Make libomp use the llvm-snapshot-builder

.copr/Makefile

@@ -0,0 +1,11 @@
+# See https://docs.pagure.org/copr.copr/user_documentation.html#make-srpm
+# See for the --setopt option in the enabling of copr repo see:
+# https://pagure.io/copr/copr/issue/184
+.PHONY: srpm
+srpm:
+	dnf install -y dnf-plugins-core fedora-packager
+	dnf copr enable -y --setopt=reposdir=/tmp/yum.repos.d @fedora-llvm-team/llvm-snapshot-builder
+	dnf install -y --setopt=reposdir=/tmp/yum.repos.d llvm-snapshot-builder
+	rpmdev-spectool --get-files --all --sourcedir libomp.spec
+	rpmbuild -bs libomp.spec
+	find $(shell rpm --eval "%{_srcrpmdir}") -name "*.src.rpm" -exec cp {} $(outdir) \;

libomp.spec

@@ -1,3 +1,11 @@
+%bcond_without snapshot_build
+
+%if %{with snapshot_build}
+# Unlock LLVM Snapshot LUA functions
+%{llvm_sb_verbose}
+%{llvm_sb}
+%endif
+
 %global libomp_version 13.0.1
 %global rc_ver 1
 %global libomp_srcdir openmp-%{libomp_version}%{?rc_ver:rc%{rc_ver}}.src