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configure: Don't pass -mfp16-format to MSVC on ARM

The check for this option does succeed - MSVC accepts the option,
but prints a warning about it being unknown and ignored, for
each compiled object file:

    cl : Command line warning D9002 : ignoring unknown option '-mfp16-format=ieee'

The configure script only attempts to add this option on ARM,
therefore this warning isn't seen by the majority of people
building with MSVC.

Making this option into a no-op probably isn't entirely right,
but on the other hand, we don't want to litter the code that
checks for support for the option with compiler specific
conditions either.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2023-12-21 23:43:11 +02:00
parent 102045028e
commit de9bc4f205
1 changed files with 1 additions and 0 deletions

1
configure vendored
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@ -4711,6 +4711,7 @@ msvc_common_flags(){
-fPIC) ;;
-mthumb) ;;
-march=*) ;;
-mfp16-format=*) ;;
-lz) echo zlib.lib ;;
-lx264) echo libx264.lib ;;
-lstdc++) ;;