diff --git a/tools/winebuild/build.h b/tools/winebuild/build.h
index a4b9bc97e3e..4fb6e23700e 100644
--- a/tools/winebuild/build.h
+++ b/tools/winebuild/build.h
@@ -153,6 +153,7 @@ enum target_platform
     PLATFORM_UNSPECIFIED,
     PLATFORM_APPLE,
     PLATFORM_FREEBSD,
+    PLATFORM_MINGW,
     PLATFORM_SOLARIS,
     PLATFORM_WINDOWS
 };
@@ -161,6 +162,11 @@ extern char *target_alias;
 extern enum target_cpu target_cpu;
 extern enum target_platform target_platform;
 
+static inline int is_pe(void)
+{
+    return target_platform == PLATFORM_MINGW || target_platform == PLATFORM_WINDOWS;
+}
+
 struct strarray
 {
     const char **str;
diff --git a/tools/winebuild/import.c b/tools/winebuild/import.c
index 2ff63c2265d..827a875e5df 100644
--- a/tools/winebuild/import.c
+++ b/tools/winebuild/import.c
@@ -1742,7 +1742,7 @@ void output_syscalls( DLLSPEC *spec )
             output( "\t.byte 0xc3\n" );           /* ret */
             output( "\tjmp 1f\n" );
             output( "\t.byte 0xc3\n" );           /* ret */
-            if (target_platform == PLATFORM_WINDOWS)
+            if (is_pe())
             {
                 output( "1:\t.byte 0xff,0x14,0x25\n" ); /* 1: callq *(0x7ffe1000) */
                 output( "\t.long 0x7ffe1000\n" );
@@ -1803,7 +1803,7 @@ void output_syscalls( DLLSPEC *spec )
 /* output the import and delayed import tables of a Win32 module */
 void output_imports( DLLSPEC *spec )
 {
-    if (target_platform == PLATFORM_WINDOWS) return;
+    if (is_pe()) return;
     output_immediate_imports();
     output_delayed_imports( spec );
     output_immediate_import_thunks();
@@ -1958,7 +1958,7 @@ static void build_unix_import_lib( DLLSPEC *spec )
 /* output an import library for a Win32 module and additional object files */
 void output_static_lib( DLLSPEC *spec, char **argv )
 {
-    if (target_platform == PLATFORM_WINDOWS)
+    if (is_pe())
     {
         if (spec) build_windows_import_lib( spec );
         if (argv[0] || !spec) build_library( output_file_name, argv, !spec );
diff --git a/tools/winebuild/main.c b/tools/winebuild/main.c
index abb94e27c03..1477df7f259 100644
--- a/tools/winebuild/main.c
+++ b/tools/winebuild/main.c
@@ -71,7 +71,7 @@ enum target_platform target_platform = PLATFORM_FREEBSD;
 #elif defined(__sun)
 enum target_platform target_platform = PLATFORM_SOLARIS;
 #elif defined(_WIN32)
-enum target_platform target_platform = PLATFORM_WINDOWS;
+enum target_platform target_platform = PLATFORM_MINGW;
 #else
 enum target_platform target_platform = PLATFORM_UNSPECIFIED;
 #endif
@@ -129,13 +129,14 @@ static const struct
     enum target_platform platform;
 } platform_names[] =
 {
-    { "macos",   PLATFORM_APPLE },
-    { "darwin",  PLATFORM_APPLE },
-    { "freebsd", PLATFORM_FREEBSD },
-    { "solaris", PLATFORM_SOLARIS },
-    { "mingw32", PLATFORM_WINDOWS },
-    { "windows", PLATFORM_WINDOWS },
-    { "winnt",   PLATFORM_WINDOWS }
+    { "macos",       PLATFORM_APPLE },
+    { "darwin",      PLATFORM_APPLE },
+    { "freebsd",     PLATFORM_FREEBSD },
+    { "solaris",     PLATFORM_SOLARIS },
+    { "mingw32",     PLATFORM_MINGW },
+    { "windows-gnu", PLATFORM_MINGW },
+    { "windows",     PLATFORM_WINDOWS },
+    { "winnt",       PLATFORM_MINGW }
 };
 
 /* set the dll file name from the input file name */
@@ -245,7 +246,7 @@ static void set_target( const char *target )
 
     free( spec );
 
-    if (target_cpu == CPU_ARM && target_platform == PLATFORM_WINDOWS) thumb_mode = 1;
+    if (target_cpu == CPU_ARM && is_pe()) thumb_mode = 1;
 }
 
 /* cleanup on program exit */
@@ -710,7 +711,7 @@ int main(int argc, char **argv)
             else output_fake_module( spec );
             break;
         }
-        if (target_platform != PLATFORM_WINDOWS)
+        if (!is_pe())
         {
             load_import_libs( argv );
             read_undef_symbols( spec, argv );
diff --git a/tools/winebuild/relay.c b/tools/winebuild/relay.c
index dc0960761a5..0544aa6cbe9 100644
--- a/tools/winebuild/relay.c
+++ b/tools/winebuild/relay.c
@@ -379,7 +379,7 @@ static void BuildCallFrom16Core( int reg_func, int thunk )
 static void BuildCallTo16Core( int reg_func )
 {
     const char *name = reg_func ? "wine_call_to_16_regs" : "wine_call_to_16";
-    const char *func_name = (target_platform == PLATFORM_WINDOWS ? strmake( "%s@12", name ) : name);
+    const char *func_name = is_pe() ? strmake( "%s@12", name ) : name;
 
     /* Function header */
     function_header( func_name );
diff --git a/tools/winebuild/res32.c b/tools/winebuild/res32.c
index bd55bb2fa5c..f2bbbe0d794 100644
--- a/tools/winebuild/res32.c
+++ b/tools/winebuild/res32.c
@@ -499,7 +499,7 @@ void output_resources( DLLSPEC *spec )
         dump_res_data( res );
     }
 
-    if (target_platform != PLATFORM_WINDOWS)
+    if (!is_pe())
     {
         output( ".L__wine_spec_resources_end:\n" );
         output( "\t.byte 0\n" );
diff --git a/tools/winebuild/spec32.c b/tools/winebuild/spec32.c
index cf1dd353ae5..678f104c555 100644
--- a/tools/winebuild/spec32.c
+++ b/tools/winebuild/spec32.c
@@ -410,7 +410,7 @@ void output_exports( DLLSPEC *spec )
     int needs_imports = 0;
     int needs_relay = has_relays( spec );
     int nr_exports = get_exports_count( spec );
-    const char *func_ptr = (target_platform == PLATFORM_WINDOWS) ? ".rva" : get_asm_ptr_keyword();
+    const char *func_ptr = is_pe() ? ".rva" : get_asm_ptr_keyword();
     const char *name;
 
     if (!nr_exports) return;
@@ -447,8 +447,7 @@ void output_exports( DLLSPEC *spec )
     for (i = spec->base; i <= spec->limit; i++)
     {
         ORDDEF *odp = spec->ordinals[i];
-        if (!odp) output( "\t%s 0\n",
-                          (target_platform == PLATFORM_WINDOWS) ? ".long" : get_asm_ptr_keyword() );
+        if (!odp) output( "\t%s 0\n", is_pe() ? ".long" : get_asm_ptr_keyword() );
         else switch(odp->type)
         {
         case TYPE_EXTERN:
@@ -513,7 +512,7 @@ void output_exports( DLLSPEC *spec )
     if (needs_relay)
     {
         output( "\t.long 0xdeb90002\n" );  /* magic */
-        if (target_platform == PLATFORM_WINDOWS) output_rva( ".L__wine_spec_relay_descr" );
+        if (is_pe()) output_rva( ".L__wine_spec_relay_descr" );
         else output( "\t.long 0\n" );
     }
 
@@ -542,7 +541,7 @@ void output_exports( DLLSPEC *spec )
 
     if (needs_relay)
     {
-        if (target_platform == PLATFORM_WINDOWS)
+        if (is_pe())
         {
             output( "\t.data\n" );
             output( "\t.align %d\n", get_alignment(get_ptr_size()) );
@@ -563,7 +562,7 @@ void output_exports( DLLSPEC *spec )
 
         output_relay_debug( spec );
     }
-    else if (target_platform != PLATFORM_WINDOWS)
+    else if (!is_pe())
     {
             output( "\t.align %d\n", get_alignment(get_ptr_size()) );
             output( ".L__wine_spec_exports_end:\n" );
@@ -628,6 +627,7 @@ void output_module( DLLSPEC *spec )
 
     switch (target_platform)
     {
+    case PLATFORM_MINGW:
     case PLATFORM_WINDOWS:
         return;  /* nothing to do */
     case PLATFORM_APPLE:
@@ -1010,7 +1010,7 @@ void output_def_file( DLLSPEC *spec, int import_only )
         if (!is_private) total++;
         if (import_only && odp->type == TYPE_STUB) continue;
 
-        if ((odp->flags & FLAG_FASTCALL) && target_platform == PLATFORM_WINDOWS)
+        if ((odp->flags & FLAG_FASTCALL) && is_pe())
             name = strmake( "@%s", name );
 
         output( "  %s", name );
diff --git a/tools/winebuild/utils.c b/tools/winebuild/utils.c
index 1a11d275cb3..928a2460aa1 100644
--- a/tools/winebuild/utils.c
+++ b/tools/winebuild/utils.c
@@ -462,6 +462,7 @@ struct strarray get_ld_command(void)
         case PLATFORM_FREEBSD:
             strarray_add( &args, "-m", (force_pointer_size == 8) ? "elf_x86_64_fbsd" : "elf_i386_fbsd", NULL );
             break;
+        case PLATFORM_MINGW:
         case PLATFORM_WINDOWS:
             strarray_add( &args, "-m", (force_pointer_size == 8) ? "i386pep" : "i386pe", NULL );
             break;
@@ -479,7 +480,7 @@ struct strarray get_ld_command(void)
         }
     }
 
-    if (target_cpu == CPU_ARM && target_platform != PLATFORM_WINDOWS)
+    if (target_cpu == CPU_ARM && !is_pe())
         strarray_add( &args, "--no-wchar-size-warning", NULL );
 
     return args;
@@ -931,7 +932,7 @@ const char *get_link_name( const ORDDEF *odp )
     switch (odp->type)
     {
     case TYPE_STDCALL:
-        if (target_platform == PLATFORM_WINDOWS)
+        if (is_pe())
         {
             if (odp->flags & FLAG_THISCALL) return odp->link_name;
             if (odp->flags & FLAG_FASTCALL) ret = strmake( "@%s@%u", odp->link_name, get_args_size( odp ));
@@ -947,7 +948,7 @@ const char *get_link_name( const ORDDEF *odp )
         break;
 
     case TYPE_PASCAL:
-        if (target_platform == PLATFORM_WINDOWS && !kill_at)
+        if (is_pe() && !kill_at)
         {
             int args = get_args_size( odp );
             if (odp->flags & FLAG_REGISTER) args += get_ptr_size();  /* context argument */
@@ -1099,6 +1100,7 @@ const char *asm_name( const char *sym )
 
     switch (target_platform)
     {
+    case PLATFORM_MINGW:
     case PLATFORM_WINDOWS:
         if (target_cpu != CPU_x86) return sym;
         if (sym[0] == '@') return sym;  /* fastcall */
@@ -1122,6 +1124,7 @@ const char *func_declaration( const char *func )
     {
     case PLATFORM_APPLE:
         return "";
+    case PLATFORM_MINGW:
     case PLATFORM_WINDOWS:
         free( buffer );
         buffer = strmake( ".def %s\n\t.scl 2\n\t.type 32\n\t.endef%s", asm_name(func),
@@ -1153,6 +1156,7 @@ void output_function_size( const char *name )
     switch (target_platform)
     {
     case PLATFORM_APPLE:
+    case PLATFORM_MINGW:
     case PLATFORM_WINDOWS:
         break;
     default:
@@ -1182,6 +1186,7 @@ void output_rva( const char *format, ... )
     va_start( valist, format );
     switch (target_platform)
     {
+    case PLATFORM_MINGW:
     case PLATFORM_WINDOWS:
         output( "\t.rva " );
         vfprintf( output_file, format, valist );
@@ -1201,6 +1206,7 @@ void output_gnu_stack_note(void)
 {
     switch (target_platform)
     {
+    case PLATFORM_MINGW:
     case PLATFORM_WINDOWS:
     case PLATFORM_APPLE:
         break;
@@ -1230,6 +1236,7 @@ const char *asm_globl( const char *func )
     case PLATFORM_APPLE:
         buffer = strmake( "\t.globl _%s\n\t.private_extern _%s\n_%s:", func, func, func );
         break;
+    case PLATFORM_MINGW:
     case PLATFORM_WINDOWS:
         buffer = strmake( "\t.globl %s%s\n%s%s:", target_cpu == CPU_x86 ? "_" : "", func,
                           target_cpu == CPU_x86 ? "_" : "", func );
@@ -1268,6 +1275,7 @@ const char *get_asm_export_section(void)
     switch (target_platform)
     {
     case PLATFORM_APPLE:   return ".data";
+    case PLATFORM_MINGW:
     case PLATFORM_WINDOWS: return ".section .edata";
     default:               return ".section .data";
     }
@@ -1287,6 +1295,7 @@ const char *get_asm_rsrc_section(void)
     switch (target_platform)
     {
     case PLATFORM_APPLE:   return ".data";
+    case PLATFORM_MINGW:
     case PLATFORM_WINDOWS: return ".section .rsrc";
     default:               return ".section .data";
     }