add Dockerfile to repository

[termux-packages] / README.md

diff --git a/README.md b/README.md
index c896431..0db62fd 100644 (file)
--- a/README.md
+++ b/README.md
@@ -3,6 +3,11 @@ termux-packages
 This project contains scripts and patches to cross compile and package packages for
 the [Termux](http://termux.com/) Android application.
 
+The scripts and patches to build each package is licensed under the same license as
+the actual package (so the patches and scripts to build bash are licensed under
+the same license as bash, while the patches and scripts to build python are licensed
+under the same license as python, etc).
+
 NOTE: This is in a rough state - be prepared for some work and frustrations, and give
 feedback if you find incorrect our outdated things!
 
@@ -19,6 +24,17 @@ variable `$ANDROID_HOME` to point at another location.
 * Install the Android NDK, version r10e, at `$HOME/lib/android-ndk`. Override this by setting
 the environment variable `$NDK` to point at another location.
 
+Alternatively a Dockerfile is provided which sets up a pristine image
+suitable for building packages. To build the docker image, run the
+following command:
+
+    docker build --rm=true -t termux .
+
+After build is successful, you can open an interactive prompt inside the
+container using:
+
+    docker run --rm=true -ti termux /bin/bash
+
 
 Building a package
 ==================
@@ -112,7 +128,7 @@ contains these and may be used by all packages.
 
 dlopen() and RTLD_* flags
 =================================
-<dlfn.h> declares
+<dlfcn.h> declares
 
     enum { RTLD_NOW=0, RTLD_LAZY=1, RTLD_LOCAL=0, RTLD_GLOBAL=2,       RTLD_NOLOAD=4}; // 32-bit
     enum { RTLD_NOW=2, RTLD_LAZY=1, RTLD_LOCAL=0, RTLD_GLOBAL=0x00100, RTLD_NOLOAD=4}; // 64-bit