Add GPI-2 library for the development of scalable, parallel applications (#4916)

* Add build script for the GPI-2 library

* Add comment on necessity of `FileProduct`s

Author: sloede

G/GPI2/build_tarballs.jl

@@ -0,0 +1,50 @@
+# Note that this script can accept some limited command-line arguments, run
+# `julia build_tarballs.jl --help` to see a usage message.
+using BinaryBuilder, Pkg
+
+name = "GPI2"
+version = v"1.5.1"
+
+# Collection of sources required to complete build
+sources = [
+    ArchiveSource("https://github.com/cc-hpc-itwm/GPI-2/archive/refs/tags/v$(version).tar.gz", "4dac7e9152694d2ec4aefd982a52ecc064a8cb8f2c9eab0425428127c3719e2e")
+]
+
+# Bash recipe for building across all platforms
+script = raw"""
+cd $WORKSPACE/srcdir
+cd GPI-2-*
+./autogen.sh
+./configure --prefix=$prefix --build=${MACHTYPE} --host=${target} --without-fortran --with-ethernet
+make -j${nproc}
+make install
+"""
+
+# These are the platforms we will build for by default, unless further
+# platforms are passed in on the command line
+platforms = [
+    Platform("x86_64", "linux"; libc = "glibc"),
+    Platform("aarch64", "linux"; libc = "glibc"),
+    Platform("powerpc64le", "linux"; libc = "glibc")
+]
+
+
+# The products that we will ensure are always built
+products = [
+    LibraryProduct("libGPI2-stats", :libGPI2_stats),
+    LibraryProduct("libGPI2-dbg", :libGPI2_dbg),
+    LibraryProduct("libGPI2", :libGPI2),
+    ExecutableProduct("gaspi_logger", :gaspi_logger),
+    # The following are shell scripts that are required for GPI-2 to work,
+    # thus they are added as `FileProduct`s
+    FileProduct("bin/gaspi_run", :gaspi_run),
+    FileProduct("bin/gaspi_cleanup", :gaspi_cleanup),
+    FileProduct("bin/ssh.spawner", :ssh_spawner),
+]
+
+# Dependencies that must be installed before this package can be built
+dependencies = Dependency[
+]
+
+# Build the tarballs, and possibly a `build.jl` as well.
+build_tarballs(ARGS, name, version, sources, script, platforms, products, dependencies; julia_compat="1.6")