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authorMartin Storsjö <martin@martin.st>2021-08-11 13:53:43 +0300
committerMartin Storsjö <martin@martin.st>2021-08-12 13:27:09 +0300
commit5ed9e5c2c0ee9a77ed4a2a5bd817b03acf78fbac (patch)
tree4ca4d4e1c5399c51205562041416b59987b58953
parent592adb0b24aca2ccc88d9f5f1c427361897d1172 (diff)
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[clang] [MinGW] Consider the per-target libc++ include directory too
The existing logic for per-target libc++ include directories only seem to exist for the Gnu and Fuchsia drivers, added in ea12d779bc238c387511fe7462020f4ecf4a8246 / D89013. This is less generic than the corresponding case in the Gnu driver, but matches the existing level of genericity in the MinGW driver (and others too). Differential Revision: https://reviews.llvm.org/D107893
-rw-r--r--clang/lib/Driver/ToolChains/MinGW.cpp8
-rw-r--r--clang/test/Driver/Inputs/mingw_clang_tree/mingw32/include/i686-unknown-windows-gnu/c++/v1/.keep0
-rw-r--r--clang/test/Driver/mingw.cpp1
3 files changed, 8 insertions, 1 deletions
diff --git a/clang/lib/Driver/ToolChains/MinGW.cpp b/clang/lib/Driver/ToolChains/MinGW.cpp
index 7ba729f..1aaa941 100644
--- a/clang/lib/Driver/ToolChains/MinGW.cpp
+++ b/clang/lib/Driver/ToolChains/MinGW.cpp
@@ -588,12 +588,18 @@ void toolchains::MinGW::AddClangCXXStdlibIncludeArgs(
StringRef Slash = llvm::sys::path::get_separator();
switch (GetCXXStdlibType(DriverArgs)) {
- case ToolChain::CST_Libcxx:
+ case ToolChain::CST_Libcxx: {
+ std::string TargetDir = (Base + "include" + Slash + getTripleString() +
+ Slash + "c++" + Slash + "v1")
+ .str();
+ if (getDriver().getVFS().exists(TargetDir))
+ addSystemInclude(DriverArgs, CC1Args, TargetDir);
addSystemInclude(DriverArgs, CC1Args, Base + Arch + Slash + "include" +
Slash + "c++" + Slash + "v1");
addSystemInclude(DriverArgs, CC1Args,
Base + "include" + Slash + "c++" + Slash + "v1");
break;
+ }
case ToolChain::CST_Libstdcxx:
llvm::SmallVector<llvm::SmallString<1024>, 4> CppIncludeBases;
diff --git a/clang/test/Driver/Inputs/mingw_clang_tree/mingw32/include/i686-unknown-windows-gnu/c++/v1/.keep b/clang/test/Driver/Inputs/mingw_clang_tree/mingw32/include/i686-unknown-windows-gnu/c++/v1/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/clang/test/Driver/Inputs/mingw_clang_tree/mingw32/include/i686-unknown-windows-gnu/c++/v1/.keep
diff --git a/clang/test/Driver/mingw.cpp b/clang/test/Driver/mingw.cpp
index 83b61ba..4d573f0 100644
--- a/clang/test/Driver/mingw.cpp
+++ b/clang/test/Driver/mingw.cpp
@@ -4,6 +4,7 @@
// RUN: %clang -target i686-windows-gnu -rtlib=platform -stdlib=libc++ -c -### --sysroot=%S/Inputs/mingw_clang_tree/mingw32 %s 2>&1 | FileCheck -check-prefix=CHECK_MINGW_CLANG_TREE_LIBCXX %s
+// CHECK_MINGW_CLANG_TREE_LIBCXX: "[[BASE:[^"]+]]/Inputs/mingw_clang_tree/mingw32{{/|\\\\}}include{{/|\\\\}}i686-unknown-windows-gnu{{/|\\\\}}c++{{/|\\\\}}v1"
// CHECK_MINGW_CLANG_TREE_LIBCXX: "[[BASE:[^"]+]]/Inputs/mingw_clang_tree/mingw32{{/|\\\\}}i686-w64-mingw32{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}v1"