Default PETSc BLAS/LAPACK to vecLib on macOS

Author: boyceg

autoibamr.sh

@@ -140,8 +140,11 @@ IBAMR_VERSION=0.19.0
 JOBS=1
 NATIVE_OPTIMIZATIONS=OFF
 NATIVE_OPTIMIZATION_FLAGS="-march=native"
-PETSC_LAPACK_LIBRARY=openblas
-PETSC_LAPACK_LIBRARY_USER_SET=OFF
+if [ "$(guess_ostype)" = "macos" ]; then
+    PETSC_LAPACK_LIBRARY=veclib
+else
+    PETSC_LAPACK_LIBRARY=openblas
+fi
 PREFIX=~/autoibamr
 USER_PREFIX_SET=OFF
 USER_INTERACTION=ON
@@ -308,12 +311,10 @@ while [ -n "$1" ]; do
         --lapack-library)
             shift
             PETSC_LAPACK_LIBRARY="${1}"
-            PETSC_LAPACK_LIBRARY_USER_SET=ON
         ;;
 
         --lapack-library=*)
             PETSC_LAPACK_LIBRARY="${param#*=}"
-            PETSC_LAPACK_LIBRARY_USER_SET=ON
         ;;
 
         #####################################
@@ -444,11 +445,6 @@ if [ -z "${PLATFORM_OSTYPE}" ]; then
         exit 1
 fi
 
-# Default PETSc BLAS/LAPACK backend to Apple's vecLib on macOS.
-if [ "${PLATFORM_OSTYPE}" = "macos" ] && [ "${PETSC_LAPACK_LIBRARY_USER_SET}" = "OFF" ]; then
-    PETSC_LAPACK_LIBRARY=veclib
-fi
-
 # Guess dynamic shared library file extension -> LDSUFFIX
 if [ ${PLATFORM_OSTYPE} == "linux" ]; then
     LDSUFFIX=so