Run testsuite in Travis CI with docker images (#31)

* makefile: use '--build' shortcut to build ghdl.so

* move: rename subdir 'ghdl' to 'src'

* travis: add travis config file, build script and utils script

* testsuite: do not call ghdl explicitly

* readme: update

1 files changed, 72 insertions, 0 deletions

diff --git a/utils.sh b/utils.sh
new file mode 100644
index 0000000..9bbcb47
--- /dev/null
+++ b/utils.sh
@@ -0,0 +1,72 @@
+# Utils for pretty printing logs
+
+enable_color() {
+  ENABLECOLOR='-c '
+  ANSI_RED="\033[31m"
+  ANSI_GREEN="\033[32m"
+  ANSI_YELLOW="\033[33m"
+  ANSI_BLUE="\033[34m"
+  ANSI_MAGENTA="\033[35m"
+  ANSI_CYAN="\033[36;1m"
+  ANSI_DARKCYAN="\033[36m"
+  ANSI_NOCOLOR="\033[0m"
+}
+
+disable_color() { unset ENABLECOLOR ANSI_RED ANSI_GREEN ANSI_YELLOW ANSI_BLUE ANSI_MAGENTA ANSI_CYAN ANSI_DARKCYAN ANSI_NOCOLOR; }
+
+enable_color
+
+#--
+
+print_start() {
+  COL="$ANSI_BLUE"
+  if [ "x$3" != "x" ]; then
+    COL="$3"
+  fi
+  printf "$COL> $2$ANSI_NOCOLOR\n"
+}
+
+travis_start () {
+  print_start "$@"
+}
+travis_finish () {
+  :
+}
+
+[ -n "$TRAVIS" ] && {
+  # This is a trimmed down copy of
+  # https://github.com/travis-ci/travis-build/blob/master/lib/travis/build/templates/header.sh
+  travis_time_start() {
+    # `date +%N` returns the date in nanoseconds. It is used as a replacement for $RANDOM, which is only available in bash.
+    travis_timer_id=`date +%N`
+    travis_start_time=$(travis_nanoseconds)
+    echo "travis_time:start:$travis_timer_id"
+  }
+  travis_time_finish() {
+    travis_end_time=$(travis_nanoseconds)
+    local duration=$(($travis_end_time-$travis_start_time))
+    echo "travis_time:end:$travis_timer_id:start=$travis_start_time,finish=$travis_end_time,duration=$duration"
+  }
+
+  if [ "$TRAVIS_OS_NAME" = "osx" ]; then
+    travis_nanoseconds() {
+      date -u '+%s000000000'
+    }
+  else
+    travis_nanoseconds() {
+      date -u '+%s%N'
+    }
+  fi
+
+  travis_start () {
+    echo "travis_fold:start:$1"
+    travis_time_start
+    print_start "$@"
+  }
+
+  travis_finish () {
+    travis_time_finish
+    echo "travis_fold:end:$1"
+  }
+
+} || echo "INFO: not in Travis CI"