diff --git a/.github/workflows/test-install.yml b/.github/workflows/test-install.yml
index 4d8ee971c..7aa07eb82 100644
--- a/.github/workflows/test-install.yml
+++ b/.github/workflows/test-install.yml
@@ -461,8 +461,6 @@ jobs:
         runner.os == 'Windows' && env.INSTALLC == 1
       name: (WINDOWS,CONDA) Set up MSVC Compiler
       uses: ilammy/msvc-dev-cmd@v1
-      with:
-        toolset: 14.0
     - continue-on-error: true
       id: conda_build
       if: matrix.install-method == 'conda' || matrix.install-method == 'mamba'
@@ -861,8 +859,6 @@ jobs:
         runner.os == 'Windows' && env.INSTALLC == 1
       name: (WINDOWS,CONDA) Set up MSVC Compiler
       uses: ilammy/msvc-dev-cmd@v1
-      with:
-        toolset: 14.0
     - continue-on-error: true
       id: conda_build
       if: matrix.install-method == 'conda' || matrix.install-method == 'mamba'
@@ -1237,8 +1233,6 @@ jobs:
         runner.os == 'Windows' && env.INSTALLC == 1
       name: (WINDOWS,CONDA) Set up MSVC Compiler
       uses: ilammy/msvc-dev-cmd@v1
-      with:
-        toolset: 14.0
     - continue-on-error: true
       id: conda_build
       if: matrix.install-method == 'conda' || matrix.install-method == 'mamba'
@@ -1594,8 +1588,6 @@ jobs:
         runner.os == 'Windows' && env.INSTALLC == 1
       name: (WINDOWS,CONDA) Set up MSVC Compiler
       uses: ilammy/msvc-dev-cmd@v1
-      with:
-        toolset: 14.0
     - continue-on-error: true
       id: conda_build
       if: matrix.install-method == 'conda' || matrix.install-method == 'mamba'
@@ -1950,8 +1942,6 @@ jobs:
         runner.os == 'Windows' && env.INSTALLC == 1
       name: (WINDOWS,CONDA) Set up MSVC Compiler
       uses: ilammy/msvc-dev-cmd@v1
-      with:
-        toolset: 14.0
     - continue-on-error: true
       id: conda_build
       if: matrix.install-method == 'conda' || matrix.install-method == 'mamba'
diff --git a/tests/drivers/test_CModelDriver.py b/tests/drivers/test_CModelDriver.py
index 5f778d64a..b329b131f 100644
--- a/tests/drivers/test_CModelDriver.py
+++ b/tests/drivers/test_CModelDriver.py
@@ -1,7 +1,4 @@
-import pytest
-import os
-from yggdrasil import platform
-from yggdrasil.drivers.CModelDriver import CModelDriver, LDLinker
+from yggdrasil.drivers.CModelDriver import LDLinker
 
 
 def test_LDLinker_tool_version():
@@ -10,16 +7,3 @@ def test_LDLinker_tool_version():
         LDLinker.tool_version()
         LDLinker.get_search_path()
         LDLinker.get_env_flags()
-
-
-@pytest.mark.skipif(not platform._is_linux, reason="OS is not Linux")
-def test_update_ld_library_path():
-    r"""Test update_ld_library_path method."""
-    lang_dir = CModelDriver.get_language_dir()
-    total = os.pathsep.join(['test', lang_dir])
-    env = {'LD_LIBRARY_PATH': 'test'}
-    env = CModelDriver.update_ld_library_path(env)
-    assert(env['LD_LIBRARY_PATH'] == total)
-    # Second time to ensure that path not added twice
-    env = CModelDriver.update_ld_library_path(env)
-    assert(env['LD_LIBRARY_PATH'] == total)
diff --git a/tests/drivers/test_ModelDriver.py b/tests/drivers/test_ModelDriver.py
index cbad912d1..7fe09e77f 100644
--- a/tests/drivers/test_ModelDriver.py
+++ b/tests/drivers/test_ModelDriver.py
@@ -21,7 +21,7 @@ def test_ModelDriver_implementation():
     with pytest.raises(NotImplementedError):
         ModelDriver.is_library_installed(None)
     with pytest.raises(InvalidCompilationTool):
-        CompiledModelDriver.get_tool('compiler')
+        print(CompiledModelDriver.get_tool('compiler'))
     with pytest.raises(NotImplementedError):
         CompiledModelDriver.language_executable()
     with pytest.raises(NotImplementedError):
diff --git a/tests/test_tools.py b/tests/test_tools.py
index c44d14a40..22b705626 100644
--- a/tests/test_tools.py
+++ b/tests/test_tools.py
@@ -228,6 +228,8 @@ def test_find_all():
     # Multiple files
     mdir, mpat, mans = make_temp_multiple()
     mout = tools.find_all(mpat, mdir)
+    print(mout)
+    print(mans)
     assert isinstance(mout, list)
     assert mout == mans
 
diff --git a/utils/setup_test_env.py b/utils/setup_test_env.py
index 68837f465..aa5df7b10 100644
--- a/utils/setup_test_env.py
+++ b/utils/setup_test_env.py
@@ -1742,7 +1742,7 @@ def install_pkg(method, param=None, without_build=False,
         #                    allow_missing=False)
         return cmds
     call_script(cmds, param=param)
-    config_pkg(param=param, allow_missing=False)
+    config_pkg(param=param, allow_missing=False, use_shell=True)
 
 
 def verify_pkg(install_opts=None):
diff --git a/utils/test-install-base.yml b/utils/test-install-base.yml
index 1cc4bcb38..4633128af 100644
--- a/utils/test-install-base.yml
+++ b/utils/test-install-base.yml
@@ -250,8 +250,8 @@ jobs:
     - name: (WINDOWS,CONDA) Set up MSVC Compiler
       uses: ilammy/msvc-dev-cmd@v1
       if: (matrix.install-method == 'conda' || matrix.install-method == 'mamba') && runner.os == 'Windows' && env.INSTALLC == 1
-      with:
-        toolset: 14.0
+      # with:
+      #   toolset: 14.0
     # - name: (UNIX,CONDA) Add miniconda bin to path
     #   if: (matrix.install-method == 'conda' || matrix.install-method == 'mamba') && runner.os != 'Windows'
     #   run: |
diff --git a/yggdrasil/drivers/CMakeModelDriver.py b/yggdrasil/drivers/CMakeModelDriver.py
index 668541010..8463ab1ff 100644
--- a/yggdrasil/drivers/CMakeModelDriver.py
+++ b/yggdrasil/drivers/CMakeModelDriver.py
@@ -27,9 +27,18 @@ class CMakeConfigure(ConfigurerBase):
         ('target_fortran_compiler_path',
          '-DCMAKE_Fortran_COMPILER:FILEPATH=%s'),
         ('target_linker_path', '-DCMAKE_LINKER=%s'),
-        ('ignore_default_c_flags', '-DCMAKE_C_FLAGS='),
-        ('ignore_default_c++_flags', '-DCMAKE_CXX_FLAGS='),
-        ('ignore_default_fortran_flags', '-DCMAKE_Fortran_FLAGS='),
+        ('ignore_default_c_flags',
+         ['-DCMAKE_C_FLAGS=',
+          '-DCMAKE_C_FLAGS_DEBUG=',
+          '-DCMAKE_C_FLAGS_RELEASE=']),
+        ('ignore_default_c++_flags',
+         ['-DCMAKE_CXX_FLAGS=',
+          '-DCMAKE_CXX_FLAGS_DEBUG=',
+          '-DCMAKE_CXX_FLAGS_RELEASE=']),
+        ('ignore_default_fortran_flags',
+         ['-DCMAKE_Fortran_FLAGS=',
+          '-DCMAKE_Fortran_FLAGS_DEBUG=',
+          '-DCMAKE_Fortran_FLAGS_RELEASE=']),
         ('osx_sysroot', '-DCMAKE_OSX_SYSROOT=%s'),
         ('osx_deployment_target', '-DCMAKE_OSX_DEPLOYMENT_TARGET=%s'),
         ('sourcedir', '-S'),
@@ -815,6 +824,9 @@ def create_imports(cls, dep, imp, products=None, overwrite=False,
         """
         logger.debug(f"CREATE_IMPORTS {dep} {imp}")
         buildfile = dep['buildfile']
+        if not os.path.isabs(buildfile):
+            buildfile = dep._relative_to_directory(buildfile)
+        logger.info(f"CREATE_IMPORTS {dep}: {buildfile}")
         target = dep.get('target', '${PROJECT_NAME}')
         if products is None:
             products = tools.IntegrationPathSet(overwrite=overwrite)
diff --git a/yggdrasil/drivers/CompiledModelDriver.py b/yggdrasil/drivers/CompiledModelDriver.py
index 575370d6e..b7d3791c8 100644
--- a/yggdrasil/drivers/CompiledModelDriver.py
+++ b/yggdrasil/drivers/CompiledModelDriver.py
@@ -29,7 +29,7 @@
 _all_toolsets = [
     'gnu', 'msvc', 'llvm',
 ]
-_default_libtype = 'static'  # TODO: retry static'
+_default_libtype = 'static'
 _conda_prefix = tools.get_conda_prefix()
 _venv_prefix = tools.get_venv_prefix()
 _system_suffix = ""
@@ -2193,7 +2193,7 @@ def locate_tool(self, tooltype, toolname):
                     tooltype0, language=language,
                     driver=self.parent_driver,
                     compatible_with=toolname,
-                    only_installed=True)
+                    only_installed=True, default=None)
             self._updated_tools[tooltype][toolname] = out
             if out and out.toolname not in self._updated_tools[tooltype]:
                 self._updated_tools[tooltype][out.toolname] = out
@@ -2940,6 +2940,9 @@ def _result(self, **kwargs):
     def _generated_windows_import(self, previous=None, **kwargs):
         out = None
         dll = self.get('shared', **kwargs)
+        # TODO: temp
+        logger.info(f"GENERATED_WINDOWS_IMPORT [{self.name}]: {dll} "
+                    f"(previous = {previous}")
         if dll:
             directory = self.parent_driver.get_language_dir()
             out = create_windows_import(
@@ -3471,8 +3474,7 @@ def _dep_libtool_kwargs(self, key, to_update=None, dep_libtype=None,
             if not os.path.isfile(dep_lib):
                 raise RuntimeError(f"Library for {self.name} dependency "
                                    f"does not exist: '{dep_lib}'.")
-        if ((self['libtype'] in self.library_files
-             and dep_libtype != 'static')):
+        if self['libtype'] in self.library_files:
             libkey = 'libraries'
             if use_library_path_internal and self.origin == 'internal':
                 if to_update.get('skip_library_libs', False):
@@ -3595,6 +3597,7 @@ def _generic_env(self, key, to_update=None, for_build=False,
         if ((self.parent_driver.is_build_tool
              and self.parameters.get('target_dep', False))):
             target_dep = self.parameters['target_dep']
+            out.update(target_dep.get(key, **kws))
             for k in target_dep.active_tools():
                 out.update(
                     target_dep.get(f'{k}_env', for_build=for_build, **kws))
@@ -3730,6 +3733,7 @@ def _search_brute(self, fname, libtype=None, verbose=False,
                 fname_ext = expected_ext[0]
         if os.path.isfile(fname):
             return fname
+        fname_base = os.path.basename(fname_base)
         # use_regex = (not platform._is_win)
         fname_try = [fname_base]
         if platform._is_win and libtype in self.library_files:
@@ -4414,7 +4418,7 @@ def create_flag(cls, key, value):
             list: Items representing the flag.
 
         """
-        if (not isinstance(key, dict)) and (key in cls.flag_options):
+        if (not isinstance(key, (dict, list))) and (key in cls.flag_options):
             key = cls.flag_options[key]
         if isinstance(key, dict):
             key = key['key']
@@ -4422,6 +4426,10 @@ def create_flag(cls, key, value):
             out = []
             for v in value:
                 out += cls.create_flag(key, v)
+        elif isinstance(key, list):
+            out = []
+            for k in key:
+                out += cls.create_flag(k, value)
         elif value is None:
             out = []
         elif len(key) == 0:
diff --git a/yggdrasil/drivers/FortranModelDriver.py b/yggdrasil/drivers/FortranModelDriver.py
index 52486d5e1..da111e252 100644
--- a/yggdrasil/drivers/FortranModelDriver.py
+++ b/yggdrasil/drivers/FortranModelDriver.py
@@ -222,7 +222,12 @@ class FortranModelDriver(CompiledModelDriver):
             'source': 'c_wrappers.c',
             'language': 'c',
             'libtype': 'object',
-            'internal_dependencies': [('c', 'ygg')]}}
+            'internal_dependencies': [('c', 'ygg')],
+            'platform_specifics': {
+                'Linux': {
+                    'compiler_flags': ['-fPIC'],
+                }
+            }}}
     type_map = {
         'comm': 'yggcomm',
         'dtype': 'yggdtype',