diff --git a/DESCRIPTION b/DESCRIPTION
index 43a05296d40483d374ef47139b77c2913f388177..d1d1160c1a17f1aa64c2f209cefbf0309971b709 100755
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: clpAPI
 Type: Package
 Title: R Interface to C API of COIN-or Clp
-Version: 1.2.11
-Date: 2019-06-14
+Version: 1.2.12
+Date: 2020-02-13
 Authors@R: c(person("Mayo", "Roettger", role = "cre", email = "mayo.roettger@hhu.de"),
              person("Gabriel", "Gelius-Dietrich", role = c("aut"), email = "geliudie@uni-duesseldorf.de"),
              person(c("C.", "Jonathan"), "Fritzemeier", role = "ctb", email = "clausjonathan.fritzemeier@uni-duesseldorf.de"))
@@ -13,9 +13,9 @@ SystemRequirements: COIN-OR Clp (>= 1.12.0)
 License: GPL-3 | file LICENSE
 LazyLoad: yes
 Collate: generics.R clp_ptrClass.R clp.R clpAPI.R zzz.R
-Packaged: 2019-06-14 14:00:00 UTC; mayo
+Packaged: 2020-02-13 09:00:00 UTC; mayo
 Author: Mayo Roettger [cre], Gabriel Gelius-Dietrich [aut], C. Jonathan Fritzemeier [ctb]
 Maintainer: Mayo Roettger <mayo.roettger@hhu.de>
 NeedsCompilation: yes
 Repository: CRAN
-Date/Publication: 2019-06-14 14:00:00
+Date/Publication: 2020-02-13 10:00:00
diff --git a/configure b/configure
index 2feec862314bd3daf5fd6ffcd16eaebb40b65a3e..9f962684e94ec9bd8dfd9331c4ad1e65c40953fc 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for clpAPI 1.2.10.
+# Generated by GNU Autoconf 2.69 for clpAPI 1.2.11.
 #
 # Report bugs to <mayo.roettger@hhu.de>.
 #
@@ -580,8 +580,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='clpAPI'
 PACKAGE_TARNAME='clpapi'
-PACKAGE_VERSION='1.2.10'
-PACKAGE_STRING='clpAPI 1.2.10'
+PACKAGE_VERSION='1.2.11'
+PACKAGE_STRING='clpAPI 1.2.11'
 PACKAGE_BUGREPORT='mayo.roettger@hhu.de'
 PACKAGE_URL=''
 
@@ -1242,7 +1242,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures clpAPI 1.2.10 to adapt to many kinds of systems.
+\`configure' configures clpAPI 1.2.11 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1304,7 +1304,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of clpAPI 1.2.10:";;
+     short | recursive ) echo "Configuration of clpAPI 1.2.11:";;
    esac
   cat <<\_ACEOF
 
@@ -1392,7 +1392,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-clpAPI configure 1.2.10
+clpAPI configure 1.2.11
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1694,7 +1694,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by clpAPI $as_me 1.2.10, which was
+It was created by clpAPI $as_me 1.2.11, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2059,7 +2059,7 @@ if test -z "${R_HOME}"; then
 fi
 
 CC=`"${R_HOME}/bin/R" CMD config CC`
-CPP=`"${R_HOME}/bin/R" CMD config CPP`
+#CPP=`"${R_HOME}/bin/R" CMD config CPP`
 CFLAGS=`"${R_HOME}/bin/R" CMD config CFLAGS`
 CPPFLAGS=`"${R_HOME}/bin/R" CMD config CPPFLAGS`
 ac_ext=c
@@ -4252,7 +4252,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by clpAPI $as_me 1.2.10, which was
+This file was extended by clpAPI $as_me 1.2.11, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -4314,7 +4314,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-clpAPI config.status 1.2.10
+clpAPI config.status 1.2.11
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index fdc53053a92e7446ba9ee90eae26521521b46f69..3c39d1e5467107360859f8d94e270bb55d7090ca 100755
--- a/configure.ac
+++ b/configure.ac
@@ -29,7 +29,7 @@ fi
 
 dnl # GNU R default settings
 CC=`"${R_HOME}/bin/R" CMD config CC`
-CPP=`"${R_HOME}/bin/R" CMD config CPP`
+#CPP=`"${R_HOME}/bin/R" CMD config CPP`
 CFLAGS=`"${R_HOME}/bin/R" CMD config CFLAGS`
 CPPFLAGS=`"${R_HOME}/bin/R" CMD config CPPFLAGS`
 AC_PROG_CC
diff --git a/inst/NEWS.Rd b/inst/NEWS.Rd
index d0e4466bd4e4a4d4f8f1697d8d283095ff4c46dd..ac878c8db2c713e87a2aa0c6476a85576d6b7f22 100755
--- a/inst/NEWS.Rd
+++ b/inst/NEWS.Rd
@@ -3,6 +3,13 @@
 \name{NEWS}
 \title{clpAPI News}
 \encoding{UTF-8}
+% ---------------------------------------------------------------------------- %
+\section{Changes in version 1.2.12 2020-02-13}{
+  \itemize{
+    \item Quick fix for CRAN issue: 'config' variable 'CPP' is deprecated.
+  }
+}
+
 % ---------------------------------------------------------------------------- %
 \section{Changes in version 1.2.11 2019-06-14}{
   \itemize{
diff --git a/src/symbols.rds b/src/symbols.rds
index 74ded543e88932db402abd777261159e9e53b5ef..63efcff60f9a0b315602bd76b01b3e8f084b55b6 100755
Binary files a/src/symbols.rds and b/src/symbols.rds differ