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diff -Naur spack-src/config spack-src.patched/config
--- spack-src/config 2020-08-05 13:51:21.000000000 -0400
+++ spack-src.patched/config 2021-12-30 17:59:44.574264378 -0500
@@ -501,7 +501,12 @@
echo "Using $PYTHON_CONFIG to configure Python."
PYTHON_PREFIX=$($PYTHON_CONFIG --prefix)
PYTHON_INCFLAGS=$($PYTHON_CONFIG --includes)
- PYTHON_LDFLAGS=$($PYTHON_CONFIG --ldflags)
+ # Payerle 2021-12-30: python@3.8 python-config omits -lpython unless --embed given
+ # Try first with embed, and if fails, try w/out embed
+ PYTHON_LDFLAGS=$($PYTHON_CONFIG --ldflags --embed)
+ if echo "$PYTHON_LDFLAGS" | grep -q '^Usage'; then
+ PYTHON_LDFLAGS=$($PYTHON_CONFIG --ldflags)
+ fi
if ! echo "$PYTHON_LDFLAGS" | grep -q -- '-L'; then
echo "$PYTHON_CONFIG did not return a -L flag: using Anaconda?"
if [ -d "$PYTHON_PREFIX/lib" ]; then
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