Only define NO_THREAD_SAFE_LOCALE for MSVC plperl when required Latest versions of Strawberry Perl define USE_THREAD_SAFE_LOCALE, and we therefore get a handshake error when building against such instances. The solution is to perform a test to see if USE_THREAD_SAFE_LOCALE is defined and only define NO_THREAD_SAFE_LOCALE if it isn't.
Backpatch the meson.build fix back to release 16 and apply the same logic to Mkvcbuild.pm in releases 12 through 16. Original report of the issue from Muralikrishna Bandaru. Branch ------ REL_12_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/d94e3b33eaf6c57109a21115572ac78124da5939 Modified Files -------------- src/tools/msvc/Mkvcbuild.pm | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)