Split compat layer into different source files

CMakeLists.txt

@@ -617,27 +617,18 @@ endif()
 if(MZ_COMPAT)
     set(SOVERSION "1")
 
-    set(FILE_H "ioapi.h")
-    set(MZ_COMPAT_FILE "MZ_COMPAT_IOAPI")
-    configure_file(mz_compat_shim.h.in ioapi.h)
-
-    set(FILE_H "zip.h")
-    set(MZ_COMPAT_FILE "MZ_COMPAT_ZIP")
-    configure_file(mz_compat_shim.h.in zip.h)
-
-    set(FILE_H "unzip.h")
-    set(MZ_COMPAT_FILE "MZ_COMPAT_UNZIP")
-    configure_file(mz_compat_shim.h.in unzip.h)
+    list(APPEND MINIZIP_SRC 
+        compat/ioapi.c
+        compat/unzip.c
+        compat/zip.c)
+    list(APPEND MINIZIP_HDR 
+        compat/ioapi.h
+        compat/unzip.h
+        compat/zip.h)
 
     if(MZ_COMPAT_VERSION)
         list(APPEND MINIZIP_DEF -DMZ_COMPAT_VERSION=${MZ_COMPAT_VERSION})
     endif()
-
-    list(APPEND MINIZIP_SRC mz_compat.c)
-    list(APPEND MINIZIP_HDR mz_compat.h
-        ${CMAKE_CURRENT_BINARY_DIR}/ioapi.h
-        ${CMAKE_CURRENT_BINARY_DIR}/zip.h
-        ${CMAKE_CURRENT_BINARY_DIR}/unzip.h)
 endif()
 
 # Detect available sanitizers
@@ -709,6 +700,7 @@ target_include_directories(${MINIZIP_TARGET} PUBLIC
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
 if(MZ_COMPAT)
     target_include_directories(${MINIZIP_TARGET} PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/compat/>
         $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>)
 endif()