On 26/02/15 15:39, Brian Paul wrote:
On 02/26/2015 05:07 AM, Jose Fonseca wrote:
On 26/02/15 09:19, Erik Faye-Lund wrote:
On Thu, Feb 26, 2015 at 10:10 AM, Erik Faye-Lund <kusmab...@gmail.com>
wrote:
On Thu, Feb 26, 2015 at 4:24 AM, Matt Turner <matts...@gmail.com>
wrote:
On Wed, Feb 25, 2015 at 5:29 PM, Brian Paul <bri...@vmware.com> wrote:
Should be defined in math.h. If not, we can add them to c99_math.h
And FWIW, the MSDN page [0] says that if you define _USE_MATH_DEFINES
before including math.h, these will be defined for you. Not sure what
versions of MSVC that applies to.
[0]
https://urldefense.proofpoint.com/v2/url?u=https-3A__msdn.microsoft.com_en-2Dus_library_4hwaceh6.aspx&d=AwIGaQ&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=zfmBZnnVGHeYde45pMKNnVyzeaZbdIqVLprmZCM2zzE&m=X_K0Nwx5tQCSFwVyG_ZygN6O81dMZbappObbbXBIo8o&s=RfLpDMUnAlzskfxAQZy8epMADQIMRc0BG2CFhhdtLlM&e=
That link says "Visual Studio 2013", but roughly the same message is
also in the Visual Studio .NET 2003 docs (available through the "Other
Versions"-selector at the top).
IIRC, this has been the case since VC6, but we probably don't care
about that old toolchains.
By the way, it seems we already define _USE_MATH_DEFINES, at least here:
https://urldefense.proofpoint.com/v2/url?u=http-3A__cgit.freedesktop.org_mesa_mesa_tree_scons_gallium.py-3Fid-3D9db7b12cb283b915865d99d2fd3356af0662a18e-23n328&d=AwIGaQ&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=zfmBZnnVGHeYde45pMKNnVyzeaZbdIqVLprmZCM2zzE&m=X_K0Nwx5tQCSFwVyG_ZygN6O81dMZbappObbbXBIo8o&s=wyVfp2Vd2fgWXHkzZhXPVVcPSuCIGZvTEJAzvQgunLI&e=
But do we always build for MSVC with SCons, and with gallium? If so,
it seems this patch is OK from a MSVC's point of view.
That's right. _USE_MATH_DEFINES should be always defined on MSVC.
We could add
#if defined(_MSC_VER) && !defined(_USE_MATH_DEFINES)
#error _USE_MATH_DEFINES define required when building with MSVC
#endif
In c99_math.h? I can write a patch for that.
Yes. Thanks.
Jose
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