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Updated libunwind, libcxx and libcxx patches and build commands

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Build libcxx and libcxxabi (succeeding) and libunwind (patch rebased
but build not working).
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Martin Storsjö authored and Martin Storsjo committed 2016-08-31 12:25:08 +03:00
1 parent 0e847128ef
commit c1e32c9587
8 files changed
+455 -167
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patches/libcxx-0001.patch
+254 -11
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@@ -1,25 +1,268 @@
From ab3797f34376ddbf35d4a5eed8af1aa1209727c1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20Beauz=C3=A9e-Luyssen?= <hugo@beauzee.fr>
Date: Thu, 12 May 2016 20:57:05 +0200
Subject: [PATCH] Fix win32 build
From 57d48bf47108014aa5e0c5435c107581e86e3045 Mon Sep 17 00:00:00 2001
From: Martell Malone <martellmalone@gmail.com>
Date: Sat, 6 Aug 2016 03:54:22 -0700
Subject: [PATCH] mingw-w64 hack and slash fixes for libc++
---
include/type_traits | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
CMAKE_HOST_WIN32 change can be upstreamed in a different patch
This is very hacky but gets libcxx to compile
Make sure you only install the headers after building
Will need to run the test suite and do more work here
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
index 219d1b7..2a9337f 100644
--- a/include/CMakeLists.txt
+++ b/include/CMakeLists.txt
@@ -27,7 +27,7 @@ if (LIBCXX_INSTALL_HEADERS)
if (LIBCXX_NEEDS_SITE_CONFIG)
set(UNIX_CAT cat)
- if (WIN32)
+ if (CMAKE_HOST_WIN32)
set(UNIX_CAT type)
endif()
# Generate and install a custom __config header. The new header is created
diff --git a/include/__config b/include/__config
index 353ca10..b58c350 100644
--- a/include/__config
+++ b/include/__config
@@ -152,6 +152,8 @@
# // If mingw not explicitly detected, assume using MS C runtime only.
# ifndef __MINGW32__
# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
+# else
+# define _LIBCPP_HAS_NO_CONSTEXPR
# endif
#endif // _WIN32
@@ -177,7 +179,7 @@
// including accesses to the special files under /dev. C++11's
// std::random_device is instead exposed through a NaCl syscall.
# define _LIBCPP_USING_NACL_RANDOM
-#elif defined(_WIN32)
+#elif defined(_MSC_VER)
# define _LIBCPP_USING_WIN32_RANDOM
#else
# define _LIBCPP_USING_DEV_RANDOM
@@ -831,7 +833,8 @@ extern "C" void __sanitizer_annotate_contiguous_container(
defined(__linux__) || \
defined(__APPLE__) || \
defined(__CloudABI__) || \
- defined(__sun__)
+ defined(__sun__) || \
+ defined(__MINGW32__)
# define _LIBCPP_HAS_THREAD_API_PTHREAD
# else
# error "No thread API"
diff --git a/include/support/win32/locale_win32.h b/include/support/win32/locale_win32.h
index 7f3710e..d167309 100644
--- a/include/support/win32/locale_win32.h
+++ b/include/support/win32/locale_win32.h
@@ -64,6 +64,15 @@ isupper_l(int c, _locale_t loc)
return _isupper_l((int)c, loc);
}
+#define open _open
+#define close _close
+#define read _read
+
+#define strtod_l _strtod_l
+
+// TODO: add _strtof_l to mingw-w64
+#define strtof_l _strtod_l
+
#define isdigit_l _isdigit_l
#define isxdigit_l _isxdigit_l
#define strcoll_l _strcoll_l
@@ -93,6 +102,33 @@ int snprintf_l(char *ret, size_t n, locale_t loc, const char *format, ...);
int asprintf_l( char **ret, locale_t loc, const char *format, ... );
int vasprintf_l( char **ret, locale_t loc, const char *format, va_list ap );
+#ifdef __MINGW32__
+
+// Stubs
+inline _locale_t _get_current_locale(void) {
+ return NULL;
+}
+
+inline _locale_t _create_locale(int _Category,const char *_Locale) {
+ _locale_t loc;
+ return loc;
+}
+//extern "C" void _free_locale(_locale_t _Locale) {}
+//void __cdecl _free_locale(_locale_t _Locale);
+inline _locale_t _free_locale(_locale_t _Locale) {
+ _locale_t loc;
+ return loc;
+}
+
+
+#include <time.h>
+
+inline size_t _strftime_l(char* s, size_t n, const char * f, const struct tm * tm, _locale_t l)
+{
+ return strftime(s, n, f, tm);
+}
+
+#endif
// not-so-pressing FIXME: use locale to determine blank characters
inline int isblank_l( int c, locale_t /*loc*/ )
@@ -104,7 +140,7 @@ inline int iswblank_l( wint_t c, locale_t /*loc*/ )
return ( c == L' ' || c == L'\t' );
}
-#if defined(_LIBCPP_MSVCRT)
+#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
inline int isblank( int c, locale_t /*loc*/ )
{ return ( c == ' ' || c == '\t' ); }
inline int iswblank( wint_t c, locale_t /*loc*/ )
diff --git a/include/support/win32/support.h b/include/support/win32/support.h
index 5765bab..4955b3a 100644
--- a/include/support/win32/support.h
+++ b/include/support/win32/support.h
@@ -37,12 +37,13 @@ extern "C" {
int vasprintf(char **sptr, const char *__restrict fmt, va_list ap);
int asprintf(char **sptr, const char *__restrict fmt, ...);
+}
+#endif // __MINGW32__
+
size_t mbsnrtowcs(wchar_t *__restrict dst, const char **__restrict src,
size_t nmc, size_t len, mbstate_t *__restrict ps);
size_t wcsnrtombs(char *__restrict dst, const wchar_t **__restrict src,
size_t nwc, size_t len, mbstate_t *__restrict ps);
-}
-#endif // __MINGW32__
#if defined(_LIBCPP_MSVCRT)
#define snprintf _snprintf
diff --git a/include/type_traits b/include/type_traits
index b7adfeb..f7cef9d 100644
index 0d578bb..88dfd99 100644
--- a/include/type_traits
+++ b/include/type_traits
@@ -1630,7 +1630,7 @@ _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x800);
@@ -1671,7 +1671,7 @@ _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x800);
_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x1000);
_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x2000);
// MSDN says that MSVC does not support alignment beyond 8192 (=0x2000)
-#if !defined(_LIBCPP_MSVC)
+#if !defined(_WIN32)
+#if !defined(_LIBCPP_MSVC) && !defined(__MINGW32__)
_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x4000);
#endif // !_LIBCPP_MSVC
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index cabf2e6..8729707 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -33,9 +33,11 @@ add_link_flags_if(LIBCXX_CXX_ABI_LIBRARY_PATH "-L${LIBCXX_CXX_ABI_LIBRARY_PATH}"
add_library_flags_if(LIBCXX_COVERAGE_LIBRARY "${LIBCXX_COVERAGE_LIBRARY}")
+if(NOT MINGW)
add_library_flags_if(LIBCXX_ENABLE_STATIC_ABI_LIBRARY "-Wl,--whole-archive" "-Wl,-Bstatic")
add_library_flags("${LIBCXX_CXX_ABI_LIBRARY}")
add_library_flags_if(LIBCXX_ENABLE_STATIC_ABI_LIBRARY "-Wl,-Bdynamic" "-Wl,--no-whole-archive")
+endif()
if (APPLE AND LLVM_USE_SANITIZER)
if ("${LLVM_USE_SANITIZER}" STREQUAL "Address")
@@ -71,9 +73,14 @@ add_library_flags_if(LIBCXX_HAS_RT_LIB rt)
add_library_flags_if(LIBCXX_HAS_GCC_S_LIB gcc_s)
add_library_flags_if(LIBCXX_HAVE_CXX_ATOMICS_WITH_LIB atomic)
-# Setup flags.
add_flags_if_supported(-fPIC)
-add_link_flags_if_supported(-nodefaultlibs)
+
+# Setup flags.
+if (NOT MINGW)
+ add_link_flags_if_supported(-nodefaultlibs)
+else()
+ add_library_flags(-lc++abi)
+endif()
if ( APPLE AND (LIBCXX_CXX_ABI_LIBNAME STREQUAL "libcxxabi" OR
LIBCXX_CXX_ABI_LIBNAME STREQUAL "none"))
diff --git a/src/locale.cpp b/src/locale.cpp
index da2fd11..03696a7 100644
--- a/src/locale.cpp
+++ b/src/locale.cpp
@@ -26,9 +26,9 @@
#include "cstring"
#include "cwctype"
#include "__sso_allocator"
-#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
+#if defined(_LIBCPP_MSVCRT)
#include "support/win32/locale_win32.h"
-#elif !defined(__ANDROID__)
+#elif !defined(__ANDROID__) && !defined(__MINGW32__)
#include <langinfo.h>
#endif
#include <stdlib.h>
diff --git a/src/support/win32/locale_win32.cpp b/src/support/win32/locale_win32.cpp
index 5a43743..b220afe 100644
--- a/src/support/win32/locale_win32.cpp
+++ b/src/support/win32/locale_win32.cpp
@@ -8,6 +8,11 @@
//
//===----------------------------------------------------------------------===//
+#ifdef __MINGW32__
+#define _GNU_SOURCE
+#include <support/win32/support.h>
+#endif
+
#include <locale>
#include <cstdarg> // va_start, va_end
diff --git a/src/support/win32/support.cpp b/src/support/win32/support.cpp
index e989681..0d60ef4 100644
--- a/src/support/win32/support.cpp
+++ b/src/support/win32/support.cpp
@@ -8,6 +8,10 @@
//
//===----------------------------------------------------------------------===//
+#ifdef __MINGW32__
+#define _GNU_SOURCE
+#endif
+
#include <cstdarg> // va_start, va_end
#include <cstddef> // size_t
#include <cstdlib> // malloc
@@ -17,6 +21,7 @@
// Some of these functions aren't standard or if they conform, the name does not.
+#ifndef __MINGW32__
int asprintf(char **sptr, const char *__restrict format, ...)
{
va_list ap;
@@ -51,6 +56,7 @@ int vasprintf( char **sptr, const char *__restrict format, va_list ap )
*sptr = p;
return count;
}
+#endif
// Returns >= 0: the number of wide characters found in the
// multi byte sequence src (of src_size_bytes), that fit in the buffer dst
diff --git a/src/system_error.cpp b/src/system_error.cpp
index 87f35ae..fdd56ea 100644
--- a/src/system_error.cpp
+++ b/src/system_error.cpp
@@ -70,6 +70,12 @@ string do_strerror_r(int ev) {
char* ret = ::strerror_r(ev, buffer, strerror_buff_size);
return string(ret);
}
+#elif defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
+string do_strerror_r(int ev) {
+ char buffer[strerror_buff_size];
+ std::snprintf(buffer, strerror_buff_size, "Win32 Unsupported %d", ev);
+ return string(buffer);
+}
#else
// POSIX version
string do_strerror_r(int ev) {
--
2.8.1
2.8.3