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MinGW: pragma(lib,...) DMD compatibility hacks.

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This commit is contained in:
David Nadlinger
2013-02-18 11:02:19 +01:00
parent 3392f70a4e
commit d2f8c929d0
1 changed files with 26 additions and 7 deletions
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33
gen/declarations.cpp
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@@ -317,16 +317,35 @@ void PragmaDeclaration::codegen(Ir* p)
Expression *e = static_cast<Expression *>(args->data[0]);
assert(e->op == TOKstring);
StringExp *se = static_cast<StringExp *>(e);
char *name = static_cast<char *>(mem.malloc(se->len + 1));
memcpy(name, se->string, se->len);
name[se->len] = 0;
size_t n = strlen(name)+3;
size_t nameLen = se->len;
if (global.params.targetTriple.getOS() == llvm::Triple::MinGW32)
{
if (nameLen > 4 &&
!memcmp(static_cast<char*>(se->string) + nameLen - 4, ".lib", 4))
{
// On MinGW, strip the .lib suffix, if any, to improve
// compatibility with code written for DMD (we pass the name to GCC
// via -l, just as on Posix).
nameLen -= 4;
}
if (nameLen >= 7 && !memcmp(se->string, "shell32", 7))
{
// Another DMD compatibility kludge: Ignore
// pragma(lib, "shell32.lib"), it is implicitly provided by
// MinGW.
return;
}
}
size_t const n = nameLen + 3;
char *arg = static_cast<char *>(mem.malloc(n));
strcpy(arg, "-l");
strncat(arg, name, n);
arg[0] = '-';
arg[1] = 'l';
memcpy(arg + 2, se->string, nameLen);
arg[n-1] = 0;
global.params.linkswitches->push(arg);
}
AttribDeclaration::codegen(p);