curl/lib/setup-win32.h
Viktor Szakats 2100d9fde2
cmake: pre-fill rest of detection values for Windows
The goal of this patch is to avoid unnecessary feature detection work
when doing Windows builds with CMake. Do this by pre-filling well-known
detection results for Windows and specifically for mingw-w64 and MSVC
compilers. Also limit feature checks to platforms where the results are
actually used. Drop a few redundant ones. And some tidying up.

- pre-fill remaining detection values in Windows CMake builds.

  Based on actual detection results observed in CI runs, preceding
  similar work over libssh2 and matching up values with
  `lib/config-win32.h`.

  This brings down CMake configuration time from 58 to 14 seconds on the
  same local machine.

  On AppVeyor CI this translates to:
  - 128 seconds -> 50 seconds VS2022 MSVC with OpenSSL (per CMake job):
    https://ci.appveyor.com/project/curlorg/curl/builds/48208419/job/4gw66ecrjpy7necb#L296
    https://ci.appveyor.com/project/curlorg/curl/builds/48217440/job/8m4fwrr2fe249uo8#L186
  - 62 seconds -> 16 seconds VS2017 MINGW (per CMake job):
    https://ci.appveyor.com/project/curlorg/curl/builds/48208419/job/s1y8q5ivlcs7ub29?fullLog=true#L290
    https://ci.appveyor.com/project/curlorg/curl/builds/48217440/job/pchpxyjsyc9kl13a?fullLog=true#L194

  The formula is about 1-3 seconds delay for each detection. Almost all
  of these trigger a full compile-link cycle behind the scenes, slow
  even today, both cross and native, mingw-w64 and apparently MSVC too.
  Enabling .map files or other custom build features slows it down
  further. (Similar is expected for autotools configure.)

- stop detecting `idn2.h` if idn2 was deselected.
  autotools does this.

- stop detecting `idn2.h` if idn2 was not found.
  This deviates from autotools. Source code requires both header and
  lib, so this is still correct, but faster.

- limit `ADDRESS_FAMILY` detection to Windows.

- normalize `HAVE_WIN32_WINNT` value to lowercase `0x0a12` format.

- pre-fill `HAVE_WIN32_WINNT`-dependent detection results.
  Saving 4 (slow) feature-detections in most builds: `getaddrinfo`,
  `freeaddrinfo`, `inet_ntop`, `inet_pton`

- fix pre-filled `HAVE_SYS_TIME_H`, `HAVE_SYS_PARAM_H`,
  `HAVE_GETTIMEOFDAY` for mingw-w64.
  Luckily this do not change build results, as `WIN32` took
  priority over `HAVE_GETTIMEOFDAY` with the current source
  code.

- limit `HAVE_CLOCK_GETTIME_MONOTONIC_RAW` and
  `HAVE_CLOCK_GETTIME_MONOTONIC` detections to non-Windows.
  We're not using these in the source code for Windows.

- reduce compiler warning noise in CMake internal logs:
  - fix to include `winsock2.h` before `windows.h`.
    Apply it to autotools test snippets too.
  - delete previous `-D_WINSOCKAPI_=` hack that aimed to fix the above.
  - cleanup `CMake/CurlTests.c` to emit less warnings.

- delete redundant `HAVE_MACRO_SIGSETJMP` feature check.
  It was the same check as `HAVE_SIGSETJMP`.

- delete 'experimental' marking from `CURL_USE_OPENSSL`.

- show CMake version via `CMakeLists.txt`.
  Credit to the `zlib-ng` project for the idea:
  61e181c8ae/CMakeLists.txt (L7)

- make `CMake/CurlTests.c` pass `checksrc`.

- `CMake/WindowsCache.cmake` tidy-ups.

- replace `WIN32` guard with `_WIN32` in `CMake/CurlTests.c`.

Closes #12044
2023-10-24 21:06:36 +00:00

128 lines
4.1 KiB
C

#ifndef HEADER_CURL_SETUP_WIN32_H
#define HEADER_CURL_SETUP_WIN32_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
/*
* Include header files for windows builds before redefining anything.
* Use this preprocessor block only to include or exclude windows.h,
* winsock2.h or ws2tcpip.h. Any other windows thing belongs
* to any other further and independent block. Under Cygwin things work
* just as under linux (e.g. <sys/socket.h>) and the winsock headers should
* never be included when __CYGWIN__ is defined. configure script takes
* care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK2_H,
* neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined.
*/
#ifdef HAVE_WINDOWS_H
# if defined(UNICODE) && !defined(_UNICODE)
# error "UNICODE is defined but _UNICODE is not defined"
# endif
# if defined(_UNICODE) && !defined(UNICODE)
# error "_UNICODE is defined but UNICODE is not defined"
# endif
/*
* Don't include unneeded stuff in Windows headers to avoid compiler
* warnings and macro clashes.
* Make sure to define this macro before including any Windows headers.
*/
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# ifndef NOGDI
# define NOGDI
# endif
# ifdef HAVE_WINSOCK2_H
# include <winsock2.h>
# ifdef HAVE_WS2TCPIP_H
# include <ws2tcpip.h>
# endif
# endif
# include <windows.h>
# include <winerror.h>
# include <tchar.h>
# ifdef UNICODE
typedef wchar_t *(*curl_wcsdup_callback)(const wchar_t *str);
# endif
#endif
/*
* Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else
* undefine USE_WINSOCK.
*/
#undef USE_WINSOCK
#ifdef HAVE_WINSOCK2_H
# define USE_WINSOCK 2
#endif
/*
* Define _WIN32_WINNT_[OS] symbols because not all Windows build systems have
* those symbols to compare against, and even those that do may be missing
* newer symbols.
*/
#ifndef _WIN32_WINNT_NT4
#define _WIN32_WINNT_NT4 0x0400 /* Windows NT 4.0 */
#endif
#ifndef _WIN32_WINNT_WIN2K
#define _WIN32_WINNT_WIN2K 0x0500 /* Windows 2000 */
#endif
#ifndef _WIN32_WINNT_WINXP
#define _WIN32_WINNT_WINXP 0x0501 /* Windows XP */
#endif
#ifndef _WIN32_WINNT_WS03
#define _WIN32_WINNT_WS03 0x0502 /* Windows Server 2003 */
#endif
#ifndef _WIN32_WINNT_WIN6
#define _WIN32_WINNT_WIN6 0x0600 /* Windows Vista */
#endif
#ifndef _WIN32_WINNT_VISTA
#define _WIN32_WINNT_VISTA 0x0600 /* Windows Vista */
#endif
#ifndef _WIN32_WINNT_WS08
#define _WIN32_WINNT_WS08 0x0600 /* Windows Server 2008 */
#endif
#ifndef _WIN32_WINNT_LONGHORN
#define _WIN32_WINNT_LONGHORN 0x0600 /* Windows Vista */
#endif
#ifndef _WIN32_WINNT_WIN7
#define _WIN32_WINNT_WIN7 0x0601 /* Windows 7 */
#endif
#ifndef _WIN32_WINNT_WIN8
#define _WIN32_WINNT_WIN8 0x0602 /* Windows 8 */
#endif
#ifndef _WIN32_WINNT_WINBLUE
#define _WIN32_WINNT_WINBLUE 0x0603 /* Windows 8.1 */
#endif
#ifndef _WIN32_WINNT_WINTHRESHOLD
#define _WIN32_WINNT_WINTHRESHOLD 0x0A00 /* Windows 10 */
#endif
#ifndef _WIN32_WINNT_WIN10
#define _WIN32_WINNT_WIN10 0x0A00 /* Windows 10 */
#endif
#endif /* HEADER_CURL_SETUP_WIN32_H */