diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 38fdfb66..fe61eec5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -68,10 +68,10 @@ jobs:
             os: macOS-10.15
             mode: Debug
             enable_python: on
-          #- name: "Windows Debug"
-          #  os: windows-2019
-          #  mode: Debug
-          #  enable_python: on
+          - name: "Windows Debug"
+            os: windows-2019
+            mode: Debug
+            enable_python: on
           - name: "Octave Linux"
             os: ubuntu-20.04
             mode: Release
diff --git a/.travis-ci/common/before_script.sh b/.travis-ci/common/before_script.sh
index 9d76efd2..a9af9ccb 100755
--- a/.travis-ci/common/before_script.sh
+++ b/.travis-ci/common/before_script.sh
@@ -31,6 +31,16 @@ if [[ "$DEBUG_CI" == "true" ]]; then
     else
       echo "No Fortran compiler command found"
     fi
+    
+    echo "------------------------------------"
+
+    if ( R CMD config FC >/dev/null 2>&1 ); then
+      FC=$(R CMD config FC | awk '{ print $1 }')
+      echo "R Fortran config: ${FC}"
+      ${FC} --version 2>&1 | sed 's/^/  /'
+    else
+      echo "No R Fortran compiler command found"
+    fi
 
     echo "------------------------------------"
 
diff --git a/.travis-ci/linux-macos/build.sh b/.travis-ci/linux-macos/build.sh
index 6d6eed9e..d8b4a339 100755
--- a/.travis-ci/linux-macos/build.sh
+++ b/.travis-ci/linux-macos/build.sh
@@ -51,10 +51,21 @@ case "$COMPILER" in
     ;;
 esac
 
+if [[ -z ${CMAKE_Fortran_COMPILER} ]]; then
+  CMAKE_Fortran_COMPILER="$(R CMD config FC | awk '{ print $1 }')"
+fi
+
+if [[ -z ${Fortran_LINK_FLAGS} ]]; then
+  Fortran_LINK_FLAGS="$(R CMD config FLIBS)"
+fi
+
+
 mkdir -p ${BUILD_DIR:-build}
 cd ${BUILD_DIR:-build}
 cmake \
   -G "Unix Makefiles" \
+  -DCMAKE_Fortran_COMPILER="${CMAKE_Fortran_COMPILER}" \
+  -DFortran_LINK_FLAGS="${Fortran_LINK_FLAGS}" \
   -DCMAKE_BUILD_TYPE="${MODE}" \
   -DENABLE_COVERAGE="${ENABLE_COVERAGE}" \
   -DENABLE_MEMCHECK="${ENABLE_MEMCHECK}" \
diff --git a/.travis-ci/windows/build.sh b/.travis-ci/windows/build.sh
index 021abc2a..295c83ae 100755
--- a/.travis-ci/windows/build.sh
+++ b/.travis-ci/windows/build.sh
@@ -30,10 +30,20 @@ export EXTRA_SYSTEM_LIBRARY_PATH=${HOME}/Miniconda3/Library/lib
 # export EXTRA_SYSTEM_LIBRARY_PATH="C:/Program Files/MATLAB/R2022a/extern/lib/win64/microsoft"
 # EXTRA_CMAKE_OPTIONS="${EXTRA_CMAKE_OPTIONS} -DBLAS_NAMES=libmwblas -DLAPACK_NAMES=libmwlapack"
 
+if [[ -z ${CMAKE_Fortran_COMPILER} ]]; then
+  CMAKE_Fortran_COMPILER="$(R CMD config FC | awk '{ print $1 }')"
+fi
+
+if [[ -z ${Fortran_LINK_FLAGS} ]]; then
+  Fortran_LINK_FLAGS="$(R CMD config FLIBS)"
+fi
+
+
 mkdir -p ${BUILD_DIR:-build}
 cd ${BUILD_DIR:-build}
 cmake \
-  -DCMAKE_Fortran_COMPILER=$(command -v gfortran) \
+  -DCMAKE_Fortran_COMPILER="${CMAKE_Fortran_COMPILER}" \
+  -DFortran_LINK_FLAGS="${Fortran_LINK_FLAGS}" \
   -DCMAKE_GENERATOR_PLATFORM=x64 \
   -DEXTRA_SYSTEM_LIBRARY_PATH="${EXTRA_SYSTEM_LIBRARY_PATH}" \
   -DENABLE_OCTAVE_BINDING=${ENABLE_OCTAVE_BINDING} \
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 207f7056..86a795b7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,6 @@ project(libKriging
 #------------------------------------------------------
 
 enable_language(CXX)
-enable_language(Fortran)
 
 #------------------------------------------------------
 
@@ -170,6 +169,9 @@ include_directories(SYSTEM ${CMAKE_BINARY_DIR}/dependencies/optim/header_only_ve
 
 add_library(blas ALIAS armadillo) # to use armadillo blas inside lbfgsb_cpp
 add_subdirectory(dependencies/lbfgsb_cpp)
+#set(lbfgsb_INSTALL_DIR "${CMAKE_BINARY_DIR}/lbfgsb-installed")
+#set(lbfgsb_DIR "${lbfgsb_INSTALL_DIR}/lib/cmake/lbfgsb")
+#find_package(lbfgsb CONFIG REQUIRED)
 
 #------------------------------------------------------
 
diff --git a/bindings/R/rlibkriging/src/Makevars b/bindings/R/rlibkriging/src/Makevars
index cd3cf3f3..db6ca057 100644
--- a/bindings/R/rlibkriging/src/Makevars
+++ b/bindings/R/rlibkriging/src/Makevars
@@ -27,14 +27,14 @@ else
 	LIB_SUFFIX=a
 endif
 
-ARMA_LIBS=$(shell ../../tools/ArmaLibsExtractor.sh)
+EXTERNAL_LIBS=$(shell ../../tools/ExternalLibsExtractor.sh)
 
 CXX_STD = CXX11
 
 #PKG_CFLAGS=
 PKG_CPPFLAGS=-I${LIBKRIGING_PATH}/include -include "libKriging/utils/lkalloc.hpp" -DARMA_ALIEN_MEM_ALLOC_FUNCTION=lkalloc::malloc -DARMA_ALIEN_MEM_FREE_FUNCTION=lkalloc::free
 # https://stackoverflow.com/questions/49154506/understanding-makevars-for-linking-to-external-c-library-in-r-package
-PKG_LIBS=-L${LIBKRIGING_PATH}/lib -lKriging -larmadillo -llbfgsb_cpp $(EXTRA_PKG_LIBS) $(ARMA_LIBS)
+PKG_LIBS=-L${LIBKRIGING_PATH}/lib -lKriging -larmadillo -llbfgsb $(EXTRA_PKG_LIBS) $(EXTERNAL_LIBS)
 MAKEFLAGS=-j$(nproc)
 
 $(SHLIB): .check ${LIBKRIGING_PATH}/lib/libKriging.$(LIB_SUFFIX) ${LIBKRIGING_PATH}/lib/libarmadillo.$(LIB_SUFFIX)
diff --git a/bindings/R/rlibkriging/src/Makevars.win b/bindings/R/rlibkriging/src/Makevars.win
index 611ea118..223157cc 100644
--- a/bindings/R/rlibkriging/src/Makevars.win
+++ b/bindings/R/rlibkriging/src/Makevars.win
@@ -13,9 +13,9 @@ endif
 
 PKG_CFLAGS=
 PKG_CPPFLAGS=-I${LIBKRIGING_PATH}/include -include "libKriging/utils/lkalloc.hpp" -DARMA_ALIEN_MEM_ALLOC_FUNCTION=lkalloc::malloc -DARMA_ALIEN_MEM_FREE_FUNCTION=lkalloc::free
-PKG_CXXFLAGS=-std=c++11 
+PKG_CXXFLAGS=-std=c++11
 # https://stackoverflow.com/questions/49154506/understanding-makevars-for-linking-to-external-c-library-in-r-package
-PKG_LIBS=-L${LIBKRIGING_PATH}/lib -lKriging -larmadillo -llbfgsb_cpp ${EXTRA_SYSTEM_LIBRARY_PATH}/openblas.lib $(EXTRA_PKG_LIBS)
+PKG_LIBS=-L${LIBKRIGING_PATH}/lib -lKriging -larmadillo -llbfgsb ${EXTRA_SYSTEM_LIBRARY_PATH}/openblas.lib $(EXTRA_PKG_LIBS)
 
 $(SHLIB): .check ${LIBKRIGING_PATH}/lib/libKriging.$(LIB_SUFFIX) ${LIBKRIGING_PATH}/lib/libarmadillo.$(LIB_SUFFIX)
 
diff --git a/bindings/R/tools/CMakeLists.txt b/bindings/R/tools/CMakeLists.txt
index 139b2c00..ccfab28b 100644
--- a/bindings/R/tools/CMakeLists.txt
+++ b/bindings/R/tools/CMakeLists.txt
@@ -1,6 +1,15 @@
 cmake_minimum_required(VERSION 3.13)
 project(armadillo_lib_extractor LANGUAGES NONE)
+
 include(${LIBKRIGING_PATH}/share/Armadillo/CMake/ArmadilloLibraryDepends.cmake)
 get_target_property(arma_libs armadillo INTERFACE_LINK_LIBRARIES)
-list(JOIN arma_libs " " lib_str)
-message(STATUS ARMA_LIBS=${lib_str})
+
+include(${LIBKRIGING_PATH}/lib/cmake/lbfgsb/lbfgsbConfig.cmake)
+get_target_property(lbfgsb_libs lbfgsb::lbfgsb INTERFACE_LINK_LIBRARIES)
+
+#include(${LIBKRIGING_PATH}/lib/cmake/lbfgsb_cpp/lbfgsb_cppConfig.cmake)
+#get_target_property(lbfgsb_cpp_libs lbfgsb_cpp::lbfgsb_cpp INTERFACE_LINK_LIBRARIES)
+
+set(external_libs ${arma_libs} ${lbfgsb_libs} ${lbfgsb_cpp_libs})
+list(JOIN external_libs " " lib_str)
+message(STATUS EXTERNAL_LIBS=${lib_str})
diff --git a/bindings/R/tools/ArmaLibsExtractor.sh b/bindings/R/tools/ExternalLibsExtractor.sh
similarity index 72%
rename from bindings/R/tools/ArmaLibsExtractor.sh
rename to bindings/R/tools/ExternalLibsExtractor.sh
index 3130cfbd..e5532cf2 100755
--- a/bindings/R/tools/ArmaLibsExtractor.sh
+++ b/bindings/R/tools/ExternalLibsExtractor.sh
@@ -8,9 +8,9 @@ if [[ ! -d "${LIBKRIGING_PATH}" ]]; then
 fi
 
 BASEDIR=$(dirname "$0")
-BASEDIR=$(readlink -f "${BASEDIR}")
+BASEDIR=$(cd "$BASEDIR" && pwd -P)
 
 TMPDIR=$(mktemp -d)
-ARMA_LIBS=$(cmake -DLIBKRIGING_PATH="${LIBKRIGING_PATH}" -B "${TMPDIR}" "${BASEDIR}" | sed -n -r -e 's/^-- ARMA_LIBS=(.*)$/\1/p')
+ARMA_LIBS=$(cmake -DLIBKRIGING_PATH="${LIBKRIGING_PATH}" -B "${TMPDIR}" "${BASEDIR}" | sed -n -r -e 's/^-- EXTERNAL_LIBS=(.*)$/\1/p')
 echo "${ARMA_LIBS}"
 rm -fr "${TMPDIR}"
\ No newline at end of file
diff --git a/dependencies/lbfgsb_cpp b/dependencies/lbfgsb_cpp
index d5bb0a6e..f613bb71 160000
--- a/dependencies/lbfgsb_cpp
+++ b/dependencies/lbfgsb_cpp
@@ -1 +1 @@
-Subproject commit d5bb0a6e6fdf7681f21102aae11784ca0963afe2
+Subproject commit f613bb71afe5f31a9db5b4a508c1fda092199c78
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
index af77f2d6..fd7e746f 100644
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -28,7 +28,7 @@ if (CXX_CLANG_TIDY)
             CXX_CLANG_TIDY ${CXX_CLANG_TIDY})
 endif ()
 
-target_link_libraries(Kriging PUBLIC armadillo lbfgsb_cpp)
+target_link_libraries(Kriging PUBLIC armadillo lbfgsb_cpp::lbfgsb_cpp)
 
 # TODO check if this method is useful
 # * https://atomheartother.github.io/c++/2018/07/12/CPPDynLib.html
diff --git a/src/lib/include/libKriging/utils/data_from_arma_vec.hpp b/src/lib/include/libKriging/utils/data_from_arma_vec.hpp
index cd93f53b..f7ed4c73 100644
--- a/src/lib/include/libKriging/utils/data_from_arma_vec.hpp
+++ b/src/lib/include/libKriging/utils/data_from_arma_vec.hpp
@@ -1,10 +1,8 @@
 #ifndef LIBKRIGING_SRC_LIB_INCLUDE_LIBKRIGING_UTILS_DATA_FROM_ARMA_VEC_HPP
 #define LIBKRIGING_SRC_LIB_INCLUDE_LIBKRIGING_UTILS_DATA_FROM_ARMA_VEC_HPP
 
-namespace std {
 inline double* data(arma::vec& x) {
   return x.memptr();
 }
-}  // namespace std
 
 #endif  // LIBKRIGING_SRC_LIB_INCLUDE_LIBKRIGING_UTILS_DATA_FROM_ARMA_VEC_HPP