Travis: Initial build attempt

Note: Forced Unix scripts to LF endings

.gitattributes

@@ -1,3 +1,5 @@
 * text eol=crlf
 *.up -text
 *.UP -text
+travis_*.sh text eol=lf
+.travis.yml text eol=lf

.travis.yml

@@ -0,0 +1,27 @@
+language: c
+
+dist:  bionic
+
+addons:
+  apt:
+    sources:
+      - sourceline: 'ppa:dosemu2/ppa'
+      - sourceline: 'ppa:stsp-0/djgpp'
+      - sourceline: 'ppa:tkchia/build-ia16'
+    packages:
+      - gcc-ia16-elf
+      - nasm
+      - upx
+    update: true
+
+before_install:
+  - ./travis_prereq.sh
+
+install:
+  - ./travis_build.sh
+
+before_script:
+  - echo "before_script"
+
+script:
+  - ./travis_test.sh

travis_build.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+make all COMPILER=gcc
+

travis_prereq.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+#sudo add-apt-repository ppa:dosemu2/ppa -y
+#sudo add-apt-repository ppa:stsp-0/djgpp -y
+#sudo add-apt-repository ppa:tkchia/build-ia16 -y
+#sudo apt-get update -q
+
+#sudo apt-get install -y gcc-ia16-elf nasm upx
+
+true

travis_test.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+if [ -f kernel/kernel.sys ] ; then
+  echo Kernel has been built
+  exit 0
+fi
+
+exit 1