Fix build if just one of libverbs or librdma is installed

[fio.git] / configure

diff --git a/configure b/configure
index caaf30e05608adfe1e48a2b872ed816ac36a175c..836d7ade7940979f1e39b2c40baa959f4f1321b0 100755 (executable)
--- a/configure
+++ b/configure
@@ -87,7 +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
 }
@@ -126,6 +126,7 @@ output_sym() {
 targetos=""
 cpu=""
 
+cross_prefix=${cross_prefix-${CROSS_COMPILE}}
 cc="${CC-${cross_prefix}gcc}"
 
 show_help="no"
@@ -173,6 +174,12 @@ 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" >> $config_host_mak
+
 # Some host OSes need non-standard checks for which CPU to use.
 # Note that these checks are broken for cross-compilation: if you're
 # cross-compiling to one of these OSes then you'll need to specify
@@ -193,6 +200,7 @@ SunOS)
   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
     cpu="x86_64"
   fi
+  LIBS="-lnsl -lsocket"
   ;;
 CYGWIN*)
   echo "Forcing known good options on Windows"
@@ -225,16 +233,6 @@ CYGWIN*)
   echo "EXTFLAGS=$CFLAGS -include config-host.h -D_GNU_SOURCE" >> $config_host_mak
   exit 0
   ;;
-Android)
-  output_sym "CONFIG_32BIT"
-  output_sym "CONFIG_LITTLE_ENDIAN"
-  output_sym "CONFIG_SOCKLEN_T"
-  output_sym "CONFIG_GETTIMEOFDAY"
-  output_sym "CONFIG_CLOCK_GETTIME"
-  output_sym "CONFIG_CLOCK_MONOTONIC"
-  echo "CC=$cc" >> $config_host_mak
-  echo "EXTFLAGS=$CFLAGS -include config-host.h -DFIO_NO_HAVE_SHM_H -D_GNU_SOURCE" >> $config_host_mak
-  exit 0
 esac
 
 if test ! -z "$cpu" ; then
@@ -314,10 +312,27 @@ 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)
 {
@@ -325,8 +340,24 @@ 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
 
 
@@ -334,22 +365,27 @@ 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"
 
@@ -445,7 +481,7 @@ 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)
@@ -458,7 +494,7 @@ 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
@@ -773,6 +809,24 @@ if compile_prog "" "-lnuma" "libnuma"; then
 fi
 echo "libnuma                       $libnuma"
 
+##########################################
+# libnuma 2.x version API
+if test "$libnuma" = "yes" ; then
+libnuma_v2="no"
+cat > $TMPC << EOF
+#include <numa.h>
+int main(int argc, char **argv)
+{
+  struct bitmask *mask = numa_parse_nodestring(NULL);
+  return 0;
+}
+EOF
+if compile_prog "" "" "libnuma api"; then
+  libnuma_v2="yes"
+fi
+echo "libnuma v2                    $libnuma_v2"
+fi
+
 ##########################################
 # strsep() probe
 strsep="no"
@@ -828,8 +882,7 @@ 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;
@@ -909,12 +962,24 @@ if compile_prog "" "" "TCP_NODELAY"; then
 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"
 
-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
+#############################################################################
 
 if test "$wordsize" = "64" ; then
   output_sym "CONFIG_64BIT"
@@ -952,7 +1017,7 @@ fi
 if test "$sfaa" = "yes" ; then
   output_sym "CONFIG_SFAA"
 fi
-if test "$libverbs" = "yes" -o "rdmacm" = "yes" ; then
+if test "$libverbs" = "yes" -a "rdmacm" = "yes" ; then
   output_sym "CONFIG_RDMA"
 fi
 if test "$clock_gettime" = "yes" ; then
@@ -999,7 +1064,7 @@ fi
 if test "$fusion_aw" = "yes" ; then
   output_sym "CONFIG_FUSION_AW"
 fi
-if test "$libnuma" = "yes" ; then
+if test "$libnuma_v2" = "yes" ; then
   output_sym "CONFIG_LIBNUMA"
 fi
 if test "$solaris_aio" = "yes" ; then
@@ -1017,6 +1082,9 @@ fi
 if test "$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" >> $config_host_mak
 echo "CC=$cc" >> $config_host_mak