Added openmpi. pmix with external libevent

Compiler/openmpi/build

@@ -13,6 +13,8 @@ pbuild::install_docfiles 'AUTHORS' 'LICENSE' 'NEWS' 'README'
 
 
 pbuild::pre_configure() {
+        unset PMIX_VERSION
+
 	if [[ -n "${CUDA_VERSION}" ]]; then	
 		pbuild::add_configure_args "--with-cuda=${CUDA_HOME}"
 	fi
@@ -25,6 +27,10 @@ pbuild::pre_configure() {
        	pbuild::add_configure_args "--with-hwloc=internal"
 	pbuild::add_configure_args "--with-slurm=yes"
 	pbuild::add_configure_args "--with-ucx=${UCX_PREFIX}"
+	pbuild::add_configure_args "--with-ofi-libdir=${LIBFABRIC_LIBRARY_DIR}"
+	pbuild::add_configure_args "--with-ofi=${LIBFABRIC_PREFIX}"
+	pbuild::add_configure_args "--with-pmix=${PMIX_PREFIX}"
+        pbuild::add_configure_args "--with-pmix-libdir=${PMIX_LIBRARY_DIR}"
 
         if pbuild::use_flag slurm || pbuild::use_flag dgx || pbuild::use_flag merlin6; then
 		pbuild::add_configure_args "--with-pmi"

Compiler/openmpi/files/variants.merlin6

@@ -31,5 +31,6 @@ openmpi/4.0.5-2_slurm   unstable   gcc/10.2.0 cuda/11.3.0 b:ucx/1.11.0_slurm
 openmpi/4.0.5-1_dgx     unstable   gcc/{8.4.0,9.3.0,10.2.0} cuda/11.2.2 b:ucx/1.10.0-1_dgx
 openmpi/4.1.0-1_dgx     unstable   gcc/10.2.0 cuda/11.2.2 b:ucx/1.10.0-1_dgx
 
+openmpi/4.1.1_merlin6   unstable   gcc/10.2.0 cuda/11.3.0 libfabric/1.13.0 ucx/1.11.0_slurm pmix/3.2.3 b:libevent/2.1.12 
 
 openmpi/4.0.4_slurm_libpmix unstable gcc/9.3.0

Libraries/pmix/files/variants.merlin6

-pmix/1.2.5          unstable     
-pmix/2.2.5          unstable     
-pmix/3.2.3          unstable     
+pmix/1.2.5   unstable b:libevent/2.1.12    
+pmix/2.2.5   unstable b:libevent/2.1.12        
+pmix/3.2.3   unstable b:libevent/2.1.12