commit 2b126a6892b485bc9924464fabdf2313e1100aa9
author Ken Takata <kentkt@csc.jp> Wed Oct 18 11:59:44 2023 +0200
committer Christian Brabandt <cb@256bit.org> Wed Oct 18 11:59:44 2023 +0200
tree 9747e3ad16689350a7e499a55537392ac1c57872
parent 436f39390f0a5d4c4877edcf69b469987d706f3c

patch 9.0.2047: perl: warning about inconsistent dll linkage

Problem:  perl: warning about inconsistent dll linkage
Solution: suppress warning

Suppress warning C4273 (inconsistent DLL linkage).

Also adjust inconsistent use of const.

closes: #13369

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Ken Takata <kentkt@csc.jp>

src/if_perl.xs

diff --git a/src/if_perl.xs b/src/if_perl.xs
index 312262a..d88c3f3 100644
--- a/src/if_perl.xs
+++ b/src/if_perl.xs
@@ -46,6 +46,11 @@
 # define NO_THREAD_SAFE_LOCALE
 #endif
 
+#if defined(MSWIN) && defined(DYNAMIC_PERL)
+// Work around for warning C4273 (inconsistent DLL linkage).
+# define PERL_EXT_RE_BUILD
+#endif
+
 #ifdef __GNUC__
 # pragma GCC diagnostic push
 # pragma GCC diagnostic ignored "-Wunused-variable"
@@ -1483,7 +1488,7 @@
 
 # if (PERL_REVISION == 5) && (PERL_VERSION >= 18)
 #  undef Perl_sv_free2
-void Perl_sv_free2(pTHX_ SV* sv, const U32 refcnt)
+void Perl_sv_free2(pTHX_ SV *const sv, const U32 refcnt)
 {
     (*dll_Perl_sv_free2)(aTHX_ sv, refcnt);
 }
@@ -1519,7 +1524,7 @@
 
 # ifdef PERL589_OR_LATER
 #  undef Perl_sv_2iv_flags
-IV Perl_sv_2iv_flags(pTHX_ SV* sv, I32 flags)
+IV Perl_sv_2iv_flags(pTHX_ SV *const sv, const I32 flags)
 {
     return (*dll_Perl_sv_2iv_flags)(aTHX_ sv, flags);
 }