Fix Libc++ build with MinGW64
Summary: This patch corrects the build errors I encountered when building on MinGW64.
Reviewers: mati865, rnk, compnerd, smeenai, bcraig
Reviewed By: mati865, smeenai
Subscribers: martell, chapuni, cfe-commits
Differential Revision: https://reviews.llvm.org/D33082
llvm-svn: 304360
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 1ec026252b3027f06c8a561d93fc0a3801107bba
diff --git a/include/__config b/include/__config
index ec00790..212a2d5 100644
--- a/include/__config
+++ b/include/__config
@@ -220,10 +220,12 @@
#endif // __NetBSD__
#if defined(_WIN32)
-# define _LIBCPP_WIN32API 1
+# define _LIBCPP_WIN32API
# define _LIBCPP_LITTLE_ENDIAN 1
# define _LIBCPP_BIG_ENDIAN 0
# define _LIBCPP_SHORT_WCHAR 1
+// Both MinGW and native MSVC provide a "MSVC"-like enviroment
+# define _LIBCPP_MSVCRT_LIKE
// If mingw not explicitly detected, assume using MS C runtime only.
# ifndef __MINGW32__
# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
diff --git a/include/__locale b/include/__locale
index cf3ba23..7668422 100644
--- a/include/__locale
+++ b/include/__locale
@@ -19,7 +19,7 @@
#include <cstdint>
#include <cctype>
#include <locale.h>
-#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
+#if defined(_LIBCPP_MSVCRT_LIKE)
# include <support/win32/locale_win32.h>
#elif defined(_AIX)
# include <support/ibm/xlocale.h>
@@ -367,7 +367,7 @@
static const mask punct = _ISpunct;
static const mask xdigit = _ISxdigit;
static const mask blank = _ISblank;
-#elif defined(_LIBCPP_MSVCRT)
+#elif defined(_LIBCPP_MSVCRT_LIKE)
typedef unsigned short mask;
static const mask space = _SPACE;
static const mask print = _BLANK|_PUNCT|_ALPHA|_DIGIT;
diff --git a/include/locale b/include/locale
index bdedbea..6aaa22c 100644
--- a/include/locale
+++ b/include/locale
@@ -192,14 +192,7 @@
#endif
#include <cstdlib>
#include <ctime>
-#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
-#include <support/win32/locale_win32.h>
-#elif defined(_NEWLIB_VERSION)
-// FIXME: replace all the uses of _NEWLIB_VERSION with __NEWLIB__ preceded by an
-// include of <sys/cdefs.h> once https://sourceware.org/ml/newlib-cvs/2014-q3/msg00038.html
-// has had a chance to bake for a bit
-#include <support/newlib/xlocale.h>
-#endif
+#include <cstdio>
#ifdef _LIBCPP_HAS_CATOPEN
#include <nl_types.h>
#endif
diff --git a/include/stdio.h b/include/stdio.h
index dc53497..f124176 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -110,10 +110,9 @@
#ifdef __cplusplus
// snprintf
-#if defined(_LIBCPP_MSVCRT)
+#if defined(_LIBCPP_MSVCRT_LIKE)
extern "C" {
int vasprintf(char **sptr, const char *__restrict fmt, va_list ap);
-int asprintf(char **sptr, const char *__restrict fmt, ...);
}
#endif
diff --git a/include/support/win32/locale_win32.h b/include/support/win32/locale_win32.h
index 7a6c44c..b2b3ac4 100644
--- a/include/support/win32/locale_win32.h
+++ b/include/support/win32/locale_win32.h
@@ -52,20 +52,21 @@
size_t nwc, size_t len, mbstate_t *__restrict ps, locale_t loc);
wint_t btowc_l( int c, locale_t loc );
int wctob_l( wint_t c, locale_t loc );
-inline _LIBCPP_ALWAYS_INLINE
-decltype(MB_CUR_MAX) MB_CUR_MAX_L( locale_t __l )
-{
- return ___mb_cur_max_l_func(__l);
-}
+
+decltype(MB_CUR_MAX) MB_CUR_MAX_L( locale_t __l );
// the *_l functions are prefixed on Windows, only available for msvcr80+, VS2005+
#define mbtowc_l _mbtowc_l
#define strtoll_l _strtoi64_l
#define strtoull_l _strtoui64_l
-#define strtof_l _strtof_l
#define strtod_l _strtod_l
+#if defined(_LIBCPP_MSVCRT)
+#define strtof_l _strtof_l
#define strtold_l _strtold_l
-
+#else
+float strtof_l(const char*, char**, locale_t);
+long double strtold_l(const char*, char**, locale_t);
+#endif
inline _LIBCPP_INLINE_VISIBILITY
int
islower_l(int c, _locale_t loc)
diff --git a/include/wchar.h b/include/wchar.h
index 25a318f..a5666e1 100644
--- a/include/wchar.h
+++ b/include/wchar.h
@@ -166,7 +166,7 @@
}
#endif
-#if defined(__cplusplus) && defined(_LIBCPP_MSVCRT)
+#if defined(__cplusplus) && defined(_LIBCPP_MSVCRT_LIKE)
extern "C" {
size_t mbsnrtowcs(wchar_t *__restrict dst, const char **__restrict src,
size_t nmc, size_t len, mbstate_t *__restrict ps);
diff --git a/src/chrono.cpp b/src/chrono.cpp
index 9b277a6..d0e184a 100644
--- a/src/chrono.cpp
+++ b/src/chrono.cpp
@@ -37,7 +37,7 @@
#if defined(_LIBCPP_WIN32API)
#define WIN32_LEAN_AND_MEAN
#define VC_EXTRA_LEAN
-#include <Windows.h>
+#include <windows.h>
#if _WIN32_WINNT >= _WIN32_WINNT_WIN8
#include <winapifamily.h>
#endif
diff --git a/src/new.cpp b/src/new.cpp
index 21b3074..2b2682f 100644
--- a/src/new.cpp
+++ b/src/new.cpp
@@ -183,7 +183,7 @@
if (static_cast<size_t>(alignment) < sizeof(void*))
alignment = std::align_val_t(sizeof(void*));
void* p;
-#if defined(_LIBCPP_MSVCRT)
+#if defined(_LIBCPP_MSVCRT_LIKE)
while ((p = _aligned_malloc(size, static_cast<size_t>(alignment))) == nullptr)
#else
while (::posix_memalign(&p, static_cast<size_t>(alignment), size) != 0)
@@ -256,7 +256,7 @@
operator delete(void* ptr, std::align_val_t) _NOEXCEPT
{
if (ptr)
-#if defined(_LIBCPP_MSVCRT)
+#if defined(_LIBCPP_MSVCRT_LIKE)
::_aligned_free(ptr);
#else
::free(ptr);
diff --git a/src/support/win32/locale_win32.cpp b/src/support/win32/locale_win32.cpp
index 28cb449..13a6eae 100644
--- a/src/support/win32/locale_win32.cpp
+++ b/src/support/win32/locale_win32.cpp
@@ -34,6 +34,18 @@
// uselocale returns the old locale_t
return old_locale;
}
+
+decltype(MB_CUR_MAX) MB_CUR_MAX_L( locale_t __l )
+{
+#if defined(_LIBCPP_MSVCRT)
+ return ___mb_cur_max_l_func(__l);
+#else
+ __libcpp_locale_guard __current(__l);
+ return MB_CUR_MAX;
+#endif
+}
+
+
lconv *localeconv_l( locale_t loc )
{
__libcpp_locale_guard __current(loc);
@@ -109,3 +121,15 @@
__libcpp_locale_guard __current(loc);
return vasprintf( ret, format, ap );
}
+
+#if !defined(_LIBCPP_MSVCRT)
+float strtof_l(const char* nptr, char** endptr, locale_t loc) {
+ __libcpp_locale_guard __current(loc);
+ return strtof(nptr, endptr);
+}
+
+long double strtold_l(const char* nptr, char** endptr, locale_t loc) {
+ __libcpp_locale_guard __current(loc);
+ return strtold(nptr, endptr);
+}
+#endif
diff --git a/src/support/win32/support.cpp b/src/support/win32/support.cpp
index e989681..dbd1c4c 100644
--- a/src/support/win32/support.cpp
+++ b/src/support/win32/support.cpp
@@ -15,17 +15,6 @@
#include <cstring> // strcpy, wcsncpy
#include <cwchar> // mbstate_t
-// Some of these functions aren't standard or if they conform, the name does not.
-
-int asprintf(char **sptr, const char *__restrict format, ...)
-{
- va_list ap;
- va_start(ap, format);
- int result;
- result = vasprintf(sptr, format, ap);
- va_end(ap);
- return result;
-}
// Like sprintf, but when return value >= 0 it returns
// a pointer to a malloc'd string in *sptr.
diff --git a/src/system_error.cpp b/src/system_error.cpp
index cbbbb5d..17f2c9a 100644
--- a/src/system_error.cpp
+++ b/src/system_error.cpp
@@ -65,7 +65,7 @@
string do_strerror_r(int ev);
-#if defined(_LIBCPP_MSVCRT)
+#if defined(_LIBCPP_MSVCRT_LIKE)
string do_strerror_r(int ev) {
char buffer[strerror_buff_size];
if (::strerror_s(buffer, strerror_buff_size, ev) == 0)
diff --git a/src/thread.cpp b/src/thread.cpp
index 412a8fa..550da8e 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -34,7 +34,7 @@
#if defined(_LIBCPP_WIN32API)
#include <windows.h>
-#endif // defined(_LIBCPP_WIN32API)
+#endif
_LIBCPP_BEGIN_NAMESPACE_STD