\documentclass{article}
\usepackage{perltex}
\perldo{
	`rm -rf ./_Inline && mkdir ./_Inline`;
	use Inline Config => DIRECTORY => './_Inline/';
}

\perlnewcommand{\compilec}[1]{
	{
		my $cc = "void just_compile() { $_[0] };";
		Inline->bind(C => $cc);
		just_compile();
		"";
	}
}

\begin{document}

\compilec{1 + 1;}

\end{document}

##</code><code>##

\compilec{1 + nonexisting;}

##</code><code>##

/home/jest/perl/perl-5.10.1/bin/perl /home/jest/perl/perl-5.10.1/lib/site_perl/5.10.1/ExtUtils/xsubpp  -typemap /home/jest/perl/perl-5.10.1/lib/5.10.1/ExtUtils/typemap   perltext1_pl_f7f6.xs > perltext1_pl_f7f6.xsc && mv perltext1_pl_f7f6.xsc perltext1_pl_f7f6.c
cc -c  -I/home/jest/temp/t -D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DVERSION=\"0.00\" -DXS_VERSION=\"0.00\" -fPIC "-I/home/jest/perl/perl-5.10.1/lib/5.10.1/i486-linux-gnu-thread-multi/CORE"   perltext1_pl_f7f6.c
perltext1_pl_f7f6.xs: In function ‘just_compile’:
perltext1_pl_f7f6.xs:5: error: ‘bla’ undeclared (first use in this function)
perltext1_pl_f7f6.xs:5: error: (Each undeclared identifier is reported only once
perltext1_pl_f7f6.xs:5: error: for each function it appears in.)
make: *** [perltext1_pl_f7f6.o] Error 1

A problem was encountered while attempting to compile and install your Inline
C code. The command that failed was:
  make > out.make 2>&1

The build directory was:
/home/jest/temp/t/_Inline/build/perltext1_pl_f7f6

To debug the problem, cd to the build directory, and inspect the output files.

 at perltext1.pl line 8