Build GMT on TravisCI (#5)

For now, only tries to compile and run a simple `pscoast`.
Adds build scripts in the `ci` folder and the configuration for Travis on `.travis.yml`.
The scripts download GSHHG and DCW as well.

.travis.yml

@@ -0,0 +1,37 @@
+language: c
+
+sudo: required
+
+branches:
+ only:
+ - master
+ - 5.4
+ # Regex to build tagged commits with version numbers
+ - /\d+\.\d+(\.\d+)?(\S*)?$/
+
+os:
+ - linux
+ #- osx
+
+env:
+ global:
+ - INSTALLDIR="$HOME/gmt-install-dir"
+ - COASTLINEDIR="$HOME/gmt-install-dir/coast"
+ - PATH="$INSTALLDIR/bin:$PATH"
+ - LD_LIBRARY_PATH="$INSTALLDIR/lib:$LD_LIBRARY_PATH"
+
+before_install:
+ # Install GMT dependencies
+ - bash ci/travis-setup.sh
+
+install:
+ # Build and install GMT
+ - bash ci/travis-build.sh;
+
+script:
+ - gmt defaults -Vd
+ - gmt pscoast -R0/10/0/10 -JM6i -Ba -Ggray -P -Vd > test.ps
+
+
+notifications:
+ email: false

ci/travis-build.sh

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+#!/bin/bash
+# Build and install GMT
+
+# To return a failure if any commands inside fail
+set -e
+
+mkdir build && cd build
+
+cmake -D CMAKE_INSTALL_PREFIX=$INSTALLDIR \
+ -D GMT_LIBDIR=$INSTALLDIR/lib \
+ -D DCW_ROOT=$COASTLINEDIR \
+ -D GSHHG_ROOT=$COASTLINEDIR \
+ ..
+
+make -j
+make check
+make install
+
+# Turn off exit on failure.
+set +e

ci/travis-setup.sh

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+#!/bin/bash
+# Setup TravisCI to be able to build and test GMT
+
+# To return a failure if any commands inside fail
+set -e
+
+# Install dependencies
+if [ "$TRAVIS_OS_NAME" == "linux" ]; then
+ sudo apt-get update
+ sudo apt-get install -y build-essential cmake libcurl4-gnutls-dev libnetcdf-dev \
+ libgdal1-dev libfftw3-dev libpcre3-dev liblapack-dev ghostscript curl
+else
+ echo "OSX not supported yet";
+fi
+
+# Get the coastlines and country polygons
+EXT="tar.gz"
+GSHHG="gshhg-gmt-2.3.7"
+DCW="dcw-gmt-1.1.4"
+
+mkdir $INSTALLDIR
+mkdir $COASTLINEDIR
+
+# GSHHG (coastlines, rivers, and political boundaries):
+echo ""
+echo "Downloading and unpacking GSHHG"
+echo "================================================================================"
+curl "http:https://www.soest.hawaii.edu/pwessel/gshhg/$GSHHG.$EXT" > $GSHHG.$EXT
+tar xzf $GSHHG.$EXT
+cp $GSHHG/* $COASTLINEDIR/
+
+# DCW (country polygons):
+echo ""
+echo "Downloading and unpacking DCW"
+echo "================================================================================"
+curl "http:https://www.soest.hawaii.edu/pwessel/dcw/$DCW.$EXT" > $DCW.$EXT
+tar xzf $DCW.$EXT
+cp $DCW/* $COASTLINEDIR
+
+ls $COASTLINEDIR
+
+# Turn off exit on failure.
+set +e