diff --git a/src/config/makefile.h b/src/config/makefile.h
index fbc06dbdfc..9e72aae2e1 100644
--- a/src/config/makefile.h
+++ b/src/config/makefile.h
@@ -292,9 +292,6 @@ ifdef BUILD_SCALAPACK
         $(error )
     endif
 
-    ifndef SCALAPACK_SIZE
-        SCALAPACK_SIZE=8
-    endif
     SCALAPACK=-L$(NWCHEM_TOP)/src/libext/lib -lnwc_scalapack
 endif
 
@@ -2456,12 +2453,12 @@ ifneq ($(TARGET),LINUX)
 #
                 ifeq ($(_IFCV15ORNEWER), Y)
 		  IFORTVER=$(shell ifort -v 2>&1|cut -d " " -f 3)
-                ifeq ($(IFORTVER),2021.7.0)
-                   $(info     )
-                   $(info     ifort 2021.7.0 not validated)
-                   $(info     )
-                   $(error )
-                endif
+#                ifeq ($(IFORTVER),2021.7.0)
+#                   $(info     )
+#                   $(info     ifort 2021.7.0 not validated)
+#                   $(info     )
+#                   $(error )
+#                endif
 #                   fpp seems to get lost with ifort 15 in the offload bit
 #                   only use EXPLICITF for offload because otherwise we want debugging to be easy
 #                   FOPTIONS +=  -Qoption,fpp,-P -Qoption,fpp,-c_com=no  -allow nofpp_comments 
@@ -3884,8 +3881,24 @@ ifeq ($(shell echo $(BLASOPT) |awk '/lblas/ {print "Y"; exit}'),Y)
     DEFINES += -DBLAS_NOTHREADS
 endif
 
-ifndef BLAS_SIZE
-    LIB_DEFINES += -DUSE_INTEGER8
+ifneq ($(or $(SCALAPACK),$(SCALAPACK_LIB)),)
+   ifndef SCALAPACK_SIZE
+      $(info     )
+      $(info You must set)
+      $(info SCALAPACK_SIZE)
+      $(info )
+      $(error )
+   endif
+endif
+ifneq ($(or $(BLASOPT),$(BLAS_LIB)),)
+   ifndef BLAS_SIZE
+      $(info     )
+      $(info You must set)
+      $(info BLAS_SIZE)
+      $(info see https://nwchemgit.github.io/Compiling-NWChem.html#how-to-deal-with-integer-size-of-linear-algebra-libraries)
+      $(info )
+      $(error )
+   endif
 endif
 ifeq ($(BLAS_SIZE),8)
     LIB_DEFINES += -DUSE_INTEGER8
diff --git a/src/libext/libxc/GNUmakefile b/src/libext/libxc/GNUmakefile
index 59045b817c..79e77784bf 100644
--- a/src/libext/libxc/GNUmakefile
+++ b/src/libext/libxc/GNUmakefile
@@ -6,7 +6,7 @@
 include ../../config/makefile.h
 
 install/lib/libxc.a:
-	./build_libxc.sh 
+	./build_libxc.sh $(LIBXC_VERSION)
 
 LIB_TARGETS += libxc
 
diff --git a/src/libext/libxc/build_libxc.sh b/src/libext/libxc/build_libxc.sh
index 01eafc33cf..efc8e5b13f 100755
--- a/src/libext/libxc/build_libxc.sh
+++ b/src/libext/libxc/build_libxc.sh
@@ -7,8 +7,19 @@ check_tgz() {
     [ -f $1 ] && gunzip -t $1 > /dev/null && myexit=1
     echo $myexit
 }
-
-VERSION=6.0.0
+if [ $# -eq 0 ];  then
+    VERSION=6.0.0
+else
+    VERSION=$1
+fi
+VERSION_MAJOR=$(echo $VERSION | cut -d . -f 1)
+if [[ "$VERSION_MAJOR" -lt 4 ]]; then
+    echo
+    echo "LIBXC unsupported version " "$VERSION"
+    echo "please use 4.0.0 and later versions"
+    echo
+    exit  1
+fi
 TGZ=libxc-${VERSION}.tar.gz
 if [ `check_tgz $TGZ` == 1 ]; then
     echo "using existing $TGZ"
@@ -78,7 +89,7 @@ fi
 
 cd libxc
 # patch pk09 to avoid compiler  memory problems
-patch -p0 -N < ../pk09.patch
+#patch -p0 -N < ../pk09.patch
 mkdir -p build
 cd build
 if [[ -z "${NWCHEM_TOP}" ]]; then
diff --git a/src/libext/tblite/build_tblite_cmake.sh b/src/libext/tblite/build_tblite_cmake.sh
index d20ff4bb74..a0653c1bc7 100755
--- a/src/libext/tblite/build_tblite_cmake.sh
+++ b/src/libext/tblite/build_tblite_cmake.sh
@@ -21,11 +21,11 @@ if [ `check_tgz $TGZ` == 1 ]; then
     echo "using existing $TGZ"
 else
     rm -rf tblite*
-    curl -L https://github.com/dmejiar/tblite/tarball/${VERSION} -o $TGZ
+    curl  -sS -L https://github.com/dmejiar/tblite/tarball/${VERSION} -o $TGZ
 fi
 
 tar -xzf tblite-${VERSION}.tar.gz
-ln -sf dmejiar-tblite-??????? tblite
+ln -sf *tblite-??????? tblite
 
 
 if [[ -z "${MPIF90}" ]]; then
@@ -202,6 +202,19 @@ if [[ -z "$USE_OPENMP" ]]; then
 else
   DOOPENMP=ON
 fi
+# 2022 Intel compilers generate buggy code when USE_OPENMP=1
+if [[ ${FC} == ifort ]] || [[ ${FC} == ifx ]]; then
+    IFORTVER=$(ifort -v 2>&1|cut -d " " -f 3)
+    IFORTVER_YEAR=$(echo $IFORTVER | cut -d . -f 1)
+    if [[ "$IFORTVER_YEAR" -gt "2021" ]]; then
+	DOOPENMP=OFF
+    fi
+    if [[ ${FC} -eq "ifx" ]]; then
+	DOOPENMP=OFF
+    fi
+fi
+
+
 
 cd tblite
 rm -rf _build
diff --git a/travis/build_env.sh b/travis/build_env.sh
index be47736633..c7aa162b30 100755
--- a/travis/build_env.sh
+++ b/travis/build_env.sh
@@ -43,10 +43,10 @@ echo DISTR is "$DISTR"
 	 else
 	mkdir -p ~/mntdmg $IONEAPI_ROOT || true
 	cd ~/Downloads
-	dir_base="18675"
-	dir_hpc="18681"
-	base="m_BaseKit_p_2022.2.0.226"
-	hpc="m_HPCKit_p_2022.2.0.158"
+	dir_base="18971"
+	dir_hpc="18977"
+	base="m_BaseKit_p_2022.3.1.17244"
+	hpc="m_HPCKit_p_2022.3.1.15344"
 	curl -sS -LJO https://registrationcenter-download.intel.com/akdlm/irc_nas/"$dir_base"/"$base".dmg
 	curl -sS -LJO https://registrationcenter-download.intel.com/akdlm/irc_nas/"$dir_hpc"/"$hpc".dmg
 	echo "installing BaseKit"
@@ -117,10 +117,10 @@ fi
 	export TERM=dumb
         rm -f l_Base*sh l_HP*sh
         tries=0 ; until [ "$tries" -ge 10 ] ; do \
-	dir_base="18673"
-	dir_hpc="18679"
-	base="l_BaseKit_p_2022.2.0.262"
-	hpc="l_HPCKit_p_2022.2.0.191"
+	dir_base="18970"
+	dir_hpc="18975"
+	base="l_BaseKit_p_2022.3.1.17310"
+	hpc="l_HPCKit_p_2022.3.1.16997"
         wget -nv https://registrationcenter-download.intel.com/akdlm/irc_nas/"$dir_hpc"/"$hpc".sh \
         && wget -nv  https://registrationcenter-download.intel.com/akdlm/irc_nas/"$dir_base"/"$base".sh \
 	    && break ;\