# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1766155757 -3600
# Node ID bf72a35a8313707c66d241b0b262bc9b01924537
# Parent  5e961d92f655b5be9239abfae3fa3531990a66bf# Parent  e7c12b47e6c4fb190d2deac6f3be2744e1fea9bf
merge

diff -r 5e961d92f655 -r bf72a35a8313 OrthancFramework/Resources/CMake/LibCurlConfiguration.cmake
--- a/OrthancFramework/Resources/CMake/LibCurlConfiguration.cmake	Fri Dec 19 15:49:06 2025 +0100
+++ b/OrthancFramework/Resources/CMake/LibCurlConfiguration.cmake	Fri Dec 19 15:49:17 2025 +0100
@@ -113,9 +113,10 @@
       SET(TMP_OS "x86")
     endif()
 
+    # _GNU_SOURCE is required for accept4(), pipe2(), sendmmsg()
     set_property(
       SOURCE ${CURL_SOURCES} APPEND
-      PROPERTY COMPILE_DEFINITIONS "HAVE_CONFIG_H=1;OS=\"${TMP_OS}\""
+      PROPERTY COMPILE_DEFINITIONS "HAVE_CONFIG_H=1;OS=\"${TMP_OS}\";_GNU_SOURCE"
       )
 
     if(CMAKE_C_COMPILER_TARGET)