From: "Martin Storsjö via ffmpeg-devel" <ffmpeg-devel@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: "Martin Storsjö" <code@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH] configure: Improve the check for schannel DTLS constants (PR #20444)
Message-ID: <175706279000.25.18343881586251708058@463a07221176> (raw)
PR #20444 opened by Martin Storsjö (mstorsjo)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20444
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20444.patch
This amends 307983b292adb60c82e75c8e5e41deedc89efbf0 to fix
building with older versions of mingw-w64.
The previously checked constant, SP_PROT_DTLS1_X_CLIENT, was
added in mingw-w64 in df36f5deda23192d0ee99ffd661ea36df924e667
in 2020, and is included in released versions since v8.0.0.
The new checked constant SECPKG_ATTR_DTLS_MTU was added in
mingw-w64 in 0792283787cca8fc27dd38671107c791c87f4db3 in 2021,
and first appeared in mingw-w64 v9.0.0.
This fixes building with mingw-w64 v8, which is the version bundled
in Ubuntu 22.04.
From 5e1de8a18a1f87e0e649c39c98fe68fd0b355e9d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Fri, 5 Sep 2025 11:55:31 +0300
Subject: [PATCH] configure: Improve the check for schannel DTLS constants
This amends 307983b292adb60c82e75c8e5e41deedc89efbf0 to fix
building with older versions of mingw-w64.
The previously checked constant, SP_PROT_DTLS1_X_CLIENT, was
added in mingw-w64 in df36f5deda23192d0ee99ffd661ea36df924e667
in 2020, and is included in released versions since v8.0.0.
The new checked constant SECPKG_ATTR_DTLS_MTU was added in
mingw-w64 in 0792283787cca8fc27dd38671107c791c87f4db3 in 2021,
and first appeared in mingw-w64 v9.0.0.
This fixes building with mingw-w64 v8, which is the version bundled
in Ubuntu 22.04.
---
configure | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure b/configure
index 7ec4c3975b..0aa93622fe 100755
--- a/configure
+++ b/configure
@@ -7349,7 +7349,7 @@ enabled schannel &&
schannel_extralibs="-lsecur32 -lncrypt -lcrypt32" ||
disable schannel
-enabled schannel && check_cc dtls_protocol "windows.h security.h schnlsp.h" "int i = SP_PROT_DTLS1_X_CLIENT;" -DSECURITY_WIN32
+enabled schannel && check_cc dtls_protocol "windows.h security.h schnlsp.h" "int i = SECPKG_ATTR_DTLS_MTU;" -DSECURITY_WIN32
makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
enabled makeinfo \
--
2.49.1
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