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widl: Fix C++ RuntimeClass string constants declaration. 

MinGW g++ requires initialized selectany to have extern linkage.

Also, because of the various ways WCHAR may be defined, using an array
initializer is the simplest way to support all cases.

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-02-26 15:36:42 +01:00 committed by Alexandre Julliard
parent 6ed601ccba
commit 6966d7ea08
1 changed files with 6 additions and 2 deletions
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8
tools/widl/header.c
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@ -1835,11 +1835,15 @@ static void write_runtimeclass(FILE *header, type_t *runtimeclass)
if (contract) write_apicontract_guard_start(header, contract);
fprintf(header, "#ifndef RUNTIMECLASS_%s_DEFINED\n", c_name);
fprintf(header, "#define RUNTIMECLASS_%s_DEFINED\n", c_name);
fprintf(header, "#if defined(_MSC_VER) || defined(__MINGW32__)\n");
fprintf(header, "#if !defined(_MSC_VER) && !defined(__MINGW32__)\n");
fprintf(header, "static const WCHAR RuntimeClass_%s[] = {", c_name);
for (i = 0, len = strlen(name); i < len; ++i) fprintf(header, "'%c',", name[i]);
fprintf(header, "0};\n");
fprintf(header, "#elif defined(__GNUC__) && !defined(__cplusplus)\n");
/* FIXME: MIDL generates extern const here but GCC warns if extern is initialized */
fprintf(header, "const DECLSPEC_SELECTANY WCHAR RuntimeClass_%s[] = L\"%s\";\n", c_name, name);
fprintf(header, "#else\n");
fprintf(header, "static const WCHAR RuntimeClass_%s[] = {", c_name);
fprintf(header, "extern const DECLSPEC_SELECTANY WCHAR RuntimeClass_%s[] = {", c_name);
for (i = 0, len = strlen(name); i < len; ++i) fprintf(header, "'%c',", name[i]);
fprintf(header, "0};\n");
fprintf(header, "#endif\n");