From: Santiago Vila <sanvila@debian.org>
Subject: Fix build with gcc-14
Bug-Debian: https://bugs.debian.org/1075706
X-Debian-version: 3.0-14

--- a/unix/configure
+++ b/unix/configure
@@ -514,14 +514,16 @@
   echo Check for $func
   echo "int main(){ $func(); return 0; }" > conftest.c
   $CC $BFLAG -o conftest conftest.c >/dev/null 2>/dev/null
-  [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_`echo $func | tr '[a-z]' '[A-Z]'`"
+# glibc-based systems do not need this
+# [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_`echo $func | tr '[a-z]' '[A-Z]'`"
 done
 
 
 echo Check for memset
 echo "int main(){ char k; memset(&k,0,0); return 0; }" > conftest.c
 $CC -o conftest conftest.c >/dev/null 2>/dev/null
-[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DZMEM"
+# glibc-based systems do not need this
+# [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DZMEM"
 
 
 echo Check for memmove
@@ -551,7 +553,8 @@
 }
 _EOF_
 $CC $CFLAGS -c conftest.c >/dev/null 2>/dev/null
-[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_ERRNO"
+# glibc-based systems do not need this
+# [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_ERRNO"
 
 
 echo Check for directory libraries
@@ -567,7 +570,8 @@
     $CC -o conftest conftest.c -l$lib >/dev/null 2>/dev/null
     [ $? -eq 0 ] && OPT=-l$lib && break
   done
-  if [ ${OPT} ]; then
+  # glibc-based systems do not need this
+  if true; then
     LFLAGS2="${LFLAGS2} ${OPT}"
   else
     CFLAGS="${CFLAGS} -DNO_DIR"
@@ -629,7 +633,8 @@
 }
 _EOF_
 $CC ${CFLAGS} -c conftest.c > /dev/null 2>/dev/null
-[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_VALLOC"
+# glibc-based systems do not need this
+# [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_VALLOC"
 
 
 echo Check for /usr/local/bin and /usr/local/man