build: add support for Android Termux build

PR-URL: #243
Reviewed-By: Matheus Marchini <mat@mmarchini.me>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>

.gitignore

@@ -10,6 +10,7 @@ build/
 out/
 npm-debug.log
 node_modules/
+package-lock.json
 
 # Generated by scripts/configure.js
 config.gypi

README.md

@@ -92,6 +92,18 @@ version is LLDB 3.9 and above.
     Visual Studio is required for MSBuild and headers when building llnode. Git
     is required to download the lldb headers.
 
+- Android / Termux (Experimental)
+  - Install Termux (https://termux.com)
+
+  - Install Termux Packages
+    - pkg install clang lldb lldb-dev make
+    - pkg install nodejs-lts nodejs-lts-dev
+  - To debug:
+  ```
+  llnode -- /data/data/com.termux/files/usr/bin/node --abort_on_uncaught_exception script.js
+  (llnode) run
+  ```
+
 ### Install the Plugin
 
 #### Install llnode globally via npm

binding.gyp

@@ -117,7 +117,7 @@
                   }],
                 ]
           }],
-          [ "OS=='linux' or OS=='freebsd'", {
+          [ "OS=='linux' or OS=='freebsd' or OS=='android'", {
             "conditions": [
               # If we could not locate the lib dir, then we will have to search
               # from the global search paths during linking and at runtime

llnode.gypi

@@ -79,6 +79,15 @@
           }],
         ],
       }],
+      [ "OS in 'android'", {
+        "target_conditions": [
+          ["_type=='static_library'", {
+            "standalone_static_library": 1, # disable thin archive which needs binutils >= 2.19
+          }],
+        ],
+        'libraries': ['-llldb'],
+        'cflags_cc': ['-std=c++11',' -Wall','-O3',' -fPIC']
+      }],
     ]
   },
 }

scripts/configure.js

@@ -52,7 +52,7 @@ function configureInstallation(osName, buildDir) {
     if (installation.libDir) {
       config.variables['lldb_lib_dir%'] = installation.libDir;
     }
-  } else if (osName === 'Linux') {
+  } else if (osName === 'Linux' || osName === 'Android') {
     installation = require('./linux').getLldbInstallation();
     if (installation.libDir) {
       config.variables['lldb_lib_dir%'] = installation.libDir;