fix DYLIB version inconsistencies and test failures after #6188.

Xcode/SDL/SDL.xcodeproj/project.pbxproj

@@ -9852,8 +9852,8 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
 				DEVELOPMENT_TEAM = "";
-				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 1;
+				DYLIB_COMPATIBILITY_VERSION = 2501.0.0;
+				DYLIB_CURRENT_VERSION = 2501.0.0;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				GCC_DYNAMIC_NO_PIC = NO;
@@ -9904,8 +9904,8 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
 				DEVELOPMENT_TEAM = "";
-				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 1;
+				DYLIB_COMPATIBILITY_VERSION = 2501.0.0;
+				DYLIB_CURRENT_VERSION = 2501.0.0;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				ENABLE_NS_ASSERTIONS = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu11;

test/versioning.sh

@@ -143,6 +143,8 @@ case "$ref_minor" in
 esac
 
 ref="${major}.${minor}.0
+${major}.${minor}.0
+${major}.${minor}.0
 ${major}.${minor}.0"
 
 if [ "$ref" = "$dylib_compat" ]; then
@@ -165,6 +167,8 @@ case "$ref_minor" in
 esac
 
 ref="${major}.${minor}.0
+${major}.${minor}.0
+${major}.${minor}.0
 ${major}.${minor}.0"
 
 if [ "$ref" = "$dylib_cur" ]; then