zbd: Fix zone report handling

[fio.git] / configure

diff --git a/configure b/configure
index c4fffd998c93ea23a5d957c58f1f959a442d88f6..3c882f0f4a5de5eda8e1a65680ff797cd07d4d36 100755 (executable)
--- a/configure
+++ b/configure
@@ -2312,6 +2312,44 @@ if compile_prog "" "" "__kernel_rwf_t"; then
 fi
 print_config "__kernel_rwf_t" "$__kernel_rwf_t"
 
+##########################################
+# check if gcc has -Wimplicit-fallthrough
+fallthrough="no"
+cat > $TMPC << EOF
+int main(int argc, char **argv)
+{
+  return 0;
+}
+EOF
+if compile_prog "-Wimplicit-fallthrough" "" "-Wimplicit-fallthrough"; then
+  fallthrough="yes"
+fi
+print_config "-Wimplicit-fallthrough" "$fallthrough"
+
+##########################################
+# check for MADV_HUGEPAGE support
+if test "$thp" != "yes" ; then
+  thp="no"
+fi
+if test "$esx" != "yes" ; then
+  cat > $TMPC <<EOF
+#include <sys/mman.h>
+int main(void)
+{
+  return madvise(0, 0x1000, MADV_HUGEPAGE);
+}
+EOF
+  if compile_prog "" "" "thp" ; then
+    thp=yes
+  else
+    if test "$thp" = "yes" ; then
+      feature_not_found "Transparent Huge Page" ""
+    fi
+    thp=no
+  fi
+fi
+print_config "MADV_HUGEPAGE" "$thp"
+
 #############################################################################
 
 if test "$wordsize" = "64" ; then
@@ -2583,6 +2621,12 @@ fi
 if test "$__kernel_rwf_t" = "yes"; then
   output_sym "CONFIG_HAVE_KERNEL_RWF_T"
 fi
+if test "$fallthrough" = "yes"; then
+  CFLAGS="$CFLAGS -Wimplicit-fallthrough"
+fi
+if test "$thp" = "yes" ; then
+  output_sym "CONFIG_HAVE_THP"
+fi
 
 echo "LIBS+=$LIBS" >> $config_host_mak
 echo "GFIO_LIBS+=$GFIO_LIBS" >> $config_host_mak