Date: Sun, 19 Jun 2016 13:52:39 +0200 (CEST) From: Gerald Pfeifer <gerald@pfeifer.com> To: Dimitry Andric <dim@FreeBSD.org> Cc: Michael Reifenberger <mr@freebsd.org>, FreeBSD-ports <freebsd-ports@freebsd.org> Subject: Re: Needing help getting cad/kicad-devel compiled under FreeBSD-9 Message-ID: <alpine.LSU.2.20.1606191347350.2645@anthias.pfeifer.com> In-Reply-To: <A94B9F2A-52B4-4B8D-8712-ED6CEE6C5CE5@FreeBSD.org> References: <CAPEmwasEN2BxDMZ5Pgbodck%2BPpxOS-H54E8qB27-hitRyboXSQ@mail.gmail.com> <A94B9F2A-52B4-4B8D-8712-ED6CEE6C5CE5@FreeBSD.org>
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On Wed, 20 Apr 2016, Dimitry Andric wrote: > This is because gcc48's <cmath> header does not define a whole bunch of > C99 math functions in the std:: namespace. > and /usr/local/lib/gcc48/include/c++/x86_64-portbld-freebsd9.3/bits/c++config.h > has: > > /* Define if C99 functions or macros in <math.h> should be imported in > <tr1/cmath> in namespace std::tr1. */ > /* #undef _GLIBCXX_USE_C99_MATH_TR1 */ I verified that current versions of GCC on FreeBSD 10.3 have this on... > It looks like this file is generated at build time, so something in > gcc's configure scripts is turning off the "C99_MATH_TR1" support. ...I believe since FreeBSD 10 has better libc support for the long math functions, so our best course of action (apart from counting down those months that FreeBSD 9 still has) is seeing that we can finally update lang/gcc from GCC 4.8 to at least 4.9, if not later. Gerald
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