lichray created this revision.
Herald added subscribers: krytarowski, arichardson, emaste.
lichray requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
When targeting FreeBSD on a Linux host with a copy
of system libc++, Clang prepends /usr/include/c++/v1
to the search paths even with -ffreestanding, and
fails to compile a program with a
single #include <xmmintrin.h>
The proposed change fixes this issue.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D114497
Files:
clang/lib/Driver/ToolChains/Gnu.cpp
Index: clang/lib/Driver/ToolChains/Gnu.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Gnu.cpp
+++ clang/lib/Driver/ToolChains/Gnu.cpp
@@ -2872,7 +2872,7 @@
void Generic_GCC::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
ArgStringList &CC1Args) const {
if (DriverArgs.hasArg(options::OPT_nostdinc, options::OPT_nostdincxx,
- options::OPT_nostdlibinc))
+ options::OPT_nostdlibinc, options::OPT_ffreestanding))
return;
switch (GetCXXStdlibType(DriverArgs)) {
Index: clang/lib/Driver/ToolChains/Gnu.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Gnu.cpp
+++ clang/lib/Driver/ToolChains/Gnu.cpp
@@ -2872,7 +2872,7 @@
void Generic_GCC::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
ArgStringList &CC1Args) const {
if (DriverArgs.hasArg(options::OPT_nostdinc, options::OPT_nostdincxx,
- options::OPT_nostdlibinc))
+ options::OPT_nostdlibinc, options::OPT_ffreestanding))
return;
switch (GetCXXStdlibType(DriverArgs)) {
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