configure: Copy mmacosx-version-min option from CFLAGS to WINEPRELOADER_LDFLAGS.

Ken Thomases ken at
Thu Nov 7 10:45:23 CST 2019

On Nov 7, 2019, at 10:29 AM, Piotr Caban <piotr at> wrote:
> Hi Ken,
> On 11/7/19 5:12 PM, Ken Thomases wrote:
>> On Nov 7, 2019, at 9:22 AM, Piotr Caban <piotr at> wrote:
>>> We fail to link preloader when CFLAGS="-mmacosx-version-min=10.7" (because configure check also includes CFLAGS).
>> To make sure I understand: the problem is that, when CFLAGS already contains "-mmacosx-version-min=10.7", the WINE_TRY_CFLAGS() just above doesn't detect that the preloader needs that flag for linking and it's not added to WINEPRELOADER_LDFLAGS, right?
>> That suggests that WINE_TRY_CFLAGS() isn't the right macro to use for those checks.  We'd want a hypothetical WINE_TRY_LDFLAGS().  Or, perhaps, it's enough to temporarily clear CFLAGS around those checks.
> Yes, that's the problem.
> I don't think we can clear CFLAGS completely. It might contain options that are needed during test compilation. We can remove some of the options from CFLAGS but I don't think it's better.
> The WINE_TRY_LDFLAGS like macro will need to divide the check phase into compilation phase (that uses CFLAGS) and linking phase. This will probably leave a temporary file if configure is killed between this steps. I don't know if it's something that can be done in clean way.

Hmm.  We already use AC_LINK_IFELSE() elsewhere.  Can we use that here?


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