Include GnuTLs in the Travis build

.travis.yml

Add in the gnutls build.

build-env/Dockerfile.build-env
build-env/Dockerfile.develop

Add in libgnutls28-dev to the apt-get list.

scripts/build.sh
scripts/dist.sh

Support TLS set to gnutls for building.

.travis.yml

@@ -11,6 +11,7 @@ services:
 env:
   - PLATFORM=posix TESTS=yes TLS=no
   - PLATFORM=posix TESTS=yes TLS=openssl
+  - PLATFORM=posix TESTS=yes TLS=gnutls
   - PLATFORM=posix TESTS=yes TLS=tinydtls
   - PLATFORM=contiki TLS=no
   - PLATFORM=lwip TLS=no

build-env/Dockerfile.build-env

@@ -2,6 +2,6 @@ FROM debian:testing-slim
 
 RUN apt-get update && apt-get install -y autoconf automake gcc clang \
   libtool libtool-bin make pkg-config libcunit1-dev libssl-dev \
-  exuberant-ctags git valgrind \
+  libgnutls28-dev exuberant-ctags git valgrind \
   graphviz doxygen libxml2-utils xsltproc docbook-xml docbook-xsl asciidoc
 RUN apt-get clean

build-env/Dockerfile.develop

@@ -17,7 +17,7 @@ RUN git clone --depth 1 https://github.com/cabo/cn-cbor.git && cd cn-cbor && ./b
 FROM debian:testing-slim
 
 RUN apt-get update && apt-get install -y autoconf automake gcc g++ gdb libtool libtool-bin make \
- pkg-config libssl-dev
+ pkg-config libssl-dev libgnutls28-dev
 RUN apt-get install -y iproute2 lsof net-tools inetutils-ping netcat-openbsd less vim
 RUN apt-get clean
 

scripts/build.sh

@@ -10,6 +10,8 @@ case "x${TLS}" in
                ;;
     xopenssl)  WITH_TLS="--with-openssl"
                ;;
+    xgnutls)   WITH_TLS="--with-gnutls"
+               ;;
     xtinydtls) WITH_TLS="--with-tinydtls --disable-shared"
                ;;
     *)         WITH_TLS="--with-gnutls"

scripts/dist.sh

@@ -31,6 +31,8 @@ case "x${TLS}" in
                ;;
     xopenssl)  WITH_TLS="--with-openssl"
                ;;
+    xgnutls)   WITH_TLS="--with-gnutls"
+               ;;
     xtinydtls) WITH_TLS="--with-tinydtls --disable-shared"
                ;;
     *)         WITH_TLS="--with-gnutls"