Parts of the changes by Fabrice Popineau <fabrice.popineau@supelec.fr>.
lib-src/makefile.w32-in (LOCAL_FLAGS): Add $(EMACS_EXTRA_C_FLAGS).
lib-src/emacsclient.c (main) <environ>: Remove declaration, already
pulled in by unistd.h on Posix hosts and stdlib.h on MS-Windows.
nt/inc/stdint.h (uint32_t, uint64_t) [_WIN64]: New typedefs.
(UINT64_MAX) [_WIN64]: Fix definition.
(uintmax_t, intmax_t): Fix definitions.
nt/inc/inttypes.h (strtoumax, strtoimax) [!__MINGW32__]: Provide
correct definitions.
nt/config.nt (HAVE_DECL_STRTOLL): Define.
(va_copy) [_WIN64]: Provide a better definition.
src/s/ms-w32.h (utimbuf) [_MSC_VER]: Don't define.
(snprintf) [_MSC_VER]: Redirect to _snprintf.
(strtoll) [_MSC_VER]: Redirect to _strtoi64.
(malloc, free, realloc, calloc): Redirect to e_* only when
compiling Emacs.
src/lisp.h (GCTYPEBITS): Move before first use.
(ALIGN_GCTYPEBITS) [_MSC_VER]: Define.
(DECL_ALIGN) [_MSC_VER]: Use it, as MSVC doesn't like bit ops in
this macro definition.
(tzname): Redirect to _tzname for all values of _MSC_VER.
Fixes: debbugs:9960
(BITS_PER_LONG_LONG): Define if C99-style long long and "%lld" work.
(EMACS_INT, BITS_PER_EMACS_INT, pI): Otherwise, define these if
__int64 and "%I64d" work.
nt/config.nt (NO_INLINE, ATTRIBUTE_FORMAT)
(ATTRIBUTE_FORMAT_PRINTF): Define, as followup to 2011-04-06T05:19:39Z!eggert@cs.ucla.edu
on the trunk on 2011-04-06.
* configure.in (LD_SWITCH_X_SITE, C_SWITCH_X_SITE): Do not define.
* src/Makefile.in (LD_SWITCH_X_SITE): Define as a variable, not via cpp.
(LIBX_BASE): Use $LD_SWITCH_X_SITE.
* nt/config.nt (LD_SWITCH_X_SITE, C_SWITCH_X_SITE): Remove undefs.
* msdos/sed1v2.inp: Comment.
* configure.in (LD_SWITCH_X_SITE_AUX): Use AC_SUBST only, not AC_DEFINE as well.
(LD_SWITCH_X_SITE_AUX_RPATH): New output variable.
* nt/config.nt (LD_SWITCH_X_SITE_AUX): Remove.
* src/s/gnu-linux.h (LD_SWITCH_SYSTEM): Use LD_SWITCH_X_SITE_AUX as a shell
variable.
* src/s/netbsd.h (LD_SWITCH_SYSTEM_tmp): Remove.
(LD_SWITCH_SYSTEM): Use $LD_SWITCH_X_SITE_AUX_RPATH.
* src/s/openbsd.h (LD_SWITCH_SYSTEM_tmp): Remove.
(LD_SWITCH_SYSTEM): Use $LD_SWITCH_X_SITE_AUX_RPATH instead of
LD_SWITCH_SYSTEM_tmp.
* src/Makefile.in (LD_SWITCH_X_SITE_AUX, LD_SWITCH_X_SITE_AUX_RPATH):
New variables, set by configure.