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authorAndrew Kelley <andrew@ziglang.org>2021-05-24 13:58:02 -0400
committerGitHub <noreply@github.com>2021-05-24 13:58:02 -0400
commit8c5d4295e5f6459ba99d219c1922a30ec6da24bf (patch)
tree7ce5d2a943c9cec38f508c0f34dfcb2e5e7d8e37 /src/libcxx.zig
parent8275c771c8f525b7f2917d1f4ade9b5e684d0a12 (diff)
parenta6e65f3a0ea4f8315be50f91338e4526b006f9d8 (diff)
downloadzig-8c5d4295e5f6459ba99d219c1922a30ec6da24bf.tar.gz
zig-8c5d4295e5f6459ba99d219c1922a30ec6da24bf.zip
Merge pull request #8876 from xxxbxxx/cxx-lto
build libc++ with lto and function-sections
Diffstat (limited to 'src/libcxx.zig')
-rw-r--r--src/libcxx.zig9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/libcxx.zig b/src/libcxx.zig
index e235403d40..4816637e2d 100644
--- a/src/libcxx.zig
+++ b/src/libcxx.zig
@@ -129,6 +129,8 @@ pub fn buildLibCXX(comp: *Compilation) !void {
try cflags.append("-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS");
try cflags.append("-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS");
try cflags.append("-D_LIBCPP_HAS_NO_VENDOR_AVAILABILITY_ANNOTATIONS");
+ try cflags.append("-fvisibility=hidden");
+ try cflags.append("-fvisibility-inlines-hidden");
if (target.abi.isMusl()) {
try cflags.append("-D_LIBCPP_HAS_MUSL_LIBC");
@@ -144,7 +146,6 @@ pub fn buildLibCXX(comp: *Compilation) !void {
try cflags.append("-fPIC");
}
try cflags.append("-nostdinc++");
- try cflags.append("-fvisibility-inlines-hidden");
try cflags.append("-std=c++14");
try cflags.append("-Wno-user-defined-literals");
@@ -174,6 +175,8 @@ pub fn buildLibCXX(comp: *Compilation) !void {
.want_tsan = comp.bin_file.options.tsan,
.want_pic = comp.bin_file.options.pic,
.want_pie = comp.bin_file.options.pie,
+ .want_lto = comp.bin_file.options.lto,
+ .function_sections = comp.bin_file.options.function_sections,
.emit_h = null,
.strip = comp.compilerRtStrip(),
.is_native_os = comp.bin_file.options.is_native_os,
@@ -247,6 +250,8 @@ pub fn buildLibCXXABI(comp: *Compilation) !void {
try cflags.append("-D_LIBCXXABI_BUILDING_LIBRARY");
try cflags.append("-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS");
try cflags.append("-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS");
+ try cflags.append("-fvisibility=hidden");
+ try cflags.append("-fvisibility-inlines-hidden");
if (target.abi.isMusl()) {
try cflags.append("-D_LIBCPP_HAS_MUSL_LIBC");
@@ -292,6 +297,8 @@ pub fn buildLibCXXABI(comp: *Compilation) !void {
.want_tsan = comp.bin_file.options.tsan,
.want_pic = comp.bin_file.options.pic,
.want_pie = comp.bin_file.options.pie,
+ .want_lto = comp.bin_file.options.lto,
+ .function_sections = comp.bin_file.options.function_sections,
.emit_h = null,
.strip = comp.compilerRtStrip(),
.is_native_os = comp.bin_file.options.is_native_os,