Date: Tue, 20 Sep 2016 09:04:05 +0200 From: Matthieu Volat <mazhe@alkumuna.eu> To: freebsd-ports@freebsd.org Subject: Re: Patch to cmake detect OpenMP Message-ID: <20160920090405.221a4611@freedom.alkumuna.eu> In-Reply-To: <029185d0-d810-247d-d0c5-cdd8bc4a53ac@bsd.com.br> References: <029185d0-d810-247d-d0c5-cdd8bc4a53ac@bsd.com.br>
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--Sig_/+oS+Ac1V8lQfdWb8N29w8FN Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Tue, 20 Sep 2016 00:55:44 -0300 Otac=C3=ADlio <otacilio.neto@bsd.com.br> wrote: > I'm trying to port flann (http://www.cs.ubc.ca/research/flann/) to=20 > FreeBSD, but I need that cmake detects OpenMP. Unhappy, cmake do not=20 > detects OpenMP even when devel/openmp is installed, so I did this patch= =20 > to cmake port. What you guys think about? Can I open a bug report with=20 > patch? >=20 > []'s >=20 Hi, are you planning to submit this patch for cmake in ports or the upstrea= m project? This is not a really good idea to hardcode /usr/local like that, for there = can be may more providers for libomp (lang/clangXY ports, if you need a spe= cific to workaround bugs for example... or even maybe base in the future?).= Also, it would break cmake with GCC. Without changing any upstream code in either cmake or flann, for FreeBSD 11= +, you can just set : USES+=3D compiler:openmp=20 CFLAGS+=3D -I${LOCALBASE}/include LDFLAGS+=3D -L${LOCALBASE}/lib -lomp -lm I did not test how this behave on older release yet... And if you need to b= uild cmake-based projects outside ports, here's the flags I use: -DCMAKE_REQUIRED_INCLUDES=3D"/usr/local/include" \ -DCMAKE_REQUIRED_LIBRARIES=3D"-L/usr/local/lib -lomp -lm" \ -DCMAKE_EXE_LINKER_FLAGS=3D"-L/usr/local/lib -lomp -lm" \ -DCMAKE_MODULE_LINKER_FLAGS=3D"-L/usr/local/lib -lomp -lm" \ -DCMAKE_SHARED_LINKER_FLAGS=3D"-L/usr/local/lib -lomp -lm" -- Matthieu Volat <mazhe@alkumuna.eu> --Sig_/+oS+Ac1V8lQfdWb8N29w8FN Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEARECAAYFAlfg32YACgkQ+ENDeYKZi35A5gCfdJ0zTyUN+bEtE+FlMwxgN2J9 ZNgAn2SwpURaxWwfzS5+0YpaNsPlfTwE =aHwX -----END PGP SIGNATURE----- --Sig_/+oS+Ac1V8lQfdWb8N29w8FN--
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