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.\" ========================================================================
.\"
.IX Title "ExtUtils::CppGuess 3pm"
.TH ExtUtils::CppGuess 3pm "2012-10-05" "perl v5.14.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
ExtUtils::CppGuess \- guess C++ compiler and flags
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
With Extutils::MakeMaker:
.PP
.Vb 1
\&    use ExtUtils::CppGuess;
\&    
\&    my $guess = ExtUtils::CppGuess\->new;
\&    
\&    WriteMakefile
\&      ( # MakeMaker args,
\&        $guess\->makemaker_options,
\&        );
.Ve
.PP
With Module::Build:
.PP
.Vb 1
\&    my $guess = ExtUtils::CppGuess\->new;
\&    
\&    my $build = Module::Build\->new
\&      ( # Module::Build arguments
\&        $guess\->module_build_options,
\&        );
\&    $build\->create_build_script;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\f(CW\*(C`ExtUtils::CppGuess\*(C'\fR attempts to guess the system's \*(C+ compiler
that is compatible with the C compiler that your perl was built with.
.PP
It can generate the necessary options to the Module::Build
constructor or to ExtUtils::MakeMaker's \f(CW\*(C`WriteMakefile\*(C'\fR
function.
.SH "METHODS"
.IX Header "METHODS"
.SS "new"
.IX Subsection "new"
Creates a new \f(CW\*(C`ExtUtils::CppGuess\*(C'\fR object.
Takes the path to the C compiler as the \f(CW\*(C`cc\*(C'\fR argument,
but falls back to the value of \f(CW$Config{cc}\fR, which should
be what you want anyway.
.PP
You can specify \f(CW\*(C`extra_compiler_flags\*(C'\fR and \f(CW\*(C`extra_linker_flags\*(C'\fR
(as strings) which will be merged in with the auto-detected ones.
.SS "module_build_options"
.IX Subsection "module_build_options"
Returns the correct options to the constructor of \f(CW\*(C`Module::Build\*(C'\fR.
These are:
.PP
.Vb 2
\&    extra_compiler_flags
\&    extra_linker_flags
.Ve
.SS "makemaker_options"
.IX Subsection "makemaker_options"
Returns the correct options to the \f(CW\*(C`WriteMakefile\*(C'\fR function of
\&\f(CW\*(C`ExtUtils::MakeMaker\*(C'\fR.
These are:
.PP
.Vb 2
\&    CCFLAGS
\&    dynamic_lib => { OTHERLDFLAGS => ... }
.Ve
.PP
If you specify the extra compiler or linker flags in the
constructor, they'll be merged into \f(CW\*(C`CCFLAGS\*(C'\fR or
\&\f(CW\*(C`OTHERLDFLAGS\*(C'\fR respectively.
.SS "is_gcc"
.IX Subsection "is_gcc"
Returns true if the detected compiler is in the gcc family.
.SS "is_msvc"
.IX Subsection "is_msvc"
Returns true if the detected compiler is in the \s-1MS\s0 \s-1VC\s0 family.
.SS "add_extra_compiler_flags"
.IX Subsection "add_extra_compiler_flags"
Takes a string as argument that is added to the string of extra compiler
flags.
.SS "add_extra_linker_flags"
.IX Subsection "add_extra_linker_flags"
Takes a string as argument that is added to the string of extra linker
flags.
.SH "AUTHOR"
.IX Header "AUTHOR"
Mattia Barbon <mbarbon@cpan.org>
.PP
Steffen Mueller <smueller@cpan.org>
.PP
Tobias Leich <froggs@cpan.org>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
Copyright 2010, 2011 by Mattia Barbon.
.PP
This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.