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-rw-r--r--src/link.cpp164
1 files changed, 160 insertions, 4 deletions
diff --git a/src/link.cpp b/src/link.cpp
index 25b913be21..d9b784129d 100644
--- a/src/link.cpp
+++ b/src/link.cpp
@@ -14,6 +14,8 @@
#include "glibc.hpp"
static const char *msvcrt_common_src[] = {
+ "misc" OS_SEP "_create_locale.c",
+ "misc" OS_SEP "_free_locale.c",
"misc" OS_SEP "onexit_table.c",
"misc" OS_SEP "register_tls_atexit.c",
"stdio" OS_SEP "acrt_iob_func.c",
@@ -632,12 +634,17 @@ static const char *build_libunwind(CodeGen *parent, Stage2ProgressNode *progress
}
c_file->args.append("-I");
c_file->args.append(path_from_libunwind(parent, "include"));
- c_file->args.append("-fPIC");
+ if (target_supports_fpic(parent->zig_target)) {
+ c_file->args.append("-fPIC");
+ }
c_file->args.append("-D_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS");
c_file->args.append("-Wa,--noexecstack");
- if (parent->zig_target->is_native_os && parent->zig_target->is_native_cpu) {
- c_file->args.append("-D_LIBUNWIND_IS_NATIVE_ONLY");
- }
+
+ // This is intentionally always defined because the macro definition means, should it only
+ // build for the target specified by compiler defines. Since we pass -target the compiler
+ // defines will be correct.
+ c_file->args.append("-D_LIBUNWIND_IS_NATIVE_ONLY");
+
if (parent->build_mode == BuildModeDebug) {
c_file->args.append("-D_DEBUG");
}
@@ -1107,6 +1114,128 @@ static const char *build_musl(CodeGen *parent, Stage2ProgressNode *progress_node
return buf_ptr(&child_gen->bin_file_output_path);
}
+static const char *build_libcxxabi(CodeGen *parent, Stage2ProgressNode *progress_node) {
+ CodeGen *child_gen = create_child_codegen(parent, nullptr, OutTypeLib, nullptr, "c++abi", progress_node);
+ codegen_add_link_lib(child_gen, buf_create_from_str("c"));
+
+ ZigList<CFile *> c_source_files = {0};
+
+ const char *cxxabi_include_path = buf_ptr(buf_sprintf("%s" OS_SEP "libcxxabi" OS_SEP "include",
+ buf_ptr(parent->zig_lib_dir)));
+ const char *cxx_include_path = buf_ptr(buf_sprintf("%s" OS_SEP "libcxx" OS_SEP "include",
+ buf_ptr(parent->zig_lib_dir)));
+
+ for (size_t i = 0; i < array_length(ZIG_LIBCXXABI_FILES); i += 1) {
+ const char *rel_src_path = ZIG_LIBCXXABI_FILES[i];
+
+ CFile *c_file = heap::c_allocator.create<CFile>();
+ c_file->source_path = buf_ptr(buf_sprintf("%s" OS_SEP "libcxxabi" OS_SEP "%s",
+ buf_ptr(parent->zig_lib_dir), rel_src_path));
+
+ c_file->args.append("-DHAVE___CXA_THREAD_ATEXIT_IMPL");
+ c_file->args.append("-D_LIBCPP_DISABLE_EXTERN_TEMPLATE");
+ c_file->args.append("-D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS");
+ c_file->args.append("-D_LIBCXXABI_BUILDING_LIBRARY");
+ c_file->args.append("-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS");
+ c_file->args.append("-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS");
+
+ if (target_abi_is_musl(parent->zig_target->abi)) {
+ c_file->args.append("-D_LIBCPP_HAS_MUSL_LIBC");
+ }
+
+ c_file->args.append("-I");
+ c_file->args.append(cxxabi_include_path);
+
+ c_file->args.append("-I");
+ c_file->args.append(cxx_include_path);
+
+ c_file->args.append("-O3");
+ c_file->args.append("-DNDEBUG");
+ if (target_supports_fpic(parent->zig_target)) {
+ c_file->args.append("-fPIC");
+ }
+ c_file->args.append("-nostdinc++");
+ c_file->args.append("-fstrict-aliasing");
+ c_file->args.append("-funwind-tables");
+ c_file->args.append("-D_DEBUG");
+ c_file->args.append("-UNDEBUG");
+ c_file->args.append("-std=c++11");
+
+ c_source_files.append(c_file);
+ }
+
+
+ child_gen->c_source_files = c_source_files;
+ codegen_build_and_link(child_gen);
+ return buf_ptr(&child_gen->bin_file_output_path);
+}
+
+static const char *build_libcxx(CodeGen *parent, Stage2ProgressNode *progress_node) {
+ CodeGen *child_gen = create_child_codegen(parent, nullptr, OutTypeLib, nullptr, "c++", progress_node);
+ codegen_add_link_lib(child_gen, buf_create_from_str("c"));
+
+ ZigList<CFile *> c_source_files = {0};
+
+ const char *cxxabi_include_path = buf_ptr(buf_sprintf("%s" OS_SEP "libcxxabi" OS_SEP "include",
+ buf_ptr(parent->zig_lib_dir)));
+ const char *cxx_include_path = buf_ptr(buf_sprintf("%s" OS_SEP "libcxx" OS_SEP "include",
+ buf_ptr(parent->zig_lib_dir)));
+
+ for (size_t i = 0; i < array_length(ZIG_LIBCXX_FILES); i += 1) {
+ const char *rel_src_path = ZIG_LIBCXX_FILES[i];
+
+ Buf *src_path_buf = buf_create_from_str(rel_src_path);
+ if (parent->zig_target->os == OsWindows) {
+ // filesystem stuff isn't supported on Windows
+ if (buf_starts_with_str(src_path_buf, "src/filesystem/")) {
+ continue;
+ }
+ } else {
+ if (buf_starts_with_str(src_path_buf, "src/support/win32/")) {
+ continue;
+ }
+ }
+
+ CFile *c_file = heap::c_allocator.create<CFile>();
+ c_file->source_path = buf_ptr(buf_sprintf("%s" OS_SEP "libcxx" OS_SEP "%s",
+ buf_ptr(parent->zig_lib_dir), rel_src_path));
+
+ c_file->args.append("-DNDEBUG");
+ c_file->args.append("-D_LIBCPP_BUILDING_LIBRARY");
+ c_file->args.append("-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER");
+ c_file->args.append("-DLIBCXX_BUILDING_LIBCXXABI");
+ c_file->args.append("-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS");
+ c_file->args.append("-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS");
+
+ if (target_abi_is_musl(parent->zig_target->abi)) {
+ c_file->args.append("-D_LIBCPP_HAS_MUSL_LIBC");
+ }
+
+ c_file->args.append("-I");
+ c_file->args.append(cxx_include_path);
+
+ c_file->args.append("-I");
+ c_file->args.append(cxxabi_include_path);
+
+ c_file->args.append("-O3");
+ c_file->args.append("-DNDEBUG");
+ if (target_supports_fpic(parent->zig_target)) {
+ c_file->args.append("-fPIC");
+ }
+ c_file->args.append("-nostdinc++");
+ c_file->args.append("-fvisibility-inlines-hidden");
+ c_file->args.append("-std=c++14");
+ c_file->args.append("-Wno-user-defined-literals");
+
+ c_source_files.append(c_file);
+ }
+
+
+ child_gen->c_source_files = c_source_files;
+ codegen_build_and_link(child_gen);
+ return buf_ptr(&child_gen->bin_file_output_path);
+}
+
static void add_msvcrt_os_dep(CodeGen *parent, CodeGen *child_gen, const char *src_path) {
CFile *c_file = heap::c_allocator.create<CFile>();
c_file->source_path = buf_ptr(buf_sprintf("%s" OS_SEP "libc" OS_SEP "mingw" OS_SEP "%s",
@@ -1770,6 +1899,10 @@ static void construct_linker_job_elf(LinkJob *lj) {
// libc is linked specially
continue;
}
+ if (buf_eql_str(link_lib->name, "c++") || buf_eql_str(link_lib->name, "c++abi")) {
+ // libc++ is linked specially
+ continue;
+ }
if (g->libc == nullptr && target_is_libc_lib_name(g->zig_target, buf_ptr(link_lib->name))) {
// these libraries are always linked below when targeting glibc
continue;
@@ -1785,6 +1918,11 @@ static void construct_linker_job_elf(LinkJob *lj) {
lj->args.append(buf_ptr(arg));
}
+ // libc++ dep
+ if (g->libcpp_link_lib != nullptr && g->out_type != OutTypeObj) {
+ lj->args.append(build_libcxxabi(g, lj->build_dep_prog_node));
+ lj->args.append(build_libcxx(g, lj->build_dep_prog_node));
+ }
// libc dep
if (g->libc_link_lib != nullptr && g->out_type != OutTypeObj) {
@@ -1815,6 +1953,8 @@ static void construct_linker_job_elf(LinkJob *lj) {
lj->args.append(build_libunwind(g, lj->build_dep_prog_node));
}
lj->args.append(build_musl(g, lj->build_dep_prog_node));
+ } else if (g->libcpp_link_lib != nullptr) {
+ lj->args.append(build_libunwind(g, lj->build_dep_prog_node));
} else {
zig_unreachable();
}
@@ -2303,6 +2443,13 @@ static void construct_linker_job_coff(LinkJob *lj) {
break;
}
+ // libc++ dep
+ if (g->libcpp_link_lib != nullptr && g->out_type != OutTypeObj) {
+ lj->args.append(build_libcxxabi(g, lj->build_dep_prog_node));
+ lj->args.append(build_libcxx(g, lj->build_dep_prog_node));
+ lj->args.append(build_libunwind(g, lj->build_dep_prog_node));
+ }
+
if (g->out_type == OutTypeExe || (g->out_type == OutTypeLib && g->is_dynamic)) {
if (g->libc_link_lib == nullptr && !g->is_dummy_so) {
Buf *libc_a_path = build_c(g, OutTypeLib, lj->build_dep_prog_node);
@@ -2319,6 +2466,9 @@ static void construct_linker_job_coff(LinkJob *lj) {
if (buf_eql_str(link_lib->name, "c")) {
continue;
}
+ if (buf_eql_str(link_lib->name, "c++") || buf_eql_str(link_lib->name, "c++abi")) {
+ continue;
+ }
bool is_sys_lib = is_mingw_link_lib(link_lib->name);
if (have_windows_dll_import_libs && is_sys_lib) {
continue;
@@ -2454,6 +2604,12 @@ static void construct_linker_job_macho(LinkJob *lj) {
lj->args.append((const char *)buf_ptr(g->link_objects.at(i)));
}
+ // libc++ dep
+ if (g->libcpp_link_lib != nullptr && g->out_type != OutTypeObj) {
+ lj->args.append(build_libcxxabi(g, lj->build_dep_prog_node));
+ lj->args.append(build_libcxx(g, lj->build_dep_prog_node));
+ }
+
// compiler_rt on darwin is missing some stuff, so we still build it and rely on LinkOnce
if (g->out_type == OutTypeExe || is_dyn_lib) {
Buf *compiler_rt_o_path = build_compiler_rt(g, OutTypeLib, lj->build_dep_prog_node);
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-28 01:48:25 +0000