Allow override of CFLAGS

[fio.git] / configure

diff --git a/configure b/configure
index 995b5df231e9129b9dceace6b867c7fb717c63be..d332c5eb246f29ad4f478fcaca6bd243715c8eec 100755 (executable)
--- a/configure
+++ b/configure
@@ -201,6 +201,7 @@ CYGWIN*)
   output_sym "CONFIG_GETTIMEOFDAY"
   output_sym "CONFIG_CLOCK_GETTIME"
   output_sym "CONFIG_SCHED_IDLE"
+  output_sym "CONFIG_TCP_NODELAY"
   echo "CC=$CC" >> $config_host_mak
   echo "EXTFLAGS=$CFLAGS -include config-host.h -D_GNU_SOURCE" >> $config_host_mak
   exit 0
@@ -861,6 +862,24 @@ if compile_prog "" "" "SCHED_IDLE"; then
 fi
 echo "SCHED_IDLE                    $sched_idle"
 
+##########################################
+# Check whether we have TCP_NODELAY
+tcp_nodelay="no"
+cat > $TMPC << EOF
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/tcp.h>
+int main(int argc, char **argv)
+{
+  return getsockopt(0, 0, TCP_NODELAY, NULL, NULL);
+}
+EOF
+if compile_prog "" "" "TCP_NODELAY"; then
+  tcp_nodelay="yes"
+fi
+echo "TCP_NODELAY                   $tcp_nodelay"
+
 #############################################################################
 
 echo "# Automatically generated by configure - do not modify" > $config_host_mak
@@ -967,6 +986,9 @@ fi
 if test "$sched_idle" = "yes" ; then
   output_sym "CONFIG_SCHED_IDLE"
 fi
+if test "$tcp_nodelay" = "yes" ; then
+  output_sym "CONFIG_TCP_NODELAY"
+fi
 
 echo "LIBS+=$LIBS" >> $config_host_mak
 echo "CC=$cc" >> $config_host_mak