Bail out if any command fails.

shellgenerator.py

@@ -32,6 +32,7 @@ class ShellGenerator():
         outfile.write('#!/bin/sh\n\n')
         outfile.write('echo This is an autogenerated shell script build file for project \\"%s\\".\n'
                       % self.interpreter.get_project())
+        outfile.write('echo This is experimental and most likely will not work!\n')
         self.generate_commands(outfile)
         outfile.close()
         os.chmod(outfilename, stat.S_IREAD | stat.S_IWRITE | stat.S_IEXEC |\
@@ -58,9 +59,9 @@ class ShellGenerator():
         commands.append(abs_src)
         commands += compiler.get_output_flags()
         commands.append(abs_obj)
-        quoted = environment.shell_quote(commands) + ['\n']
+        quoted = environment.shell_quote(commands)
         outfile.write('\necho Compiling \\"%s\\"\n' % src)
-        outfile.write(' '.join(quoted))
+        outfile.write(' '.join(quoted) + ' || exit\n')
         return abs_obj
 
     def generate_link(self, target, outfile, outname, obj_list):
@@ -72,9 +73,9 @@ class ShellGenerator():
             commands += dep.get_link_flags()
         commands += linker.get_output_flags()
         commands.append(outname)
-        quoted = environment.shell_quote(commands) + ['\n']
+        quoted = environment.shell_quote(commands)
         outfile.write('\necho Linking \\"%s\\".\n' % outname)
-        outfile.write(' '.join(quoted))
+        outfile.write(' '.join(quoted) + ' || exit\n')
 
     def generate_commands(self, outfile):
         for i in self.interpreter.get_executables().items():