diff --git a/DESCRIPTION b/DESCRIPTION
index d1d1160c1a17f1aa64c2f209cefbf0309971b709..5873fcfd6df1ad016760fe0285090132d28f1d02 100755
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: clpAPI
 Type: Package
 Title: R Interface to C API of COIN-or Clp
-Version: 1.2.12
+Version: 1.2.13
 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"),
@@ -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: 2020-02-13 09:00:00 UTC; mayo
+Packaged: 2020-02-13 10:47:00 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: 2020-02-13 10:00:00
+Date/Publication: 2020-02-13 11:47:00
diff --git a/config.log b/config.log
deleted file mode 100755
index b807fa0001f9f26f7edd22832a6d96f90c1f3331..0000000000000000000000000000000000000000
--- a/config.log
+++ /dev/null
@@ -1,344 +0,0 @@
-This file contains any messages produced by compilers while
-running configure, to aid debugging if configure makes a mistake.
-
-It was created by clpAPI configure 1.2.10, which was
-generated by GNU Autoconf 2.69.  Invocation command line was
-
-  $ ./configure 
-
-## --------- ##
-## Platform. ##
-## --------- ##
-
-hostname = debian
-uname -m = x86_64
-uname -r = 4.9.0-9-amd64
-uname -s = Linux
-uname -v = #1 SMP Debian 4.9.168-1+deb9u2 (2019-05-13)
-
-/usr/bin/uname -p = unknown
-/bin/uname -X     = unknown
-
-/bin/arch              = unknown
-/usr/bin/arch -k       = unknown
-/usr/convex/getsysinfo = unknown
-/usr/bin/hostinfo      = unknown
-/bin/machine           = unknown
-/usr/bin/oslevel       = unknown
-/bin/universe          = unknown
-
-PATH: /usr/local/bin
-PATH: /usr/bin
-PATH: /bin
-PATH: /usr/local/games
-PATH: /usr/games
-PATH: /opt/gurobi801/linux64/bin
-
-
-## ----------- ##
-## Core tests. ##
-## ----------- ##
-
-configure:2113: checking for gcc
-configure:2140: result: gcc -std=gnu99
-configure:2369: checking for C compiler version
-configure:2378: gcc -std=gnu99 --version >&5
-gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
-Copyright (C) 2016 Free Software Foundation, Inc.
-This is free software; see the source for copying conditions.  There is NO
-warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-configure:2389: $? = 0
-configure:2378: gcc -std=gnu99 -v >&5
-Using built-in specs.
-COLLECT_GCC=gcc
-COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/6/lto-wrapper
-Target: x86_64-linux-gnu
-Configured with: ../src/configure -v --with-pkgversion='Debian 6.3.0-18+deb9u1' --with-bugurl=file:///usr/share/doc/gcc-6/README.Bugs --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-6 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-6-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-6-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
-Thread model: posix
-gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1) 
-configure:2389: $? = 0
-configure:2378: gcc -std=gnu99 -V >&5
-gcc: error: unrecognized command line option '-V'
-gcc: fatal error: no input files
-compilation terminated.
-configure:2389: $? = 1
-configure:2378: gcc -std=gnu99 -qversion >&5
-gcc: error: unrecognized command line option '-qversion'; did you mean '--version'?
-gcc: fatal error: no input files
-compilation terminated.
-configure:2389: $? = 1
-configure:2409: checking whether the C compiler works
-configure:2431: gcc -std=gnu99 -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   conftest.c  >&5
-configure:2435: $? = 0
-configure:2483: result: yes
-configure:2486: checking for C compiler default output file name
-configure:2488: result: a.out
-configure:2494: checking for suffix of executables
-configure:2501: gcc -std=gnu99 -o conftest -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   conftest.c  >&5
-configure:2505: $? = 0
-configure:2527: result: 
-configure:2549: checking whether we are cross compiling
-configure:2557: gcc -std=gnu99 -o conftest -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   conftest.c  >&5
-configure:2561: $? = 0
-configure:2568: ./conftest
-configure:2572: $? = 0
-configure:2587: result: no
-configure:2592: checking for suffix of object files
-configure:2614: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g  conftest.c >&5
-configure:2618: $? = 0
-configure:2639: result: o
-configure:2643: checking whether we are using the GNU C compiler
-configure:2662: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g  conftest.c >&5
-configure:2662: $? = 0
-configure:2671: result: yes
-configure:2680: checking whether gcc -std=gnu99 accepts -g
-configure:2700: gcc -std=gnu99 -c -g  conftest.c >&5
-configure:2700: $? = 0
-configure:2741: result: yes
-configure:2758: checking for gcc -std=gnu99 option to accept ISO C89
-configure:2821: gcc -std=gnu99  -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g  conftest.c >&5
-configure:2821: $? = 0
-configure:2834: result: none needed
-configure:2859: checking how to run the C preprocessor
-configure:2929: result: gcc -std=gnu99 -E
-configure:2949: gcc -std=gnu99 -E  conftest.c
-configure:2949: $? = 0
-configure:2963: gcc -std=gnu99 -E  conftest.c
-conftest.c:9:28: fatal error: ac_nonexistent.h: No such file or directory
- #include <ac_nonexistent.h>
-                            ^
-compilation terminated.
-configure:2963: $? = 1
-configure: failed program was:
-| /* confdefs.h */
-| #define PACKAGE_NAME "clpAPI"
-| #define PACKAGE_TARNAME "clpapi"
-| #define PACKAGE_VERSION "1.2.10"
-| #define PACKAGE_STRING "clpAPI 1.2.10"
-| #define PACKAGE_BUGREPORT "mayo.roettger@hhu.de"
-| #define PACKAGE_URL ""
-| /* end confdefs.h.  */
-| #include <ac_nonexistent.h>
-configure:3323: checking for grep that handles long lines and -e
-configure:3381: result: /bin/grep
-configure:3386: checking for egrep
-configure:3448: result: /bin/grep -E
-configure:3453: checking for ANSI C header files
-configure:3473: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3473: $? = 0
-configure:3546: gcc -std=gnu99 -o conftest -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin  conftest.c -L/home/mayo/Clp-1.17.2/lib -lClp -lCoinUtils -lm >&5
-configure:3546: $? = 0
-configure:3546: ./conftest
-configure:3546: $? = 0
-configure:3557: result: yes
-configure:3570: checking for sys/types.h
-configure:3570: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3570: $? = 0
-configure:3570: result: yes
-configure:3570: checking for sys/stat.h
-configure:3570: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3570: $? = 0
-configure:3570: result: yes
-configure:3570: checking for stdlib.h
-configure:3570: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3570: $? = 0
-configure:3570: result: yes
-configure:3570: checking for string.h
-configure:3570: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3570: $? = 0
-configure:3570: result: yes
-configure:3570: checking for memory.h
-configure:3570: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3570: $? = 0
-configure:3570: result: yes
-configure:3570: checking for strings.h
-configure:3570: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3570: $? = 0
-configure:3570: result: yes
-configure:3570: checking for inttypes.h
-configure:3570: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3570: $? = 0
-configure:3570: result: yes
-configure:3570: checking for stdint.h
-configure:3570: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3570: $? = 0
-configure:3570: result: yes
-configure:3570: checking for unistd.h
-configure:3570: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3570: $? = 0
-configure:3570: result: yes
-configure:3584: checking stdbool.h usability
-configure:3584: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3584: $? = 0
-configure:3584: result: yes
-configure:3584: checking stdbool.h presence
-configure:3584: gcc -std=gnu99 -E  -I/home/mayo/Clp-1.17.2/include/coin conftest.c
-configure:3584: $? = 0
-configure:3584: result: yes
-configure:3584: checking for stdbool.h
-configure:3584: result: yes
-configure:3597: checking for Clp_C_Interface.h
-configure:3597: gcc -std=gnu99 -c -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin conftest.c >&5
-configure:3597: $? = 0
-configure:3597: result: yes
-configure:3612: checking for library containing Clp_newModel
-configure:3643: gcc -std=gnu99 -o conftest -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin  conftest.c -L/home/mayo/Clp-1.17.2/lib -lClp -lCoinUtils -lm >&5
-configure:3643: $? = 0
-configure:3660: result: none required
-configure:3675: checking for library containing Clp_setRowName
-configure:3706: gcc -std=gnu99 -o conftest -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g   -I/home/mayo/Clp-1.17.2/include/coin  conftest.c -L/home/mayo/Clp-1.17.2/lib -lClp -lCoinUtils -lm >&5
-configure:3706: $? = 0
-configure:3723: result: none required
-configure:3863: creating ./config.status
-
-## ---------------------- ##
-## Running config.status. ##
-## ---------------------- ##
-
-This file was extended by clpAPI config.status 1.2.10, which was
-generated by GNU Autoconf 2.69.  Invocation command line was
-
-  CONFIG_FILES    = 
-  CONFIG_HEADERS  = 
-  CONFIG_LINKS    = 
-  CONFIG_COMMANDS = 
-  $ ./config.status 
-
-on debian
-
-config.status:805: creating src/Makevars
-config.status:805: creating src/config.h
-config.status:975: src/config.h is unchanged
-
-## ---------------- ##
-## Cache variables. ##
-## ---------------- ##
-
-ac_cv_c_compiler_gnu=yes
-ac_cv_env_CC_set=
-ac_cv_env_CC_value=
-ac_cv_env_CFLAGS_set=
-ac_cv_env_CFLAGS_value=
-ac_cv_env_CPPFLAGS_set=
-ac_cv_env_CPPFLAGS_value=
-ac_cv_env_CPP_set=
-ac_cv_env_CPP_value=
-ac_cv_env_LDFLAGS_set=
-ac_cv_env_LDFLAGS_value=
-ac_cv_env_LIBS_set=
-ac_cv_env_LIBS_value=
-ac_cv_env_build_alias_set=
-ac_cv_env_build_alias_value=
-ac_cv_env_host_alias_set=
-ac_cv_env_host_alias_value=
-ac_cv_env_target_alias_set=
-ac_cv_env_target_alias_value=
-ac_cv_header_Clp_C_Interface_h=yes
-ac_cv_header_inttypes_h=yes
-ac_cv_header_memory_h=yes
-ac_cv_header_stdbool_h=yes
-ac_cv_header_stdc=yes
-ac_cv_header_stdint_h=yes
-ac_cv_header_stdlib_h=yes
-ac_cv_header_string_h=yes
-ac_cv_header_strings_h=yes
-ac_cv_header_sys_stat_h=yes
-ac_cv_header_sys_types_h=yes
-ac_cv_header_unistd_h=yes
-ac_cv_objext=o
-ac_cv_path_EGREP='/bin/grep -E'
-ac_cv_path_GREP=/bin/grep
-ac_cv_prog_CPP='gcc -std=gnu99 -E'
-ac_cv_prog_ac_ct_CC='gcc -std=gnu99'
-ac_cv_prog_cc_c89=
-ac_cv_prog_cc_g=yes
-ac_cv_search_Clp_newModel='none required'
-ac_cv_search_Clp_setRowName='none required'
-
-## ----------------- ##
-## Output variables. ##
-## ----------------- ##
-
-CC='gcc -std=gnu99'
-CFLAGS='-g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g '
-CPP='gcc -std=gnu99 -E'
-CPPFLAGS=' -I/home/mayo/Clp-1.17.2/include/coin'
-DEFS='-DHAVE_CONFIG_H'
-ECHO_C=''
-ECHO_N='-n'
-ECHO_T=''
-EGREP='/bin/grep -E'
-EXEEXT=''
-GREP='/bin/grep'
-LDFLAGS=''
-LIBOBJS=''
-LIBS='-L/home/mayo/Clp-1.17.2/lib -lClp -lCoinUtils -lm'
-LTLIBOBJS=''
-OBJEXT='o'
-PACKAGE_BUGREPORT='mayo.roettger@hhu.de'
-PACKAGE_NAME='clpAPI'
-PACKAGE_STRING='clpAPI 1.2.10'
-PACKAGE_TARNAME='clpapi'
-PACKAGE_URL=''
-PACKAGE_VERSION='1.2.10'
-PATH_SEPARATOR=':'
-PKG_CFLAGS=''
-PKG_CONFIG=''
-PKG_CPPFLAGS='-DHAVE_CONFIG_H -I/home/mayo/Clp-1.17.2/include/coin'
-PKG_LIBS='-L/home/mayo/Clp-1.17.2/lib -lClp -lCoinUtils -lm'
-SHELL='/bin/bash'
-ac_ct_CC='gcc -std=gnu99'
-ac_prefix_program=''
-bindir='${exec_prefix}/bin'
-build_alias=''
-datadir='${datarootdir}'
-datarootdir='${prefix}/share'
-docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
-dvidir='${docdir}'
-exec_prefix='${prefix}'
-host_alias=''
-htmldir='${docdir}'
-includedir='${prefix}/include'
-infodir='${datarootdir}/info'
-libdir='${exec_prefix}/lib'
-libexecdir='${exec_prefix}/libexec'
-localedir='${datarootdir}/locale'
-localstatedir='${prefix}/var'
-mandir='${datarootdir}/man'
-oldincludedir='/usr/include'
-pdfdir='${docdir}'
-prefix='/usr/local'
-program_transform_name='s,x,x,'
-psdir='${docdir}'
-runstatedir='${localstatedir}/run'
-sbindir='${exec_prefix}/sbin'
-sharedstatedir='${prefix}/com'
-sysconfdir='${prefix}/etc'
-target_alias=''
-
-## ----------- ##
-## confdefs.h. ##
-## ----------- ##
-
-/* confdefs.h */
-#define PACKAGE_NAME "clpAPI"
-#define PACKAGE_TARNAME "clpapi"
-#define PACKAGE_VERSION "1.2.10"
-#define PACKAGE_STRING "clpAPI 1.2.10"
-#define PACKAGE_BUGREPORT "mayo.roettger@hhu.de"
-#define PACKAGE_URL ""
-#define STDC_HEADERS 1
-#define HAVE_SYS_TYPES_H 1
-#define HAVE_SYS_STAT_H 1
-#define HAVE_STDLIB_H 1
-#define HAVE_STRING_H 1
-#define HAVE_MEMORY_H 1
-#define HAVE_STRINGS_H 1
-#define HAVE_INTTYPES_H 1
-#define HAVE_STDINT_H 1
-#define HAVE_UNISTD_H 1
-#define HAVE_STDBOOL_H 1
-#define HAVE_CLP_EXT1_17_2 1
-
-configure: exit 0
diff --git a/config.status b/config.status
deleted file mode 100755
index 33a7702988da3448639342341f3557aa6ba69e7d..0000000000000000000000000000000000000000
--- a/config.status
+++ /dev/null
@@ -1,995 +0,0 @@
-#! /bin/bash
-# Generated by configure.
-# Run this file to recreate the current configuration.
-# Compiler output produced by configure, useful for debugging
-# configure, is in config.log if it exists.
-
-debug=false
-ac_cs_recheck=false
-ac_cs_silent=false
-
-SHELL=${CONFIG_SHELL-/bin/bash}
-export SHELL
-## -------------------- ##
-## M4sh Initialization. ##
-## -------------------- ##
-
-# Be more Bourne compatible
-DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
-  emulate sh
-  NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in #(
-  *posix*) :
-    set -o posix ;; #(
-  *) :
-     ;;
-esac
-fi
-
-
-as_nl='
-'
-export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-# Prefer a ksh shell builtin over an external printf program on Solaris,
-# but without wasting forks for bash or zsh.
-if test -z "$BASH_VERSION$ZSH_VERSION" \
-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='print -r --'
-  as_echo_n='print -rn --'
-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in #(
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
-
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  PATH_SEPARATOR=:
-  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
-    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
-      PATH_SEPARATOR=';'
-  }
-fi
-
-
-# IFS
-# We need space, tab and new line, in precisely that order.  Quoting is
-# there to prevent editors from complaining about space-tab.
-# (If _AS_PATH_WALK were called with IFS unset, it would disable word
-# splitting by setting IFS to empty value.)
-IFS=" ""	$as_nl"
-
-# Find who we are.  Look in the path if we contain no directory separator.
-as_myself=
-case $0 in #((
-  *[\\/]* ) as_myself=$0 ;;
-  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-  done
-IFS=$as_save_IFS
-
-     ;;
-esac
-# We did not find ourselves, most probably we were run as `sh COMMAND'
-# in which case we are not to be found in the path.
-if test "x$as_myself" = x; then
-  as_myself=$0
-fi
-if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  exit 1
-fi
-
-# Unset variables that we do not need and which cause bugs (e.g. in
-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
-# suppresses any "Segmentation fault" message there.  '((' could
-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-
-# as_fn_error STATUS ERROR [LINENO LOG_FD]
-# ----------------------------------------
-# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
-# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
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-as_fn_error ()
-{
-  as_status=$1; test $as_status -eq 0 && as_status=1
-  if test "$4"; then
-    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
-  fi
-  $as_echo "$as_me: error: $2" >&2
-  as_fn_exit $as_status
-} # as_fn_error
-
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-
-# as_fn_unset VAR
-# ---------------
-# Portably unset VAR.
-as_fn_unset ()
-{
-  { eval $1=; unset $1;}
-}
-as_unset=as_fn_unset
-# as_fn_append VAR VALUE
-# ----------------------
-# Append the text in VALUE to the end of the definition contained in VAR. Take
-# advantage of any shell optimizations that allow amortized linear growth over
-# repeated appends, instead of the typical quadratic growth present in naive
-# implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
-  eval 'as_fn_append ()
-  {
-    eval $1+=\$2
-  }'
-else
-  as_fn_append ()
-  {
-    eval $1=\$$1\$2
-  }
-fi # as_fn_append
-
-# as_fn_arith ARG...
-# ------------------
-# Perform arithmetic evaluation on the ARGs, and store the result in the
-# global $as_val. Take advantage of shells that can avoid forks. The arguments
-# must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
-  eval 'as_fn_arith ()
-  {
-    as_val=$(( $* ))
-  }'
-else
-  as_fn_arith ()
-  {
-    as_val=`expr "$@" || test $? -eq 1`
-  }
-fi # as_fn_arith
-
-
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
-  as_basename=basename
-else
-  as_basename=false
-fi
-
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
-
-as_me=`$as_basename -- "$0" ||
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
-ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in #(((((
--n*)
-  case `echo 'xy\c'` in
-  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  xy)  ECHO_C='\c';;
-  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
-       ECHO_T='	';;
-  esac;;
-*)
-  ECHO_N='-n';;
-esac
-
-rm -f conf$$ conf$$.exe conf$$.file
-if test -d conf$$.dir; then
-  rm -f conf$$.dir/conf$$.file
-else
-  rm -f conf$$.dir
-  mkdir conf$$.dir 2>/dev/null
-fi
-if (echo >conf$$.file) 2>/dev/null; then
-  if ln -s conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s='ln -s'
-    # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
-    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -pR'
-  elif ln conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s=ln
-  else
-    as_ln_s='cp -pR'
-  fi
-else
-  as_ln_s='cp -pR'
-fi
-rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
-rmdir conf$$.dir 2>/dev/null
-
-
-# as_fn_mkdir_p
-# -------------
-# Create "$as_dir" as a directory, including parents if necessary.
-as_fn_mkdir_p ()
-{
-
-  case $as_dir in #(
-  -*) as_dir=./$as_dir;;
-  esac
-  test -d "$as_dir" || eval $as_mkdir_p || {
-    as_dirs=
-    while :; do
-      case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
-      *) as_qdir=$as_dir;;
-      esac
-      as_dirs="'$as_qdir' $as_dirs"
-      as_dir=`$as_dirname -- "$as_dir" ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-      test -d "$as_dir" && break
-    done
-    test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
-
-
-} # as_fn_mkdir_p
-if mkdir -p . 2>/dev/null; then
-  as_mkdir_p='mkdir -p "$as_dir"'
-else
-  test -d ./-p && rmdir ./-p
-  as_mkdir_p=false
-fi
-
-
-# as_fn_executable_p FILE
-# -----------------------
-# Test if FILE is an executable regular file.
-as_fn_executable_p ()
-{
-  test -f "$1" && test -x "$1"
-} # as_fn_executable_p
-as_test_x='test -x'
-as_executable_p=as_fn_executable_p
-
-# Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
-
-# Sed expression to map a string onto a valid variable name.
-as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
-
-
-exec 6>&1
-## ----------------------------------- ##
-## Main body of $CONFIG_STATUS script. ##
-## ----------------------------------- ##
-# Save the log message, to keep $0 and so on meaningful, and to
-# 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
-generated by GNU Autoconf 2.69.  Invocation command line was
-
-  CONFIG_FILES    = $CONFIG_FILES
-  CONFIG_HEADERS  = $CONFIG_HEADERS
-  CONFIG_LINKS    = $CONFIG_LINKS
-  CONFIG_COMMANDS = $CONFIG_COMMANDS
-  $ $0 $@
-
-on `(hostname || uname -n) 2>/dev/null | sed 1q`
-"
-
-# Files that config.status was made for.
-config_files=" src/Makevars"
-config_headers=" src/config.h"
-
-ac_cs_usage="\
-\`$as_me' instantiates files and other configuration actions
-from templates according to the current configuration.  Unless the files
-and actions are specified as TAGs, all are instantiated by default.
-
-Usage: $0 [OPTION]... [TAG]...
-
-  -h, --help       print this help, then exit
-  -V, --version    print version number and configuration settings, then exit
-      --config     print configuration, then exit
-  -q, --quiet, --silent
-                   do not print progress messages
-  -d, --debug      don't remove temporary files
-      --recheck    update $as_me by reconfiguring in the same conditions
-      --file=FILE[:TEMPLATE]
-                   instantiate the configuration file FILE
-      --header=FILE[:TEMPLATE]
-                   instantiate the configuration header FILE
-
-Configuration files:
-$config_files
-
-Configuration headers:
-$config_headers
-
-Report bugs to <mayo.roettger@hhu.de>."
-
-ac_cs_config=""
-ac_cs_version="\
-clpAPI config.status 1.2.10
-configured by ./configure, generated by GNU Autoconf 2.69,
-  with options \"$ac_cs_config\"
-
-Copyright (C) 2012 Free Software Foundation, Inc.
-This config.status script is free software; the Free Software Foundation
-gives unlimited permission to copy, distribute and modify it."
-
-ac_pwd='/media/sf_VMShare/git_repositories/clpAPI'
-srcdir='.'
-test -n "$AWK" || AWK=awk
-# The default lists apply if the user does not specify any file.
-ac_need_defaults=:
-while test $# != 0
-do
-  case $1 in
-  --*=?*)
-    ac_option=`expr "X$1" : 'X\([^=]*\)='`
-    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
-    ac_shift=:
-    ;;
-  --*=)
-    ac_option=`expr "X$1" : 'X\([^=]*\)='`
-    ac_optarg=
-    ac_shift=:
-    ;;
-  *)
-    ac_option=$1
-    ac_optarg=$2
-    ac_shift=shift
-    ;;
-  esac
-
-  case $ac_option in
-  # Handling of the options.
-  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
-    ac_cs_recheck=: ;;
-  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
-    $as_echo "$ac_cs_version"; exit ;;
-  --config | --confi | --conf | --con | --co | --c )
-    $as_echo "$ac_cs_config"; exit ;;
-  --debug | --debu | --deb | --de | --d | -d )
-    debug=: ;;
-  --file | --fil | --fi | --f )
-    $ac_shift
-    case $ac_optarg in
-    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
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-    esac
-    as_fn_append CONFIG_FILES " '$ac_optarg'"
-    ac_need_defaults=false;;
-  --header | --heade | --head | --hea )
-    $ac_shift
-    case $ac_optarg in
-    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
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-    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
-    ac_need_defaults=false;;
-  --he | --h)
-    # Conflict between --help and --header
-    as_fn_error $? "ambiguous option: \`$1'
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-  --help | --hel | -h )
-    $as_echo "$ac_cs_usage"; exit ;;
-  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
-  | -silent | --silent | --silen | --sile | --sil | --si | --s)
-    ac_cs_silent=: ;;
-
-  # This is an error.
-  -*) as_fn_error $? "unrecognized option: \`$1'
-Try \`$0 --help' for more information." ;;
-
-  *) as_fn_append ac_config_targets " $1"
-     ac_need_defaults=false ;;
-
-  esac
-  shift
-done
-
-ac_configure_extra_args=
-
-if $ac_cs_silent; then
-  exec 6>/dev/null
-  ac_configure_extra_args="$ac_configure_extra_args --silent"
-fi
-
-if $ac_cs_recheck; then
-  set X /bin/bash './configure'  $ac_configure_extra_args --no-create --no-recursion
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-  $as_echo "running CONFIG_SHELL=/bin/bash $*" >&6
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-  export CONFIG_SHELL
-  exec "$@"
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-
-exec 5>>config.log
-{
-  echo
-  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
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-  $as_echo "$ac_log"
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-
-# Handling of arguments.
-for ac_config_target in $ac_config_targets
-do
-  case $ac_config_target in
-    "src/config.h") CONFIG_HEADERS="$CONFIG_HEADERS src/config.h" ;;
-    "src/Makevars") CONFIG_FILES="$CONFIG_FILES src/Makevars" ;;
-
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
-  esac
-done
-
-
-# If the user did not use the arguments to specify the items to instantiate,
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-# We use the long form for the default assignment because of an extremely
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-  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
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-
-# Have a temporary directory for convenience.  Make it in the build tree
-# simply because there is no reason against having it here, and in addition,
-# creating and moving files from /tmp can sometimes cause problems.
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-{
-  tmp= ac_tmp=
-  trap 'exit_status=$?
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-  trap 'as_fn_exit 1' 1 2 13 15
-}
-# Create a (secure) tmp directory for tmp files.
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-{
-  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -d "$tmp"
-}  ||
-{
-  tmp=./conf$$-$RANDOM
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-ac_tmp=$tmp
-
-# Set up the scripts for CONFIG_FILES section.
-# No need to generate them if there are no CONFIG_FILES.
-# This happens for instance with `./config.status config.h'.
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-
-
-ac_cr=`echo X | tr X '\015'`
-# On cygwin, bash can eat \r inside `` if the user requested igncr.
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-ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
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-echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
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-S["LTLIBOBJS"]=""
-S["LIBOBJS"]=""
-S["PKG_CPPFLAGS"]="-DHAVE_CONFIG_H -I/home/mayo/Clp-1.17.2/include/coin"
-S["PKG_LIBS"]="-L/home/mayo/Clp-1.17.2/lib -lClp -lCoinUtils -lm"
-S["PKG_CFLAGS"]=""
-S["EGREP"]="/bin/grep -E"
-S["GREP"]="/bin/grep"
-S["ac_prefix_program"]=""
-S["PKG_CONFIG"]=""
-S["CPP"]="gcc -std=gnu99 -E"
-S["OBJEXT"]="o"
-S["EXEEXT"]=""
-S["ac_ct_CC"]="gcc -std=gnu99"
-S["CPPFLAGS"]=" -I/home/mayo/Clp-1.17.2/include/coin"
-S["LDFLAGS"]=""
-S["CFLAGS"]="-g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g "
-S["CC"]="gcc -std=gnu99"
-S["target_alias"]=""
-S["host_alias"]=""
-S["build_alias"]=""
-S["LIBS"]="-L/home/mayo/Clp-1.17.2/lib -lClp -lCoinUtils -lm"
-S["ECHO_T"]=""
-S["ECHO_N"]="-n"
-S["ECHO_C"]=""
-S["DEFS"]="-DHAVE_CONFIG_H"
-S["mandir"]="${datarootdir}/man"
-S["localedir"]="${datarootdir}/locale"
-S["libdir"]="${exec_prefix}/lib"
-S["psdir"]="${docdir}"
-S["pdfdir"]="${docdir}"
-S["dvidir"]="${docdir}"
-S["htmldir"]="${docdir}"
-S["infodir"]="${datarootdir}/info"
-S["docdir"]="${datarootdir}/doc/${PACKAGE_TARNAME}"
-S["oldincludedir"]="/usr/include"
-S["includedir"]="${prefix}/include"
-S["runstatedir"]="${localstatedir}/run"
-S["localstatedir"]="${prefix}/var"
-S["sharedstatedir"]="${prefix}/com"
-S["sysconfdir"]="${prefix}/etc"
-S["datadir"]="${datarootdir}"
-S["datarootdir"]="${prefix}/share"
-S["libexecdir"]="${exec_prefix}/libexec"
-S["sbindir"]="${exec_prefix}/sbin"
-S["bindir"]="${exec_prefix}/bin"
-S["program_transform_name"]="s,x,x,"
-S["prefix"]="/usr/local"
-S["exec_prefix"]="${prefix}"
-S["PACKAGE_URL"]=""
-S["PACKAGE_BUGREPORT"]="mayo.roettger@hhu.de"
-S["PACKAGE_STRING"]="clpAPI 1.2.10"
-S["PACKAGE_VERSION"]="1.2.10"
-S["PACKAGE_TARNAME"]="clpapi"
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-S["PATH_SEPARATOR"]=":"
-S["SHELL"]="/bin/bash"
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-}
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-
-  print line
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-
-_ACAWK
-if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
-  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
-else
-  cat
-fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
-  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
-fi # test -n "$CONFIG_FILES"
-
-# Set up the scripts for CONFIG_HEADERS section.
-# No need to generate them if there are no CONFIG_HEADERS.
-# This happens for instance with `./config.status Makefile'.
-if test -n "$CONFIG_HEADERS"; then
-cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
-BEGIN {
-D["PACKAGE_NAME"]=" \"clpAPI\""
-D["PACKAGE_TARNAME"]=" \"clpapi\""
-D["PACKAGE_VERSION"]=" \"1.2.10\""
-D["PACKAGE_STRING"]=" \"clpAPI 1.2.10\""
-D["PACKAGE_BUGREPORT"]=" \"mayo.roettger@hhu.de\""
-D["PACKAGE_URL"]=" \"\""
-D["STDC_HEADERS"]=" 1"
-D["HAVE_SYS_TYPES_H"]=" 1"
-D["HAVE_SYS_STAT_H"]=" 1"
-D["HAVE_STDLIB_H"]=" 1"
-D["HAVE_STRING_H"]=" 1"
-D["HAVE_MEMORY_H"]=" 1"
-D["HAVE_STRINGS_H"]=" 1"
-D["HAVE_INTTYPES_H"]=" 1"
-D["HAVE_STDINT_H"]=" 1"
-D["HAVE_UNISTD_H"]=" 1"
-D["HAVE_STDBOOL_H"]=" 1"
-D["HAVE_CLP_EXT1_17_2"]=" 1"
-  for (key in D) D_is_set[key] = 1
-  FS = ""
-}
-/^[\t ]*#[\t ]*(define|undef)[\t ]+[_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ][_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789]*([\t (]|$)/ {
-  line = $ 0
-  split(line, arg, " ")
-  if (arg[1] == "#") {
-    defundef = arg[2]
-    mac1 = arg[3]
-  } else {
-    defundef = substr(arg[1], 2)
-    mac1 = arg[2]
-  }
-  split(mac1, mac2, "(") #)
-  macro = mac2[1]
-  prefix = substr(line, 1, index(line, defundef) - 1)
-  if (D_is_set[macro]) {
-    # Preserve the white space surrounding the "#".
-    print prefix "define", macro P[macro] D[macro]
-    next
-  } else {
-    # Replace #undef with comments.  This is necessary, for example,
-    # in the case of _POSIX_SOURCE, which is predefined and required
-    # on some systems where configure will not decide to define it.
-    if (defundef == "undef") {
-      print "/*", prefix defundef, macro, "*/"
-      next
-    }
-  }
-}
-{ print }
-_ACAWK
-  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
-fi # test -n "$CONFIG_HEADERS"
-
-
-eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    "
-shift
-for ac_tag
-do
-  case $ac_tag in
-  :[FHLC]) ac_mode=$ac_tag; continue;;
-  esac
-  case $ac_mode$ac_tag in
-  :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
-  :[FH]-) ac_tag=-:-;;
-  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
-  esac
-  ac_save_IFS=$IFS
-  IFS=:
-  set x $ac_tag
-  IFS=$ac_save_IFS
-  shift
-  ac_file=$1
-  shift
-
-  case $ac_mode in
-  :L) ac_source=$1;;
-  :[FH])
-    ac_file_inputs=
-    for ac_f
-    do
-      case $ac_f in
-      -) ac_f="$ac_tmp/stdin";;
-      *) # Look for the file first in the build tree, then in the source tree
-	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
-	 # because $ac_f cannot contain `:'.
-	 test -f "$ac_f" ||
-	   case $ac_f in
-	   [\\/$]*) false;;
-	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
-	   esac ||
-	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
-      esac
-      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
-      as_fn_append ac_file_inputs " '$ac_f'"
-    done
-
-    # Let's still pretend it is `configure' which instantiates (i.e., don't
-    # use $as_me), people would be surprised to read:
-    #    /* config.h.  Generated by config.status.  */
-    configure_input='Generated from '`
-	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
-	`' by configure.'
-    if test x"$ac_file" != x-; then
-      configure_input="$ac_file.  $configure_input"
-      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-$as_echo "$as_me: creating $ac_file" >&6;}
-    fi
-    # Neutralize special characters interpreted by sed in replacement strings.
-    case $configure_input in #(
-    *\&* | *\|* | *\\* )
-       ac_sed_conf_input=`$as_echo "$configure_input" |
-       sed 's/[\\\\&|]/\\\\&/g'`;; #(
-    *) ac_sed_conf_input=$configure_input;;
-    esac
-
-    case $ac_tag in
-    *:-:* | *:-) cat >"$ac_tmp/stdin" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
-    esac
-    ;;
-  esac
-
-  ac_dir=`$as_dirname -- "$ac_file" ||
-$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$ac_file" : 'X\(//\)[^/]' \| \
-	 X"$ac_file" : 'X\(//\)$' \| \
-	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$ac_file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-  as_dir="$ac_dir"; as_fn_mkdir_p
-  ac_builddir=.
-
-case "$ac_dir" in
-.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
-*)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
-  # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
-  case $ac_top_builddir_sub in
-  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
-  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
-  esac ;;
-esac
-ac_abs_top_builddir=$ac_pwd
-ac_abs_builddir=$ac_pwd$ac_dir_suffix
-# for backward compatibility:
-ac_top_builddir=$ac_top_build_prefix
-
-case $srcdir in
-  .)  # We are building in place.
-    ac_srcdir=.
-    ac_top_srcdir=$ac_top_builddir_sub
-    ac_abs_top_srcdir=$ac_pwd ;;
-  [\\/]* | ?:[\\/]* )  # Absolute name.
-    ac_srcdir=$srcdir$ac_dir_suffix;
-    ac_top_srcdir=$srcdir
-    ac_abs_top_srcdir=$srcdir ;;
-  *) # Relative name.
-    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_top_build_prefix$srcdir
-    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
-esac
-ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
-
-
-  case $ac_mode in
-  :F)
-  #
-  # CONFIG_FILE
-  #
-
-# If the template does not know about datarootdir, expand it.
-# FIXME: This hack should be removed a few years after 2.60.
-ac_datarootdir_hack=; ac_datarootdir_seen=
-ac_sed_dataroot='
-/datarootdir/ {
-  p
-  q
-}
-/@datadir@/p
-/@docdir@/p
-/@infodir@/p
-/@localedir@/p
-/@mandir@/p'
-case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
-*datarootdir*) ac_datarootdir_seen=yes;;
-*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
-  ac_datarootdir_hack='
-  s&@datadir@&${datarootdir}&g
-  s&@docdir@&${datarootdir}/doc/${PACKAGE_TARNAME}&g
-  s&@infodir@&${datarootdir}/info&g
-  s&@localedir@&${datarootdir}/locale&g
-  s&@mandir@&${datarootdir}/man&g
-  s&\${datarootdir}&${prefix}/share&g' ;;
-esac
-ac_sed_extra="/^[	 ]*VPATH[	 ]*=[	 ]*/{
-h
-s///
-s/^/:/
-s/[	 ]*$/:/
-s/:\$(srcdir):/:/g
-s/:\${srcdir}:/:/g
-s/:@srcdir@:/:/g
-s/^:*//
-s/:*$//
-x
-s/\(=[	 ]*\).*/\1/
-G
-s/\n//
-s/^[^=]*=[	 ]*$//
-}
-
-:t
-/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
-s|@configure_input@|$ac_sed_conf_input|;t t
-s&@top_builddir@&$ac_top_builddir_sub&;t t
-s&@top_build_prefix@&$ac_top_build_prefix&;t t
-s&@srcdir@&$ac_srcdir&;t t
-s&@abs_srcdir@&$ac_abs_srcdir&;t t
-s&@top_srcdir@&$ac_top_srcdir&;t t
-s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
-s&@builddir@&$ac_builddir&;t t
-s&@abs_builddir@&$ac_abs_builddir&;t t
-s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
-$ac_datarootdir_hack
-"
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
-  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
-
-test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
-      "$ac_tmp/out"`; test -z "$ac_out"; } &&
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined" >&5
-$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined" >&2;}
-
-  rm -f "$ac_tmp/stdin"
-  case $ac_file in
-  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
-  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
-  esac \
-  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
- ;;
-  :H)
-  #
-  # CONFIG_HEADER
-  #
-  if test x"$ac_file" != x-; then
-    {
-      $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
-    } >"$ac_tmp/config.h" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
-    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
-$as_echo "$as_me: $ac_file is unchanged" >&6;}
-    else
-      rm -f "$ac_file"
-      mv "$ac_tmp/config.h" "$ac_file" \
-	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
-    fi
-  else
-    $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
-      || as_fn_error $? "could not create -" "$LINENO" 5
-  fi
- ;;
-
-
-  esac
-
-done # for ac_tag
-
-
-as_fn_exit 0
diff --git a/configure b/configure
index 9f962684e94ec9bd8dfd9331c4ad1e65c40953fc..02f3c3f4c77704050670455ecac8224d0b0a8d42 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 1.2.11.
+# Generated by GNU Autoconf 2.69 for clpAPI 1.2.13.
 #
 # Report bugs to <mayo.roettger@hhu.de>.
 #
@@ -580,8 +580,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='clpAPI'
 PACKAGE_TARNAME='clpapi'
-PACKAGE_VERSION='1.2.11'
-PACKAGE_STRING='clpAPI 1.2.11'
+PACKAGE_VERSION='1.2.13'
+PACKAGE_STRING='clpAPI 1.2.13'
 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 1.2.11 to adapt to many kinds of systems.
+\`configure' configures clpAPI 1.2.13 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 1.2.11:";;
+     short | recursive ) echo "Configuration of clpAPI 1.2.13:";;
    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 1.2.11
+clpAPI configure 1.2.13
 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 1.2.11, which was
+It was created by clpAPI $as_me 1.2.13, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2059,7 +2059,6 @@ if test -z "${R_HOME}"; then
 fi
 
 CC=`"${R_HOME}/bin/R" CMD config CC`
-#CPP=`"${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 +4251,7 @@ 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 1.2.11, which was
+This file was extended by clpAPI $as_me 1.2.13, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -4314,7 +4313,7 @@ _ACEOF
 cat >>$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 1.2.11
+clpAPI config.status 1.2.13
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 3c39d1e5467107360859f8d94e270bb55d7090ca..c9ec3eb83a0fd9dbab1061e90fd97907899c9c59 100755
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([clpAPI], [1.2.11], [mayo.roettger@hhu.de])
+AC_INIT([clpAPI], [1.2.13], [mayo.roettger@hhu.de])
 
 dnl # --------------------------------------------------------------------
 dnl # template config.h.in
@@ -29,7 +29,6 @@ fi
 
 dnl # GNU R default settings
 CC=`"${R_HOME}/bin/R" CMD config CC`
-#CPP=`"${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 ac878c8db2c713e87a2aa0c6476a85576d6b7f22..3743e4671b3f1875036bab488b26c9d700dd5ab6 100755
--- a/inst/NEWS.Rd
+++ b/inst/NEWS.Rd
@@ -4,7 +4,7 @@
 \title{clpAPI News}
 \encoding{UTF-8}
 % ---------------------------------------------------------------------------- %
-\section{Changes in version 1.2.12 2020-02-13}{
+\section{Changes in version 1.2.13 2020-02-13}{
   \itemize{
     \item Quick fix for CRAN issue: 'config' variable 'CPP' is deprecated.
   }