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-rw-r--r--src/tools/msvc/Mkvcbuild.pm4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/tools/msvc/Mkvcbuild.pm b/src/tools/msvc/Mkvcbuild.pm
index 6a79a0e037d..1dc336a54da 100644
--- a/src/tools/msvc/Mkvcbuild.pm
+++ b/src/tools/msvc/Mkvcbuild.pm
@@ -595,7 +595,9 @@ sub mkvcbuild
push(@perl_embed_ccflags, 'PLPERL_HAVE_UID_GID');
# prevent binary mismatch between MSVC built plperl and
# Strawberry or msys ucrt perl libraries
- push(@perl_embed_ccflags, 'NO_THREAD_SAFE_LOCALE');
+ my $perl_v = `$^X -V 2>&1`;
+ push(@perl_embed_ccflags, 'NO_THREAD_SAFE_LOCALE')
+ unless $perl_v =~ /USE_THREAD_SAFE_LOCALE/;
# Windows offers several 32-bit ABIs. Perl is sensitive to
# sizeof(time_t), one of the ABI dimensions. To get 32-bit time_t,