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-rw-r--r--lib/Driver/ToolChains.cpp87
1 files changed, 55 insertions, 32 deletions
diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index 0ae5d10b6e..ca6050749b 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -23,6 +23,7 @@
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Path.h"
@@ -148,7 +149,8 @@ DarwinGCC::DarwinGCC(const HostInfo &Host, const llvm::Triple& Triple)
// Try the next major version if that tool chain dir is invalid.
std::string Tmp = "/usr/lib/gcc/" + ToolChainDir;
- if (!llvm::sys::Path(Tmp).exists()) {
+ bool Exists;
+ if (llvm::sys::fs::exists(Tmp, Exists) || Exists) {
std::string Next = "i686-apple-darwin";
Next += llvm::utostr(DarwinVersion[0] + 1);
Next += "/";
@@ -162,7 +164,7 @@ DarwinGCC::DarwinGCC(const HostInfo &Host, const llvm::Triple& Triple)
//
// FIXME: Drop dependency on gcc's tool chain.
Tmp = "/usr/lib/gcc/" + Next;
- if (llvm::sys::Path(Tmp).exists())
+ if (!llvm::sys::fs::exists(Tmp, Exists) && Exists)
ToolChainDir = Next;
}
@@ -307,19 +309,20 @@ void DarwinGCC::AddLinkSearchPathArgs(const ArgList &Args,
CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/" + ToolChainDir));
Tmp = getDriver().Dir + "/../lib/gcc/" + ToolChainDir;
- if (llvm::sys::Path(Tmp).exists())
+ bool Exists;
+ if (!llvm::sys::fs::exists(Tmp, Exists) && Exists)
CmdArgs.push_back(Args.MakeArgString("-L" + Tmp));
Tmp = getDriver().Dir + "/../lib/gcc";
- if (llvm::sys::Path(Tmp).exists())
+ if (!llvm::sys::fs::exists(Tmp, Exists) && Exists)
CmdArgs.push_back(Args.MakeArgString("-L" + Tmp));
CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir));
// Intentionally duplicated for (temporary) gcc bug compatibility.
CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir));
Tmp = getDriver().Dir + "/../lib/" + ToolChainDir;
- if (llvm::sys::Path(Tmp).exists())
+ if (!llvm::sys::fs::exists(Tmp, Exists) && Exists)
CmdArgs.push_back(Args.MakeArgString("-L" + Tmp));
Tmp = getDriver().Dir + "/../lib";
- if (llvm::sys::Path(Tmp).exists())
+ if (!llvm::sys::fs::exists(Tmp, Exists) && Exists)
CmdArgs.push_back(Args.MakeArgString("-L" + Tmp));
CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
"/../../../" + ToolChainDir));
@@ -457,12 +460,14 @@ void DarwinClang::AddLinkSearchPathArgs(const ArgList &Args,
if (ArchSpecificDir) {
P.appendComponent(ArchSpecificDir);
- if (P.exists())
+ bool Exists;
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
CmdArgs.push_back(Args.MakeArgString("-L" + P.str()));
P.eraseComponent();
}
- if (P.exists())
+ bool Exists;
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
CmdArgs.push_back(Args.MakeArgString("-L" + P.str()));
}
@@ -528,7 +533,8 @@ void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args,
// For now, allow missing resource libraries to support developers who may
// not have compiler-rt checked out or integrated into their build.
- if (P.exists())
+ bool Exists;
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
CmdArgs.push_back(Args.MakeArgString(P.str()));
}
}
@@ -622,16 +628,17 @@ void DarwinClang::AddCXXStdlibLibArgs(const ArgList &Args,
// explicitly if we can't see an obvious -lstdc++ candidate.
// Check in the sysroot first.
+ bool Exists;
if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
llvm::sys::Path P(A->getValue(Args));
P.appendComponent("usr");
P.appendComponent("lib");
P.appendComponent("libstdc++.dylib");
- if (!P.exists()) {
+ if (llvm::sys::fs::exists(P.str(), Exists) || !Exists) {
P.eraseComponent();
P.appendComponent("libstdc++.6.dylib");
- if (P.exists()) {
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists) {
CmdArgs.push_back(Args.MakeArgString(P.str()));
return;
}
@@ -639,8 +646,8 @@ void DarwinClang::AddCXXStdlibLibArgs(const ArgList &Args,
}
// Otherwise, look in the root.
- if (!llvm::sys::Path("/usr/lib/libstdc++.dylib").exists() &&
- llvm::sys::Path("/usr/lib/libstdc++.6.dylib").exists()) {
+ if ((llvm::sys::fs::exists("/usr/lib/libstdc++.dylib", Exists) || !Exists)&&
+ (!llvm::sys::fs::exists("/usr/lib/libstdc++.6.dylib", Exists) && Exists)){
CmdArgs.push_back("/usr/lib/libstdc++.6.dylib");
return;
}
@@ -666,7 +673,8 @@ void DarwinClang::AddCCKextLibArgs(const ArgList &Args,
// For now, allow missing resource libraries to support developers who may
// not have compiler-rt checked out or integrated into their build.
- if (P.exists())
+ bool Exists;
+ if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
CmdArgs.push_back(Args.MakeArgString(P.str()));
}
@@ -1233,7 +1241,9 @@ static bool IsDebianBased(enum LinuxDistro Distro) {
static bool HasMultilib(llvm::Triple::ArchType Arch, enum LinuxDistro Distro) {
if (Arch == llvm::Triple::x86_64) {
- if (Distro == Exherbo && !llvm::sys::Path("/usr/lib32/libc.so").exists())
+ bool Exists;
+ if (Distro == Exherbo &&
+ (llvm::sys::fs::exists("/usr/lib32/libc.so", Exists) || !Exists))
return false;
return true;
@@ -1287,7 +1297,8 @@ static LinuxDistro DetectLinuxDistro(llvm::Triple::ArchType Arch) {
return UnknownDistro;
}
- if (llvm::sys::Path("/etc/exherbo-release").exists())
+ bool Exists;
+ if (!llvm::sys::fs::exists("/etc/exherbo-release", Exists) && Exists)
return Exherbo;
return UnknownDistro;
@@ -1308,39 +1319,51 @@ Linux::Linux(const HostInfo &Host, const llvm::Triple &Triple)
std::string Lib32 = "lib";
- if ( llvm::sys::Path("/lib32").exists())
+ bool Exists;
+ if (!llvm::sys::fs::exists("/lib32", Exists) && Exists)
Lib32 = "lib32";
std::string Lib64 = "lib";
llvm::sys::Path Lib64Path("/lib64");
- if (Lib64Path.exists() && !Lib64Path.isSymLink())
+ if (!llvm::sys::fs::exists(Lib64Path.str(), Exists) && Exists &&
+ !Lib64Path.isSymLink())
Lib64 = "lib64";
std::string GccTriple = "";
if (Arch == llvm::Triple::arm) {
- if (llvm::sys::Path("/usr/lib/gcc/arm-linux-gnueabi").exists())
+ if (!llvm::sys::fs::exists("/usr/lib/gcc/arm-linux-gnueabi", Exists) &&
+ Exists)
GccTriple = "arm-linux-gnueabi";
} else if (Arch == llvm::Triple::x86_64) {
- if (llvm::sys::Path("/usr/lib/gcc/x86_64-linux-gnu").exists())
+ if (!llvm::sys::fs::exists("/usr/lib/gcc/x86_64-linux-gnu", Exists) &&
+ Exists)
GccTriple = "x86_64-linux-gnu";
- else if (llvm::sys::Path("/usr/lib/gcc/x86_64-unknown-linux-gnu").exists())
+ else if (!llvm::sys::fs::exists("/usr/lib/gcc/x86_64-unknown-linux-gnu",
+ Exists) && Exists)
GccTriple = "x86_64-unknown-linux-gnu";
- else if (llvm::sys::Path("/usr/lib/gcc/x86_64-pc-linux-gnu").exists())
+ else if (!llvm::sys::fs::exists("/usr/lib/gcc/x86_64-pc-linux-gnu",
+ Exists) && Exists)
GccTriple = "x86_64-pc-linux-gnu";
- else if (llvm::sys::Path("/usr/lib/gcc/x86_64-redhat-linux").exists())
+ else if (!llvm::sys::fs::exists("/usr/lib/gcc/x86_64-redhat-linux",
+ Exists) && Exists)
GccTriple = "x86_64-redhat-linux";
- else if (llvm::sys::Path("/usr/lib64/gcc/x86_64-suse-linux").exists())
+ else if (!llvm::sys::fs::exists("/usr/lib64/gcc/x86_64-suse-linux",
+ Exists) && Exists)
GccTriple = "x86_64-suse-linux";
} else if (Arch == llvm::Triple::x86) {
- if (llvm::sys::Path("/usr/lib/gcc/i686-linux-gnu").exists())
+ if (!llvm::sys::fs::exists("/usr/lib/gcc/i686-linux-gnu", Exists) && Exists)
GccTriple = "i686-linux-gnu";
- else if (llvm::sys::Path("/usr/lib/gcc/i686-pc-linux-gnu").exists())
+ else if (!llvm::sys::fs::exists("/usr/lib/gcc/i686-pc-linux-gnu", Exists) &&
+ Exists)
GccTriple = "i686-pc-linux-gnu";
- else if (llvm::sys::Path("/usr/lib/gcc/i486-linux-gnu").exists())
+ else if (!llvm::sys::fs::exists("/usr/lib/gcc/i486-linux-gnu", Exists) &&
+ Exists)
GccTriple = "i486-linux-gnu";
- else if (llvm::sys::Path("/usr/lib/gcc/i686-redhat-linux").exists())
+ else if (!llvm::sys::fs::exists("/usr/lib/gcc/i686-redhat-linux", Exists) &&
+ Exists)
GccTriple = "i686-redhat-linux";
- else if (llvm::sys::Path("/usr/lib/gcc/i586-suse-linux").exists())
+ else if (!llvm::sys::fs::exists("/usr/lib/gcc/i586-suse-linux", Exists) &&
+ Exists)
GccTriple = "i586-suse-linux";
}
@@ -1350,12 +1373,12 @@ Linux::Linux(const HostInfo &Host, const llvm::Triple &Triple)
for (unsigned i = 0; i < sizeof(GccVersions)/sizeof(char*); ++i) {
std::string Suffix = GccTriple + "/" + GccVersions[i];
std::string t1 = "/usr/lib/gcc/" + Suffix;
- if (llvm::sys::Path(t1 + "/crtbegin.o").exists()) {
+ if (!llvm::sys::fs::exists(t1 + "/crtbegin.o", Exists) && Exists) {
Base = t1;
break;
}
std::string t2 = "/usr/lib64/gcc/" + Suffix;
- if (llvm::sys::Path(t2 + "/crtbegin.o").exists()) {
+ if (!llvm::sys::fs::exists(t2 + "/crtbegin.o", Exists) && Exists) {
Base = t2;
break;
}
@@ -1376,7 +1399,7 @@ Linux::Linux(const HostInfo &Host, const llvm::Triple &Triple)
}
llvm::sys::Path LinkerPath(Base + "/../../../../" + GccTriple + "/bin/ld");
- if (LinkerPath.exists())
+ if (!llvm::sys::fs::exists(LinkerPath.str(), Exists) && Exists)
Linker = LinkerPath.str();
else
Linker = GetProgramPath("ld");
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-05-08 19:56:00 +0000