PR #20536 opened by Timo Rothenpieler (BtbN)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20536
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20536.patch
This way `./configure --cc=x86_64-pc-linux-gnu-clang` and the like will do
something sensible, same for variants of gcc.
>From 93c3dee02af15a3c3ec51a6e05712fb18f9867a9 Mon Sep 17 00:00:00 2001
From: Timo Rothenpieler <t...@rothenpieler.org>
Date: Tue, 16 Sep 2025 22:47:26 +0200
Subject: [PATCH] configure: pick more sensible cxx_default if user provided
custom cc
---
configure | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/configure b/configure
index 8def62a5d9..9b19bb13e2 100755
--- a/configure
+++ b/configure
@@ -4811,6 +4811,7 @@ fi
set_default target_os
if test "$target_os" = android; then
cc_default="clang"
+ cxx_default="clang++"
fi
ar_default="${cross_prefix}${ar_default}"
@@ -4822,6 +4823,18 @@ ranlib_default="${cross_prefix}${ranlib_default}"
strip_default="${cross_prefix}${strip_default}"
windres_default="${cross_prefix}${windres_default}"
+case "$cc" in
+ *gcc*)
+ cxx_default="$(echo "$cc" | sed 's/\(.*\)gcc/\1g++/')"
+ ;;
+ *clang*)
+ cxx_default="$(echo "$cc" | sed 's/\(.*\)clang/\1clang++/')"
+ ;;
+ *cl.exe|*cl|*icl)
+ cxx_default="$cc"
+ ;;
+esac
+
sysinclude_default="${sysroot}/usr/include"
if enabled cuda_sdk; then
--
2.49.1
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