Improve consistency of --enable-kernel and default builds.

2 files changed, 22 insertions, 30 deletions

diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
index 8235068a18..fe61c111be 100644
--- a/sysdeps/unix/sysv/linux/configure
+++ b/sysdeps/unix/sysv/linux/configure
@@ -331,17 +331,14 @@ $as_echo "$as_me: WARNING: minimum kernel version reset to $arch_minimum_kernel"
     minimum_kernel=$arch_minimum_kernel
   fi
 else
-  if test $arch_minimum_kernel != '2.2.0'; then
-    minimum_kernel=$arch_minimum_kernel
-  fi
+  minimum_kernel=$arch_minimum_kernel
 fi
 
-if test -n "$minimum_kernel"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for kernel header at least $minimum_kernel" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for kernel header at least $minimum_kernel" >&5
 $as_echo_n "checking for kernel header at least $minimum_kernel... " >&6; }
-  decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
-  abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
+abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <linux/version.h>
 #if LINUX_VERSION_CODE < $decnum
@@ -356,21 +353,20 @@ else
 fi
 rm -f conftest*
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_minimum_kernel" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_minimum_kernel" >&5
 $as_echo "$libc_minimum_kernel" >&6; }
-  if test "$libc_minimum_kernel" = ok; then
-    cat >>confdefs.h <<_ACEOF
+if test "$libc_minimum_kernel" = ok; then
+  cat >>confdefs.h <<_ACEOF
 #define __LINUX_KERNEL_VERSION $decnum
 _ACEOF
 
-    cat >>confdefs.h <<_ACEOF
+  cat >>confdefs.h <<_ACEOF
 #define __ABI_TAG_VERSION $abinum
 _ACEOF
 
-  else
-    as_fn_error $? "*** The available kernel headers are older than the requested
+else
+  as_fn_error $? "*** The available kernel headers are older than the requested
 *** compatible kernel version" "$LINENO" 5
-  fi
 fi
 
 # The result of the above test for the use of the FDE code is invalid if
diff --git a/sysdeps/unix/sysv/linux/configure.in b/sysdeps/unix/sysv/linux/configure.in
index 1ce14f294f..72fbe8422b 100644
--- a/sysdeps/unix/sysv/linux/configure.in
+++ b/sysdeps/unix/sysv/linux/configure.in
@@ -87,29 +87,25 @@ if test -n "$minimum_kernel"; then
     minimum_kernel=$arch_minimum_kernel
   fi
 else
-  if test $arch_minimum_kernel != '2.2.0'; then
-    minimum_kernel=$arch_minimum_kernel
-  fi
+  minimum_kernel=$arch_minimum_kernel
 fi
 
-if test -n "$minimum_kernel"; then
-  AC_MSG_CHECKING(for kernel header at least $minimum_kernel)
+AC_MSG_CHECKING(for kernel header at least $minimum_kernel)
 changequote(,)dnl
-  decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
-  abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
+decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
+abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
 changequote([,])dnl
-  AC_EGREP_CPP([eat flaming death], [#include <linux/version.h>
+AC_EGREP_CPP([eat flaming death], [#include <linux/version.h>
 #if LINUX_VERSION_CODE < $decnum
 eat flaming death
 #endif], libc_minimum_kernel='too old!', libc_minimum_kernel=ok)
-  AC_MSG_RESULT($libc_minimum_kernel)
-  if test "$libc_minimum_kernel" = ok; then
-    AC_DEFINE_UNQUOTED(__LINUX_KERNEL_VERSION, $decnum)
-    AC_DEFINE_UNQUOTED(__ABI_TAG_VERSION, $abinum)
-  else
-    AC_MSG_ERROR([*** The available kernel headers are older than the requested
+AC_MSG_RESULT($libc_minimum_kernel)
+if test "$libc_minimum_kernel" = ok; then
+  AC_DEFINE_UNQUOTED(__LINUX_KERNEL_VERSION, $decnum)
+  AC_DEFINE_UNQUOTED(__ABI_TAG_VERSION, $abinum)
+else
+  AC_MSG_ERROR([*** The available kernel headers are older than the requested
 *** compatible kernel version])
-  fi
 fi
 
 # The result of the above test for the use of the FDE code is invalid if