Work around system restrictions regarding exec

* doc/emacs/android.texi (Android Environment): Document
`android-use-exec-loader'.
* exec/exec1.c (main): Set program group of child process.
* src/android.c (android_rewrite_spawn_argv): New function.
* src/android.h: Update prototypes.
* src/androidfns.c (syms_of_androidfns): New variable
`android_use_exec_loader'.
* src/callproc.c (emacs_spawn): Rewrite the argument vector to
use exec1 if necessary.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/android.h b/src/android.h
index 24666aaf989..62d420d4cce 100644
--- a/src/android.h
+++ b/src/android.h
@@ -190,6 +190,11 @@ extern void android_write_event (union android_event *);
 
 extern unsigned int event_serial;
 
+
+
+/* Process related functions.  */
+extern int android_rewrite_spawn_argv (const char ***);
+
 #endif
 
 /* JNI functions should not be built when Emacs is stubbed out for the