diff --git a/inst/com/Makefile.am b/inst/com/Makefile.am
index 691ec32..e1cecd1 100644
--- a/inst/com/Makefile.am
+++ b/inst/com/Makefile.am
@@ -1,5 +1,9 @@
 ## Process this file with automake to produce Makefile.in
 
+# Darwin support
+MACOSX_DEPLOYMENT_TARGET=@CONFIGURE_MACOSX_DEPLOYMENT_TARGET@
+@EXPORT_MACOSX_DEPLOYMENT_TARGET@export MACOSX_DEPLOYMENT_TARGET
+
 # Set include directories
 INCLUDES = -I$(top_srcdir)/include \
            -I$(top_srcdir)/src \
diff --git a/inst/cta/Makefile.am b/inst/cta/Makefile.am
index 5774afc..19b44f5 100644
--- a/inst/cta/Makefile.am
+++ b/inst/cta/Makefile.am
@@ -1,5 +1,9 @@
 ## Process this file with automake to produce Makefile.in
 
+# Darwin support
+MACOSX_DEPLOYMENT_TARGET=@CONFIGURE_MACOSX_DEPLOYMENT_TARGET@
+@EXPORT_MACOSX_DEPLOYMENT_TARGET@export MACOSX_DEPLOYMENT_TARGET
+
 # Set include directories
 INCLUDES = -I$(top_srcdir)/include \
            -I$(top_srcdir)/src \
diff --git a/inst/lat/Makefile.am b/inst/lat/Makefile.am
index b09ed3b..ac9ec56 100644
--- a/inst/lat/Makefile.am
+++ b/inst/lat/Makefile.am
@@ -1,5 +1,9 @@
 ## Process this file with automake to produce Makefile.in
 
+# Darwin support
+MACOSX_DEPLOYMENT_TARGET=@CONFIGURE_MACOSX_DEPLOYMENT_TARGET@
+@EXPORT_MACOSX_DEPLOYMENT_TARGET@export MACOSX_DEPLOYMENT_TARGET
+
 # Set include directories
 INCLUDES = -I$(top_srcdir)/include \
            -I$(top_builddir)/src \
diff --git a/inst/mwl/Makefile.am b/inst/mwl/Makefile.am
index 3a9e721..b964a77 100644
--- a/inst/mwl/Makefile.am
+++ b/inst/mwl/Makefile.am
@@ -1,5 +1,9 @@
 ## Process this file with automake to produce Makefile.in
 
+# Darwin support
+MACOSX_DEPLOYMENT_TARGET=@CONFIGURE_MACOSX_DEPLOYMENT_TARGET@
+@EXPORT_MACOSX_DEPLOYMENT_TARGET@export MACOSX_DEPLOYMENT_TARGET
+
 # Set include directories
 INCLUDES = -I$(top_srcdir)/include \
            -I$(top_builddir)/src \