make libibverbs/rdma-core in getdeps buildable from source

Summary:
X-link: https://github.com/facebookexternal/rdma_gen/pull/16

Recent changes expect rdma-core-60 as an available build dependency, so :
1. alter the libibverbs manifest to enable building from source, where the trickiness of building from source is that we need to configure the runtime path for ibacm to be shorter than the getdeps default hash-including path.
2. include rdma-core in libibverbs since a from-source build would create it and we shouldn't have to build from source twice if we want both packages.
3. update the github actions without allow-system-deps so we're more likely to build.

Reviewed By: anikravesh, ccanel

Differential Revision: D88520301

fbshipit-source-id: 66cecc410e89d224594ba30170df06ef925657bb

Author: nspring

build/fbcode_builder/CMake/Findibverbs.cmake

@@ -0,0 +1,29 @@
+# Find the ibverbs libraries
+#
+# The following variables are optionally searched for defaults
+#  IBVERBS_ROOT_DIR: Base directory where all ibverbs components are found
+#  IBVERBS_INCLUDE_DIR: Directory where ibverbs headers are found
+#  IBVERBS_LIB_DIR: Directory where ibverbs libraries are found
+
+# The following are set after configuration is done:
+#  IBVERBS_FOUND
+#  IBVERBS_INCLUDE_DIRS
+#  IBVERBS_LIBRARIES
+
+find_path(IBVERBS_INCLUDE_DIRS
+  NAMES infiniband/verbs.h
+  HINTS
+  ${IBVERBS_INCLUDE_DIR}
+  ${IBVERBS_ROOT_DIR}
+  ${IBVERBS_ROOT_DIR}/include)
+
+find_library(IBVERBS_LIBRARIES
+  NAMES ibverbs
+  HINTS
+  ${IBVERBS_LIB_DIR}
+  ${IBVERBS_ROOT_DIR}
+  ${IBVERBS_ROOT_DIR}/lib)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(ibverbs DEFAULT_MSG IBVERBS_INCLUDE_DIRS IBVERBS_LIBRARIES)
+mark_as_advanced(IBVERBS_INCLUDE_DIRS IBVERBS_LIBRARIES)

build/fbcode_builder/manifests/libibverbs

@@ -3,6 +3,26 @@ name = libibverbs
 
 [debs]
 libibverbs-dev
+rdma-core
 
 [rpms]
 libibverbs
+rdma-core-devel
+
+[download]
+url = https://github.com/linux-rdma/rdma-core/releases/download/v60.0/rdma-core-60.0.tar.gz
+sha256 = 9b1b892e4eaaaa5dfbade07a290fbf5079e39117724fa1ef80d0ad78839328de
+
+[build]
+builder = cmake
+subdir = rdma-core-60.0
+
+[dependencies]
+libnl
+
+[cmake.defines]
+NO_MAN_PAGES=1
+NO_PYVERBS=1
+ENABLE_RESOLVE_NEIGH=0
+# Use absolute short path for runtime dir to avoid Unix socket path length limit (108 chars)
+CMAKE_INSTALL_RUNDIR=/tmp/ibacm