'uvar' magic will never be backported to 5.8, enable it only in maint-5.10 and higher

[perl/modules/Variable-Magic.git] / Magic.xs

diff --git a/Magic.xs b/Magic.xs
index 82631169a3f7055157fd48cde7b844cd663d6dd7..4e62500715cb6773dc93d95741278332e6e3f31d 100644 (file)
--- a/Magic.xs
+++ b/Magic.xs
@@ -30,6 +30,10 @@
 # endif
 #endif
 
+#define VMG_HAS_PERL_OR(P, R, V, S) ((VMG_PERL_PATCHLEVEL >= (P)) || (!VMG_PERL_PATCHLEVEL && PERL_VERSION_GE((R), (V), (S))))
+
+#define VMG_HAS_PERL_AND(P, R, V, S) (PERL_VERSION_GE((R), (V), (S)) && (!VMG_PERL_PATCHLEVEL || (VMG_PERL_PATCHLEVEL >= (P))))
+
 /* --- Compatibility ------------------------------------------------------- */
 
 #ifndef Newx
@@ -68,26 +72,26 @@
 #endif
 
 /* uvar magic and Hash::Util::FieldHash were commited with p28419 */
-#if (VMG_PERL_PATCHLEVEL >= 28419) || (!VMG_PERL_PATCHLEVEL && PERL_VERSION_GE(5, 9, 4))
+#if VMG_HAS_PERL_AND(28419, 5, 9, 4)
 # define VMG_UVAR 1
 #else
 # define VMG_UVAR 0
 #endif
 
-#if !defined(VMG_COMPAT_ARRAY_PUSH_NOLEN) && ((VMG_PERL_PATCHLEVEL >= 25854) || (!VMG_PERL_PATCHLEVEL && PERL_VERSION_GE(5, 9, 3)))
+#if !defined(VMG_COMPAT_ARRAY_PUSH_NOLEN) && VMG_HAS_PERL_OR(25854, 5, 9, 3)
 # define VMG_COMPAT_ARRAY_PUSH_NOLEN 1
 #else
 # define VMG_COMPAT_ARRAY_PUSH_NOLEN 0
 #endif
 
 /* since 5.9.5 - see #43357 */
-#if (VMG_PERL_PATCHLEVEL >= 31473) || (!VMG_PERL_PATCHLEVEL && PERL_VERSION_GE(5, 9, 5))
+#if VMG_HAS_PERL_OR(31473, 5, 9, 5)
 # define VMG_COMPAT_ARRAY_UNDEF_CLEAR 1
 #else
 # define VMG_COMPAT_ARRAY_UNDEF_CLEAR 0
 #endif
 
-#if (VMG_PERL_PATCHLEVEL >= 32969) || (!VMG_PERL_PATCHLEVEL && PERL_VERSION_GE(5, 11, 0))
+#if VMG_HAS_PERL_OR(32969, 5, 11, 0)
 # define VMG_COMPAT_SCALAR_LENGTH_NOLEN 1
 #else
 # define VMG_COMPAT_SCALAR_LENGTH_NOLEN 0
@@ -508,7 +512,7 @@ STATIC int vmg_svt_free(pTHX_ SV *sv, MAGIC *mg) {
 
 #if MGf_COPY
 STATIC int vmg_svt_copy(pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *key,
-# if (VMG_PERL_PATCHLEVEL >= 33256) || (!VMG_PERL_PATCHLEVEL && PERL_API_VERSION_GE(5, 11, 0))
+# if VMG_HAS_PERL_AND(33256, 5, 11, 0)
   I32 keylen
 # else
   int keylen