From 6cbb6063c48095b6c0417d1830b602e3c223fff3 Mon Sep 17 00:00:00 2001
From: Chris Green <greenc@fnal.gov>
Date: Thu, 30 May 2024 17:44:58 -0500
Subject: [PATCH] Better detection of compiler environments

---
 bin/build-spack-env.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/build-spack-env.sh b/bin/build-spack-env.sh
index de90208..372d215 100755
--- a/bin/build-spack-env.sh
+++ b/bin/build-spack-env.sh
@@ -955,7 +955,7 @@ _process_environment() {
   #
   # then note that fact.
   (( ++env_idx ))
-  [[ "$env_spec"  =~ ^$known_compilers_re([~+@%[:space:]].*)?$ ]] \
+  [[ "$env_spec"  =~ ^$known_compilers_re[@-][0-9] ]] \
     && is_compiler_env=1 \
     && (( num_environments > env_idx )) \
     && is_nonterminal_compiler_env=1