diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 137c245..b9a3349 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
           compiler: 'gcc'
           configure_options: ''
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install build dependencies
       run: |
         sudo apt-get -y install autoconf automake autopoint build-essential git libtool pkg-config
@@ -36,6 +36,30 @@ jobs:
     - name: Run tests
       run: |
         tests/runtests.sh
+  build_dist:
+    runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        include:
+        - architecture: 'x64'
+          compiler: 'gcc'
+          configure_options: ''
+    steps:
+    - uses: actions/checkout@v4
+    - name: Install build dependencies
+      run: |
+        sudo apt-get -y install autoconf automake autopoint build-essential git libtool pkg-config
+    - name: Download test data
+      run: |
+        if test -x "synctestdata.sh"; then ./synctestdata.sh; fi
+    - name: Building from source
+      env:
+        CC: ${{ matrix.compiler }}
+      run: |
+        tests/build.sh ${{ matrix.configure_options }}
+    - name: Run tests
+      run: |
+        make distcheck
   coverage_ubuntu:
     runs-on: ubuntu-22.04
     strategy:
@@ -48,7 +72,7 @@ jobs:
           compiler: 'gcc'
           configure_options: ''
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install build dependencies
       run: |
         sudo apt-get -y install autoconf automake autopoint build-essential git libtool pkg-config
@@ -69,6 +93,7 @@ jobs:
           (cd ${DIRECTORY} && find . -maxdepth 1 -name \*.gcno -type f -exec gcov -pb {} \;) \
         done
     - name: Upload coverage report to Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         name: linux-${{ matrix.architecture }}-gcc-no-optimization
+        token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.github/workflows/build_freebsd.yml b/.github/workflows/build_freebsd.yml
index 53b87c8..b0b664c 100644
--- a/.github/workflows/build_freebsd.yml
+++ b/.github/workflows/build_freebsd.yml
@@ -6,7 +6,7 @@ jobs:
   build_freebsd:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Building from source
       id: build_freebsd
       uses: vmactions/freebsd-vm@v1
diff --git a/.github/workflows/build_shared.yml b/.github/workflows/build_shared.yml
index b3c2fcb..e9dcf23 100644
--- a/.github/workflows/build_shared.yml
+++ b/.github/workflows/build_shared.yml
@@ -14,7 +14,7 @@ jobs:
           compiler: 'gcc'
           configure_options: ''
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install build dependencies
       run: |
         sudo apt-get -y install autoconf automake autopoint build-essential git libtool pkg-config
diff --git a/Makefile.am b/Makefile.am
index cb2e3a4..cc03c67 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -38,8 +38,15 @@ EXTRA_DIST = \
 	$(PKGCONFIG_FILES) \
 	$(SPEC_FILES)
 
-MAINTAINERCLEANFILES = \
-	Makefile.in
+DISTCLEANFILES = \
+	config.status \
+	config.cache \
+	config.log \
+	libfdatetime.pc \
+	libfdatetime.spec \
+	Makefile \
+	Makefile.in \
+	po/Makevars
 
 pkgconfigdir = $(libdir)/pkgconfig
 
@@ -57,15 +64,3 @@ library:
 	(cd $(srcdir)/libfdatetime && $(MAKE) $(AM_MAKEFLAGS))
 	(cd $(srcdir)/po && $(MAKE) $(AM_MAKEFLAGS))
 
-distclean: clean
-	-rm -f Makefile
-	-rm -f config.status
-	-rm -f config.cache
-	-rm -f config.log
-	-rm -f libfdatetime.pc
-	-rm -f libfdatetime.spec
-	@for dir in ${subdirs}; do \
-		(cd $$dir && $(MAKE) distclean) \
-		|| case "$(MFLAGS)" in *k*) fail=yes;; *) exit 1;; esac; \
-	done && test -z "$$fail"
-
diff --git a/common/Makefile.am b/common/Makefile.am
index 2433a75..f7aa524 100644
--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -1,4 +1,5 @@
-AM_CPPFLAGS = -I$(top_srcdir)/include
+AM_CPPFLAGS = \
+	-I../include -I$(top_srcdir)/include
 
 EXTRA_DIST = \
 	byte_stream.h \
@@ -15,11 +16,9 @@ EXTRA_DIST = \
 	types.h.in \
 	wide_string.h
 
-MAINTAINERCLEANFILES = \
+DISTCLEANFILES = \
+	config.h \
+	types.h \
+	Makefile \
 	Makefile.in
 
-distclean: clean
-	-rm -f config.h
-	-rm -f types.h
-	-rm -f Makefile
-
diff --git a/configure.ac b/configure.ac
index 1608c74..67009b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ([2.71])
 
 AC_INIT(
  [libfdatetime],
- [20240401],
+ [20240415],
  [joachim.metz@gmail.com])
 
 AC_CONFIG_SRCDIR(
diff --git a/include/Makefile.am b/include/Makefile.am
index 076e0cd..f20a072 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -14,13 +14,11 @@ EXTRA_DIST = \
 	libfdatetime/features.h.in \
 	libfdatetime/types.h.in
 
-MAINTAINERCLEANFILES = \
+DISTCLEANFILES = \
+	libfdatetime.h \
+	libfdatetime/definitions.h \
+	libfdatetime/features.h \
+	libfdatetime/types.h \
+	Makefile \
 	Makefile.in
 
-distclean: clean
-	-rm -f libfdatetime.h
-	-rm -f libfdatetime/definitions.h
-	-rm -f libfdatetime/features.h
-	-rm -f libfdatetime/types.h
-	-rm -f Makefile
-
diff --git a/libfdatetime/Makefile.am b/libfdatetime/Makefile.am
index 41bbcd4..40e227e 100644
--- a/libfdatetime/Makefile.am
+++ b/libfdatetime/Makefile.am
@@ -1,6 +1,6 @@
 AM_CPPFLAGS = \
-	-I$(top_srcdir)/include \
-	-I$(top_srcdir)/common \
+	-I../include -I$(top_srcdir)/include \
+	-I../common -I$(top_srcdir)/common \
 	@LIBCERROR_CPPFLAGS@ \
 	@LIBFDATETIME_DLL_EXPORT@
 
@@ -34,14 +34,12 @@ EXTRA_DIST = \
 	libfdatetime.rc \
 	libfdatetime.rc.in
 
-MAINTAINERCLEANFILES = \
+DISTCLEANFILES = \
+	libfdatetime_definitions.h \
+	libfdatetime.rc \
+	Makefile \
 	Makefile.in
 
-distclean: clean
-	-rm -f libfdatetime_definitions.h
-	-rm -f libfdatetime.rc
-	-rm -f Makefile
-
 sources-local: $(BUILT_SOURCES)
 
 splint-local:
diff --git a/m4/libcerror.m4 b/m4/libcerror.m4
index 87af3e1..e9abcdb 100644
--- a/m4/libcerror.m4
+++ b/m4/libcerror.m4
@@ -1,6 +1,6 @@
 dnl Checks for libcerror required headers and functions
 dnl
-dnl Version: 20240314
+dnl Version: 20240413
 
 dnl Function to detect if libcerror is available
 dnl ac_libcerror_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
@@ -169,7 +169,7 @@ AC_DEFUN([AX_LIBCERROR_CHECK_LOCAL],
       ])
     ])
 
-  ac_cv_libcerror_CPPFLAGS="-I../libcerror";
+  ac_cv_libcerror_CPPFLAGS="-I../libcerror -I\$(top_srcdir)/libcerror";
   ac_cv_libcerror_LIBADD="../libcerror/libcerror.la";
 
   ac_cv_libcerror=local
diff --git a/manuals/Makefile.am b/manuals/Makefile.am
index dc01101..1c9644b 100644
--- a/manuals/Makefile.am
+++ b/manuals/Makefile.am
@@ -4,9 +4,7 @@ man_MANS = \
 EXTRA_DIST = \
 	libfdatetime.3
 
-MAINTAINERCLEANFILES = \
+DISTCLEANFILES = \
+	Makefile \
 	Makefile.in
 
-distclean: clean
-	-rm -f Makefile
-
diff --git a/msvscpp/Makefile.am b/msvscpp/Makefile.am
index 4138dcb..2b67cb2 100644
--- a/msvscpp/Makefile.am
+++ b/msvscpp/Makefile.am
@@ -16,9 +16,7 @@ MSVSCPP_FILES = \
 EXTRA_DIST = \
 	$(MSVSCPP_FILES)
 
-MAINTAINERCLEANFILES = \
+DISTCLEANFILES = \
+	Makefile \
 	Makefile.in
 
-distclean: clean
-	-rm -f Makefile
-
diff --git a/synclibs.sh b/synclibs.sh
index f169304..1c27705 100755
--- a/synclibs.sh
+++ b/synclibs.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Script that synchronizes the local library dependencies
 #
-# Version: 20231023
+# Version: 20240414
 
 EXIT_SUCCESS=0;
 EXIT_FAILURE=1;
@@ -95,10 +95,11 @@ endif
 	d
 }
 
-/distclean: clean/ {
+/DISTCLEANFILES = / {
 	n
-	N
-	d
+	/${LOCAL_LIB}_definitions.h/ {
+		d
+	}
 }";
 	echo "${SED_SCRIPT}" >> ${LOCAL_LIB}-$$.sed;
 	sed -i'~' -f ${LOCAL_LIB}-$$.sed ${LOCAL_LIB_MAKEFILE_AM};
@@ -140,7 +141,7 @@ SED_SCRIPT="/^$/ {
 	then
 		if ! test -f "m4/libuna.m4";
 		then
-			sed -i'~' 's?@LIBUNA_CPPFLAGS@?-I$(top_srcdir)/libuna?' ${LOCAL_LIB_MAKEFILE_AM};
+			sed -i'~' 's?@LIBUNA_CPPFLAGS@?-I../libuna -I$(top_srcdir)/libuna?' ${LOCAL_LIB_MAKEFILE_AM};
 		fi
 	fi
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 18a4e4b..5637956 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,6 +1,6 @@
 AM_CPPFLAGS = \
-	-I$(top_srcdir)/include \
-	-I$(top_srcdir)/common \
+	-I../include -I$(top_srcdir)/include \
+	-I../common -I$(top_srcdir)/common \
 	@LIBCERROR_CPPFLAGS@ \
 	@LIBFDATETIME_DLL_IMPORT@
 
@@ -141,9 +141,7 @@ fdatetime_test_systemtime_LDADD = \
 	../libfdatetime/libfdatetime.la \
 	@LIBCERROR_LIBADD@
 
-MAINTAINERCLEANFILES = \
+DISTCLEANFILES = \
+	Makefile \
 	Makefile.in
 
-distclean: clean
-	-rm -f Makefile
-
diff --git a/tests/test_library.sh b/tests/test_library.sh
index dd721e3..7efbbe7 100755
--- a/tests/test_library.sh
+++ b/tests/test_library.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # Tests library functions and types.
 #
-# Version: 20231007
+# Version: 20240413
 
 EXIT_SUCCESS=0;
 EXIT_FAILURE=1;
@@ -141,12 +141,9 @@ then
 	exit ${EXIT_IGNORE};
 fi
 
-TEST_RUNNER="tests/test_runner.sh";
+TEST_DIRECTORY=`dirname $0`;
 
-if ! test -f "${TEST_RUNNER}";
-then
-	TEST_RUNNER="./test_runner.sh";
-fi
+TEST_RUNNER="${TEST_DIRECTORY}/test_runner.sh";
 
 if ! test -f "${TEST_RUNNER}";
 then
diff --git a/tests/test_manpage.sh b/tests/test_manpage.sh
index 4abb656..b5fafd7 100755
--- a/tests/test_manpage.sh
+++ b/tests/test_manpage.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # Tests man pages.
 #
-# Version: 20230410
+# Version: 20240413
 
 EXIT_SUCCESS=0;
 EXIT_FAILURE=1;
@@ -45,12 +45,9 @@ then
 	exit ${EXIT_IGNORE};
 fi
 
-TEST_RUNNER="tests/test_runner.sh";
+TEST_DIRECTORY=`dirname $0`;
 
-if ! test -f "${TEST_RUNNER}";
-then
-	TEST_RUNNER="./test_runner.sh";
-fi
+TEST_RUNNER="${TEST_DIRECTORY}/test_runner.sh";
 
 if ! test -f "${TEST_RUNNER}";
 then