Merge branch 'master' into gfio
[fio.git] / configure
index 583e3ab286b0cc9088d221ff3fc49630699e5bd5..222befe8a5e178aeee586d956ee79b6f7ac1e87e 100755 (executable)
--- a/configure
+++ b/configure
@@ -29,6 +29,14 @@ config_host_h="config-host.h"
 rm -rf $config_host_mak
 rm -rf $config_host_h
 
+fatal() {
+  echo $@
+  echo "Configure failed, check config.log and/or the above output"
+  rm -rf $config_host_mak
+  rm -rf $config_host_h
+  exit 1
+}
+
 # Default CFLAGS
 CFLAGS="-D_GNU_SOURCE"
 EXTFLAGS="-include config-host.h"
@@ -70,8 +78,7 @@ do_cc() {
     echo "ERROR: configure test passed without -Werror but failed with -Werror."
     echo "This is probably a bug in the configure script. The failing command"
     echo "will be at the bottom of config.log."
-    echo "You can run configure with --disable-werror to bypass this check."
-    exit 1
+    fatal "You can run configure with --disable-werror to bypass this check."
 }
 
 compile_object() {
@@ -80,7 +87,7 @@ compile_object() {
 
 compile_prog() {
   local_cflags="$1"
-  local_ldflags="$2"
+  local_ldflags="$2 $LIBS"
   echo "Compiling test case $3" >> config.log
   do_cc $CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 }
@@ -91,8 +98,7 @@ feature_not_found() {
   echo "ERROR"
   echo "ERROR: User requested feature $feature"
   echo "ERROR: configure was not able to find it"
-  echo "ERROR"
-  exit 1;
+  fatal "ERROR"
 }
 
 has() {
@@ -120,22 +126,32 @@ output_sym() {
 targetos=""
 cpu=""
 
+cross_prefix=${cross_prefix-${CROSS_COMPILE}}
 cc="${CC-${cross_prefix}gcc}"
 
+# default options
 show_help="no"
 exit_val=0
+gfio="no"
 
 # parse options
 for opt do
   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
   case "$opt" in
+  --cpu=*) cpu="$optarg"
+  ;;
   --cc=*) CC="$optarg"
   ;;
   --extra-cflags=*) CFLAGS="$CFLAGS $optarg"
   ;;
-  --help)
-  show_help="yes"
+  --build-32bit-win=*) build_32bit_win="$optarg"
   ;;
+  --enable-gfio)
+  gfio="yes"
+  ;;
+  --help)
+    show_help="yes"
+    ;;
   *)
   echo "Bad option $opt"
   show_help="yes"
@@ -144,12 +160,17 @@ for opt do
 done
 
 if test "$show_help" = "yes" ; then
+  echo "--cpu=                 Specify target CPU if auto-detect fails"
   echo "--cc=                  Specify compiler to use"
   echo "--extra-cflags=        Specify extra CFLAGS to pass to compiler"
+  echo "--build-32bit-win=     Specify yes for a 32-bit build on Windows"
+  echo "--enable-gfio          Enable building of gtk gfio"
   exit $exit_val
 fi
 
-if check_define __linux__ ; then
+if check_define __ANDROID__ ; then
+  targetos="Android"
+elif check_define __linux__ ; then
   targetos="Linux"
 elif check_define __OpenBSD__ ; then
   targetos='OpenBSD'
@@ -159,6 +180,12 @@ else
   targetos=`uname -s`
 fi
 
+echo "# Automatically generated by configure - do not modify" > $config_host_mak
+printf "# Configured with:" >> $config_host_mak
+printf " '%s'" "$0" "$@" >> $config_host_mak
+echo >> $config_host_mak
+echo "CONFIG_TARGET_OS=$targetos" >> $config_host_mak
+
 # Some host OSes need non-standard checks for which CPU to use.
 # Note that these checks are broken for cross-compilation: if you're
 # cross-compiling to one of these OSes then you'll need to specify
@@ -179,30 +206,39 @@ SunOS)
   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
     cpu="x86_64"
   fi
+  LIBS="-lnsl -lsocket"
   ;;
 CYGWIN*)
   echo "Forcing known good options on Windows"
   if test -z "$CC" ; then
-    CC="x86_64-w64-mingw32-gcc"
+    if test ! -z "$build_32bit_win" && test "$build_32bit_win" = "yes"; then
+      CC="i686-w64-mingw32-gcc"
+    else
+      CC="x86_64-w64-mingw32-gcc"
+    fi
   fi
   output_sym "CONFIG_LITTLE_ENDIAN"
-  output_sym "CONFIG_64BIT_LLP64"
-  output_sym "CONFIG_CLOCK_GETTIME"
-  output_sym "CONFIG_CLOCK_MONOTONIC"
-  output_sym "CONFIG_GETTIMEOFDAY"
+  if test ! -z "$build_32bit_win" && test "$build_32bit_win" = "yes"; then
+    output_sym "CONFIG_32BIT"
+  else
+    output_sym "CONFIG_64BIT_LLP64"
+  fi
   output_sym "CONFIG_FADVISE"
   output_sym "CONFIG_SOCKLEN_T"
-  output_sym "CONFIG_POSIX_FALLOCATE"
   output_sym "CONFIG_FADVISE"
   output_sym "CONFIG_SFAA"
   output_sym "CONFIG_RUSAGE_THREAD"
   output_sym "CONFIG_WINDOWSAIO"
   output_sym "CONFIG_FDATASYNC"
+  output_sym "CONFIG_CLOCK_MONOTONIC"
   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
+  ;;
 esac
 
 if test ! -z "$cpu" ; then
@@ -266,8 +302,7 @@ case "$cpu" in
     cpu="sparc"
   ;;
   *)
-    echo "Unknown CPU"
-    exit 1;
+  echo "Unknown CPU"
   ;;
 esac
 
@@ -283,10 +318,27 @@ fi
 
 cc="${CC-${cross_prefix}gcc}"
 
+##########################################
+# check cross compile
+
+cross_compile="no"
+cat > $TMPC <<EOF
+int main(void)
+{
+  return 0;
+}
+EOF
+if compile_prog "" "" "cross"; then
+  $TMPE 2>/dev/null || cross_compile="yes"
+else
+  fatal "compile test failed"
+fi
+
 ##########################################
 # check endianness
 bigendian="no"
-cat > $TMPC <<EOF
+if test "$cross_compile" = "no" ; then
+  cat > $TMPC <<EOF
 #include <inttypes.h>
 int main(void)
 {
@@ -294,8 +346,24 @@ int main(void)
   return (*((uint8_t*)(&i))) == 0x67;
 }
 EOF
-if compile_prog "" "" "endian"; then
-  $TMPE && bigendian="yes"
+  if compile_prog "" "" "endian"; then
+    $TMPE && bigendian="yes"
+  fi
+else
+  # If we're cross compiling, try our best to work it out and rely on the
+  # run-time check to fail if we get it wrong.
+  cat > $TMPC <<EOF
+#include <endian.h>
+int main(void)
+{
+#if __BYTE_ORDER != __BIG_ENDIAN
+# error "Unknown endianness"
+#endif
+}
+EOF
+  compile_prog "" "" "endian" && bigendian="yes"
+  check_define "__ARMEB__" && bigendian="yes"
+  check_define "__MIPSEB__" && bigendian="yes"
 fi
 
 
@@ -303,22 +371,27 @@ echo "Operating system              $targetos"
 echo "CPU                           $cpu"
 echo "Big endian                    $bigendian"
 echo "Compiler                      $cc"
+echo "Cross compile                 $cross_compile"
 echo
 
 ##########################################
 # check for wordsize
 wordsize="0"
 cat > $TMPC <<EOF
-#include <stdio.h>
+#include <limits.h>
+#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
 int main(void)
 {
-  unsigned int wsize = sizeof(long) * 8;
-  printf("%d\n", wsize);
+  BUILD_BUG_ON(sizeof(long)*CHAR_BIT != WORDSIZE);
   return 0;
 }
 EOF
-if compile_prog "" "" "wordsize"; then
-  wordsize=$($TMPE)
+if compile_prog "-DWORDSIZE=32" "" "wordsize"; then
+  wordsize="32"
+elif compile_prog "-DWORDSIZE=64" "" "wordsize"; then
+  wordsize="64"
+else
+  fatal "Unknown wordsize"
 fi
 echo "Wordsize                      $wordsize"
 
@@ -414,7 +487,7 @@ sfaa="no"
 cat > $TMPC << EOF
 static int sfaa(int *ptr)
 {
-  return __sync_fetch_and_and(ptr, 0);
+  return __sync_fetch_and_add(ptr, 0);
 }
 
 int main(int argc, char **argv)
@@ -427,7 +500,7 @@ EOF
 if compile_prog "" "" "__sync_fetch_and_add()" ; then
     sfaa="yes"
 fi
-echo "__sync_fetch_and add          $sfaa"
+echo "__sync_fetch_and_add          $sfaa"
 
 ##########################################
 # libverbs probe
@@ -797,8 +870,7 @@ echo "inet_aton                     $inet_aton"
 # socklen_t probe
 socklen_t="no"
 cat > $TMPC << EOF
-#include <string.h>
-#include <netinet/in.h>
+#include <sys/socket.h>
 int main(int argc, char **argv)
 {
   socklen_t len = 0;
@@ -827,6 +899,48 @@ fi
 echo "__thread                      $tls_thread"
 
 ##########################################
+# Whether or not __thread is supported for TLS
+if test "$gfio" = "yes" ; then
+  cat > $TMPC << EOF
+#include <glib.h>
+#include <cairo.h>
+#include <gtk/gtk.h>
+int main(void)
+{
+  gdk_threads_enter();
+  gdk_threads_leave();
+
+  printf("%d", GTK_CHECK_VERSION(2, 18, 0));
+}
+EOF
+GTK_CFLAGS=$(pkg-config --cflags gtk+-2.0 gthread-2.0)
+if test "$?" != "0" ; then
+  echo "configure: gtk and gthread not found"
+  exit 1
+fi
+GTK_LIBS=$(pkg-config --libs gtk+-2.0 gthread-2.0)
+if test "$?" != "0" ; then
+  echo "configure: gtk and gthread not found"
+  exit 1
+fi
+if compile_prog "$GTK_CFLAGS" "$GTK_LIBS" "gfio" ; then
+  r=$($TMPE)
+  if test "$r" != "0" ; then
+    gfio="yes"
+    LIBS="$LIBS $GTK_LIBS"
+    CFLAGS="$CFLAGS $GTK_CFLAGS"
+  else
+    echo "GTK found, but need version 2.18 or higher"
+    gfio="no"
+  fi
+else
+  echo "Please install gtk and gdk libraries"
+  gfio="no"
+fi
+fi
+
+echo "gfio                          $gfio"
+
 # Check whether we have getrusage(RUSAGE_THREAD)
 rusage_thread="no"
 cat > $TMPC << EOF
@@ -844,20 +958,65 @@ if compile_prog "" "" "RUSAGE_THREAD"; then
 fi
 echo "RUSAGE_THREAD                 $rusage_thread"
 
-#############################################################################
+##########################################
+# Check whether we have SCHED_IDLE
+sched_idle="no"
+cat > $TMPC << EOF
+#include <sched.h>
+int main(int argc, char **argv)
+{
+  struct sched_param p;
+  return sched_setscheduler(0, SCHED_IDLE, &p);
+}
+EOF
+if compile_prog "" "" "SCHED_IDLE"; then
+  sched_idle="yes"
+fi
+echo "SCHED_IDLE                    $sched_idle"
 
-echo "# Automatically generated by configure - do not modify" > $config_host_mak
-printf "# Configured with:" >> $config_host_mak
-printf " '%s'" "$0" "$@" >> $config_host_mak
-echo >> $config_host_mak
+##########################################
+# 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"
+
+##########################################
+# Check whether we have RLIMIT_MEMLOCK
+rlimit_memlock="no"
+cat > $TMPC << EOF
+#include <sys/time.h>
+#include <sys/resource.h>
+int main(int argc, char **argv)
+{
+  struct rlimit rl;
+  return getrlimit(RLIMIT_MEMLOCK, &rl);
+}
+EOF
+if compile_prog "" "" "RLIMIT_MEMLOCK"; then
+  rlimit_memlock="yes"
+fi
+echo "RLIMIT_MEMLOCK                $rlimit_memlock"
+
+#############################################################################
 
 if test "$wordsize" = "64" ; then
   output_sym "CONFIG_64BIT"
 elif test "$wordsize" = "32" ; then
   output_sym "CONFIG_32BIT"
 else
-  echo "Unknown wordsize!"
-  exit 1
+  fatal "Unknown wordsize!"
 fi
 if test "$bigendian" = "yes" ; then
   output_sym "CONFIG_BIG_ENDIAN"
@@ -947,7 +1106,20 @@ fi
 if test "$rusage_thread" = "yes" ; then
   output_sym "CONFIG_RUSAGE_THREAD"
 fi
+if test "$gfio" = "yes" ; then
+  echo "CONFIG_GFIO=y" >> $config_host_mak
+fi
+if test "$sched_idle" = "yes" ; then
+  output_sym "CONFIG_SCHED_IDLE"
+fi
+if test "$tcp_nodelay" = "yes" ; then
+  output_sym "CONFIG_TCP_NODELAY"
+fi
+if test "$rlimit_memlock" = "yes" ; then
+  output_sym "CONFIG_RLIMIT_MEMLOCK"
+fi
 
 echo "LIBS+=$LIBS" >> $config_host_mak
+echo "CFLAGS+=$CFLAGS" >> $config_host_mak
 echo "CC=$cc" >> $config_host_mak
 echo "EXTFLAGS=$EXTFLAGS $CFLAGS" >> $config_host_mak