[libcxx-commits] [libcxx] ea12d77 - [libc++] Support per-target __config_site in per-target runtime build
Petr Hosek via libcxx-commits
libcxx-commits at lists.llvm.org
Wed Apr 28 14:27:33 PDT 2021
Author: Petr Hosek
Date: 2021-04-28T14:27:16-07:00
New Revision: ea12d779bc238c387511fe7462020f4ecf4a8246
URL: https://github.com/llvm/llvm-project/commit/ea12d779bc238c387511fe7462020f4ecf4a8246
DIFF: https://github.com/llvm/llvm-project/commit/ea12d779bc238c387511fe7462020f4ecf4a8246.diff
LOG: [libc++] Support per-target __config_site in per-target runtime build
When using the per-target runtime build, it may be desirable to have
different __config_site headers for each target where all targets cannot
share a single configuration.
The layout used for libc++ headers after this change is:
```
include/
c++/
v1/
<libc++ headers except for __config_site>
<target1>/
c++/
v1/
__config_site
<target2>/
c++/
v1/
__config_site
<other targets>
```
This is the most optimal layout since it avoids duplication, the only
headers that's per-target is __config_site, all other headers are
shared across targets. This also means that we no need two
-isystem flags: one for the target-agnostic headers and one for
the target specific headers.
Differential Revision: https://reviews.llvm.org/D89013
Added:
clang/test/Driver/Inputs/basic_fuchsia_tree/include/aarch64-unknown-fuchsia/c++/v1/.keep
clang/test/Driver/Inputs/basic_fuchsia_tree/include/riscv64-unknown-fuchsia/c++/v1/.keep
clang/test/Driver/Inputs/basic_fuchsia_tree/include/x86_64-unknown-fuchsia/c++/v1/.keep
clang/test/Driver/Inputs/basic_linux_libcxx_tree/usr/include/x86_64-unknown-linux-gnu/c++/v1/.keep
clang/test/Driver/Inputs/basic_linux_libcxxv2_tree/usr/include/x86_64-unknown-linux-gnu/c++/v2/.keep
clang/test/Driver/Inputs/basic_linux_libstdcxx_libcxxv2_tree/usr/include/x86_64-unknown-linux-gnu/c++/v2/.keep
Modified:
clang/lib/Driver/ToolChains/Fuchsia.cpp
clang/lib/Driver/ToolChains/Gnu.cpp
clang/test/Driver/fuchsia.cpp
clang/test/Driver/linux-header-search.cpp
libcxx/CMakeLists.txt
libcxx/benchmarks/CMakeLists.txt
libcxx/include/CMakeLists.txt
libcxx/utils/libcxx/test/config.py
libcxxabi/test/libcxxabi/test/config.py
Removed:
################################################################################
diff --git a/clang/lib/Driver/ToolChains/Fuchsia.cpp b/clang/lib/Driver/ToolChains/Fuchsia.cpp
index 6ee367ab4ecc6..cf562335e18e6 100644
--- a/clang/lib/Driver/ToolChains/Fuchsia.cpp
+++ b/clang/lib/Driver/ToolChains/Fuchsia.cpp
@@ -358,13 +358,31 @@ void Fuchsia::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
DriverArgs.hasArg(options::OPT_nostdincxx))
return;
+ const Driver &D = getDriver();
+ std::string Target = getTripleString();
+
+ auto AddCXXIncludePath = [&](StringRef Path) {
+ std::string Version = detectLibcxxVersion(Path);
+ if (Version.empty())
+ return;
+
+ // First add the per-target include path.
+ SmallString<128> TargetDir(Path);
+ llvm::sys::path::append(TargetDir, Target, "c++", Version);
+ if (getVFS().exists(TargetDir))
+ addSystemInclude(DriverArgs, CC1Args, TargetDir);
+
+ // Second add the generic one.
+ SmallString<128> Dir(Path);
+ llvm::sys::path::append(Dir, "c++", Version);
+ addSystemInclude(DriverArgs, CC1Args, Dir);
+ };
+
switch (GetCXXStdlibType(DriverArgs)) {
case ToolChain::CST_Libcxx: {
- SmallString<128> P(getDriver().Dir);
+ SmallString<128> P(D.Dir);
llvm::sys::path::append(P, "..", "include");
- std::string Version = detectLibcxxVersion(P);
- llvm::sys::path::append(P, "c++", Version);
- addSystemInclude(DriverArgs, CC1Args, P.str());
+ AddCXXIncludePath(P);
break;
}
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 53bba72dc270e..a27841dc5985e 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -2900,14 +2900,25 @@ void Generic_GCC::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
void
Generic_GCC::addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const {
+ const Driver &D = getDriver();
+ std::string SysRoot = computeSysRoot();
+ std::string Target = getTripleString();
+
auto AddIncludePath = [&](std::string Path) {
std::string Version = detectLibcxxVersion(Path);
- std::string IncludePath = Path + "/c++/" + Version;
- if (Version.empty() || !getVFS().exists(IncludePath))
+ if (Version.empty())
return false;
- addSystemInclude(DriverArgs, CC1Args, IncludePath);
+
+ // First add the per-target include path if it exists.
+ std::string TargetDir = Path + "/" + Target + "/c++/" + Version;
+ if (D.getVFS().exists(TargetDir))
+ addSystemInclude(DriverArgs, CC1Args, TargetDir);
+
+ // Second add the generic one.
+ addSystemInclude(DriverArgs, CC1Args, Path + "/c++/" + Version);
return true;
};
+
// Android never uses the libc++ headers installed alongside the toolchain,
// which are generally incompatible with the NDK libraries anyway.
if (!getTriple().isAndroid())
@@ -2916,7 +2927,6 @@ Generic_GCC::addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
// If this is a development, non-installed, clang, libcxx will
// not be found at ../include/c++ but it likely to be found at
// one of the following two locations:
- std::string SysRoot = computeSysRoot();
if (AddIncludePath(SysRoot + "/usr/local/include"))
return;
if (AddIncludePath(SysRoot + "/usr/include"))
diff --git a/clang/test/Driver/Inputs/basic_fuchsia_tree/include/aarch64-unknown-fuchsia/c++/v1/.keep b/clang/test/Driver/Inputs/basic_fuchsia_tree/include/aarch64-unknown-fuchsia/c++/v1/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/basic_fuchsia_tree/include/riscv64-unknown-fuchsia/c++/v1/.keep b/clang/test/Driver/Inputs/basic_fuchsia_tree/include/riscv64-unknown-fuchsia/c++/v1/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/basic_fuchsia_tree/include/x86_64-unknown-fuchsia/c++/v1/.keep b/clang/test/Driver/Inputs/basic_fuchsia_tree/include/x86_64-unknown-fuchsia/c++/v1/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/basic_linux_libcxx_tree/usr/include/x86_64-unknown-linux-gnu/c++/v1/.keep b/clang/test/Driver/Inputs/basic_linux_libcxx_tree/usr/include/x86_64-unknown-linux-gnu/c++/v1/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/basic_linux_libcxxv2_tree/usr/include/x86_64-unknown-linux-gnu/c++/v2/.keep b/clang/test/Driver/Inputs/basic_linux_libcxxv2_tree/usr/include/x86_64-unknown-linux-gnu/c++/v2/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/Inputs/basic_linux_libstdcxx_libcxxv2_tree/usr/include/x86_64-unknown-linux-gnu/c++/v2/.keep b/clang/test/Driver/Inputs/basic_linux_libstdcxx_libcxxv2_tree/usr/include/x86_64-unknown-linux-gnu/c++/v2/.keep
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/Driver/fuchsia.cpp b/clang/test/Driver/fuchsia.cpp
index e38c70693a0a4..86a0acebc0842 100644
--- a/clang/test/Driver/fuchsia.cpp
+++ b/clang/test/Driver/fuchsia.cpp
@@ -20,6 +20,9 @@
// CHECK-NOT: "-fno-use-init-array"
// CHECK: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
// CHECK: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-X86_64: "-internal-isystem" "{{.*[/\\]}}include{{/|\\\\}}x86_64-unknown-fuchsia{{/|\\\\}}c++{{/|\\\\}}v1"
+// CHECK-AARCH64: "-internal-isystem" "{{.*[/\\]}}include{{/|\\\\}}aarch64-unknown-fuchsia{{/|\\\\}}c++{{/|\\\\}}v1"
+// CHECK-RISCV64: "-internal-isystem" "{{.*[/\\]}}include{{/|\\\\}}riscv64-unknown-fuchsia{{/|\\\\}}c++{{/|\\\\}}v1"
// CHECK: "-internal-isystem" "{{.*[/\\]}}include{{/|\\\\}}c++{{/|\\\\}}v1"
// CHECK: "-internal-externc-isystem" "[[SYSROOT]]{{/|\\\\}}include"
// CHECK: {{.*}}ld.lld{{.*}}" "-z" "now" "-z" "rodynamic" "-z" "separate-loadable-segments"
diff --git a/clang/test/Driver/linux-header-search.cpp b/clang/test/Driver/linux-header-search.cpp
index 9044ac2065a13..ced20ed0ae853 100644
--- a/clang/test/Driver/linux-header-search.cpp
+++ b/clang/test/Driver/linux-header-search.cpp
@@ -13,6 +13,7 @@
// RUN: | FileCheck --check-prefix=CHECK-BASIC-LIBCXX-SYSROOT %s
// CHECK-BASIC-LIBCXX-SYSROOT: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
// CHECK-BASIC-LIBCXX-SYSROOT: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-BASIC-LIBCXX-SYSROOT: "-internal-isystem" "[[SYSROOT]]/usr/include/x86_64-unknown-linux-gnu/c++/v1"
// CHECK-BASIC-LIBCXX-SYSROOT: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v1"
// CHECK-BASIC-LIBCXX-SYSROOT: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
@@ -25,6 +26,7 @@
// RUN: | FileCheck --check-prefix=CHECK-BASIC-LIBCXX-INSTALL %s
// CHECK-BASIC-LIBCXX-INSTALL: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
// CHECK-BASIC-LIBCXX-INSTALL: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-BASIC-LIBCXX-INSTALL: "-internal-isystem" "[[SYSROOT]]/usr/bin/../include/x86_64-unknown-linux-gnu/c++/v1"
// CHECK-BASIC-LIBCXX-INSTALL: "-internal-isystem" "[[SYSROOT]]/usr/bin/../include/c++/v1"
// CHECK-BASIC-LIBCXX-INSTALL: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
//
@@ -38,6 +40,7 @@
// RUN: | FileCheck --check-prefix=CHECK-BASIC-LIBCXXV2-SYSROOT %s
// CHECK-BASIC-LIBCXXV2-SYSROOT: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
// CHECK-BASIC-LIBCXXV2-SYSROOT: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-BASIC-LIBCXXV2-SYSROOT: "-internal-isystem" "[[SYSROOT]]/usr/include/x86_64-unknown-linux-gnu/c++/v2"
// CHECK-BASIC-LIBCXXV2-SYSROOT: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v2"
// CHECK-BASIC-LIBCXXV2-SYSROOT: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
@@ -50,6 +53,7 @@
// RUN: | FileCheck --check-prefix=CHECK-BASIC-LIBCXXV2-INSTALL %s
// CHECK-BASIC-LIBCXXV2-INSTALL: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
// CHECK-BASIC-LIBCXXV2-INSTALL: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-BASIC-LIBCXXV2-INSTALL: "-internal-isystem" "[[SYSROOT]]/usr/bin/../include/x86_64-unknown-linux-gnu/c++/v2"
// CHECK-BASIC-LIBCXXV2-INSTALL: "-internal-isystem" "[[SYSROOT]]/usr/bin/../include/c++/v2"
// CHECK-BASIC-LIBCXXV2-INSTALL: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
//
@@ -64,6 +68,7 @@
// RUN: | FileCheck --check-prefix=CHECK-BASIC-LIBSTDCXX-LIBCXXV2-SYSROOT %s
// CHECK-BASIC-LIBSTDCXX-LIBCXXV2-SYSROOT: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
// CHECK-BASIC-LIBSTDCXX-LIBCXXV2-SYSROOT: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-BASIC-LIBSTDCXX-LIBCXXV2-SYSROOT: "-internal-isystem" "[[SYSROOT]]/usr/include/x86_64-unknown-linux-gnu/c++/v2"
// CHECK-BASIC-LIBSTDCXX-LIBCXXV2-SYSROOT: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v2"
// CHECK-BASIC-LIBSTDCXX-LIBCXXV2-SYSROOT: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
diff --git a/libcxx/CMakeLists.txt b/libcxx/CMakeLists.txt
index a53493e7fd8e0..06ee1d74a03e6 100644
--- a/libcxx/CMakeLists.txt
+++ b/libcxx/CMakeLists.txt
@@ -408,7 +408,10 @@ endif ()
if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
set(LIBCXX_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_DEFAULT_TARGET_TRIPLE})
set(LIBCXX_GENERATED_INCLUDE_DIR "${LLVM_BINARY_DIR}/include/c++/v1")
+ set(LIBCXX_GENERATED_INCLUDE_TARGET_DIR "${LLVM_BINARY_DIR}/include/${LLVM_DEFAULT_TARGET_TRIPLE}/c++/v1")
set(LIBCXX_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE})
+ set(LIBCXX_INSTALL_INCLUDE_DIR "include/c++/v1")
+ set(LIBCXX_INSTALL_INCLUDE_TARGET_DIR "include/${LLVM_DEFAULT_TARGET_TRIPLE}/c++/v1")
if(LIBCXX_LIBDIR_SUBDIR)
string(APPEND LIBCXX_LIBRARY_DIR /${LIBCXX_LIBDIR_SUBDIR})
string(APPEND LIBCXX_INSTALL_LIBRARY_DIR /${LIBCXX_LIBDIR_SUBDIR})
@@ -416,11 +419,17 @@ if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
elseif(LLVM_LIBRARY_OUTPUT_INTDIR)
set(LIBCXX_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
set(LIBCXX_GENERATED_INCLUDE_DIR "${LLVM_BINARY_DIR}/include/c++/v1")
+ set(LIBCXX_GENERATED_INCLUDE_TARGET_DIR "${LIBCXX_GENERATED_INCLUDE_DIR}")
set(LIBCXX_INSTALL_LIBRARY_DIR lib${LIBCXX_LIBDIR_SUFFIX})
+ set(LIBCXX_INSTALL_INCLUDE_DIR "include/c++/v1")
+ set(LIBCXX_INSTALL_INCLUDE_TARGET_DIR "${LIBCXX_INSTALL_INCLUDE_DIR}")
else()
set(LIBCXX_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXX_LIBDIR_SUFFIX})
set(LIBCXX_GENERATED_INCLUDE_DIR "${CMAKE_BINARY_DIR}/include/c++/v1")
+ set(LIBCXX_GENERATED_INCLUDE_TARGET_DIR "${LIBCXX_GENERATED_INCLUDE_DIR}")
set(LIBCXX_INSTALL_LIBRARY_DIR lib${LIBCXX_LIBDIR_SUFFIX})
+ set(LIBCXX_INSTALL_INCLUDE_DIR "include/c++/v1")
+ set(LIBCXX_INSTALL_INCLUDE_TARGET_DIR "${LIBCXX_INSTALL_INCLUDE_DIR}")
endif()
file(MAKE_DIRECTORY "${LIBCXX_BINARY_INCLUDE_DIR}")
diff --git a/libcxx/benchmarks/CMakeLists.txt b/libcxx/benchmarks/CMakeLists.txt
index 47a463fd7cf66..c4b8247da63b1 100644
--- a/libcxx/benchmarks/CMakeLists.txt
+++ b/libcxx/benchmarks/CMakeLists.txt
@@ -15,6 +15,10 @@ set(BENCHMARK_LIBCXX_COMPILE_FLAGS
-Wl,-rpath,${LIBCXX_LIBRARY_DIR}
${SANITIZER_FLAGS}
)
+if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
+ list(APPEND BENCHMARK_LIBCXX_COMPILE_FLAGS
+ -isystem "${LIBCXX_GENERATED_INCLUDE_TARGET_DIR}")
+endif()
if (DEFINED LIBCXX_CXX_ABI_LIBRARY_PATH)
list(APPEND BENCHMARK_LIBCXX_COMPILE_FLAGS
-L${LIBCXX_CXX_ABI_LIBRARY_PATH}
diff --git a/libcxx/include/CMakeLists.txt b/libcxx/include/CMakeLists.txt
index 3c3a229c6b1d4..51586e0aa8e5f 100644
--- a/libcxx/include/CMakeLists.txt
+++ b/libcxx/include/CMakeLists.txt
@@ -209,9 +209,9 @@ set(files
wctype.h
)
-configure_file("__config_site.in" "${LIBCXX_GENERATED_INCLUDE_DIR}/__config_site" @ONLY)
+configure_file("__config_site.in" "${LIBCXX_GENERATED_INCLUDE_TARGET_DIR}/__config_site" @ONLY)
-set(_all_includes "${LIBCXX_GENERATED_INCLUDE_DIR}/__config_site")
+set(_all_includes "${LIBCXX_GENERATED_INCLUDE_TARGET_DIR}/__config_site")
foreach(f ${files})
set(src "${CMAKE_CURRENT_SOURCE_DIR}/${f}")
set(dst "${LIBCXX_GENERATED_INCLUDE_DIR}/${f}")
@@ -228,24 +228,26 @@ add_library(cxx-headers INTERFACE)
add_dependencies(cxx-headers generate-cxx-headers ${LIBCXX_CXX_ABI_HEADER_TARGET})
# TODO: Use target_include_directories once we figure out why that breaks the runtimes build
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC" OR "${CMAKE_CXX_SIMULATE_ID}" STREQUAL "MSVC")
- target_compile_options(cxx-headers INTERFACE /I "${LIBCXX_GENERATED_INCLUDE_DIR}")
+ target_compile_options(cxx-headers INTERFACE /I "${LIBCXX_GENERATED_INCLUDE_DIR}"
+ INTERFACE /I "${LIBCXX_GENERATED_INCLUDE_TARGET_DIR}")
else()
- target_compile_options(cxx-headers INTERFACE -I "${LIBCXX_GENERATED_INCLUDE_DIR}")
+ target_compile_options(cxx-headers INTERFACE -I${LIBCXX_GENERATED_INCLUDE_DIR}
+ INTERFACE -I${LIBCXX_GENERATED_INCLUDE_TARGET_DIR})
endif()
if (LIBCXX_INSTALL_HEADERS)
foreach(file ${files})
get_filename_component(dir ${file} DIRECTORY)
install(FILES ${file}
- DESTINATION include/c++/v1/${dir}
+ DESTINATION ${LIBCXX_INSTALL_INCLUDE_DIR}/${dir}
COMPONENT cxx-headers
PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
)
endforeach()
# Install the generated __config_site.
- install(FILES ${LIBCXX_GENERATED_INCLUDE_DIR}/__config_site
- DESTINATION include/c++/v1
+ install(FILES ${LIBCXX_GENERATED_INCLUDE_TARGET_DIR}/__config_site
+ DESTINATION ${LIBCXX_INSTALL_INCLUDE_TARGET_DIR}
PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
COMPONENT cxx-headers)
diff --git a/libcxx/utils/libcxx/test/config.py b/libcxx/utils/libcxx/test/config.py
index c2939cfc2717b..1410ab2eebfe1 100644
--- a/libcxx/utils/libcxx/test/config.py
+++ b/libcxx/utils/libcxx/test/config.py
@@ -354,6 +354,12 @@ def configure_compile_flags_header_includes(self):
self.cxx.compile_flags += ['-nostdinc++']
if not os.path.isdir(cxx_headers):
self.lit_config.fatal("cxx_headers='{}' is not a directory.".format(cxx_headers))
+ (path, version) = os.path.split(cxx_headers)
+ (path, cxx) = os.path.split(path)
+ cxx_target_headers = os.path.join(
+ path, self.get_lit_conf('target_triple', None), cxx, version)
+ if os.path.isdir(cxx_target_headers):
+ self.cxx.compile_flags += ['-I' + cxx_target_headers]
self.cxx.compile_flags += ['-I' + cxx_headers]
if self.libcxx_obj_root is not None:
cxxabi_headers = os.path.join(self.libcxx_obj_root, 'include',
diff --git a/libcxxabi/test/libcxxabi/test/config.py b/libcxxabi/test/libcxxabi/test/config.py
index f8f9927c8c8e9..1c4d5be268e84 100644
--- a/libcxxabi/test/libcxxabi/test/config.py
+++ b/libcxxabi/test/libcxxabi/test/config.py
@@ -69,6 +69,12 @@ def configure_compile_flags_header_includes(self):
if not os.path.isdir(cxx_headers):
self.lit_config.fatal("cxx_headers='%s' is not a directory."
% cxx_headers)
+ (path, version) = os.path.split(cxx_headers)
+ (path, cxx) = os.path.split(path)
+ cxx_target_headers = os.path.join(
+ path, self.get_lit_conf('target_triple', None), cxx, version)
+ if os.path.isdir(cxx_target_headers):
+ self.cxx.compile_flags += ['-I' + cxx_target_headers]
self.cxx.compile_flags += ['-I' + cxx_headers]
libcxxabi_headers = self.get_lit_conf(
More information about the libcxx-commits
mailing list