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From: Ethan Mallove (ethan.mallove_at_[hidden])
Date: 2006-11-02 14:56:09


Not sure if this is the best tack, but the below patch seems
to do the trick. What was happening was eval would barf when
it got the unquoted /foo/bar. Wrap the string in ""'s and
the error goes away. This snippet illustrates the problem:

$ perl -e 'eval "\"/foo/bar\"";'
$ perl -e 'eval "/foo/bar";'
Bareword found where operator expected at (eval 1) line 1,
near "/foo/bar"
        (Missing operator before bar?)

Index: /workspace/em162155/hpc/mtt/schema2/trunk/lib/MTT/Values.pm
===================================================================
--- /workspace/em162155/hpc/mtt/schema2/trunk/lib/MTT/Values.pm (revision 410)
+++ /workspace/em162155/hpc/mtt/schema2/trunk/lib/MTT/Values.pm (working copy)
@@ -46,7 +46,7 @@
         # If we get a string back, just handle it.
         if (ref($ret) eq "") {
             # Substitute in the $ret in place of the &function(...)
- $str =~ s/(\&\w+\([^&\(]*?\))/$ret/;
+ $str =~ s/(\&\w+\([^&\(]*?\))/"$ret"/;
             Debug("String now: $str\n");
 
             # Now loop around and see if there are any more
@@ -92,7 +92,14 @@
         return \@ret;
     }
 
-# Debug("No more functions left; final: $str\n");
+ Debug("No more functions left; final: $str\n");
+ return trim_quotes($str);
+}
+
+# Trim leading/trailing quotes
+sub trim_quotes {
+ my ($str) = @_;
+ $str =~ s/^\"+|\"+$//g;
     return $str;
 }
 
-Ethan

On Thu, Nov/02/2006 02:18:06PM, Ethan Mallove wrote:
> I need to compile a testsuite like this:
>
> shell_build_command = &join("configure --with-lib-mpi=", &test_prefix(), "gmake")
>
> But MTT errors out with:
>
> Building Shell
> Evaluating: &join("configure --with-lib-mpi=", &test_prefix(), "gmake")
> Got name: test_prefix
> Got args:
> _do: $ret = MTT::Values::Functions::test_prefix()
> &test_prefix returning: my_mpi/install/dir
> String now: &join("configure --with-lib-mpi=", my_mpi/install/dir, "gmake")
> Got name: join
> Got args: "configure --with-lib-mpi=", my_mpi/install/dir, "gmake"
> _do: $ret = MTT::Values::Functions::join("configure --with-lib-mpi=", my_mpi/install/dir, "gmake")
> Bareword found where operator expected at (eval 33) line 1, near "/opt/mtt"
> (Missing operator before tt?)
> Bareword found where operator expected at (eval 33) line 1, near "1.3a1r12364"
> (Missing operator before a1r12364?)
> *** ERROR: Module aborted: MTT::Test::Build::Shell:Build: *** ERROR: Could not evaluate: $ret = MTT::Values::Functions::join("configure --with-lib-mpi=", my_mpi/install/dir, "gmake"): syntax error at (eval 33) line 1, near "/opt/mtt"
>
> It looks like EvaluateString does not like the slashes,
> because something silly like this doesn't give me the syntax
> error:
>
> shell_build_command = &join("configure --with-lib-mpi=", &test_np(), "gmake")
>
> Note: Below is a patch to give Build.pm visibility of
> test_prefix(), though this will also produce the error:
>
> &join("configure --with-lib-mpi=", &shell("pwd"), "gmake")
>
> -Ethan
>
>
> Index: MTT/Test/Build.pm
> ===================================================================
> --- MTT/Test/Build.pm (revision 410)
> +++ MTT/Test/Build.pm (working copy)
> @@ -251,6 +251,10 @@
> }
> }
>
> + # Some test suites require knowledge of where
> + # the MPI library is at the build stage
> + $MTT::Test::Run::test_prefix = $mpi_install->{installdir};
> +
> # Process setenv, unsetenv, prepend-path, and append-path -- for
> # both the MPI that we're building with and the section of the ini
> # file that we're building.
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