[FFmpeg-devel] [PATCH] configure: remove -lm and -lpthread from glslang linking (PR #20758)

[FFmpeg-devel] [PATCH] configure: remove -lm and -lpthread from glslang linking (PR #20758)

[Kacper Michajłow via ffmpeg-devel]

PR #20758 opened by Kacper Michajłow (kasper93)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20758
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20758.patch

Fixes use of libglslang on platforms without pthreads. Threads are
already added before any dependencies checks, same as lm.


From 4c668b828bf69fe67ec3a2e0b9148629de05ef97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <kasper93@gmail.com>
Date: Mon, 27 Oct 2025 02:11:02 +0100
Subject: [PATCH] configure: remove -lm and -lpthread from glslang linking
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fixes use of libglslang on platforms without pthreads. Threads are
already added before any dependencies checks, same as lm.

Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
---
 configure | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index 764bbb0001..26704ba449 100755
--- a/configure
+++ b/configure
@@ -7136,10 +7136,10 @@ if enabled libglslang; then
     require_headers "glslang/build_info.h" && { test_cpp_condition glslang/build_info.h "GLSLANG_VERSION_MAJOR >= 16" && spvremap="" ; }
     check_lib spirv_compiler glslang/Include/glslang_c_interface.h glslang_initialize_process \
                             -lglslang -lMachineIndependent -lGenericCodeGen \
-                            ${spvremap} -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools -lpthread -lstdc++ -lm ||
+                            ${spvremap} -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools -lstdc++ ||
                         require spirv_compiler glslang/Include/glslang_c_interface.h glslang_initialize_process \
                             -lglslang -lMachineIndependent -lOSDependent -lHLSL -lOGLCompiler -lGenericCodeGen \
-                            ${spvremap} -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools -lpthread -lstdc++ -lm ;
+                            ${spvremap} -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools -lstdc++ ;
 fi
 enabled libgme            && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
                                require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
-- 
2.49.1

_______________________________________________
ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org
To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org