Add unified_rw_reporting option

[fio.git] / configure

diff --git a/configure b/configure
index 0a404d00e2241520d6567cceac6b64cf0d6eb109..583e3ab286b0cc9088d221ff3fc49630699e5bd5 100755 (executable)
--- a/configure
+++ b/configure
@@ -30,7 +30,8 @@ rm -rf $config_host_mak
 rm -rf $config_host_h
 
 # Default CFLAGS
-EXTFLAGS="-include config-host.h -D_GNU_SOURCE"
+CFLAGS="-D_GNU_SOURCE"
+EXTFLAGS="-include config-host.h"
 
 # Print a helpful header at the top of config.log
 echo "# FIO configure log $(date)" >> config.log
@@ -39,6 +40,14 @@ printf " '%s'" "$0" "$@" >> config.log
 echo >> config.log
 echo "#" >> config.log
 
+# Print configure header at the top of $config_host_h
+echo "/*" > $config_host_h
+echo " * Automatically generated by configure - do not modify" >> $config_host_h
+printf " * Configured with:" >> $config_host_h
+printf " * '%s'" "$0" "$@" >> $config_host_h
+echo "" >> $config_host_h
+echo " */" >> $config_host_h
+
 do_cc() {
     # Run the compiler, capturing its output to the log.
     echo $cc "$@" >> config.log
@@ -113,18 +122,33 @@ cpu=""
 
 cc="${CC-${cross_prefix}gcc}"
 
+show_help="no"
+exit_val=0
+
 # parse options
 for opt do
   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
   case "$opt" in
   --cc=*) CC="$optarg"
   ;;
+  --extra-cflags=*) CFLAGS="$CFLAGS $optarg"
+  ;;
+  --help)
+  show_help="yes"
+  ;;
   *)
   echo "Bad option $opt"
-  exit 1
+  show_help="yes"
+  exit_val=1
   esac
 done
 
+if test "$show_help" = "yes" ; then
+  echo "--cc=                  Specify compiler to use"
+  echo "--extra-cflags=        Specify extra CFLAGS to pass to compiler"
+  exit $exit_val
+fi
+
 if check_define __linux__ ; then
   targetos="Linux"
 elif check_define __OpenBSD__ ; then
@@ -174,7 +198,10 @@ CYGWIN*)
   output_sym "CONFIG_RUSAGE_THREAD"
   output_sym "CONFIG_WINDOWSAIO"
   output_sym "CONFIG_FDATASYNC"
+  output_sym "CONFIG_GETTIMEOFDAY"
+  output_sym "CONFIG_CLOCK_GETTIME"
   echo "CC=$CC" >> $config_host_mak
+  echo "EXTFLAGS=$CFLAGS -include config-host.h -D_GNU_SOURCE" >> $config_host_mak
   exit 0
 esac
 
@@ -244,7 +271,7 @@ case "$cpu" in
   ;;
 esac
 
-if test -z $CC; then
+if test -z "$CC" ; then
   if test "$targetos" = "FreeBSD"; then
     if has clang; then
       CC=clang
@@ -923,4 +950,4 @@ fi
 
 echo "LIBS+=$LIBS" >> $config_host_mak
 echo "CC=$cc" >> $config_host_mak
-echo "EXTFLAGS=$EXTFLAGS" >> $config_host_mak
+echo "EXTFLAGS=$EXTFLAGS $CFLAGS" >> $config_host_mak