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-rw-r--r--sysdeps/unix/sysv/linux/aarch64/configure1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/configure1
-rw-r--r--sysdeps/unix/sysv/linux/arc/configure1
-rw-r--r--sysdeps/unix/sysv/linux/configure66
-rw-r--r--sysdeps/unix/sysv/linux/configure.ac2
-rw-r--r--sysdeps/unix/sysv/linux/csky/configure1
-rw-r--r--sysdeps/unix/sysv/linux/i386/configure1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/configure1
-rw-r--r--sysdeps/unix/sysv/linux/loongarch/configure76
-rw-r--r--sysdeps/unix/sysv/linux/m68k/configure1
-rw-r--r--sysdeps/unix/sysv/linux/mips/configure216
-rw-r--r--sysdeps/unix/sysv/linux/mips/mips64/configure1
-rw-r--r--sysdeps/unix/sysv/linux/nios2/configure1
-rw-r--r--sysdeps/unix/sysv/linux/or1k/configure1
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/configure59
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/configure1
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc64/configure129
-rwxr-xr-xsysdeps/unix/sysv/linux/riscv/configure81
-rw-r--r--sysdeps/unix/sysv/linux/s390/configure1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/configure1
-rw-r--r--sysdeps/unix/sysv/linux/sh/configure1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/configure1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/configure1
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/64/configure1
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/configure1
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/x32/configure1
26 files changed, 376 insertions, 272 deletions
diff --git a/sysdeps/unix/sysv/linux/aarch64/configure b/sysdeps/unix/sysv/linux/aarch64/configure
index 27d50e1d3c..b872b9870c 100644
--- a/sysdeps/unix/sysv/linux/aarch64/configure
+++ b/sysdeps/unix/sysv/linux/aarch64/configure
@@ -15,3 +15,4 @@ case "$prefix" in
   fi
   ;;
 esac
+
diff --git a/sysdeps/unix/sysv/linux/alpha/configure b/sysdeps/unix/sysv/linux/alpha/configure
index 9afb5874cb..a325e35207 100644
--- a/sysdeps/unix/sysv/linux/alpha/configure
+++ b/sysdeps/unix/sysv/linux/alpha/configure
@@ -3,3 +3,4 @@
 
 # We did historically export the unwinder from glibc.
 libc_cv_gcc_unwind_find_fde=yes
+
diff --git a/sysdeps/unix/sysv/linux/arc/configure b/sysdeps/unix/sysv/linux/arc/configure
index 7c63167847..aeeb2b50b2 100644
--- a/sysdeps/unix/sysv/linux/arc/configure
+++ b/sysdeps/unix/sysv/linux/arc/configure
@@ -2,3 +2,4 @@
  # Local configure fragment for sysdeps/unix/sysv/linux/arc.
 
 arch_minimum_kernel=5.1.0
+
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
index 312055c469..70f7937333 100644
--- a/sysdeps/unix/sysv/linux/configure
+++ b/sysdeps/unix/sysv/linux/configure
@@ -7,11 +7,12 @@ if test -n "$sysheaders"; then
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking installed Linux kernel header files" >&5
-$as_echo_n "checking installed Linux kernel header files... " >&6; }
-if ${libc_cv_linux320+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking installed Linux kernel header files" >&5
+printf %s "checking installed Linux kernel header files... " >&6; }
+if test ${libc_cv_linux320+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <linux/version.h>
@@ -19,22 +20,23 @@ else
 # error kernel headers missing or too old
 #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if ac_fn_c_try_cpp "$LINENO"
+then :
   libc_cv_linux320='3.2.0 or later'
-else
+else $as_nop
   libc_cv_linux320='missing or too old!'
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_linux320" >&5
-$as_echo "$libc_cv_linux320" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_linux320" >&5
+printf "%s\n" "$libc_cv_linux320" >&6; }
 if test "$libc_cv_linux320" != '3.2.0 or later'; then
   as_fn_error $? "GNU libc requires kernel header files from
 Linux 3.2.0 or later to be installed before configuring.
@@ -59,16 +61,16 @@ if test -n "$minimum_kernel"; then
   arch_version=$((`echo "$arch_minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1 \* 65536 + \2 \* 256 + \3/'`))
 
   if test $user_version -lt $arch_version; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&5
-$as_echo "$as_me: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&2;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&5
+printf "%s\n" "$as_me: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&2;}
     minimum_kernel=$arch_minimum_kernel
   fi
 else
   minimum_kernel=$arch_minimum_kernel
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for kernel header at least $minimum_kernel" >&5
-$as_echo_n "checking for kernel header at least $minimum_kernel... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for kernel header at least $minimum_kernel" >&5
+printf %s "checking for kernel header at least $minimum_kernel... " >&6; }
 decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
 abinumstr=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1.\2.\3/'`;
 abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
@@ -79,33 +81,28 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 # error kernel headers too old
 #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if ac_fn_c_try_cpp "$LINENO"
+then :
   libc_minimum_kernel=ok
-else
+else $as_nop
   libc_minimum_kernel='too old!'
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_minimum_kernel" >&5
-$as_echo "$libc_minimum_kernel" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_minimum_kernel" >&5
+printf "%s\n" "$libc_minimum_kernel" >&6; }
 if test "$libc_minimum_kernel" = ok; then
-  cat >>confdefs.h <<_ACEOF
-#define __LINUX_KERNEL_VERSION $decnum
-_ACEOF
+  printf "%s\n" "#define __LINUX_KERNEL_VERSION $decnum" >>confdefs.h
 
-  cat >>confdefs.h <<_ACEOF
-#define __LINUX_KERNEL_VERSION_STR "$abinumstr"
-_ACEOF
+  printf "%s\n" "#define __LINUX_KERNEL_VERSION_STR \"$abinumstr\"" >>confdefs.h
 
-  cat >>confdefs.h <<_ACEOF
-#define __ABI_TAG_VERSION $abinum
-_ACEOF
+  printf "%s\n" "#define __ABI_TAG_VERSION $abinum" >>confdefs.h
 
 else
   as_fn_error $? "*** The available kernel headers are older than the requested
@@ -145,8 +142,8 @@ if test $host = $build; then
   else
     ac_prefix=$ac_default_prefix
   fi
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for symlinks in ${ac_prefix}/include" >&5
-$as_echo_n "checking for symlinks in ${ac_prefix}/include... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for symlinks in ${ac_prefix}/include" >&5
+printf %s "checking for symlinks in ${ac_prefix}/include... " >&6; }
   ac_message=
   if test -L ${ac_prefix}/include/net; then
     ac_message="$ac_message
@@ -158,15 +155,16 @@ $as_echo_n "checking for symlinks in ${ac_prefix}/include... " >&6; }
   fi
   if test -n "$ac_message"; then
     as_fn_error $? "$ac_message
-\`make install' will destroy the target of the link(s).
+'make install' will destroy the target of the link(s).
 Delete the links and re-run configure, or better still, move the entire
 ${ac_prefix}/include directory out of the way." "$LINENO" 5
   else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
-$as_echo "ok" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ok" >&5
+printf "%s\n" "ok" >&6; }
   fi
 fi
 
 # We have inlined syscalls.
-$as_echo "#define HAVE_INLINED_SYSCALLS 1" >>confdefs.h
+printf "%s\n" "#define HAVE_INLINED_SYSCALLS 1" >>confdefs.h
+
 
diff --git a/sysdeps/unix/sysv/linux/configure.ac b/sysdeps/unix/sysv/linux/configure.ac
index 5896d1135b..c177e082a9 100644
--- a/sysdeps/unix/sysv/linux/configure.ac
+++ b/sysdeps/unix/sysv/linux/configure.ac
@@ -112,7 +112,7 @@ if test $host = $build; then
   fi
   if test -n "$ac_message"; then
     AC_MSG_ERROR([$ac_message
-\`make install' will destroy the target of the link(s).
+'make install' will destroy the target of the link(s).
 Delete the links and re-run configure, or better still, move the entire
 ${ac_prefix}/include directory out of the way.])
   else
diff --git a/sysdeps/unix/sysv/linux/csky/configure b/sysdeps/unix/sysv/linux/csky/configure
index b36cee5b7b..47d720e215 100644
--- a/sysdeps/unix/sysv/linux/csky/configure
+++ b/sysdeps/unix/sysv/linux/csky/configure
@@ -2,3 +2,4 @@
  # Local configure fragment for sysdeps/unix/sysv/linux/csky
 
 arch_minimum_kernel=4.20.0
+
diff --git a/sysdeps/unix/sysv/linux/i386/configure b/sysdeps/unix/sysv/linux/i386/configure
index 351d82355a..748c092d13 100644
--- a/sysdeps/unix/sysv/linux/i386/configure
+++ b/sysdeps/unix/sysv/linux/i386/configure
@@ -2,3 +2,4 @@
  # Local configure fragment for sysdeps/unix/sysv/linux/i386.
 
 libc_cv_gcc_unwind_find_fde=yes
+
diff --git a/sysdeps/unix/sysv/linux/ia64/configure b/sysdeps/unix/sysv/linux/ia64/configure
index 3cf72371ef..dccf117c96 100644
--- a/sysdeps/unix/sysv/linux/ia64/configure
+++ b/sysdeps/unix/sysv/linux/ia64/configure
@@ -6,3 +6,4 @@ ldd_rewrite_script=$dir/ldd-rewrite.sed
 # First version with support for the accept4 system call.
 # Linux 3.3 includes it as well.
 arch_minimum_kernel=3.2.18
+
diff --git a/sysdeps/unix/sysv/linux/loongarch/configure b/sysdeps/unix/sysv/linux/loongarch/configure
index 28216c165e..0d1159e923 100644
--- a/sysdeps/unix/sysv/linux/loongarch/configure
+++ b/sysdeps/unix/sysv/linux/loongarch/configure
@@ -6,11 +6,12 @@ arch_minimum_kernel=5.19.0
 libc_cv_loongarch_int_abi=no
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if ${ac_cv_path_GREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+printf %s "checking for grep that handles long lines and -e... " >&6; }
+if test ${ac_cv_path_GREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -z "$GREP"; then
   ac_path_GREP_found=false
   # Loop through the user's path and test for each of PROGNAME-LIST
@@ -18,10 +19,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in grep ggrep; do
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in grep ggrep
+   do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
@@ -30,13 +36,13 @@ case `"$ac_path_GREP" --version 2>&1` in
   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'GREP' >> "conftest.nl"
+    printf "%s\n" 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -64,16 +70,17 @@ else
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+printf "%s\n" "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+printf %s "checking for egrep... " >&6; }
+if test ${ac_cv_path_EGREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
@@ -84,10 +91,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in egrep; do
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in egrep
+   do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
@@ -96,13 +108,13 @@ case `"$ac_path_EGREP" --version 2>&1` in
   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'EGREP' >> "conftest.nl"
+    printf "%s\n" 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -131,8 +143,8 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+printf "%s\n" "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
@@ -142,10 +154,11 @@ __SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "4 8 8" >/dev/null 2>&1; then :
+  $EGREP "4 8 8" >/dev/null 2>&1
+then :
   libc_cv_loongarch_int_abi=lp64
 fi
-rm -f conftest*
+rm -rf conftest*
 
 if test $libc_cv_loongarch_int_abi = no; then
   as_fn_error $? "Unable to determine integer ABI" "$LINENO" 5
@@ -160,10 +173,11 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then :
+  $EGREP "yes" >/dev/null 2>&1
+then :
   libc_cv_loongarch_float_abi=d
 fi
-rm -f conftest*
+rm -rf conftest*
 
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -173,10 +187,11 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then :
+  $EGREP "yes" >/dev/null 2>&1
+then :
   libc_cv_loongarch_float_abi=s
 fi
-rm -f conftest*
+rm -rf conftest*
 
 if test "$libc_cv_loongarch_float_abi" = no; then
   as_fn_error $? "Unable to determine floating-point ABI" "$LINENO" 5
@@ -217,3 +232,4 @@ esac
 esac
 
 ldd_rewrite_script=sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed
+
diff --git a/sysdeps/unix/sysv/linux/m68k/configure b/sysdeps/unix/sysv/linux/m68k/configure
index aa295f80cb..6d978ab2eb 100644
--- a/sysdeps/unix/sysv/linux/m68k/configure
+++ b/sysdeps/unix/sysv/linux/m68k/configure
@@ -6,3 +6,4 @@ m68k/coldfire)
   libc_cv_gcc_unwind_find_fde=yes
   ;;
 esac
+
diff --git a/sysdeps/unix/sysv/linux/mips/configure b/sysdeps/unix/sysv/linux/mips/configure
index f25f2a3a65..a060901de4 100644
--- a/sysdeps/unix/sysv/linux/mips/configure
+++ b/sysdeps/unix/sysv/linux/mips/configure
@@ -9,16 +9,17 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
     #error Not O32 ABI
     #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_mips_abi=o32
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -26,16 +27,17 @@ else
       #error Not N32 ABI
       #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_mips_abi=n32
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -43,21 +45,22 @@ else
         #error Not 64 ABI
         #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_mips_abi=n64
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 if test -z "$libc_mips_abi"; then
   as_fn_error $? "could not determine what ABI the compiler is using" "$LINENO" 5
@@ -70,16 +73,17 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
     #error Not soft ABI
     #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_mips_float=soft
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -87,19 +91,20 @@ else
       #error Not hard ABI
       #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_mips_float=hard
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 if test -z "$libc_mips_float"; then
   as_fn_error $? "could not determine if compiler is using hard or soft floating point ABI" "$LINENO" 5
@@ -117,14 +122,15 @@ if test x"$libc_mips_abi" = xo32 -a x"$libc_mips_float" = xhard; then
       #error Missing FPR sizes
       #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -132,16 +138,17 @@ if ac_fn_c_try_compile "$LINENO"; then :
         #error Not FP32
         #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_mips_o32_fp=32
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -149,16 +156,17 @@ else
           #error Not FPXX (without odd single-precision registers)
           #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_mips_o32_fp=xx
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -166,16 +174,17 @@ else
             #error Not FPXX (with odd single precision registers)
             #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_mips_o32_fp=xxo
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -183,16 +192,17 @@ else
               #error Not FP64A
               #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_mips_o32_fp=64a
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -200,46 +210,49 @@ else
                 #error Not FP64
                 #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_mips_o32_fp=64
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
   if { ac_try='${CC-cc} -mfp64 -xc /dev/null -S -o /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
   libc_cv_mips_fp64=yes
-else
+else $as_nop
   libc_cv_mips_fp64=no
 fi
   if { ac_try='${CC-cc} -Werror -modd-spreg -xc /dev/null -S -o /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
   libc_cv_mips_modd_spreg=yes
-else
+else $as_nop
   libc_cv_mips_modd_spreg=no
 fi
 fi
@@ -258,28 +271,30 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
     #error New prctl support for setting FP modes not found
     #endif
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_mips_mode_switch=yes
-else
+else $as_nop
   libc_mips_mode_switch=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 config_vars="$config_vars
 mips-mode-switch = ${libc_mips_mode_switch}"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if ${ac_cv_path_GREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+printf %s "checking for grep that handles long lines and -e... " >&6; }
+if test ${ac_cv_path_GREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -z "$GREP"; then
   ac_path_GREP_found=false
   # Loop through the user's path and test for each of PROGNAME-LIST
@@ -287,10 +302,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in grep ggrep; do
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in grep ggrep
+   do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
@@ -299,13 +319,13 @@ case `"$ac_path_GREP" --version 2>&1` in
   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'GREP' >> "conftest.nl"
+    printf "%s\n" 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -333,16 +353,17 @@ else
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+printf "%s\n" "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+printf %s "checking for egrep... " >&6; }
+if test ${ac_cv_path_EGREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
@@ -353,10 +374,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in egrep; do
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in egrep
+   do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
@@ -365,13 +391,13 @@ case `"$ac_path_EGREP" --version 2>&1` in
   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'EGREP' >> "conftest.nl"
+    printf "%s\n" 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -400,16 +426,17 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+printf "%s\n" "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler is using the 2008 NaN encoding" >&5
-$as_echo_n "checking whether the compiler is using the 2008 NaN encoding... " >&6; }
-if ${libc_cv_mips_nan2008+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler is using the 2008 NaN encoding" >&5
+printf %s "checking whether the compiler is using the 2008 NaN encoding... " >&6; }
+if test ${libc_cv_mips_nan2008+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 dnl
@@ -418,16 +445,17 @@ yes
 #endif
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then :
+  $EGREP "yes" >/dev/null 2>&1
+then :
   libc_cv_mips_nan2008=yes
-else
+else $as_nop
   libc_cv_mips_nan2008=no
 fi
-rm -f conftest*
+rm -rf conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mips_nan2008" >&5
-$as_echo "$libc_cv_mips_nan2008" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mips_nan2008" >&5
+printf "%s\n" "$libc_cv_mips_nan2008" >&6; }
 
 libc_mips_nan=
 if test x"$libc_cv_mips_nan2008" = xyes; then
@@ -482,11 +510,12 @@ fi
 # NOTE: The check below assumes that in absence of user-provided minimum_kernel
 # we will default to arch_minimum_kernel which is currently less than 4.8.0 for
 # all known configurations. If this changes, the check must be updated.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler must use executable stack" >&5
-$as_echo_n "checking whether the compiler must use executable stack... " >&6; }
-if ${libc_cv_mips_force_execstack+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler must use executable stack" >&5
+printf %s "checking whether the compiler must use executable stack... " >&6; }
+if test ${libc_cv_mips_force_execstack+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   libc_cv_mips_force_execstack=no
   if test $libc_mips_float = hard; then
     if test -n "$minimum_kernel"; then
@@ -501,18 +530,19 @@ else
     fi
   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mips_force_execstack" >&5
-$as_echo "$libc_cv_mips_force_execstack" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mips_force_execstack" >&5
+printf "%s\n" "$libc_cv_mips_force_execstack" >&6; }
 
 libc_mips_has_gnustack=$libc_cv_as_noexecstack
 
 if test $libc_cv_mips_force_execstack = yes; then
   libc_mips_has_gnustack=no
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: forcing executable stack for pre-4.8.0 Linux kernels" >&5
-$as_echo "$as_me: WARNING: forcing executable stack for pre-4.8.0 Linux kernels" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: forcing executable stack for pre-4.8.0 Linux kernels" >&5
+printf "%s\n" "$as_me: WARNING: forcing executable stack for pre-4.8.0 Linux kernels" >&2;}
 fi
 
 config_vars="$config_vars
 mips-force-execstack = ${libc_cv_mips_force_execstack}"
 config_vars="$config_vars
 mips-has-gnustack = ${libc_mips_has_gnustack}"
+
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/configure b/sysdeps/unix/sysv/linux/mips/mips64/configure
index 26bed649db..d795c0bc08 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/configure
+++ b/sysdeps/unix/sysv/linux/mips/mips64/configure
@@ -2,3 +2,4 @@
  # Local configure fragment for sysdeps/unix/sysv/linux/mips/mips64.
 
 ldd_rewrite_script=$dir/ldd-rewrite.sed
+
diff --git a/sysdeps/unix/sysv/linux/nios2/configure b/sysdeps/unix/sysv/linux/nios2/configure
index 56b710792e..8d80166c4d 100644
--- a/sysdeps/unix/sysv/linux/nios2/configure
+++ b/sysdeps/unix/sysv/linux/nios2/configure
@@ -2,3 +2,4 @@
  # Local configure fragment for sysdeps/unix/sysv/linux/nios2.
 
 arch_minimum_kernel=3.19.0
+
diff --git a/sysdeps/unix/sysv/linux/or1k/configure b/sysdeps/unix/sysv/linux/or1k/configure
index 5225dfea5b..fed11fa453 100644
--- a/sysdeps/unix/sysv/linux/or1k/configure
+++ b/sysdeps/unix/sysv/linux/or1k/configure
@@ -2,3 +2,4 @@
  # Local configure fragment for sysdeps/unix/sysv/linux/or1k.
 
 arch_minimum_kernel=5.4.0
+
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 84a39495f0..d6d091a4c2 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -2,18 +2,19 @@
  # Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
-$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
-if ${libc_cv_mlong_double_128ibm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
+printf %s "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
+if test ${libc_cv_mlong_double_128ibm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -mlong-double-128"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <float.h>
 int
-main ()
+main (void)
 {
 
 #if LDBL_MANT_DIG != 106
@@ -24,30 +25,32 @@ long double foobar (long double x) { return x; }
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_cv_mlong_double_128ibm=yes
-else
+else $as_nop
   libc_cv_mlong_double_128ibm=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 CFLAGS="$save_CFLAGS"
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
-$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
+printf "%s\n" "$libc_cv_mlong_double_128ibm" >&6; }
 
 if test "$libc_cv_mlong_double_128ibm" = no; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS supports -mabi=ibmlongdouble" >&5
-$as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6; }
-if ${libc_cv_mabi_ibmlongdouble+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS supports -mabi=ibmlongdouble" >&5
+printf %s "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6; }
+if test ${libc_cv_mabi_ibmlongdouble+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
     save_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <float.h>
 int
-main ()
+main (void)
 {
 
 #if LDBL_MANT_DIG != 106
@@ -58,16 +61,17 @@ long double foobar (long double x) { return x; }
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_cv_mabi_ibmlongdouble=yes
-else
+else $as_nop
   libc_cv_mabi_ibmlongdouble=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   CFLAGS="$save_CFLAGS"
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
-$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
+printf "%s\n" "$libc_cv_mabi_ibmlongdouble" >&6; }
 
   if test "$libc_cv_mabi_ibmlongdouble" = yes; then
     CFLAGS="$CFLAGS -mabi=ibmlongdouble"
@@ -76,8 +80,8 @@ $as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
   fi
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --no-tls-get-addr-optimize" >&5
-$as_echo_n "checking for linker that supports --no-tls-get-addr-optimize... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker that supports --no-tls-get-addr-optimize" >&5
+printf %s "checking for linker that supports --no-tls-get-addr-optimize... " >&6; }
 libc_linker_feature=no
 cat > conftest.c <<EOF
 int _start (void) { return 42; }
@@ -89,7 +93,7 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then
   if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--no-tls-get-addr-optimize -nostdlib \
@@ -106,9 +110,10 @@ if test $libc_linker_feature = yes; then
 else
   libc_cv_tls_get_addr_optimize=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
-$as_echo "$libc_linker_feature" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+printf "%s\n" "$libc_linker_feature" >&6; }
 config_vars="$config_vars
 have-tls-get-addr-optimize = $libc_cv_tls_get_addr_optimize"
 
 ldd_rewrite_script=sysdeps/unix/sysv/linux/powerpc/ldd-rewrite.sed
+
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/configure b/sysdeps/unix/sysv/linux/powerpc/powerpc32/configure
index eb58187ff4..fa420ed36d 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/configure
@@ -2,3 +2,4 @@
  # Local configure fragment for sysdeps/unix/sysv/linux/powerpc/powerpc32.
 
 libc_cv_gcc_unwind_find_fde=yes
+
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure
index ae7f254da4..cf1b70c745 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure
@@ -17,11 +17,12 @@ esac
 # Define default-abi according to compiler flags.
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if ${ac_cv_path_GREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+printf %s "checking for grep that handles long lines and -e... " >&6; }
+if test ${ac_cv_path_GREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -z "$GREP"; then
   ac_path_GREP_found=false
   # Loop through the user's path and test for each of PROGNAME-LIST
@@ -29,10 +30,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in grep ggrep; do
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in grep ggrep
+   do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
@@ -41,13 +47,13 @@ case `"$ac_path_GREP" --version 2>&1` in
   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'GREP' >> "conftest.nl"
+    printf "%s\n" 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -75,16 +81,17 @@ else
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+printf "%s\n" "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+printf %s "checking for egrep... " >&6; }
+if test ${ac_cv_path_EGREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
@@ -95,10 +102,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in egrep; do
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in egrep
+   do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
@@ -107,13 +119,13 @@ case `"$ac_path_EGREP" --version 2>&1` in
   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'EGREP' >> "conftest.nl"
+    printf "%s\n" 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -142,16 +154,17 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+printf "%s\n" "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler is using the PowerPC64 ELFv2 ABI" >&5
-$as_echo_n "checking whether the compiler is using the PowerPC64 ELFv2 ABI... " >&6; }
-if ${libc_cv_ppc64_elfv2_abi+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler is using the PowerPC64 ELFv2 ABI" >&5
+printf %s "checking whether the compiler is using the PowerPC64 ELFv2 ABI... " >&6; }
+if test ${libc_cv_ppc64_elfv2_abi+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #if _CALL_ELF == 2
@@ -160,31 +173,33 @@ else
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then :
+  $EGREP "yes" >/dev/null 2>&1
+then :
   libc_cv_ppc64_elfv2_abi=yes
-else
+else $as_nop
   libc_cv_ppc64_elfv2_abi=no
 fi
-rm -f conftest*
+rm -rf conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc64_elfv2_abi" >&5
-$as_echo "$libc_cv_ppc64_elfv2_abi" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc64_elfv2_abi" >&5
+printf "%s\n" "$libc_cv_ppc64_elfv2_abi" >&6; }
 if test $libc_cv_ppc64_elfv2_abi = yes; then
   config_vars="$config_vars
 default-abi = 64-v2"
   # For shlib-versions.
-  $as_echo "#define HAVE_ELFV2_ABI 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_ELFV2_ABI 1" >>confdefs.h
 
 else
   config_vars="$config_vars
 default-abi = 64-v1"
   # Compiler that do not support ELFv2 ABI does not define _CALL_ELF
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler defines _CALL_ELF" >&5
-$as_echo_n "checking whether the compiler defines _CALL_ELF... " >&6; }
-if ${libc_cv_ppc64_def_call_elf+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler defines _CALL_ELF" >&5
+printf %s "checking whether the compiler defines _CALL_ELF... " >&6; }
+if test ${libc_cv_ppc64_def_call_elf+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef _CALL_ELF
@@ -193,26 +208,28 @@ else
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then :
+  $EGREP "yes" >/dev/null 2>&1
+then :
   libc_cv_ppc64_def_call_elf=yes
-else
+else $as_nop
   libc_cv_ppc64_def_call_elf=no
 fi
-rm -f conftest*
+rm -rf conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc64_def_call_elf" >&5
-$as_echo "$libc_cv_ppc64_def_call_elf" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc64_def_call_elf" >&5
+printf "%s\n" "$libc_cv_ppc64_def_call_elf" >&6; }
   if test $libc_cv_ppc64_def_call_elf = no; then
     libc_extra_cppflags="$libc_extra_cppflags -D_CALL_ELF=1"
   fi
 fi
 # Set minimum kernel version for ppc64le.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the machine type to set minimum kernel version" >&5
-$as_echo_n "checking the machine type to set minimum kernel version... " >&6; }
-if ${libc_cv_ppc64_le+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking the machine type to set minimum kernel version" >&5
+printf %s "checking the machine type to set minimum kernel version... " >&6; }
+if test ${libc_cv_ppc64_le+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
@@ -221,13 +238,15 @@ else
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then :
+  $EGREP "yes" >/dev/null 2>&1
+then :
   arch_minimum_kernel=3.10.0
-else
+else $as_nop
   libc_cv_ppc64_le=no
 fi
-rm -f conftest*
+rm -rf conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc64_le" >&5
-$as_echo "$libc_cv_ppc64_le" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc64_le" >&5
+printf "%s\n" "$libc_cv_ppc64_le" >&6; }
+
diff --git a/sysdeps/unix/sysv/linux/riscv/configure b/sysdeps/unix/sysv/linux/riscv/configure
index 33139618e7..79bf5efa25 100755
--- a/sysdeps/unix/sysv/linux/riscv/configure
+++ b/sysdeps/unix/sysv/linux/riscv/configure
@@ -6,11 +6,12 @@ arch_minimum_kernel=4.15.0
 libc_cv_riscv_int_abi=no
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if ${ac_cv_path_GREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+printf %s "checking for grep that handles long lines and -e... " >&6; }
+if test ${ac_cv_path_GREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -z "$GREP"; then
   ac_path_GREP_found=false
   # Loop through the user's path and test for each of PROGNAME-LIST
@@ -18,10 +19,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in grep ggrep; do
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in grep ggrep
+   do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
@@ -30,13 +36,13 @@ case `"$ac_path_GREP" --version 2>&1` in
   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'GREP' >> "conftest.nl"
+    printf "%s\n" 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -64,16 +70,17 @@ else
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+printf "%s\n" "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+printf %s "checking for egrep... " >&6; }
+if test ${ac_cv_path_EGREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
@@ -84,10 +91,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in egrep; do
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in egrep
+   do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
@@ -96,13 +108,13 @@ case `"$ac_path_EGREP" --version 2>&1` in
   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'EGREP' >> "conftest.nl"
+    printf "%s\n" 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -131,8 +143,8 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+printf "%s\n" "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
@@ -142,10 +154,11 @@ __SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "4 8 8" >/dev/null 2>&1; then :
+  $EGREP "4 8 8" >/dev/null 2>&1
+then :
   libc_cv_riscv_int_abi=lp64
 fi
-rm -f conftest*
+rm -rf conftest*
 
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -153,10 +166,11 @@ __SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "4 4 4" >/dev/null 2>&1; then :
+  $EGREP "4 4 4" >/dev/null 2>&1
+then :
   libc_cv_riscv_int_abi=ilp32
 fi
-rm -f conftest*
+rm -rf conftest*
 
 if test $libc_cv_riscv_int_abi = no; then
   as_fn_error $? "Unable to determine integer ABI" "$LINENO" 5
@@ -175,10 +189,11 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then :
+  $EGREP "yes" >/dev/null 2>&1
+then :
   libc_cv_riscv_float_abi=d
 fi
-rm -f conftest*
+rm -rf conftest*
 
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -188,10 +203,11 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "yes" >/dev/null 2>&1; then :
+  $EGREP "yes" >/dev/null 2>&1
+then :
   libc_cv_riscv_float_abi=
 fi
-rm -f conftest*
+rm -rf conftest*
 
 if test "$libc_cv_riscv_float_abi" = no; then
   as_fn_error $? "Unable to determine floating-point ABI" "$LINENO" 5
@@ -260,3 +276,4 @@ esac
 esac
 
 ldd_rewrite_script=sysdeps/unix/sysv/linux/riscv/ldd-rewrite.sed
+
diff --git a/sysdeps/unix/sysv/linux/s390/configure b/sysdeps/unix/sysv/linux/s390/configure
index 1d735d7b9c..d8a14434c5 100644
--- a/sysdeps/unix/sysv/linux/s390/configure
+++ b/sysdeps/unix/sysv/linux/s390/configure
@@ -3,3 +3,4 @@
 
 libc_cv_gcc_unwind_find_fde=yes
 ldd_rewrite_script=sysdeps/unix/sysv/linux/s390/ldd-rewrite.sed
+
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/configure b/sysdeps/unix/sysv/linux/s390/s390-64/configure
index e8e84362d4..5490bc669e 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/configure
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/configure
@@ -13,3 +13,4 @@ case "$prefix" in
   fi
   ;;
 esac
+
diff --git a/sysdeps/unix/sysv/linux/sh/configure b/sysdeps/unix/sysv/linux/sh/configure
index 6c31f5e249..f2a8e56a37 100644
--- a/sysdeps/unix/sysv/linux/sh/configure
+++ b/sysdeps/unix/sysv/linux/sh/configure
@@ -2,3 +2,4 @@
  # Local configure fragment for sysdeps/unix/sysv/linux/sh.
 
 libc_cv_gcc_unwind_find_fde=yes
+
diff --git a/sysdeps/unix/sysv/linux/sparc/configure b/sysdeps/unix/sysv/linux/sparc/configure
index 00fb21e156..e2fd59f66d 100644
--- a/sysdeps/unix/sysv/linux/sparc/configure
+++ b/sysdeps/unix/sysv/linux/sparc/configure
@@ -3,3 +3,4 @@
 
 libc_cv_gcc_unwind_find_fde=yes
 ldd_rewrite_script=sysdeps/unix/sysv/linux/sparc/ldd-rewrite.sed
+
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/configure b/sysdeps/unix/sysv/linux/sparc/sparc64/configure
index 4b92a40bd2..f09553588c 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/configure
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/configure
@@ -13,3 +13,4 @@ case "$prefix" in
   fi
   ;;
 esac
+
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/configure b/sysdeps/unix/sysv/linux/x86_64/64/configure
index 9d298faba7..2613d3af4f 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/configure
+++ b/sysdeps/unix/sysv/linux/x86_64/64/configure
@@ -13,3 +13,4 @@ case "$prefix" in
   fi
   ;;
 esac
+
diff --git a/sysdeps/unix/sysv/linux/x86_64/configure b/sysdeps/unix/sysv/linux/x86_64/configure
index cb904876ab..fbf0c40e37 100644
--- a/sysdeps/unix/sysv/linux/x86_64/configure
+++ b/sysdeps/unix/sysv/linux/x86_64/configure
@@ -2,3 +2,4 @@
  # Local configure fragment for sysdeps/unix/sysv/linux/x86_64.
 
 ldd_rewrite_script=sysdeps/unix/sysv/linux/x86_64/ldd-rewrite.sed
+
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/configure b/sysdeps/unix/sysv/linux/x86_64/x32/configure
index 4837a308ce..bf64c333e1 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/configure
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/configure
@@ -15,3 +15,4 @@ case "$prefix" in
   fi
   ;;
 esac
+