[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[]) This patch needs some work in the code generation, because of the runtime changes (functions "_d_arrayappendcd" and "_d_arrayappendwd" are added). This doesn't affect existing code though, it just makes with patch a little useless, because something like this: char [] s; s ~= '\u6211'; That failed to compile with a nice error message previously to this change, now fails with and ugly error message (a failed assertion). Apparently there is a regression introduced by this patch too, when compiling Dil I get this assertion message: ldc: /home/luca/tesis/ldc/gen/statements.cpp:132: virtual void ReturnStatement::toIR(IRState*): Assertion `p->topfunc()->getReturnType() == llvm::Type::getVoidTy(gIR->context())' failed. 0 ldc 0x08a91628 Thank god we have bisecting capabilities in VCSs now ;) --- dmd/expression.c | 47 +++++++++++++++++++++++++++++++++++++++++------ 1 files changed, 41 insertions(+), 6 deletions(-)

#include "gen/programs.h"

#include "llvm/Support/CommandLine.h"
#include "llvm/System/Program.h"

#include "root.h"       // error(char*)
#include "mars.h"       // fatal()

using namespace llvm;

static cl::opt<std::string> gcc("gcc",
    cl::desc("GCC to use for assembling and linking"),
    cl::Hidden,
    cl::ZeroOrMore);


sys::Path getGcc() {
    const char *cc = NULL;
    
    if (gcc.getNumOccurrences() > 0 && gcc.length() > 0)
        cc = gcc.c_str();
    
    if (!cc)
        cc = getenv("CC");
    if (!cc)
        cc = "gcc";
    
    sys::Path path = sys::Program::FindProgramByName(cc);
    if (path.empty() && !cc) {
        if (cc) {
            path.set(cc);
        } else {
            error("failed to locate gcc");
            fatal();
        }
    }
    
    return path;
}