winebuild: Add a -munix option.

tools/winebuild/build.h

@@ -358,6 +358,7 @@ extern int verbose;
 extern int link_ext_symbols;
 extern int force_pointer_size;
 extern int unwind_tables;
+extern int unix_lib;
 
 extern char *input_file_name;
 extern char *spec_file_name;

tools/winebuild/main.c

@@ -46,6 +46,7 @@ int verbose = 0;
 int link_ext_symbols = 0;
 int force_pointer_size = 0;
 int unwind_tables = 0;
+int unix_lib = 0;
 
 #ifdef __i386__
 enum target_cpu target_cpu = CPU_x86;
@@ -411,6 +412,7 @@ static char **parse_options( int argc, char **argv, DLLSPEC *spec )
             else if (!strcmp( optarg, "64" )) force_pointer_size = 8;
             else if (!strcmp( optarg, "arm" )) thumb_mode = 0;
             else if (!strcmp( optarg, "thumb" )) thumb_mode = 1;
+            else if (!strcmp( optarg, "unix" )) unix_lib = 1;
             else if (!strncmp( optarg, "cpu=", 4 )) cpu_option = xstrdup( optarg + 4 );
             else if (!strncmp( optarg, "fpu=", 4 )) fpu_option = xstrdup( optarg + 4 );
             else if (!strncmp( optarg, "arch=", 5 )) arch_option = xstrdup( optarg + 5 );

tools/winebuild/winebuild.man.in

@@ -160,6 +160,10 @@ Generate respectively 16-bit, 32-bit or 64-bit code.
 .BI \-marm,\ \-mthumb,\ \-march= option ,\ \-mcpu= option ,\ \-mfpu= option ,\ \-mfloat-abi= option
 Set code generation options for the assembler.
 .TP
+.B \-munix
+Build a library that imports standard functions from the Unix C
+library instead of the Windows runtime.
+.TP
 .BI \-M,\ --main-module= module
 When building a 16-bit dll, set the name of its 32-bit counterpart to
 \fImodule\fR. This is used to enforce that the load order for the

tools/winegcc/winegcc.c

@@ -845,6 +845,7 @@ static strarray *get_winebuild_args(struct options *opts)
         strarray_add( spec_args, "--target" );
         strarray_add( spec_args, opts->target );
     }
+    if (!opts->use_msvcrt) strarray_add( spec_args, "-munix" );
     if (opts->unwind_tables) strarray_add( spec_args, "-fasynchronous-unwind-tables" );
     else strarray_add( spec_args, "-fno-asynchronous-unwind-tables" );
     return spec_args;