winebuild: Add support for -march.

tools/winebuild/build.h

@@ -362,6 +362,7 @@ extern struct strarray *cc_command;
 extern struct strarray *ld_command;
 extern struct strarray *nm_command;
 extern char *cpu_option;
+extern char *arch_option;
 extern int thumb_mode;
 
 #endif  /* __WINE_BUILD_H */

tools/winebuild/main.c

@@ -89,6 +89,7 @@ struct strarray *cc_command = NULL;
 struct strarray *ld_command = NULL;
 struct strarray *nm_command = NULL;
 char *cpu_option = NULL;
+char *arch_option = NULL;
 
 #ifdef __thumb__
 int thumb_mode = 1;
@@ -408,6 +409,7 @@ static char **parse_options( int argc, char **argv, DLLSPEC *spec )
             else if (!strcmp( optarg, "arm" )) thumb_mode = 0;
             else if (!strcmp( optarg, "thumb" )) thumb_mode = 1;
             else if (!strncmp( optarg, "cpu=", 4 )) cpu_option = xstrdup( optarg + 4 );
+            else if (!strncmp( optarg, "arch=", 5 )) arch_option = xstrdup( optarg + 5 );
             else fatal_error( "Unknown -m option '%s'\n", optarg );
             break;
         case 'M':

tools/winebuild/utils.c

@@ -388,6 +388,7 @@ struct strarray *get_as_command(void)
         if (force_pointer_size)
             strarray_add_one( args, (force_pointer_size == 8) ? "-m64" : "-m32" );
         if (cpu_option) strarray_add_one( args, strmake("-mcpu=%s", cpu_option) );
+        if (arch_option) strarray_add_one( args, strmake("-march=%s", arch_option) );
         return args;
     }
 

tools/winebuild/winebuild.man.in

@@ -156,7 +156,7 @@ option.
 .B \-m16, -m32, -m64
 Generate respectively 16-bit, 32-bit or 64-bit code.
 .TP
-.BI \-marm,\ \-mthumb,\ \-mcpu= option
+.BI \-marm,\ \-mthumb,\ \-march= option ,\ \-mcpu= option
 Set code generation options for the assembler.
 .TP
 .BI \-M,\ --main-module= module