sdl12-compat: mac: search for libSDL2-2.0.dylib along with libSDL2-2.0.0.dylib

From bf91f6aad1fce952a3c11dc6ace155a2d1f428b8 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Fri, 23 Sep 2022 22:21:10 +0300
Subject: [PATCH] mac: search for libSDL2-2.0.dylib along with
 libSDL2-2.0.0.dylib

autotools builds output libSDL2-2.0.0.dylib, but cmake in all of
its wisdom, outputs libSDL2-2.0.dylib...

Reference issue: https://github.com/libsdl-org/sdl12-compat/issues/217
---
 src/SDL12_compat.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/SDL12_compat.c b/src/SDL12_compat.c
index 18130aa1..d1b69fa8 100644
--- a/src/SDL12_compat.c
+++ b/src/SDL12_compat.c
@@ -1082,6 +1082,8 @@ static char loaderror[256];
     #include <pwd.h>
     #include <unistd.h>
     #define SDL20_LIBNAME "libSDL2-2.0.0.dylib"
+    /* SDL2 cmake'ry is (was?) messy: */
+    #define SDL20_LIBNAME2 "libSDL2-2.0.dylib"
     #define SDL20_FRAMEWORK "SDL2.framework/Versions/A/SDL2"
     #define SDL20_REQUIRED_VER SDL_VERSIONNUM(2,0,7)
     #define strcpy_fn  strcpy
@@ -1093,12 +1095,15 @@ static char loaderror[256];
         /* I don't know if this is the _right_ order to try, but this seems reasonable */
         static const char * const dylib_locations[] = {
             "@loader_path/" SDL20_LIBNAME, /* MyApp.app/Contents/MacOS/libSDL2-2.0.0.dylib */
+            "@loader_path/" SDL20_LIBNAME2, /* MyApp.app/Contents/MacOS/libSDL2-2.0.dylib */
             "@loader_path/../Frameworks/" SDL20_FRAMEWORK, /* MyApp.app/Contents/Frameworks/SDL2.framework */
             "@executable_path/" SDL20_LIBNAME, /* MyApp.app/Contents/MacOS/libSDL2-2.0.0.dylib */
+            "@executable_path/" SDL20_LIBNAME2, /* MyApp.app/Contents/MacOS/libSDL2-2.0.dylib */
             "@executable_path/../Frameworks/" SDL20_FRAMEWORK, /* MyApp.app/Contents/Frameworks/SDL2.framework */
             NULL,  /* /Users/username/Library/Frameworks/SDL2.framework */
             "/Library/Frameworks" SDL20_FRAMEWORK, /* /Library/Frameworks/SDL2.framework */
-            SDL20_LIBNAME  /* oh well, anywhere the system can see the .dylib (/usr/local/lib or whatever) */
+            SDL20_LIBNAME, /* oh well, anywhere the system can see the .dylib (/usr/local/lib or whatever) */
+            SDL20_LIBNAME2
         };
 
         int i;