ci: Enable FindOpenMP tests on macOS Ninja and Makefiles jobs

Since Apple does not distribute the OpenMP header and library
with its AppleClang compiler, download them as part of the jobs.

1 files changed, 32 insertions, 0 deletions

diff --git a/.gitlab/ci/openmp.sh b/.gitlab/ci/openmp.sh
new file mode 100755
index 0000000..f411338
--- /dev/null
+++ b/.gitlab/ci/openmp.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+set -e
+
+baseurl="https://cmake.org/files/dependencies/openmp"
+
+case "$(uname -s)-$(uname -m)" in
+    Darwin-*)
+        shatool="shasum -a 256"
+        sha256sum="6eef660db7a085a04f87e4aac79da9f37d26ff0fb17c8781d3a21bd5244997e9"
+        filename="openmp-12.0.1-darwin20-Release"
+        # tarball contains usr/local/
+        strip_components=--strip-components=2
+        ;;
+    *)
+        echo "Unrecognized platform $(uname -s)-$(uname -m)"
+        exit 1
+        ;;
+esac
+readonly shatool
+readonly sha256sum
+
+readonly tarball="$filename.tar.gz"
+
+cd .gitlab
+mkdir -p openmp
+
+echo "$sha256sum  $tarball" > openmp.sha256sum
+curl -OL "$baseurl/$tarball"
+$shatool --check openmp.sha256sum
+tar -C openmp $strip_components -xzf $tarball
+rm $tarball openmp.sha256sum