root@s64c:~/xmlrpc-c# cp -a /var/lib/sbopkg/SBo-git/libraries/xmlrpc-c/xmlrpc-c.SlackBuild xmlrpc-c.SlackBuild.orig
root@s64c:~/xmlrpc-c# diff -Naur ./xmlrpc-c.SlackBuild.orig ./xmlrpc-c.SlackBuild
--- ./xmlrpc-c.SlackBuild.orig  2026-03-23 10:44:20.512994656 +0100
+++ ./xmlrpc-c.SlackBuild       2026-03-29 08:26:29.469714027 +0200
@@ -82,6 +82,11 @@
 find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
         \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+
 
+sed -i \
+  -e "s|CFLAGS_COMMON\ =\ -DNDEBUG|CFLAGS_COMMON = -DNDEBUG $SLKCFLAGS -std=gnu17|" \
+  -e "s|CXXFLAGS_COMMON\ =\ -DNDEBUG|CXXFLAGS_COMMON = -DNDEBUG|" \
+  common.mk
+
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 ./configure \