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authorBoris Kolpackov <boris@codesynthesis.com>2024-05-13 13:38:11 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2024-05-13 13:38:11 +0200
commite12b3766726e6b9f8f204504c52faffa551d2375 (patch)
treef6637713b3d73b17fee3809d2ed71841b40f9a5c /libbuild2
parentd016d59957a74d42be81336e96b8b96d5bc0b3a1 (diff)
Update std.cppm to Clang 18, add std.compat.cppm
Note that Clang 17 is not longer supported with regards to standard library modules.
Diffstat (limited to 'libbuild2')
-rw-r--r--libbuild2/cc/buildfile6
-rw-r--r--libbuild2/cc/compile-rule.cxx31
-rw-r--r--libbuild2/cc/std.compat.cppm996
-rw-r--r--libbuild2/cc/std.cppm134
4 files changed, 1087 insertions, 80 deletions
diff --git a/libbuild2/cc/buildfile b/libbuild2/cc/buildfile
index 654d0a4..05e4c8c 100644
--- a/libbuild2/cc/buildfile
+++ b/libbuild2/cc/buildfile
@@ -25,14 +25,14 @@ libul{build2-cc}: cxx{pkgconfig-libpkg-config}: include = (!$libpkgconf)
libul{build2-cc}: $intf_libs $impl_libs
-# libc++ std module interface translation unit.
+# libc++ std module interface translation units.
#
# Hopefully temporary, see llvm-project GH issues #73089.
#
# @@ TMP: make sure sync'ed with upstream before release (keep this note).
#
-lib{build2-cc}: file{std.cppm}
-file{std.cppm}@./: install = data/libbuild2/cc/
+lib{build2-cc}: file{std.cppm std.compat.cppm}
+file{std.cppm}@./ file{std.compat.cppm}@./: install = data/libbuild2/cc/
# Unit tests.
#
diff --git a/libbuild2/cc/compile-rule.cxx b/libbuild2/cc/compile-rule.cxx
index 2e4775e..1548395 100644
--- a/libbuild2/cc/compile-rule.cxx
+++ b/libbuild2/cc/compile-rule.cxx
@@ -6157,7 +6157,7 @@ namespace build2
//
if ((ctype == compiler_type::msvc) ||
(ctype == compiler_type::clang &&
- cmaj >= 17 &&
+ cmaj >= 18 &&
cast<string> (rs[x_stdlib]) == "libc++"))
{
// Similar logic to check_exact() above.
@@ -6177,10 +6177,7 @@ namespace build2
{
case compiler_type::clang:
{
- if (m.name != "std")
- fail << "module " << m.name << " not yet provided by libc++";
-
- // Find or insert std.cppm (similar code to pkgconfig.cxx).
+ // Find or insert std*.cppm (similar code to pkgconfig.cxx).
//
// Note: build_install_data is absolute and normalized.
//
@@ -6188,7 +6185,7 @@ namespace build2
*x_mod,
(dir_path (build_install_data) /= "libbuild2") /= "cc",
dir_path (),
- "std",
+ m.name,
string ("cppm"), // For C++14 during bootstrap.
target_decl::implied,
trace).first;
@@ -6199,18 +6196,18 @@ namespace build2
// type. And we could do that by looking for -static-libstdc++
// in loption (and no, it's not -static-libc++).
//
- // But, looking at the object file produced from std.cppm, it
- // only contains one symbol, the static object initializer.
- // And this is unlikely to change since all other non-inline
- // or template symbols should be in libc++. So feels like it's
- // not worth the trouble and one variant should be good enough
- // for both cases. Let's use the shared one for less
- // surprising diagnostics (as in, "why are you linking obje{}
- // to a shared library?")
+ // But, looking at the object file produced from std*.cppm,
+ // they only contain one symbol, the static object
+ // initializer. And this is unlikely to change since all
+ // other non-inline or template symbols should be in
+ // libc++. So feels like it's not worth the trouble and one
+ // variant should be good enough for both cases. Let's use the
+ // shared one for less surprising diagnostics (as in, "why are
+ // you linking obje{} to a shared library?")
//
- // (Of course, theoretically, std.cppm could detect via a
- // macro whether it's being compiled with -fPIC or not and do
- // things differently, but this seems far-fetched).
+ // (Of course, theoretically, std*.cppm could detect via a
+ // macro whether they are being compiled with -fPIC or not and
+ // do things differently, but this seems far-fetched).
//
ot = otype::s;
diff --git a/libbuild2/cc/std.compat.cppm b/libbuild2/cc/std.compat.cppm
new file mode 100644
index 0000000..2668b30
--- /dev/null
+++ b/libbuild2/cc/std.compat.cppm
@@ -0,0 +1,996 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// WARNING, this entire header is generated by
+// utils/generate_libcxx_cppm_in.py
+// DO NOT MODIFY!
+
+module;
+
+#include <__config>
+
+#if _LIBCPP_VERSION < 180000
+#error libc++ version 18.0.0 or later required
+#endif
+
+// The headers of Table 24: C++ library headers [tab:headers.cpp]
+// and the headers of Table 25: C++ headers for C library facilities [tab:headers.cpp.c]
+#include <cassert>
+#include <cctype>
+#include <cerrno>
+#include <cfenv>
+#include <cfloat>
+#include <cinttypes>
+#include <climits>
+#if !defined(_LIBCPP_HAS_NO_LOCALIZATION)
+# include <clocale>
+#endif
+#include <cmath>
+#include <csetjmp>
+#include <csignal>
+#include <cstdarg>
+#include <cstddef>
+#include <cstdint>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <ctime>
+#include <cuchar>
+#if !defined(_LIBCPP_HAS_NO_WIDE_CHARACTERS)
+# include <cwchar>
+#endif
+#if !defined(_LIBCPP_HAS_NO_WIDE_CHARACTERS)
+# include <cwctype>
+#endif
+
+#if 0
+// *** Headers not yet available ***
+#if __has_include(<debugging>)
+# error "please update the header information for <debugging> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<debugging>)
+#if __has_include(<flat_map>)
+# error "please update the header information for <flat_map> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<flat_map>)
+#if __has_include(<flat_set>)
+# error "please update the header information for <flat_set> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<flat_set>)
+#if __has_include(<generator>)
+# error "please update the header information for <generator> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<generator>)
+#if __has_include(<hazard_pointer>)
+# error "please update the header information for <hazard_pointer> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<hazard_pointer>)
+#if __has_include(<linalg>)
+# error "please update the header information for <linalg> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<linalg>)
+#if __has_include(<rcu>)
+# error "please update the header information for <rcu> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<rcu>)
+#if __has_include(<spanstream>)
+# error "please update the header information for <spanstream> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<spanstream>)
+#if __has_include(<stacktrace>)
+# error "please update the header information for <stacktrace> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<stacktrace>)
+#if __has_include(<stdfloat>)
+# error "please update the header information for <stdfloat> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<stdfloat>)
+#if __has_include(<text_encoding>)
+# error "please update the header information for <text_encoding> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<text_encoding>)
+#endif
+
+export module std.compat;
+export import std;
+
+// cassert.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ // This module exports nothing.
+} // export
+
+// cctype.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ using ::isalnum;
+ using ::isalpha;
+ using ::isblank;
+ using ::iscntrl;
+ using ::isdigit;
+ using ::isgraph;
+ using ::islower;
+ using ::isprint;
+ using ::ispunct;
+ using ::isspace;
+ using ::isupper;
+ using ::isxdigit;
+ using ::tolower;
+ using ::toupper;
+} // export
+
+// cerrno.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ // This module exports nothing.
+} // export
+
+// cfenv.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ // types
+ using ::fenv_t;
+ using ::fexcept_t;
+
+ // functions
+ using ::feclearexcept;
+ using ::fegetexceptflag;
+ using ::feraiseexcept;
+ using ::fesetexceptflag;
+ using ::fetestexcept;
+
+ using ::fegetround;
+ using ::fesetround;
+
+ using ::fegetenv;
+ using ::feholdexcept;
+ using ::fesetenv;
+ using ::feupdateenv;
+} // export
+
+// cfloat.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ // This module exports nothing.
+} // export
+
+// cinttypes.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ using ::imaxdiv_t;
+
+ using ::imaxabs;
+ using ::imaxdiv;
+ using ::strtoimax;
+ using ::strtoumax;
+ using ::wcstoimax;
+ using ::wcstoumax;
+
+ // abs is conditionally here, but always present in cmath.cppm. To avoid
+ // conflicing declarations omit the using here.
+
+ // div is conditionally here, but always present in cstdlib.cppm. To avoid
+ // conflicing declarations omit the using here.
+} // export
+
+// climits.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ // This module exports nothing.
+} // export
+
+// clocale.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+#ifndef _LIBCPP_HAS_NO_LOCALIZATION
+ using ::lconv;
+
+ using ::localeconv;
+ using ::setlocale;
+#endif // _LIBCPP_HAS_NO_LOCALIZATION
+} // export
+
+// cmath.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ using ::double_t;
+ using ::float_t;
+
+ using ::acos;
+ using ::acosf;
+ using ::acosl;
+
+ using ::asin;
+ using ::asinf;
+ using ::asinl;
+
+ using ::atan;
+ using ::atanf;
+ using ::atanl;
+
+ using ::atan2;
+ using ::atan2f;
+ using ::atan2l;
+
+ using ::cos;
+ using ::cosf;
+ using ::cosl;
+
+ using ::sin;
+ using ::sinf;
+ using ::sinl;
+
+ using ::tan;
+ using ::tanf;
+ using ::tanl;
+
+ using ::acosh;
+ using ::acoshf;
+ using ::acoshl;
+
+ using ::asinh;
+ using ::asinhf;
+ using ::asinhl;
+
+ using ::atanh;
+ using ::atanhf;
+ using ::atanhl;
+
+ using ::cosh;
+ using ::coshf;
+ using ::coshl;
+
+ using ::sinh;
+ using ::sinhf;
+ using ::sinhl;
+
+ using ::tanh;
+ using ::tanhf;
+ using ::tanhl;
+
+ using ::exp;
+ using ::expf;
+ using ::expl;
+
+ using ::exp2;
+ using ::exp2f;
+ using ::exp2l;
+
+ using ::expm1;
+ using ::expm1f;
+ using ::expm1l;
+
+ using ::frexp;
+ using ::frexpf;
+ using ::frexpl;
+
+ using ::ilogb;
+ using ::ilogbf;
+ using ::ilogbl;
+
+ using ::ldexp;
+ using ::ldexpf;
+ using ::ldexpl;
+
+ using ::log;
+ using ::logf;
+ using ::logl;
+
+ using ::log10;
+ using ::log10f;
+ using ::log10l;
+
+ using ::log1p;
+ using ::log1pf;
+ using ::log1pl;
+
+ using ::log2;
+ using ::log2f;
+ using ::log2l;
+
+ using ::logb;
+ using ::logbf;
+ using ::logbl;
+
+ using ::modf;
+ using ::modff;
+ using ::modfl;
+
+ using ::scalbn;
+ using ::scalbnf;
+ using ::scalbnl;
+
+ using ::scalbln;
+ using ::scalblnf;
+ using ::scalblnl;
+
+ using ::cbrt;
+ using ::cbrtf;
+ using ::cbrtl;
+
+ // [c.math.abs], absolute values
+ using ::abs;
+
+ using ::fabs;
+ using ::fabsf;
+ using ::fabsl;
+
+ using ::hypot;
+ using ::hypotf;
+ using ::hypotl;
+
+ // [c.math.hypot3], three-dimensional hypotenuse
+
+ using ::pow;
+ using ::powf;
+ using ::powl;
+
+ using ::sqrt;
+ using ::sqrtf;
+ using ::sqrtl;
+
+ using ::erf;
+ using ::erff;
+ using ::erfl;
+
+ using ::erfc;
+ using ::erfcf;
+ using ::erfcl;
+
+ using ::lgamma;
+ using ::lgammaf;
+ using ::lgammal;
+
+ using ::tgamma;
+ using ::tgammaf;
+ using ::tgammal;
+
+ using ::ceil;
+ using ::ceilf;
+ using ::ceill;
+
+ using ::floor;
+ using ::floorf;
+ using ::floorl;
+
+ using ::nearbyint;
+ using ::nearbyintf;
+ using ::nearbyintl;
+
+ using ::rint;
+ using ::rintf;
+ using ::rintl;
+
+ using ::lrint;
+ using ::lrintf;
+ using ::lrintl;
+
+ using ::llrint;
+ using ::llrintf;
+ using ::llrintl;
+
+ using ::round;
+ using ::roundf;
+ using ::roundl;
+
+ using ::lround;
+ using ::lroundf;
+ using ::lroundl;
+
+ using ::llround;
+ using ::llroundf;
+ using ::llroundl;
+
+ using ::trunc;
+ using ::truncf;
+ using ::truncl;
+
+ using ::fmod;
+ using ::fmodf;
+ using ::fmodl;
+
+ using ::remainder;
+ using ::remainderf;
+ using ::remainderl;
+
+ using ::remquo;
+ using ::remquof;
+ using ::remquol;
+
+ using ::copysign;
+ using ::copysignf;
+ using ::copysignl;
+
+ using ::nan;
+ using ::nanf;
+ using ::nanl;
+
+ using ::nextafter;
+ using ::nextafterf;
+ using ::nextafterl;
+
+ using ::nexttoward;
+ using ::nexttowardf;
+ using ::nexttowardl;
+
+ using ::fdim;
+ using ::fdimf;
+ using ::fdiml;
+
+ using ::fmax;
+ using ::fmaxf;
+ using ::fmaxl;
+
+ using ::fmin;
+ using ::fminf;
+ using ::fminl;
+
+ using ::fma;
+ using ::fmaf;
+ using ::fmal;
+
+ // [c.math.lerp], linear interpolation
+ // [support.c.headers.other]/1
+ // ... placed within the global namespace scope, except for the functions
+ // described in [sf.cmath], the std::lerp function overloads ([c.math.lerp])
+ // ...
+
+ // [c.math.fpclass], classification / comparison functions
+ using ::fpclassify;
+ using ::isfinite;
+ using ::isgreater;
+ using ::isgreaterequal;
+ using ::isinf;
+ using ::isless;
+ using ::islessequal;
+ using ::islessgreater;
+ using ::isnan;
+ using ::isnormal;
+ using ::isunordered;
+ using ::signbit;
+
+ // [sf.cmath], mathematical special functions
+} // export
+
+// csetjmp.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ using ::jmp_buf;
+ using ::longjmp;
+} // export
+
+// csignal.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ using ::sig_atomic_t;
+
+ // [support.signal], signal handlers
+ using ::signal;
+
+ using ::raise;
+} // export
+
+// cstdarg.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export { using ::va_list; } // export
+
+// cstddef.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ using ::max_align_t;
+ using ::nullptr_t;
+ using ::ptrdiff_t;
+ using ::size_t;
+
+ // [support.c.headers]/1
+ // ... placed within the global namespace scope, except for ... the
+ // declaration of std::byte ([cstddef.syn]), and the functions and
+ // function templates described in [support.types.byteops]. ...
+
+ // [support.types.byteops], byte type operations
+} // export
+
+// cstdint.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ // signed
+ using ::int8_t _LIBCPP_USING_IF_EXISTS;
+ using ::int16_t _LIBCPP_USING_IF_EXISTS;
+ using ::int32_t _LIBCPP_USING_IF_EXISTS;
+ using ::int64_t _LIBCPP_USING_IF_EXISTS;
+
+ using ::int_fast16_t;
+ using ::int_fast32_t;
+ using ::int_fast64_t;
+ using ::int_fast8_t;
+
+ using ::int_least16_t;
+ using ::int_least32_t;
+ using ::int_least64_t;
+ using ::int_least8_t;
+
+ using ::intmax_t;
+
+ using ::intptr_t _LIBCPP_USING_IF_EXISTS;
+
+ // unsigned
+ using ::uint8_t _LIBCPP_USING_IF_EXISTS;
+ using ::uint16_t _LIBCPP_USING_IF_EXISTS;
+ using ::uint32_t _LIBCPP_USING_IF_EXISTS;
+ using ::uint64_t _LIBCPP_USING_IF_EXISTS;
+
+ using ::uint_fast16_t;
+ using ::uint_fast32_t;
+ using ::uint_fast64_t;
+ using ::uint_fast8_t;
+
+ using ::uint_least16_t;
+ using ::uint_least32_t;
+ using ::uint_least64_t;
+ using ::uint_least8_t;
+
+ using ::uintmax_t;
+
+ using ::uintptr_t _LIBCPP_USING_IF_EXISTS;
+} // export
+
+// cstdio.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ using ::FILE;
+ using ::fpos_t;
+ using ::size_t;
+
+ using ::clearerr;
+ using ::fclose;
+ using ::feof;
+ using ::ferror;
+ using ::fflush;
+ using ::fgetc;
+ using ::fgetpos;
+ using ::fgets;
+ using ::fopen;
+ using ::fprintf;
+ using ::fputc;
+ using ::fputs;
+ using ::fread;
+ using ::freopen;
+ using ::fscanf;
+ using ::fseek;
+ using ::fsetpos;
+ using ::ftell;
+ using ::fwrite;
+ using ::getc;
+ using ::getchar;
+ using ::perror;
+ using ::printf;
+ using ::putc;
+ using ::putchar;
+ using ::puts;
+ using ::remove;
+ using ::rename;
+ using ::rewind;
+ using ::scanf;
+ using ::setbuf;
+ using ::setvbuf;
+ using ::snprintf;
+ using ::sprintf;
+ using ::sscanf;
+ using ::tmpfile;
+ using ::tmpnam;
+ using ::ungetc;
+ using ::vfprintf;
+ using ::vfscanf;
+ using ::vprintf;
+ using ::vscanf;
+ using ::vsnprintf;
+ using ::vsprintf;
+ using ::vsscanf;
+
+} // export
+
+// cstdlib.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ using ::div_t;
+ using ::ldiv_t;
+ using ::lldiv_t;
+ using ::size_t;
+
+ // [support.start.term], start and termination
+ using ::_Exit;
+ using ::abort;
+ using ::at_quick_exit _LIBCPP_USING_IF_EXISTS;
+ using ::atexit;
+ using ::exit;
+ using ::quick_exit _LIBCPP_USING_IF_EXISTS;
+
+ using ::getenv;
+ using ::system;
+
+ // [c.malloc], C library memory allocation
+ using ::aligned_alloc _LIBCPP_USING_IF_EXISTS;
+ using ::calloc;
+ using ::free;
+ using ::malloc;
+ using ::realloc;
+
+ using ::atof;
+ using ::atoi;
+ using ::atol;
+ using ::atoll;
+ using ::strtod;
+ using ::strtof;
+ using ::strtol;
+ using ::strtold;
+ using ::strtoll;
+ using ::strtoul;
+ using ::strtoull;
+
+ // [c.mb.wcs], multibyte / wide string and character conversion functions
+ using ::mblen;
+#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+ using ::mbstowcs;
+ using ::mbtowc;
+ using ::wcstombs;
+ using ::wctomb;
+#endif
+ // [alg.c.library], C standard library algorithms
+ using ::bsearch;
+ using ::qsort;
+
+ // [c.math.rand], low-quality random number generation
+ using ::rand;
+ using ::srand;
+
+ // [c.math.abs], absolute values
+ using ::abs;
+
+ using ::labs;
+ using ::llabs;
+
+ using ::div;
+ using ::ldiv;
+ using ::lldiv;
+
+} // export
+
+// cstring.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ using ::size_t;
+
+ using ::memchr;
+ using ::memcmp;
+ using ::memcpy;
+ using ::memmove;
+ using ::memset;
+ using ::strcat;
+ using ::strchr;
+ using ::strcmp;
+ using ::strcoll;
+ using ::strcpy;
+ using ::strcspn;
+ using ::strerror;
+ using ::strlen;
+ using ::strncat;
+ using ::strncmp;
+ using ::strncpy;
+ using ::strpbrk;
+ using ::strrchr;
+ using ::strspn;
+ using ::strstr;
+ using ::strtok;
+ using ::strxfrm;
+
+} // export
+
+// ctime.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ using ::clock_t;
+ using ::size_t;
+ using ::time_t;
+
+ using ::timespec;
+ using ::tm;
+
+ using ::asctime;
+ using ::clock;
+ using ::ctime;
+ using ::difftime;
+ using ::gmtime;
+ using ::localtime;
+ using ::mktime;
+ using ::strftime;
+ using ::time;
+ using ::timespec_get _LIBCPP_USING_IF_EXISTS;
+} // export
+
+// cuchar.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+ // Note the Standard does not mark these symbols optional, but libc++'s header
+ // does. So this seems strictly not to be conforming.
+
+ // mbstate_t is conditionally here, but always present in cwchar.cppm. To avoid
+ // conflicing declarations omit the using here.
+
+ // size_t is conditionally here, but always present in cstddef.cppm. To avoid
+ // conflicing declarations omit the using here.
+
+#if !defined(_LIBCPP_HAS_NO_C8RTOMB_MBRTOC8)
+ using ::mbrtoc8 _LIBCPP_USING_IF_EXISTS;
+ using ::c8rtomb _LIBCPP_USING_IF_EXISTS;
+#endif
+ using ::mbrtoc16 _LIBCPP_USING_IF_EXISTS;
+ using ::c16rtomb _LIBCPP_USING_IF_EXISTS;
+ using ::mbrtoc32 _LIBCPP_USING_IF_EXISTS;
+ using ::c32rtomb _LIBCPP_USING_IF_EXISTS;
+} // export
+
+// cwchar.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+ using ::mbstate_t;
+ using ::size_t;
+ using ::wint_t;
+
+ using ::tm;
+
+ using ::btowc;
+ using ::fgetwc;
+ using ::fgetws;
+ using ::fputwc;
+ using ::fputws;
+ using ::fwide;
+ using ::fwprintf;
+ using ::fwscanf;
+ using ::getwc;
+ using ::getwchar;
+ using ::putwc;
+ using ::putwchar;
+ using ::swprintf;
+ using ::swscanf;
+ using ::ungetwc;
+ using ::vfwprintf;
+ using ::vfwscanf;
+ using ::vswprintf;
+ using ::vswscanf;
+ using ::vwprintf;
+ using ::vwscanf;
+ using ::wcscat;
+ using ::wcschr;
+ using ::wcscmp;
+ using ::wcscoll;
+ using ::wcscpy;
+ using ::wcscspn;
+ using ::wcsftime;
+ using ::wcslen;
+ using ::wcsncat;
+ using ::wcsncmp;
+ using ::wcsncpy;
+ using ::wcspbrk;
+ using ::wcsrchr;
+ using ::wcsspn;
+ using ::wcsstr;
+ using ::wcstod;
+ using ::wcstof;
+ using ::wcstok;
+ using ::wcstol;
+ using ::wcstold;
+ using ::wcstoll;
+ using ::wcstoul;
+ using ::wcstoull;
+ using ::wcsxfrm;
+ using ::wctob;
+ using ::wmemchr;
+ using ::wmemcmp;
+ using ::wmemcpy;
+ using ::wmemmove;
+ using ::wmemset;
+ using ::wprintf;
+ using ::wscanf;
+
+ // [c.mb.wcs], multibyte / wide string and character conversion functions
+ using ::mbrlen;
+ using ::mbrtowc;
+ using ::mbsinit;
+ using ::mbsrtowcs;
+ using ::wcrtomb;
+ using ::wcsrtombs;
+#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
+} // export
+
+// cwctype.inc
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+export {
+#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+ using ::wctrans_t;
+ using ::wctype_t;
+ using ::wint_t;
+
+ using ::iswalnum;
+ using ::iswalpha;
+ using ::iswblank;
+ using ::iswcntrl;
+ using ::iswctype;
+ using ::iswdigit;
+ using ::iswgraph;
+ using ::iswlower;
+ using ::iswprint;
+ using ::iswpunct;
+ using ::iswspace;
+ using ::iswupper;
+ using ::iswxdigit;
+ using ::towctrans;
+ using ::towlower;
+ using ::towupper;
+ using ::wctrans;
+ using ::wctype;
+#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
+} // export
diff --git a/libbuild2/cc/std.cppm b/libbuild2/cc/std.cppm
index 5368d1c..575e6a4 100644
--- a/libbuild2/cc/std.cppm
+++ b/libbuild2/cc/std.cppm
@@ -8,15 +8,15 @@
//===----------------------------------------------------------------------===//
// WARNING, this entire header is generated by
-// utils/generate_std_cppm_in.py
+// utils/generate_libcxx_cppm_in.py
// DO NOT MODIFY!
module;
#include <__config>
-#if _LIBCPP_VERSION < 170000
-#error libc++ version 17.0.0 or later required
+#if _LIBCPP_VERSION < 180000
+#error libc++ version 18.0.0 or later required
#endif
// The headers of Table 24: C++ library headers [tab:headers.cpp]
@@ -153,11 +153,8 @@ module;
# include <strstream>
#endif
#if !defined(_LIBCPP_HAS_NO_LOCALIZATION)
-#if __has_include(<syncstream>)
-# define _LIPCPP_HAS_YES_SYNCSTREAM
# include <syncstream>
#endif
-#endif
#include <system_error>
#if !defined(_LIBCPP_HAS_NO_THREADS)
# include <thread>
@@ -177,38 +174,38 @@ module;
#if 0
// *** Headers not yet available ***
#if __has_include(<debugging>)
-# error "update the header information for <debugging> in libcxx/utils/generate_std_cppm_in.py"
-#endif // __has_include(<debugging>)
+# error "please update the header information for <debugging> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<debugging>)
#if __has_include(<flat_map>)
-# error "update the header information for <flat_map> in libcxx/utils/generate_std_cppm_in.py"
-#endif // __has_include(<flat_map>)
+# error "please update the header information for <flat_map> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<flat_map>)
#if __has_include(<flat_set>)
-# error "update the header information for <flat_set> in libcxx/utils/generate_std_cppm_in.py"
-#endif // __has_include(<flat_set>)
+# error "please update the header information for <flat_set> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<flat_set>)
#if __has_include(<generator>)
-# error "update the header information for <generator> in libcxx/utils/generate_std_cppm_in.py"
-#endif // __has_include(<generator>)
+# error "please update the header information for <generator> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<generator>)
#if __has_include(<hazard_pointer>)
-# error "update the header information for <hazard_pointer> in libcxx/utils/generate_std_cppm_in.py"
-#endif // __has_include(<hazard_pointer>)
+# error "please update the header information for <hazard_pointer> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<hazard_pointer>)
#if __has_include(<linalg>)
-# error "update the header information for <linalg> in libcxx/utils/generate_std_cppm_in.py"
-#endif // __has_include(<linalg>)
+# error "please update the header information for <linalg> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<linalg>)
#if __has_include(<rcu>)
-# error "update the header information for <rcu> in libcxx/utils/generate_std_cppm_in.py"
-#endif // __has_include(<rcu>)
+# error "please update the header information for <rcu> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<rcu>)
#if __has_include(<spanstream>)
-# error "update the header information for <spanstream> in libcxx/utils/generate_std_cppm_in.py"
-#endif // __has_include(<spanstream>)
+# error "please update the header information for <spanstream> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<spanstream>)
#if __has_include(<stacktrace>)
-# error "update the header information for <stacktrace> in libcxx/utils/generate_std_cppm_in.py"
-#endif // __has_include(<stacktrace>)
+# error "please update the header information for <stacktrace> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<stacktrace>)
#if __has_include(<stdfloat>)
-# error "update the header information for <stdfloat> in libcxx/utils/generate_std_cppm_in.py"
-#endif // __has_include(<stdfloat>)
+# error "please update the header information for <stdfloat> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<stdfloat>)
#if __has_include(<text_encoding>)
-# error "update the header information for <text_encoding> in libcxx/utils/generate_std_cppm_in.py"
-#endif // __has_include(<text_encoding>)
+# error "please update the header information for <text_encoding> in headers_not_available in utils/libcxx/header_information.py"
+#endif // __has_include(<text_encoding>)
#endif
export module std;
@@ -232,7 +229,9 @@ export namespace std {
using std::ranges::in_in_result;
using std::ranges::in_out_out_result;
using std::ranges::in_out_result;
- // using std::ranges::in_value_result;
+#if _LIBCPP_STD_VER >= 23
+ using std::ranges::in_value_result;
+#endif
using std::ranges::min_max_result;
// using std::ranges::out_value_result;
} // namespace ranges
@@ -256,13 +255,15 @@ export namespace std {
using std::ranges::none_of;
}
+#if _LIBCPP_STD_VER >= 23
// [alg.contains], contains
-#if 0
namespace ranges {
using std::ranges::contains;
+#if 0
using std::ranges::contains_subrange;
- } // namespace ranges
#endif
+ } // namespace ranges
+#endif // _LIBCPP_STD_VER >= 23
// [alg.foreach], for each
using std::for_each;
@@ -370,20 +371,18 @@ export namespace std {
// [alg.starts.with], starts with
using std::ranges::starts_with;
-#if _LIBCPP_VERSION >= 180000
// [alg.ends.with], ends with
using std::ranges::ends_with;
-#endif
-# if 0
// [alg.fold], fold
using std::ranges::fold_left;
+ using std::ranges::fold_left_with_iter;
+ using std::ranges::fold_left_with_iter_result;
+# if 0
using std::ranges::fold_left_first;
using std::ranges::fold_right;
using std::ranges::fold_right_last;
using std::ranges::fold_left_with_iter;
- using std::ranges::fold_left_with_iter_result;
- using std::ranges::fold_left_with_iter;
using std::ranges::fold_left_first_with_iter;
using std::ranges::fold_left_first_with_iter;
# endif
@@ -955,7 +954,9 @@ export namespace std {
using std::atomic_char;
using std::atomic_char16_t;
using std::atomic_char32_t;
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
using std::atomic_char8_t;
+#endif
using std::atomic_int;
using std::atomic_llong;
using std::atomic_long;
@@ -1993,11 +1994,13 @@ export namespace std {
export namespace std {
#ifndef _LIBCPP_HAS_NO_LOCALIZATION
+# if _LIBCPP_STD_VER < 26 || defined(_LIBCPP_ENABLE_CXX26_REMOVED_CODECVT)
using std::codecvt_mode;
using std::codecvt_utf16;
using std::codecvt_utf8;
using std::codecvt_utf8_utf16;
+# endif // _LIBCPP_STD_VER < 26 || defined(_LIBCPP_ENABLE_CXX26_REMOVED_CODECVT)
#endif // _LIBCPP_HAS_NO_LOCALIZATION
} // namespace std
@@ -2617,7 +2620,7 @@ export namespace std {
using std::mktime;
using std::strftime;
using std::time;
- using std::timespec_get;
+ using std::timespec_get _LIBCPP_USING_IF_EXISTS;
} // namespace std
// cuchar.inc
@@ -3108,6 +3111,9 @@ export namespace std {
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
using std::wformat_string;
#endif
+#if _LIBCPP_STD_VER >= 26
+ using std::runtime_format;
+#endif //_LIBCPP_STD_VER >= 26
// [format.functions], formatting functions
using std::format;
@@ -3590,9 +3596,11 @@ export namespace std {
#endif
using std::u16streampos;
using std::u32streampos;
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
using std::u8streampos;
+#endif
-#ifdef _LIBCPP_HAS_YES_SYNCSTREAM
+#ifndef _LIBCPP_HAS_NO_EXPERIMENTAL_SYNCSTREAM
using std::basic_osyncstream;
using std::basic_syncbuf;
#endif
@@ -3600,13 +3608,11 @@ export namespace std {
using std::istreambuf_iterator;
using std::ostreambuf_iterator;
-#ifdef _LIBCPP_HAS_YES_SYNCSTREAM
+#ifndef _LIBCPP_HAS_NO_EXPERIMENTAL_SYNCSTREAM
using std::osyncstream;
using std::syncbuf;
-#endif
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-#ifdef _LIBCPP_HAS_YES_SYNCSTREAM
using std::wosyncstream;
using std::wsyncbuf;
#endif
@@ -4112,9 +4118,7 @@ export namespace std {
// [mdspan.layout], layout mapping
using std::layout_left;
using std::layout_right;
-#if _LIBCPP_VERSION >= 180000
using std::layout_stride;
-#endif
// [mdspan.accessor.default], class template default_accessor
using std::default_accessor;
@@ -4171,7 +4175,9 @@ export namespace std {
#if _LIBCPP_STD_VER >= 23
using std::allocation_result;
- using std::allocate_at_least;
+ // Note: no longer in Clang 19.
+ //
+ //using std::allocate_at_least;
#endif
// [default.allocator], the default allocator
@@ -4283,7 +4289,9 @@ export namespace std {
using std::reinterpret_pointer_cast;
using std::static_pointer_cast;
+#ifndef _LIBCPP_HAS_NO_RTTI
using std::get_deleter;
+#endif // _LIBCPP_HAS_NO_RTTI
// [util.smartptr.shared.io], shared_ptr I/O
@@ -4555,6 +4563,16 @@ export namespace std {
// [numeric.ops.midpoint], midpoint
using std::midpoint;
+
+#if _LIBCPP_STD_VER >= 26
+ // [numeric.sat], saturation arithmetic
+ using std::add_sat;
+ using std::div_sat;
+ using std::mul_sat;
+ using std::saturate_cast;
+ using std::sub_sat;
+#endif
+
} // namespace std
// optional.inc
@@ -4626,14 +4644,17 @@ export namespace std {
# endif
using std::operator<<;
-# if 0
+# if _LIBCPP_STD_VER >= 23
// [ostream.formatted.print], print functions
using std::print;
using std::println;
using std::vprint_nonunicode;
+# ifndef _LIBCPP_HAS_NO_UNICODE
using std::vprint_unicode;
-# endif
+# endif // _LIBCPP_HAS_NO_UNICODE
+# endif // _LIBCPP_STD_VER >= 23
+
#endif // _LIBCPP_HAS_NO_LOCALIZATION
} // namespace std
@@ -5013,13 +5034,11 @@ export namespace std {
using std::ranges::views::drop_while;
} // namespace views
-#ifdef _LIBCPP_ENABLE_EXPERIMENTAL
using std::ranges::join_view;
namespace views {
using std::ranges::views::join;
} // namespace views
-#endif // _LIBCPP_ENABLE_EXPERIMENTAL
#if 0
using std::ranges::join_with_view;
@@ -5123,14 +5142,12 @@ export namespace std {
#endif
#if _LIBCPP_STD_VER >= 23
-#if _LIBCPP_VERSION >= 180000
// [range.chunk.by], chunk by view
using std::ranges::chunk_by_view;
namespace views {
using std::ranges::views::chunk_by;
}
-#endif
#endif // _LIBCPP_STD_VER >= 23
#if 0
@@ -5783,7 +5800,9 @@ export namespace std {
using std::string;
using std::u16string;
using std::u32string;
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
using std::u8string;
+#endif
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
using std::wstring;
#endif
@@ -5807,7 +5826,9 @@ export namespace std {
using std::pmr::string;
using std::pmr::u16string;
using std::pmr::u32string;
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
using std::pmr::u8string;
+#endif
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
using std::pmr::wstring;
#endif
@@ -5816,17 +5837,12 @@ export namespace std {
// [basic.string.hash], hash support
using std::hash;
- // TODO MODULES is this a bug?
-#if _LIBCPP_STD_VER >= 23
- using std::operator""s;
-#else
inline namespace literals {
inline namespace string_literals {
// [basic.string.literals], suffix for basic_string literals
using std::literals::string_literals::operator""s;
} // namespace string_literals
- } // namespace literals
-#endif
+ } // namespace literals
} // namespace std
// string_view.inc
@@ -5859,7 +5875,9 @@ export namespace std {
using std::string_view;
using std::u16string_view;
using std::u32string_view;
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
using std::u8string_view;
+#endif
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
using std::wstring_view;
#endif
@@ -5904,8 +5922,6 @@ export namespace std {
//
//===----------------------------------------------------------------------===//
-#ifdef _LIBCPP_HAS_YES_SYNCSTREAM
-
export namespace std {
#if !defined(_LIBCPP_HAS_NO_LOCALIZATION) && !defined(_LIBCPP_HAS_NO_EXPERIMENTAL_SYNCSTREAM)
using std::basic_syncbuf;
@@ -5926,8 +5942,6 @@ export namespace std {
#endif // !defined(_LIBCPP_HAS_NO_LOCALIZATION) && !defined(_LIBCPP_HAS_NO_EXPERIMENTAL_SYNCSTREAM)
} // namespace std
-#endif
-
// system_error.inc
// -*- C++ -*-
//===----------------------------------------------------------------------===//