From 3ad3ebaf7073abbc9708d50aff429cafc949aafd Mon Sep 17 00:00:00 2001
From: Louis Smith <>
Date: Fri, 15 May 2026 12:02:20 -0400
Subject: [PATCH 1/2] conda_build.sh: wipe stale CMakeCache; abort install on
 build failure

---
 conda_build.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/conda_build.sh b/conda_build.sh
index 7fb3d135..cdf7d402 100755
--- a/conda_build.sh
+++ b/conda_build.sh
@@ -108,7 +108,8 @@ source $CONDA_BASE/etc/profile.d/conda.sh
 conda activate $envname
 
 if [[ -d build ]] ; then
-    echo "Warning- using existing build directory"
+    echo "Warning- using existing build directory; clearing CMakeCache.txt to force a fresh configure against $CONDA_PREFIX"
+    rm -f build/CMakeCache.txt
 else
     mkdir build
 fi
@@ -118,7 +119,10 @@ echo "*** Configuring LOOS ***"
 cmake -DCMAKE_INSTALL_PREFIX=${CONDA_PREFIX} ..
 
 echo "*** Building LOOS ***"
-cmake --build . -j${numprocs}
+if ! cmake --build . -j${numprocs} ; then
+    echo "*** LOOS build failed; skipping install ***"
+    exit 1
+fi
 
 if [[ ${do_install} ]]; then
     echo  "*** Installing LOOS ***"

From 86432953889aa9c65d1aaf10578c7f2df0a6d4ab Mon Sep 17 00:00:00 2001
From: Louis Smith <>
Date: Fri, 15 May 2026 12:32:26 -0400
Subject: [PATCH 2/2] conda_build.sh: tee build output to build.log for failure
 diagnosis

---
 conda_build.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/conda_build.sh b/conda_build.sh
index cdf7d402..001136fd 100755
--- a/conda_build.sh
+++ b/conda_build.sh
@@ -119,8 +119,9 @@ echo "*** Configuring LOOS ***"
 cmake -DCMAKE_INSTALL_PREFIX=${CONDA_PREFIX} ..
 
 echo "*** Building LOOS ***"
-if ! cmake --build . -j${numprocs} ; then
-    echo "*** LOOS build failed; skipping install ***"
+set -o pipefail
+if ! cmake --build . -j${numprocs} 2>&1 | tee build.log ; then
+    echo "*** LOOS build failed; full output in build/build.log ***"
     exit 1
 fi