mirror of
https://github.com/ziglang/zig.git
synced 2026-01-09 17:05:16 +00:00
added code for linking libc on mingw
This commit is contained in:
emekoi
parent
ecd2332bb5
commit
6cc443ee45
198
src/link.cpp
198
src/link.cpp
@ -1132,40 +1132,114 @@ static void add_uefi_link_args(LinkJob *lj) {
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lj->args.append("-SECTION:.xdata,D");
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}
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static void add_nt_link_args(LinkJob *lj, bool is_library) {
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static void add_msvc_link_args(LinkJob *lj, bool is_library) {
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CodeGen *g = lj->codegen;
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if (lj->link_in_crt) {
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// TODO: https://github.com/ziglang/zig/issues/2064
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bool is_dynamic = true; // g->is_dynamic;
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const char *lib_str = is_dynamic ? "" : "lib";
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const char *d_str = (g->build_mode == BuildModeDebug) ? "d" : "";
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// TODO: https://github.com/ziglang/zig/issues/2064
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bool is_dynamic = true; // g->is_dynamic;
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const char *lib_str = is_dynamic ? "" : "lib";
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const char *d_str = (g->build_mode == BuildModeDebug) ? "d" : "";
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if (!is_dynamic) {
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Buf *cmt_lib_name = buf_sprintf("libcmt%s.lib", d_str);
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lj->args.append(buf_ptr(cmt_lib_name));
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if (!is_dynamic) {
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Buf *cmt_lib_name = buf_sprintf("libcmt%s.lib", d_str);
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lj->args.append(buf_ptr(cmt_lib_name));
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} else {
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Buf *msvcrt_lib_name = buf_sprintf("msvcrt%s.lib", d_str);
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lj->args.append(buf_ptr(msvcrt_lib_name));
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}
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Buf *vcruntime_lib_name = buf_sprintf("%svcruntime%s.lib", lib_str, d_str);
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lj->args.append(buf_ptr(vcruntime_lib_name));
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Buf *crt_lib_name = buf_sprintf("%sucrt%s.lib", lib_str, d_str);
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lj->args.append(buf_ptr(crt_lib_name));
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//Visual C++ 2015 Conformance Changes
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//https://msdn.microsoft.com/en-us/library/bb531344.aspx
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lj->args.append("legacy_stdio_definitions.lib");
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// msvcrt depends on kernel32 and ntdll
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lj->args.append("kernel32.lib");
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lj->args.append("ntdll.lib");
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}
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static const char *get_libc_file(ZigLibCInstallation *lib, const char *file) {
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Buf *out_buf = buf_alloc();
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os_path_join(&lib->crt_dir, buf_create_from_str(file), out_buf);
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return buf_ptr(out_buf);
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}
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static const char *get_libc_static_file(ZigLibCInstallation *lib, const char *file) {
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Buf *static_crt_dir = buf_alloc();
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Buf *out_buf = buf_alloc();
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if (zig_libc_cc_print_file_name(file, static_crt_dir, true, true) != ErrorNone) {
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abort();
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}
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os_path_join(static_crt_dir, buf_create_from_str(file), out_buf);
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return buf_ptr(out_buf);
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}
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static void add_gnu_link_args(LinkJob *lj, bool is_library) {
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CodeGen *g = lj->codegen;
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bool is_dll = g->out_type == OutTypeLib && g->is_dynamic;
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if (g->zig_target->arch == ZigLLVM_x86) {
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lj->args.append("-ALTERNATENAME:__image_base__=___ImageBase");
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} else {
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lj->args.append("-ALTERNATENAME:__image_base__=__ImageBase");
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}
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if (is_dll) {
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lj->args.append(get_libc_file(g->libc, "dllcrt2.o"));
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} else {
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lj->args.append(get_libc_file(g->libc, "crt2.o"));
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}
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lj->args.append(get_libc_static_file(g->libc, "crtbegin.o"));
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if (g->libc_link_lib != nullptr) {
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lj->args.append("libmingw32.a");
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if (is_dll) {
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lj->args.append(get_libc_static_file(g->libc, "libgcc_s.a"));
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lj->args.append(get_libc_static_file(g->libc, "libgcc.a"));
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} else {
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Buf *msvcrt_lib_name = buf_sprintf("msvcrt%s.lib", d_str);
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lj->args.append(buf_ptr(msvcrt_lib_name));
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lj->args.append(get_libc_static_file(g->libc, "libgcc.a"));
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lj->args.append(get_libc_static_file(g->libc, "libgcc_eh.a"));
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}
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Buf *vcruntime_lib_name = buf_sprintf("%svcruntime%s.lib", lib_str, d_str);
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lj->args.append(buf_ptr(vcruntime_lib_name));
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lj->args.append(get_libc_static_file(g->libc, "libssp.a"));
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lj->args.append("libmoldname.a");
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lj->args.append("libmingwex.a");
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lj->args.append("libmsvcrt.a");
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Buf *crt_lib_name = buf_sprintf("%sucrt%s.lib", lib_str, d_str);
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lj->args.append(buf_ptr(crt_lib_name));
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if (g->subsystem == TargetSubsystemWindows) {
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lj->args.append("libgdi32.a");
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lj->args.append("libcomdlg32.a");
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}
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//Visual C++ 2015 Conformance Changes
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//https://msdn.microsoft.com/en-us/library/bb531344.aspx
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lj->args.append("legacy_stdio_definitions.lib");
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lj->args.append("libadvapi32.a");
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lj->args.append("libadvapi32.a");
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lj->args.append("libshell32.a");
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lj->args.append("libuser32.a");
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lj->args.append("libkernel32.a");
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// msvcrt depends on kernel32 and ntdll
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lj->args.append("kernel32.lib");
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lj->args.append("ntdll.lib");
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lj->args.append(get_libc_static_file(g->libc, "crtend.o"));
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}
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}
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static void add_win_link_args(LinkJob *lj, bool is_library) {
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if (lj->link_in_crt) {
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if (target_abi_is_gnu(lj->codegen->zig_target->abi)) {
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add_gnu_link_args(lj, is_library);
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} else {
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add_msvc_link_args(lj, is_library);
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}
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} else {
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lj->args.append("-NODEFAULTLIB");
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if (!is_library) {
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if (g->have_winmain) {
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if (lj->codegen->have_winmain) {
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lj->args.append("-ENTRY:WinMain");
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} else {
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lj->args.append("-ENTRY:WinMainCRTStartup");
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@ -1194,17 +1268,46 @@ static void construct_linker_job_coff(LinkJob *lj) {
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coff_append_machine_arg(g, &lj->args);
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bool is_library = g->out_type == OutTypeLib;
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if (is_library && g->is_dynamic) {
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lj->args.append("-DLL");
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}
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lj->args.append(buf_ptr(buf_sprintf("-OUT:%s", buf_ptr(&g->output_file_path))));
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if (g->libc_link_lib != nullptr) {
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assert(g->libc != nullptr);
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lj->args.append(buf_ptr(buf_sprintf("-LIBPATH:%s", buf_ptr(&g->libc->crt_dir))));
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if (target_abi_is_gnu(g->zig_target->abi)) {
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lj->args.append(buf_ptr(buf_sprintf("-LIBPATH:%s", buf_ptr(&g->libc->sys_include_dir))));
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lj->args.append(buf_ptr(buf_sprintf("-LIBPATH:%s", buf_ptr(&g->libc->include_dir))));
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} else {
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lj->args.append(buf_ptr(buf_sprintf("-LIBPATH:%s", buf_ptr(&g->libc->msvc_lib_dir))));
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lj->args.append(buf_ptr(buf_sprintf("-LIBPATH:%s", buf_ptr(&g->libc->kernel32_lib_dir))));
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}
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}
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for (size_t i = 0; i < g->lib_dirs.length; i += 1) {
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const char *lib_dir = g->lib_dirs.at(i);
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lj->args.append(buf_ptr(buf_sprintf("-LIBPATH:%s", lib_dir)));
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}
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for (size_t i = 0; i < g->link_objects.length; i += 1) {
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lj->args.append((const char *)buf_ptr(g->link_objects.at(i)));
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}
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switch (g->subsystem) {
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case TargetSubsystemAuto:
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if (g->zig_target->os == OsUefi) {
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add_uefi_link_args(lj);
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} else {
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add_nt_link_args(lj, is_library);
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add_win_link_args(lj, is_library);
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}
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break;
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case TargetSubsystemConsole:
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lj->args.append("-SUBSYSTEM:console");
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add_nt_link_args(lj, is_library);
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add_win_link_args(lj, is_library);
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break;
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case TargetSubsystemEfiApplication:
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lj->args.append("-SUBSYSTEM:efi_application");
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@ -1224,41 +1327,18 @@ static void construct_linker_job_coff(LinkJob *lj) {
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break;
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case TargetSubsystemNative:
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lj->args.append("-SUBSYSTEM:native");
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add_nt_link_args(lj, is_library);
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add_win_link_args(lj, is_library);
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break;
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case TargetSubsystemPosix:
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lj->args.append("-SUBSYSTEM:posix");
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add_nt_link_args(lj, is_library);
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add_win_link_args(lj, is_library);
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break;
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case TargetSubsystemWindows:
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lj->args.append("-SUBSYSTEM:windows");
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add_nt_link_args(lj, is_library);
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add_win_link_args(lj, is_library);
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break;
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}
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lj->args.append(buf_ptr(buf_sprintf("-OUT:%s", buf_ptr(&g->output_file_path))));
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if (g->libc_link_lib != nullptr) {
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assert(g->libc != nullptr);
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lj->args.append(buf_ptr(buf_sprintf("-LIBPATH:%s", buf_ptr(&g->libc->msvc_lib_dir))));
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lj->args.append(buf_ptr(buf_sprintf("-LIBPATH:%s", buf_ptr(&g->libc->kernel32_lib_dir))));
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lj->args.append(buf_ptr(buf_sprintf("-LIBPATH:%s", buf_ptr(&g->libc->crt_dir))));
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}
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if (is_library && g->is_dynamic) {
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lj->args.append("-DLL");
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}
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for (size_t i = 0; i < g->lib_dirs.length; i += 1) {
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const char *lib_dir = g->lib_dirs.at(i);
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lj->args.append(buf_ptr(buf_sprintf("-LIBPATH:%s", lib_dir)));
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}
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for (size_t i = 0; i < g->link_objects.length; i += 1) {
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lj->args.append((const char *)buf_ptr(g->link_objects.at(i)));
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}
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if (g->out_type == OutTypeExe || (g->out_type == OutTypeLib && g->is_dynamic)) {
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if (g->libc_link_lib == nullptr && !g->is_dummy_so) {
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Buf *builtin_a_path = build_a(g, "builtin");
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@ -1278,11 +1358,19 @@ static void construct_linker_job_coff(LinkJob *lj) {
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continue;
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}
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if (link_lib->provided_explicitly) {
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if (lj->codegen->zig_target->abi == ZigLLVM_GNU) {
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Buf *arg = buf_sprintf("-l%s", buf_ptr(link_lib->name));
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lj->args.append(buf_ptr(arg));
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}
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else {
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if (target_abi_is_gnu(lj->codegen->zig_target->abi)) {
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static const char *test_names[3] = { "lib%s.dll.a", "lib%s.a", nullptr };
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for (size_t i = 0; test_names[i] != nullptr; i++) {
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Buf *test_path = buf_sprintf(test_names[i], buf_ptr(link_lib->name));
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bool exists = false;
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if (os_file_exists(test_path, &exists) != ErrorNone) {
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zig_panic("link: unable to check if file exists: %s", buf_ptr(test_path));
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} else if (exists) {
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lj->args.append(buf_ptr(test_path));
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}
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}
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} else {
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lj->args.append(buf_ptr(link_lib->name));
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}
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} else {
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