Index: /issm/trunk-jpl/externalpackages/petsc/install-3.14-win-msys2-mingw-msmpi-static.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/petsc/install-3.14-win-msys2-mingw-msmpi-static.sh	(revision 27995)
+++ /issm/trunk-jpl/externalpackages/petsc/install-3.14-win-msys2-mingw-msmpi-static.sh	(revision 27996)
@@ -73,6 +73,6 @@
 	--with-proc-filesystem=0 \
 	--with-mpiexec="${MPIEXEC_DIR}/mpiexec.exe" \
-	--with-mpi-lib=["-L${MSMPI_ROOT}/lib","-lmsmpi"] \
-	--with-mpi-include=["${MSMPI_ROOT}/include"] \
+	--with-mpi-lib="-L${MSMPI_ROOT}/lib -lmsmpi" \
+	--with-mpi-include="${MSMPI_ROOT}/include" \
 	--download-fblaslapack=1 \
 	--download-metis=1 \
Index: /issm/trunk-jpl/externalpackages/petsc/install-3.14-win-msys2-mingw-msmpi.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/petsc/install-3.14-win-msys2-mingw-msmpi.sh	(revision 27995)
+++ /issm/trunk-jpl/externalpackages/petsc/install-3.14-win-msys2-mingw-msmpi.sh	(revision 27996)
@@ -62,4 +62,5 @@
 	--prefix="${PREFIX}" \
 	--PETSC_DIR="${PETSC_DIR}" \
+	--PETSC_ARCH="${PETSC_ARCH}" \
 	--CFLAGS="-fPIC -Wno-error=implicit-function-declaration" \
 	--CXXFLAGS="-fPIC" \
@@ -72,6 +73,6 @@
 	--with-proc-filesystem=0 \
 	--with-mpiexec="${MPIEXEC_DIR}/mpiexec.exe" \
-	--with-mpi-lib=["-L${MSMPI_ROOT}/lib","-lmsmpi"] \
-	--with-mpi-include=["${MSMPI_ROOT}/include"] \
+	--with-mpi-lib="-L${MSMPI_ROOT}/lib -lmsmpi" \
+	--with-mpi-include="${MSMPI_ROOT}/include" \
 	--download-fblaslapack=1 \
 	--download-metis=1 \