diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9423f46486f09fbf76d64f4806180910e8ff5235..430b92ae1c44aa2ae7b3ee047fd0f0e2bed4556d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # FSL base project changelog
 
+
+## 2112.0 (Saturday 11th December 2021)
+
+* Add `-pthread` to the standard C++ compiler flags for `g++`.
+* Adjust the `depend.mk` rule to allow saving object files to a separate
+  build directory.
+
+
 ## 2111.9 (Wednesday 8th December 2021)
 
 * If the `${LDFLAGS}` environment variable is set in the environment, any
diff --git a/config/buildSettings.mk b/config/buildSettings.mk
index 5257812a9744a36427e764c55105dc59ffd02add..6876b77be299e077c78f3b5ed272606b22ab3322 100644
--- a/config/buildSettings.mk
+++ b/config/buildSettings.mk
@@ -163,7 +163,11 @@ ifeq ($(SYSTYPE), Linux)
   endif
   LDFLAGS  += -Wl,-rpath,'${FSLDIR}/lib' \
               -Wl,-rpath-link,'${FSLDIR}/lib'
-  ARCHLIBS += -lopenblas -lz -lm
+
+  # Libraries which are implicitly available
+  # to all projects for linking
+  ARCHCXXFLAGS += -pthread
+  ARCHLIBS     += -lopenblas -lz -lm
 endif
 
 #####################################################################
diff --git a/config/rules.mk b/config/rules.mk
index 815fefd1c1496112533e3de87e6d40978e5e05cc..df832a3948feab95ab2243a46282d899956b9175 100644
--- a/config/rules.mk
+++ b/config/rules.mk
@@ -23,8 +23,14 @@ depend:
 depend.mk:
 	@echo Building dependency file depend.mk
 	@for srcfile in `find . -name "*.c" -or -name "*.cc" -or -name "*.cxx" -or -name "*.cpp" -or -name "*.inc" -or -name "*.hpp"` verylongdummyname ; do \
-		if [ -f $$srcfile ] ; then \
-			${CC} -MM ${INCFLAGS} $$srcfile >> depend.mk ; \
+		if [ -f "$${srcfile}" ] ; then \
+			basename="$${srcfile%.*}" ; \
+			basename="$${basename#./}" ; \
+			objfile="$${basename}.o" ; \
+			depfile="$${basename}.mk" ; \
+			${CC} -MM -MT "${BUILDDIR}$${objfile}" -MF "$${depfile}" ${CPPFLAGS} ${INCFLAGS} "$${srcfile}" > /dev/null; \
+			cat "$${depfile}" >> depend.mk ; \
+			rm -f "$${depfile}" ; \
 		else \
 			touch depend.mk; \
 		fi \