\n\n" % cmake_exe)
+
+        #######################
+        # Compiler Settings
+        #######################
+        cfg.write("#######\n")
+        cfg.write("# using %s compiler spec\n" % spec.compiler)
+        cfg.write("#######\n\n")
+        cfg.write("# c compiler used by spack\n")
+        cfg.write(cmake_cache_entry("CMAKE_C_COMPILER", c_compiler))
+        cfg.write("# cpp compiler used by spack\n")
+        cfg.write(cmake_cache_entry("CMAKE_CXX_COMPILER", cpp_compiler))
+
+        # shared vs static libs
+        if "+shared" in spec:
+            cfg.write(cmake_cache_entry("BUILD_SHARED_LIBS", "ON"))
+        else:
+            cfg.write(cmake_cache_entry("BUILD_SHARED_LIBS", "OFF"))
+
+        if "+openmp" in spec:
+            cfg.write(cmake_cache_entry("ENABLE_OPENMP", "ON"))
+        else:
+            cfg.write(cmake_cache_entry("ENABLE_OPENMP", "OFF"))
+
+        if "+mpi" in spec:
+            mpicc_path = spec['mpi'].mpicc
+            mpicxx_path = spec['mpi'].mpicxx
+            mpifc_path = spec['mpi'].mpifc
+            # if we are using compiler wrappers on cray systems
+            # use those for mpi wrappers, b/c  spec['mpi'].mpicxx
+            # etc make return the spack compiler wrappers
+            # which can trip up mpi detection in CMake 3.14
+            if cpp_compiler == "CC":
+                mpicc_path = "cc"
+                mpicxx_path = "CC"
+                mpifc_path = "ftn"
+            cfg.write(cmake_cache_entry("ENABLE_MPI", "ON"))
+            cfg.write(cmake_cache_entry("MPI_C_COMPILER", mpicc_path))
+            cfg.write(cmake_cache_entry("MPI_CXX_COMPILER", mpicxx_path))
+            cfg.write(cmake_cache_entry("MPI_Fortran_COMPILER", mpifc_path))
+            mpiexe_bin = join_path(spec['mpi'].prefix.bin, 'mpiexec')
+            if os.path.isfile(mpiexe_bin):
+                # starting with cmake 3.10, FindMPI expects MPIEXEC_EXECUTABLE
+                # vs the older versions which expect MPIEXEC
+                if self.spec["cmake"].satisfies('@3.10:'):
+                    cfg.write(cmake_cache_entry("MPIEXEC_EXECUTABLE",
+                                                mpiexe_bin))
+                else:
+                    cfg.write(cmake_cache_entry("MPIEXEC",
+                                                mpiexe_bin))
+        else:
+            cfg.write(cmake_cache_entry("ENABLE_MPI", "OFF"))
+
+        cfg.write("##################################\n")
+        cfg.write("# end spack generated host-config\n")
+        cfg.write("##################################\n")
+        cfg.close()
+
+        host_cfg_fname = os.path.abspath(host_cfg_fname)
+        tty.info("spack generated conduit host-config file: " + host_cfg_fname)
+        return host_cfg_fname