X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=configure;h=afb88cacea2c5e7aeba13e8b53aedeb97668471b;hp=d0c2173fd2d0d06b97e5b4dcdc9e5b44a87b51df;hb=586631b8caf1bfba2e23ecd0703dbc3fa9b16bc0;hpb=bc0c01e5d03d27e80d2a3b85ab21714bb6f32a19

diff --git a/configure b/configure
index d0c2173f..afb88cac 100755
--- a/configure
+++ b/configure
@@ -37,6 +37,11 @@ fatal() {
   exit 1
 }
 
+# Print result for each configuration test
+print_config() {
+  printf "%-30s%s\n" "$1" "$2"
+}
+
 # Default CFLAGS
 CFLAGS="-D_GNU_SOURCE -include config-host.h"
 BUILD_CFLAGS=""
@@ -161,11 +166,12 @@ for opt do
   ;;
   --build-static) build_static="yes"
   ;;
-  --enable-gfio)
-  gfio_check="yes"
+  --enable-gfio) gfio_check="yes"
   ;;
   --disable-numa) disable_numa="yes"
   ;;
+  --disable-rdma) disable_rdma="yes"
+  ;;
   --disable-rbd) disable_rbd="yes"
   ;;
   --disable-rbd-blkin) disable_rbd_blkin="yes"
@@ -184,6 +190,8 @@ for opt do
   ;;
   --disable-pmem) disable_pmem="yes"
   ;;
+  --enable-cuda) enable_cuda="yes"
+  ;;
   --help)
     show_help="yes"
     ;;
@@ -195,22 +203,24 @@ for opt do
 done
 
 if test "$show_help" = "yes" ; then
-  echo "--prefix=              Use this directory as installation prefix"
-  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      Enable 32-bit build on Windows"
-  echo "--build-static         Build a static fio"
-  echo "--esx                  Configure build options for esx"
-  echo "--enable-gfio          Enable building of gtk gfio"
-  echo "--disable-numa         Disable libnuma even if found"
-  echo "--disable-gfapi        Disable gfapi"
-  echo "--enable-libhdfs       Enable hdfs support"
-  echo "--disable-lex          Disable use of lex/yacc for math"
-  echo "--disable-pmem         Disable pmem based engines even if found"
-  echo "--enable-lex           Enable use of lex/yacc for math"
-  echo "--disable-shm          Disable SHM support"
+  echo "--prefix=               Use this directory as installation prefix"
+  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       Enable 32-bit build on Windows"
+  echo "--build-static          Build a static fio"
+  echo "--esx                   Configure build options for esx"
+  echo "--enable-gfio           Enable building of gtk gfio"
+  echo "--disable-numa          Disable libnuma even if found"
+  echo "--disable-rdma          Disable RDMA support even if found"
+  echo "--disable-gfapi         Disable gfapi"
+  echo "--enable-libhdfs        Enable hdfs support"
+  echo "--disable-lex           Disable use of lex/yacc for math"
+  echo "--disable-pmem          Disable pmem based engines even if found"
+  echo "--enable-lex            Enable use of lex/yacc for math"
+  echo "--disable-shm           Disable SHM support"
   echo "--disable-optimizations Don't enable compiler optimizations"
+  echo "--enable-cuda           Enable GPUDirect RDMA support"
   exit $exit_val
 fi
 
@@ -251,8 +261,9 @@ fi
 # cross-compiling to one of these OSes then you'll need to specify
 # the correct CPU with the --cpu option.
 case $targetos in
-AIX)
+AIX|OpenBSD)
   # Unless explicitly enabled, turn off lex.
+  # OpenBSD will hit syntax error when enabled.
   if test -z "$disable_lex" ; then
     disable_lex="yes"
   else
@@ -268,6 +279,17 @@ Darwin)
   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
     cpu="x86_64"
   fi
+  # Error at compile time linking of weak/partial symbols if possible...
+cat > $TMPC <<EOF
+int main(void)
+{
+  return 0;
+}
+EOF
+  if compile_prog "" "-Wl,-no_weak_imports" "disable weak symbols"; then
+    echo "Disabling weak symbols"
+    LDFLAGS="$LDFLAGS -Wl,-no_weak_imports"
+  fi
   ;;
 SunOS)
   # `uname -m` returns i86pc even on an x86_64 box, so default based on isainfo
@@ -277,7 +299,8 @@ SunOS)
   LIBS="-lnsl -lsocket"
   ;;
 CYGWIN*)
-  echo "Forcing known good options on Windows"
+  # We still force some options, so keep this message here.
+  echo "Forcing some known good options on Windows"
   if test -z "$CC" ; then
     if test ! -z "$build_32bit_win" && test "$build_32bit_win" = "yes"; then
       CC="i686-w64-mingw32-gcc"
@@ -295,30 +318,30 @@ CYGWIN*)
       fi
     fi
   fi
-  output_sym "CONFIG_LITTLE_ENDIAN"
   if test ! -z "$build_32bit_win" && test "$build_32bit_win" = "yes"; then
     output_sym "CONFIG_32BIT"
   else
     output_sym "CONFIG_64BIT_LLP64"
   fi
-  output_sym "CONFIG_FADVISE"
-  output_sym "CONFIG_SOCKLEN_T"
-  output_sym "CONFIG_FADVISE"
-  output_sym "CONFIG_SFAA"
-  output_sym "CONFIG_RUSAGE_THREAD"
+  # We need this to be output_sym'd here because this is Windows specific.
+  # The regular configure path never sets this config.
   output_sym "CONFIG_WINDOWSAIO"
-  output_sym "CONFIG_FDATASYNC"
-  output_sym "CONFIG_CLOCK_MONOTONIC"
-  output_sym "CONFIG_GETTIMEOFDAY"
-  output_sym "CONFIG_CLOCK_GETTIME"
-  output_sym "CONFIG_SCHED_IDLE"
-  output_sym "CONFIG_TCP_NODELAY"
-  output_sym "CONFIG_TLS_THREAD"
-  output_sym "CONFIG_IPV6"
+  # We now take the regular configuration path without having exit 0 here.
+  # Flags below are still necessary mostly for MinGW.
+  socklen_t="yes"
+  sfaa="yes"
+  rusage_thread="yes"
+  fdatasync="yes"
+  clock_gettime="yes" # clock_monotonic probe has dependency on this
+  clock_monotonic="yes"
+  gettimeofday="yes"
+  sched_idle="yes"
+  tcp_nodelay="yes"
+  tls_thread="yes"
+  static_assert="yes"
+  ipv6="yes"
   echo "CC=$CC" >> $config_host_mak
   echo "BUILD_CFLAGS=$CFLAGS -I../zlib -include config-host.h -D_GNU_SOURCE" >> $config_host_mak
-
-  exit 0
   ;;
 esac
 
@@ -367,7 +390,7 @@ case "$cpu" in
     cpu="$cpu"
   ;;
   i386|i486|i586|i686|i86pc|BePC)
-    cpu="i386"
+    cpu="x86"
   ;;
   x86_64|amd64)
     cpu="x86_64"
@@ -407,7 +430,9 @@ cc="${CC-${cross_prefix}gcc}"
 ##########################################
 # check cross compile
 
-cross_compile="no"
+if test "$cross_compile" != "yes" ; then
+  cross_compile="no"
+fi
 cat > $TMPC <<EOF
 int main(void)
 {
@@ -422,7 +447,9 @@ fi
 
 ##########################################
 # check endianness
-bigendian="no"
+if test "$bigendian" != "yes" ; then
+  bigendian="no"
+fi
 if test "$cross_compile" = "no" ; then
   cat > $TMPC <<EOF
 #include <inttypes.h>
@@ -453,11 +480,11 @@ EOF
 fi
 
 
-echo "Operating system              $targetos"
-echo "CPU                           $cpu"
-echo "Big endian                    $bigendian"
-echo "Compiler                      $cc"
-echo "Cross compile                 $cross_compile"
+print_config "Operating system" "$targetos"
+print_config "CPU" "$cpu"
+print_config "Big endian" "$bigendian"
+print_config "Compiler" "$cc"
+print_config "Cross compile" "$cross_compile"
 echo
 
 ##########################################
@@ -468,7 +495,7 @@ if test "$build_static" = "yes" ; then
 else
   build_static="no"
 fi
-echo "Static build                  $build_static"
+print_config "Static build" "$build_static"
 
 ##########################################
 # check for wordsize
@@ -489,11 +516,13 @@ elif compile_prog "-DWORDSIZE=64" "" "wordsize"; then
 else
   fatal "Unknown wordsize"
 fi
-echo "Wordsize                      $wordsize"
+print_config "Wordsize" "$wordsize"
 
 ##########################################
 # zlib probe
-zlib="no"
+if test "$zlib" != "yes" ; then
+  zlib="no"
+fi
 cat > $TMPC <<EOF
 #include <zlib.h>
 int main(void)
@@ -508,11 +537,13 @@ if compile_prog "" "-lz" "zlib" ; then
   zlib=yes
   LIBS="-lz $LIBS"
 fi
-echo "zlib                          $zlib"
+print_config "zlib" "$zlib"
 
 ##########################################
 # linux-aio probe
-libaio="no"
+if test "$libaio" != "yes" ; then
+  libaio="no"
+fi
 if test "$esx" != "yes" ; then
   cat > $TMPC <<EOF
 #include <libaio.h>
@@ -533,12 +564,16 @@ EOF
     libaio=no
   fi
 fi
-echo "Linux AIO support             $libaio"
+print_config "Linux AIO support" "$libaio"
 
 ##########################################
 # posix aio probe
-posix_aio="no"
-posix_aio_lrt="no"
+if test "$posix_aio" != "yes" ; then
+  posix_aio="no"
+fi
+if test "$posix_aio_lrt" != "yes" ; then
+  posix_aio_lrt="no"
+fi
 cat > $TMPC <<EOF
 #include <aio.h>
 int main(void)
@@ -555,12 +590,14 @@ elif compile_prog "" "-lrt" "posixaio"; then
   posix_aio_lrt="yes"
   LIBS="-lrt $LIBS"
 fi
-echo "POSIX AIO support             $posix_aio"
-echo "POSIX AIO support needs -lrt  $posix_aio_lrt"
+print_config "POSIX AIO support" "$posix_aio"
+print_config "POSIX AIO support needs -lrt" "$posix_aio_lrt"
 
 ##########################################
 # posix aio fsync probe
-posix_aio_fsync="no"
+if test "$posix_aio_fsync" != "yes" ; then
+  posix_aio_fsync="no"
+fi
 if test "$posix_aio" = "yes" ; then
   cat > $TMPC <<EOF
 #include <fcntl.h>
@@ -576,11 +613,43 @@ EOF
     posix_aio_fsync=yes
   fi
 fi
-echo "POSIX AIO fsync               $posix_aio_fsync"
+print_config "POSIX AIO fsync" "$posix_aio_fsync"
+
+##########################################
+# POSIX pshared attribute probe
+if test "$posix_pshared" != "yes" ; then
+  posix_pshared="no"
+fi
+cat > $TMPC <<EOF
+#include <unistd.h>
+int main(void)
+{
+#if defined(_POSIX_THREAD_PROCESS_SHARED) && ((_POSIX_THREAD_PROCESS_SHARED + 0) > 0)
+# if defined(__CYGWIN__)
+#  error "_POSIX_THREAD_PROCESS_SHARED is buggy on Cygwin"
+# elif defined(__APPLE__)
+#  include <AvailabilityMacros.h>
+#  include <TargetConditionals.h>
+#  if TARGET_OS_MAC && MAC_OS_X_VERSION_MIN_REQUIRED < 1070
+#   error "_POSIX_THREAD_PROCESS_SHARED is buggy/unsupported prior to OSX 10.7"
+#  endif
+# endif
+#else
+# error "_POSIX_THREAD_PROCESS_SHARED is unsupported"
+#endif
+  return 0;
+}
+EOF
+if compile_prog "" "$LIBS" "posix_pshared" ; then
+  posix_pshared=yes
+fi
+print_config "POSIX pshared support" "$posix_pshared"
 
 ##########################################
 # solaris aio probe
-solaris_aio="no"
+if test "$solaris_aio" != "yes" ; then
+  solaris_aio="no"
+fi
 cat > $TMPC <<EOF
 #include <sys/types.h>
 #include <sys/asynch.h>
@@ -596,11 +665,13 @@ if compile_prog "" "-laio" "solarisaio" ; then
   solaris_aio=yes
   LIBS="-laio $LIBS"
 fi
-echo "Solaris AIO support           $solaris_aio"
+print_config "Solaris AIO support" "$solaris_aio"
 
 ##########################################
 # __sync_fetch_and_add test
-sfaa="no"
+if test "$sfaa" != "yes" ; then
+  sfaa="no"
+fi
 cat > $TMPC << EOF
 #include <inttypes.h>
 static int sfaa(uint64_t *ptr)
@@ -618,11 +689,13 @@ EOF
 if compile_prog "" "" "__sync_fetch_and_add()" ; then
     sfaa="yes"
 fi
-echo "__sync_fetch_and_add          $sfaa"
+print_config "__sync_fetch_and_add" "$sfaa"
 
 ##########################################
 # libverbs probe
-libverbs="no"
+if test "$libverbs" != "yes" ; then
+  libverbs="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <infiniband/arch.h>
@@ -632,15 +705,17 @@ int main(int argc, char **argv)
   return 0;
 }
 EOF
-if compile_prog "" "-libverbs" "libverbs" ; then
+if test "$disable_rdma" != "yes" && compile_prog "" "-libverbs" "libverbs" ; then
     libverbs="yes"
     LIBS="-libverbs $LIBS"
 fi
-echo "libverbs                      $libverbs"
+print_config "libverbs" "$libverbs"
 
 ##########################################
 # rdmacm probe
-rdmacm="no"
+if test "$rdmacm" != "yes" ; then
+  rdmacm="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <rdma/rdma_cma.h>
@@ -650,15 +725,17 @@ int main(int argc, char **argv)
   return 0;
 }
 EOF
-if compile_prog "" "-lrdmacm" "rdma"; then
+if test "$disable_rdma" != "yes" && compile_prog "" "-lrdmacm" "rdma"; then
     rdmacm="yes"
     LIBS="-lrdmacm $LIBS"
 fi
-echo "rdmacm                        $rdmacm"
+print_config "rdmacm" "$rdmacm"
 
 ##########################################
 # Linux fallocate probe
-linux_fallocate="no"
+if test "$linux_fallocate" != "yes" ; then
+  linux_fallocate="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <fcntl.h>
@@ -672,11 +749,13 @@ EOF
 if compile_prog "" "" "linux_fallocate"; then
     linux_fallocate="yes"
 fi
-echo "Linux fallocate               $linux_fallocate"
+print_config "Linux fallocate" "$linux_fallocate"
 
 ##########################################
 # POSIX fadvise probe
-posix_fadvise="no"
+if test "$posix_fadvise" != "yes" ; then
+  posix_fadvise="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <fcntl.h>
@@ -689,11 +768,13 @@ EOF
 if compile_prog "" "" "posix_fadvise"; then
     posix_fadvise="yes"
 fi
-echo "POSIX fadvise                 $posix_fadvise"
+print_config "POSIX fadvise" "$posix_fadvise"
 
 ##########################################
 # POSIX fallocate probe
-posix_fallocate="no"
+if test "$posix_fallocate" != "yes" ; then
+  posix_fallocate="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <fcntl.h>
@@ -706,12 +787,16 @@ EOF
 if compile_prog "" "" "posix_fallocate"; then
     posix_fallocate="yes"
 fi
-echo "POSIX fallocate               $posix_fallocate"
+print_config "POSIX fallocate" "$posix_fallocate"
 
 ##########################################
 # sched_set/getaffinity 2 or 3 argument test
-linux_2arg_affinity="no"
-linux_3arg_affinity="no"
+if test "$linux_2arg_affinity" != "yes" ; then
+  linux_2arg_affinity="no"
+fi
+if test "$linux_3arg_affinity" != "yes" ; then
+  linux_3arg_affinity="no"
+fi
 cat > $TMPC << EOF
 #include <sched.h>
 int main(int argc, char **argv)
@@ -735,12 +820,14 @@ EOF
     linux_2arg_affinity="yes"
   fi
 fi
-echo "sched_setaffinity(3 arg)      $linux_3arg_affinity"
-echo "sched_setaffinity(2 arg)      $linux_2arg_affinity"
+print_config "sched_setaffinity(3 arg)" "$linux_3arg_affinity"
+print_config "sched_setaffinity(2 arg)" "$linux_2arg_affinity"
 
 ##########################################
 # clock_gettime probe
-clock_gettime="no"
+if test "$clock_gettime" != "yes" ; then
+  clock_gettime="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <time.h>
@@ -755,11 +842,13 @@ elif compile_prog "" "-lrt" "clock_gettime"; then
     clock_gettime="yes"
     LIBS="-lrt $LIBS"
 fi
-echo "clock_gettime                 $clock_gettime"
+print_config "clock_gettime" "$clock_gettime"
 
 ##########################################
 # CLOCK_MONOTONIC probe
-clock_monotonic="no"
+if test "$clock_monotonic" != "yes" ; then
+  clock_monotonic="no"
+fi
 if test "$clock_gettime" = "yes" ; then
   cat > $TMPC << EOF
 #include <stdio.h>
@@ -773,11 +862,13 @@ EOF
       clock_monotonic="yes"
   fi
 fi
-echo "CLOCK_MONOTONIC               $clock_monotonic"
+print_config "CLOCK_MONOTONIC" "$clock_monotonic"
 
 ##########################################
 # CLOCK_MONOTONIC_RAW probe
-clock_monotonic_raw="no"
+if test "$clock_monotonic_raw" != "yes" ; then
+  clock_monotonic_raw="no"
+fi
 if test "$clock_gettime" = "yes" ; then
   cat > $TMPC << EOF
 #include <stdio.h>
@@ -791,11 +882,13 @@ EOF
       clock_monotonic_raw="yes"
   fi
 fi
-echo "CLOCK_MONOTONIC_RAW           $clock_monotonic_raw"
+print_config "CLOCK_MONOTONIC_RAW" "$clock_monotonic_raw"
 
 ##########################################
 # CLOCK_MONOTONIC_PRECISE probe
-clock_monotonic_precise="no"
+if test "$clock_monotonic_precise" != "yes" ; then
+  clock_monotonic_precise="no"
+fi
 if test "$clock_gettime" = "yes" ; then
   cat > $TMPC << EOF
 #include <stdio.h>
@@ -809,30 +902,33 @@ EOF
       clock_monotonic_precise="yes"
   fi
 fi
-echo "CLOCK_MONOTONIC_PRECISE       $clock_monotonic_precise"
+print_config "CLOCK_MONOTONIC_PRECISE" "$clock_monotonic_precise"
 
 ##########################################
 # clockid_t probe
-clockid_t="no"
+if test "$clockid_t" != "yes" ; then
+  clockid_t="no"
+fi
 cat > $TMPC << EOF
-#include <stdio.h>
-#include <string.h>
 #include <time.h>
+#include <string.h>
 int main(int argc, char **argv)
 {
-  clockid_t cid;
-  memset(&cid, 0, sizeof(cid));
-  return clock_gettime(cid, NULL);
+  volatile clockid_t cid;
+  memset((void*)&cid, 0, sizeof(cid));
+  return 0;
 }
 EOF
 if compile_prog "" "$LIBS" "clockid_t"; then
   clockid_t="yes"
 fi
-echo "clockid_t                     $clockid_t"
+print_config "clockid_t" "$clockid_t"
 
 ##########################################
 # gettimeofday() probe
-gettimeofday="no"
+if test "$gettimeofday" != "yes" ; then
+  gettimeofday="no"
+fi
 cat > $TMPC << EOF
 #include <sys/time.h>
 #include <stdio.h>
@@ -845,11 +941,13 @@ EOF
 if compile_prog "" "" "gettimeofday"; then
     gettimeofday="yes"
 fi
-echo "gettimeofday                  $gettimeofday"
+print_config "gettimeofday" "$gettimeofday"
 
 ##########################################
 # fdatasync() probe
-fdatasync="no"
+if test "$fdatasync" != "yes" ; then
+  fdatasync="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <unistd.h>
@@ -861,11 +959,13 @@ EOF
 if compile_prog "" "" "fdatasync"; then
   fdatasync="yes"
 fi
-echo "fdatasync                     $fdatasync"
+print_config "fdatasync" "$fdatasync"
 
 ##########################################
 # sync_file_range() probe
-sync_file_range="no"
+if test "$sync_file_range" != "yes" ; then
+  sync_file_range="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <unistd.h>
@@ -881,11 +981,13 @@ EOF
 if compile_prog "" "" "sync_file_range"; then
   sync_file_range="yes"
 fi
-echo "sync_file_range               $sync_file_range"
+print_config "sync_file_range" "$sync_file_range"
 
 ##########################################
 # ext4 move extent probe
-ext4_me="no"
+if test "$ext4_me" != "yes" ; then
+  ext4_me="no"
+fi
 cat > $TMPC << EOF
 #include <fcntl.h>
 #include <sys/ioctl.h>
@@ -903,11 +1005,13 @@ elif test $targetos = "Linux" ; then
   # work. Takes a while to bubble back.
   ext4_me="yes"
 fi
-echo "EXT4 move extent              $ext4_me"
+print_config "EXT4 move extent" "$ext4_me"
 
 ##########################################
 # splice probe
-linux_splice="no"
+if test "$linux_splice" != "yes" ; then
+  linux_splice="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <fcntl.h>
@@ -919,11 +1023,13 @@ EOF
 if compile_prog "" "" "linux splice"; then
   linux_splice="yes"
 fi
-echo "Linux splice(2)               $linux_splice"
+print_config "Linux splice(2)" "$linux_splice"
 
 ##########################################
 # GUASI probe
-guasi="no"
+if test "$guasi" != "yes" ; then
+  guasi="no"
+fi
 cat > $TMPC << EOF
 #include <guasi.h>
 #include <guasi_syscalls.h>
@@ -936,11 +1042,13 @@ EOF
 if compile_prog "" "" "guasi"; then
   guasi="yes"
 fi
-echo "GUASI                         $guasi"
+print_config "GUASI" "$guasi"
 
 ##########################################
 # fusion-aw probe
-fusion_aw="no"
+if test "$fusion_aw" != "yes" ; then
+  fusion_aw="no"
+fi
 cat > $TMPC << EOF
 #include <nvm/nvm_primitives.h>
 int main(int argc, char **argv)
@@ -956,11 +1064,13 @@ if compile_prog "" "-L/usr/lib/fio -L/usr/lib/nvm -lnvm-primitives -ldl -lpthrea
   LIBS="-L/usr/lib/fio -L/usr/lib/nvm -lnvm-primitives -ldl -lpthread $LIBS"
   fusion_aw="yes"
 fi
-echo "Fusion-io atomic engine       $fusion_aw"
+print_config "Fusion-io atomic engine" "$fusion_aw"
 
 ##########################################
 # libnuma probe
-libnuma="no"
+if test "$libnuma" != "yes" ; then
+  libnuma="no"
+fi
 cat > $TMPC << EOF
 #include <numa.h>
 int main(int argc, char **argv)
@@ -972,10 +1082,10 @@ if test "$disable_numa" != "yes"  && compile_prog "" "-lnuma" "libnuma"; then
   libnuma="yes"
   LIBS="-lnuma $LIBS"
 fi
-echo "libnuma                       $libnuma"
+print_config "libnuma" "$libnuma"
 
 ##########################################
-# libnuma 2.x version API
+# libnuma 2.x version API, initialize with "no" only if $libnuma is set to "yes"
 if test "$libnuma" = "yes" ; then
 libnuma_v2="no"
 cat > $TMPC << EOF
@@ -989,12 +1099,14 @@ EOF
 if compile_prog "" "" "libnuma api"; then
   libnuma_v2="yes"
 fi
-echo "libnuma v2                    $libnuma_v2"
+print_config "libnuma v2" "$libnuma_v2"
 fi
 
 ##########################################
 # strsep() probe
-strsep="no"
+if test "$strsep" != "yes" ; then
+  strsep="no"
+fi
 cat > $TMPC << EOF
 #include <string.h>
 int main(int argc, char **argv)
@@ -1007,11 +1119,13 @@ EOF
 if compile_prog "" "" "strsep"; then
   strsep="yes"
 fi
-echo "strsep                        $strsep"
+print_config "strsep" "$strsep"
 
 ##########################################
 # strcasestr() probe
-strcasestr="no"
+if test "$strcasestr" != "yes" ; then
+  strcasestr="no"
+fi
 cat > $TMPC << EOF
 #include <string.h>
 int main(int argc, char **argv)
@@ -1022,11 +1136,13 @@ EOF
 if compile_prog "" "" "strcasestr"; then
   strcasestr="yes"
 fi
-echo "strcasestr                    $strcasestr"
+print_config "strcasestr" "$strcasestr"
 
 ##########################################
 # strlcat() probe
-strlcat="no"
+if test "$strlcat" != "yes" ; then
+  strlcat="no"
+fi
 cat > $TMPC << EOF
 #include <string.h>
 int main(int argc, char **argv)
@@ -1041,11 +1157,13 @@ EOF
 if compile_prog "" "" "strlcat"; then
   strlcat="yes"
 fi
-echo "strlcat                       $strlcat"
+print_config "strlcat" "$strlcat"
 
 ##########################################
 # getopt_long_only() probe
-getopt_long_only="no"
+if test "$getopt_long_only" != "yes" ; then
+  getopt_long_only="no"
+fi
 cat > $TMPC << EOF
 #include <unistd.h>
 #include <stdio.h>
@@ -1059,11 +1177,13 @@ EOF
 if compile_prog "" "" "getopt_long_only"; then
   getopt_long_only="yes"
 fi
-echo "getopt_long_only()            $getopt_long_only"
+print_config "getopt_long_only()" "$getopt_long_only"
 
 ##########################################
 # inet_aton() probe
-inet_aton="no"
+if test "$inet_aton" != "yes" ; then
+  inet_aton="no"
+fi
 cat > $TMPC << EOF
 #include <sys/socket.h>
 #include <arpa/inet.h>
@@ -1077,11 +1197,13 @@ EOF
 if compile_prog "" "" "inet_aton"; then
   inet_aton="yes"
 fi
-echo "inet_aton                     $inet_aton"
+print_config "inet_aton" "$inet_aton"
 
 ##########################################
 # socklen_t probe
-socklen_t="no"
+if test "$socklen_t" != "yes" ; then
+  socklen_t="no"
+fi
 cat > $TMPC << EOF
 #include <sys/socket.h>
 int main(int argc, char **argv)
@@ -1093,11 +1215,13 @@ EOF
 if compile_prog "" "" "socklen_t"; then
   socklen_t="yes"
 fi
-echo "socklen_t                     $socklen_t"
+print_config "socklen_t" "$socklen_t"
 
 ##########################################
 # Whether or not __thread is supported for TLS
-tls_thread="no"
+if test "$tls_thread" != "yes" ; then
+  tls_thread="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 static __thread int ret;
@@ -1109,11 +1233,13 @@ EOF
 if compile_prog "" "" "__thread"; then
   tls_thread="yes"
 fi
-echo "__thread                      $tls_thread"
+print_config "__thread" "$tls_thread"
 
 ##########################################
 # Check if we have required gtk/glib support for gfio
-gfio="no"
+if test "$gfio" != "yes" ; then
+  gfio="no"
+fi
 if test "$gfio_check" = "yes" ; then
   cat > $TMPC << EOF
 #include <glib.h>
@@ -1124,7 +1250,7 @@ int main(void)
   gdk_threads_enter();
   gdk_threads_leave();
 
-  printf("%d", GTK_CHECK_VERSION(2, 18, 0));
+  return GTK_CHECK_VERSION(2, 18, 0) ? 0 : 1; /* 0 on success */
 }
 EOF
 GTK_CFLAGS=$(pkg-config --cflags gtk+-2.0 gthread-2.0)
@@ -1140,8 +1266,8 @@ if test "$?" != "0" ; then
   exit 1
 fi
 if compile_prog "$GTK_CFLAGS" "$GTK_LIBS" "gfio" ; then
-  r=$($TMPE)
-  if test "$r" != "0" ; then
+  $TMPE
+  if test "$?" = "0" ; then
     gfio="yes"
     GFIO_LIBS="$LIBS $GTK_LIBS"
     CFLAGS="$CFLAGS $GTK_CFLAGS"
@@ -1157,11 +1283,14 @@ LDFLAGS=$ORG_LDFLAGS
 fi
 
 if test "$gfio_check" = "yes" ; then
-  echo "gtk 2.18 or higher            $gfio"
+  print_config "gtk 2.18 or higher" "$gfio"
 fi
 
+##########################################
 # Check whether we have getrusage(RUSAGE_THREAD)
-rusage_thread="no"
+if test "$rusage_thread" != "yes" ; then
+  rusage_thread="no"
+fi
 cat > $TMPC << EOF
 #include <sys/time.h>
 #include <sys/resource.h>
@@ -1175,11 +1304,13 @@ EOF
 if compile_prog "" "" "RUSAGE_THREAD"; then
   rusage_thread="yes"
 fi
-echo "RUSAGE_THREAD                 $rusage_thread"
+print_config "RUSAGE_THREAD" "$rusage_thread"
 
 ##########################################
 # Check whether we have SCHED_IDLE
-sched_idle="no"
+if test "$sched_idle" != "yes" ; then
+  sched_idle="no"
+fi
 cat > $TMPC << EOF
 #include <sched.h>
 int main(int argc, char **argv)
@@ -1191,11 +1322,13 @@ EOF
 if compile_prog "" "" "SCHED_IDLE"; then
   sched_idle="yes"
 fi
-echo "SCHED_IDLE                    $sched_idle"
+print_config "SCHED_IDLE" "$sched_idle"
 
 ##########################################
 # Check whether we have TCP_NODELAY
-tcp_nodelay="no"
+if test "$tcp_nodelay" != "yes" ; then
+  tcp_nodelay="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <sys/types.h>
@@ -1209,11 +1342,13 @@ EOF
 if compile_prog "" "" "TCP_NODELAY"; then
   tcp_nodelay="yes"
 fi
-echo "TCP_NODELAY                   $tcp_nodelay"
+print_config "TCP_NODELAY" "$tcp_nodelay"
 
 ##########################################
 # Check whether we have SO_SNDBUF
-window_size="no"
+if test "$window_size" != "yes" ; then
+  window_size="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <sys/types.h>
@@ -1228,11 +1363,13 @@ EOF
 if compile_prog "" "" "SO_SNDBUF"; then
   window_size="yes"
 fi
-echo "Net engine window_size        $window_size"
+print_config "Net engine window_size" "$window_size"
 
 ##########################################
 # Check whether we have TCP_MAXSEG
-mss="no"
+if test "$mss" != "yes" ; then
+  mss="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <sys/types.h>
@@ -1248,11 +1385,13 @@ EOF
 if compile_prog "" "" "TCP_MAXSEG"; then
   mss="yes"
 fi
-echo "TCP_MAXSEG                    $mss"
+print_config "TCP_MAXSEG" "$mss"
 
 ##########################################
 # Check whether we have RLIMIT_MEMLOCK
-rlimit_memlock="no"
+if test "$rlimit_memlock" != "yes" ; then
+  rlimit_memlock="no"
+fi
 cat > $TMPC << EOF
 #include <sys/time.h>
 #include <sys/resource.h>
@@ -1265,11 +1404,13 @@ EOF
 if compile_prog "" "" "RLIMIT_MEMLOCK"; then
   rlimit_memlock="yes"
 fi
-echo "RLIMIT_MEMLOCK                $rlimit_memlock"
+print_config "RLIMIT_MEMLOCK" "$rlimit_memlock"
 
 ##########################################
 # Check whether we have pwritev/preadv
-pwritev="no"
+if test "$pwritev" != "yes" ; then
+  pwritev="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <sys/uio.h>
@@ -1281,11 +1422,13 @@ EOF
 if compile_prog "" "" "pwritev"; then
   pwritev="yes"
 fi
-echo "pwritev/preadv                $pwritev"
+print_config "pwritev/preadv" "$pwritev"
 
 ##########################################
 # Check whether we have pwritev2/preadv2
-pwritev2="no"
+if test "$pwritev2" != "yes" ; then
+  pwritev2="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <sys/uio.h>
@@ -1297,11 +1440,13 @@ EOF
 if compile_prog "" "" "pwritev2"; then
   pwritev2="yes"
 fi
-echo "pwritev2/preadv2              $pwritev2"
+print_config "pwritev2/preadv2" "$pwritev2"
 
 ##########################################
 # Check whether we have the required functions for ipv6
-ipv6="no"
+if test "$ipv6" != "yes" ; then
+  ipv6="no"
+fi
 cat > $TMPC << EOF
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -1324,17 +1469,18 @@ EOF
 if compile_prog "" "" "ipv6"; then
   ipv6="yes"
 fi
-echo "IPv6 helpers                  $ipv6"
+print_config "IPv6 helpers" "$ipv6"
 
 ##########################################
 # check for rbd
-rbd="no"
+if test "$rbd" != "yes" ; then
+  rbd="no"
+fi
 cat > $TMPC << EOF
 #include <rbd/librbd.h>
 
 int main(int argc, char **argv)
 {
-
   rados_t cluster;
   rados_ioctx_t io_ctx;
   const char pool[] = "rbd";
@@ -1350,11 +1496,13 @@ if test "$disable_rbd" != "yes"  && compile_prog "" "-lrbd -lrados" "rbd"; then
   LIBS="-lrbd -lrados $LIBS"
   rbd="yes"
 fi
-echo "Rados Block Device engine     $rbd"
+print_config "Rados Block Device engine" "$rbd"
 
 ##########################################
 # check for rbd_poll
-rbd_poll="no"
+if test "$rbd_poll" != "yes" ; then
+  rbd_poll="no"
+fi
 if test "$rbd" = "yes"; then
 cat > $TMPC << EOF
 #include <rbd/librbd.h>
@@ -1375,12 +1523,14 @@ EOF
 if compile_prog "" "-lrbd -lrados" "rbd"; then
   rbd_poll="yes"
 fi
-echo "rbd_poll                      $rbd_poll"
+print_config "rbd_poll" "$rbd_poll"
 fi
 
 ##########################################
 # check for rbd_invaidate_cache()
-rbd_inval="no"
+if test "$rbd_inval" != "yes" ; then
+  rbd_inval="no"
+fi
 if test "$rbd" = "yes"; then
 cat > $TMPC << EOF
 #include <rbd/librbd.h>
@@ -1395,12 +1545,14 @@ EOF
 if compile_prog "" "-lrbd -lrados" "rbd"; then
   rbd_inval="yes"
 fi
-echo "rbd_invalidate_cache          $rbd_inval"
+print_config "rbd_invalidate_cache" "$rbd_inval"
 fi
 
 ##########################################
 # check for blkin
-rbd_blkin="no"
+if test "$rbd_blkin" != "yes" ; then
+  rbd_blkin="no"
+fi
 cat > $TMPC << EOF
 #include <rbd/librbd.h>
 #include <zipkin_c.h>
@@ -1424,11 +1576,13 @@ if test "$disable_rbd" != "yes" && test "$disable_rbd_blkin" != "yes" \
   LIBS="-lblkin $LIBS"
   rbd_blkin="yes"
 fi
-echo "rbd blkin tracing             $rbd_blkin"
+print_config "rbd blkin tracing" "$rbd_blkin"
 
 ##########################################
 # Check whether we have setvbuf
-setvbuf="no"
+if test "$setvbuf" != "yes" ; then
+  setvbuf="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 int main(int argc, char **argv)
@@ -1442,16 +1596,18 @@ EOF
 if compile_prog "" "" "setvbuf"; then
   setvbuf="yes"
 fi
-echo "setvbuf                       $setvbuf"
+print_config "setvbuf" "$setvbuf"
 
+##########################################
 # check for gfapi
-gfapi="no"
+if test "$gfapi" != "yes" ; then
+  gfapi="no"
+fi
 cat > $TMPC << EOF
 #include <glusterfs/api/glfs.h>
 
 int main(int argc, char **argv)
 {
-
   glfs_t *g = glfs_new("foo");
 
   return 0;
@@ -1461,10 +1617,10 @@ if test "$disable_gfapi" != "yes"  && compile_prog "" "-lgfapi -lglusterfs" "gfa
   LIBS="-lgfapi -lglusterfs $LIBS"
   gfapi="yes"
 fi
- echo "Gluster API engine            $gfapi"
+print_config "Gluster API engine" "$gfapi"
 
 ##########################################
-# check for gfapi fadvise support
+# check for gfapi fadvise support, initialize with "no" only if $gfapi is set to "yes"
 if test "$gfapi" = "yes" ; then
 gf_fadvise="no"
 cat > $TMPC << EOF
@@ -1481,12 +1637,14 @@ EOF
 if compile_prog "" "-lgfapi -lglusterfs" "gfapi"; then
   gf_fadvise="yes"
 fi
-echo "Gluster API use fadvise       $gf_fadvise"
+print_config "Gluster API use fadvise" "$gf_fadvise"
 fi
 
 ##########################################
 # check for gfapi trim support
-gf_trim="no"
+if test "$gf_trim" != "yes" ; then
+  gf_trim="no"
+fi
 if test "$gfapi" = "yes" ; then
 cat > $TMPC << EOF
 #include <glusterfs/api/glfs.h>
@@ -1499,12 +1657,14 @@ EOF
 if compile_prog "" "-lgfapi -lglusterfs" "gf trim"; then
   gf_trim="yes"
 fi
-echo "Gluster API trim support      $gf_trim"
+print_config "Gluster API trim support" "$gf_trim"
 fi
 
 ##########################################
 # Check if we support stckf on s390
-s390_z196_facilities="no"
+if test "$s390_z196_facilities" != "yes" ; then
+  s390_z196_facilities="no"
+fi
 cat > $TMPC << EOF
 #define STFLE_BITS_Z196 45 /* various z196 facilities ... */
 int main(int argc, char **argv)
@@ -1527,11 +1687,11 @@ int main(int argc, char **argv)
 EOF
 if compile_prog "" "" "s390_z196_facilities"; then
   $TMPE
-  if [[ $? -eq 0 ]]; then
+  if [ $? -eq 0 ]; then
   	s390_z196_facilities="yes"
   fi
 fi
-echo "s390_z196_facilities          $s390_z196_facilities"
+print_config "s390_z196_facilities" "$s390_z196_facilities"
 
 ##########################################
 # Check if we have required environment variables configured for libhdfs
@@ -1557,11 +1717,13 @@ if test "$libhdfs" = "yes" ; then
     FIO_HDFS_CPU="amd64"
   fi
 fi
-echo "HDFS engine                   $libhdfs"
+print_config "HDFS engine" "$libhdfs"
 
 ##########################################
 # Check whether we have MTD
-mtd="no"
+if test "$mtd" != "yes" ; then
+  mtd="no"
+fi
 cat > $TMPC << EOF
 #include <string.h>
 #include <mtd/mtd-user.h>
@@ -1578,11 +1740,13 @@ EOF
 if compile_prog "" "" "mtd"; then
   mtd="yes"
 fi
-echo "MTD                           $mtd"
+print_config "MTD" "$mtd"
 
 ##########################################
 # Check whether we have libpmem
-libpmem="no"
+if test "$libpmem" != "yes" ; then
+  libpmem="no"
+fi
 cat > $TMPC << EOF
 #include <libpmem.h>
 int main(int argc, char **argv)
@@ -1596,12 +1760,14 @@ if compile_prog "" "-lpmem" "libpmem"; then
   libpmem="yes"
   LIBS="-lpmem $LIBS"
 fi
-echo "libpmem                       $libpmem"
+print_config "libpmem" "$libpmem"
 
 ##########################################
 # Check whether we have libpmemblk
 # libpmem is a prerequisite
-libpmemblk="no"
+if test "$libpmemblk" != "yes" ; then
+  libpmemblk="no"
+fi
 if test "$libpmem" = "yes"; then
   cat > $TMPC << EOF
 #include <libpmemblk.h>
@@ -1617,7 +1783,7 @@ EOF
     LIBS="-lpmemblk $LIBS"
   fi
 fi
-echo "libpmemblk                    $libpmemblk"
+print_config "libpmemblk" "$libpmemblk"
 
 # Choose the ioengines
 if test "$libpmem" = "yes" && test "$disable_pmem" = "no"; then
@@ -1629,12 +1795,13 @@ fi
 
 ##########################################
 # Report whether pmemblk engine is enabled
-echo "NVML pmemblk engine           $pmemblk"
+print_config "NVML pmemblk engine" "$pmemblk"
 
 ##########################################
 # Report whether dev-dax engine is enabled
-echo "NVML dev-dax engine           $devdax"
+print_config "NVML dev-dax engine" "$devdax"
 
+##########################################
 # Check if we have lex/yacc available
 yacc="no"
 yacc_is_bison="no"
@@ -1693,11 +1860,13 @@ fi
 fi
 fi
 
-echo "lex/yacc for arithmetic       $arith"
+print_config "lex/yacc for arithmetic" "$arith"
 
 ##########################################
 # Check whether we have setmntent/getmntent
-getmntent="no"
+if test "$getmntent" != "yes" ; then
+  getmntent="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <mntent.h>
@@ -1712,7 +1881,7 @@ EOF
 if compile_prog "" "" "getmntent"; then
   getmntent="yes"
 fi
-echo "getmntent                     $getmntent"
+print_config "getmntent" "$getmntent"
 
 ##########################################
 # Check whether we have getmntinfo
@@ -1721,7 +1890,9 @@ echo "getmntent                     $getmntent"
 
 # getmntinfo(3) for FreeBSD/DragonFlyBSD/OpenBSD.
 # Note that NetBSD needs -Werror to catch warning as error.
-getmntinfo="no"
+if test "$getmntinfo" != "yes" ; then
+  getmntinfo="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <sys/param.h>
@@ -1735,10 +1906,12 @@ EOF
 if compile_prog "-Werror" "" "getmntinfo"; then
   getmntinfo="yes"
 fi
-echo "getmntinfo                    $getmntinfo"
+print_config "getmntinfo" "$getmntinfo"
 
 # getmntinfo(3) for NetBSD.
-getmntinfo_statvfs="no"
+if test "$getmntinfo_statvfs" != "yes" ; then
+  getmntinfo_statvfs="no"
+fi
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <sys/statvfs.h>
@@ -1751,25 +1924,18 @@ EOF
 # Skip the test if the one with statfs arg is detected.
 if test "$getmntinfo" != "yes" && compile_prog "-Werror" "" "getmntinfo_statvfs"; then
   getmntinfo_statvfs="yes"
-  echo "getmntinfo_statvfs            $getmntinfo_statvfs"
+  print_config "getmntinfo_statvfs" "$getmntinfo_statvfs"
 fi
 
 ##########################################
 # Check whether we have _Static_assert
-static_assert="no"
+if test "$static_assert" != "yes" ; then
+  static_assert="no"
+fi
 cat > $TMPC << EOF
 #include <assert.h>
 #include <stdlib.h>
-#undef offsetof
-#ifdef __compiler_offsetof
-#define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
-#else
-#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
-#endif
-
-#define container_of(ptr, type, member) ({			\
-	const typeof( ((type *)0)->member ) *__mptr = (ptr);	\
-	(type *)( (char *)__mptr - offsetof(type,member) );})
+#include <stddef.h>
 
 struct foo {
   int a, b;
@@ -1784,11 +1950,13 @@ EOF
 if compile_prog "" "" "static_assert"; then
     static_assert="yes"
 fi
-echo "Static Assert                 $static_assert"
+print_config "Static Assert" "$static_assert"
 
 ##########################################
 # Check whether we have bool / stdbool.h
-have_bool="no"
+if test "$have_bool" != "yes" ; then
+  have_bool="no"
+fi
 cat > $TMPC << EOF
 #include <stdbool.h>
 int main(int argc, char **argv)
@@ -1800,13 +1968,38 @@ EOF
 if compile_prog "" "" "bool"; then
   have_bool="yes"
 fi
-echo "bool                          $have_bool"
+print_config "bool" "$have_bool"
+
+##########################################
+# Check whether we have strndup()
+strndup="no"
+cat > $TMPC << EOF
+#include <string.h>
+#include <stdlib.h>
+int main(int argc, char **argv)
+{
+  char *res = strndup("test string", 8);
+
+  free(res);
+  return 0;
+}
+EOF
+if compile_prog "" "" "strndup"; then
+  strndup="yes"
+fi
+print_config "strndup" "$strndup"
 
 ##########################################
 # check march=armv8-a+crc+crypto
-march_armv8_a_crc_crypto="no"
+if test "$march_armv8_a_crc_crypto" != "yes" ; then
+  march_armv8_a_crc_crypto="no"
+fi
 if test "$cpu" = "arm64" ; then
   cat > $TMPC <<EOF
+#include <sys/auxv.h>
+#include <arm_acle.h>
+#include <arm_neon.h>
+
 int main(void)
 {
   return 0;
@@ -1817,8 +2010,25 @@ EOF
     CFLAGS="$CFLAGS -march=armv8-a+crc+crypto -DARCH_HAVE_CRC_CRYPTO"
   fi
 fi
-echo "march_armv8_a_crc_crypto      $march_armv8_a_crc_crypto"
+print_config "march_armv8_a_crc_crypto" "$march_armv8_a_crc_crypto"
 
+##########################################
+# cuda probe
+if test "$cuda" != "yes" ; then
+  cuda="no"
+fi
+cat > $TMPC << EOF
+#include <cuda.h>
+int main(int argc, char **argv)
+{
+  return cuInit(0);
+}
+EOF
+if test "$enable_cuda" = "yes" && compile_prog "" "-lcuda" "cuda"; then
+  cuda="yes"
+  LIBS="-lcuda $LIBS"
+fi
+print_config "cuda" "$cuda"
 
 #############################################################################
 
@@ -1846,6 +2056,9 @@ fi
 if test "$posix_aio_fsync" = "yes" ; then
   output_sym "CONFIG_POSIXAIO_FSYNC"
 fi
+if test "$posix_pshared" = "yes" ; then
+  output_sym "CONFIG_PSHARED"
+fi
 if test "$linux_fallocate" = "yes" ; then
   output_sym "CONFIG_LINUX_FALLOCATE"
 fi
@@ -1933,7 +2146,7 @@ if test "$rusage_thread" = "yes" ; then
   output_sym "CONFIG_RUSAGE_THREAD"
 fi
 if test "$gfio" = "yes" ; then
-  echo "CONFIG_GFIO=y" >> $config_host_mak
+  output_sym "CONFIG_GFIO"
 fi
 if test "$esx" = "yes" ; then
   output_sym "CONFIG_ESX"
@@ -2033,10 +2246,18 @@ fi
 if test "$have_bool" = "yes" ; then
   output_sym "CONFIG_HAVE_BOOL"
 fi
-
+if test "$strndup" = "yes" ; then
+  output_sym "CONFIG_HAVE_STRNDUP"
+fi
+if test "$disable_opt" = "yes" ; then
+  output_sym "CONFIG_DISABLE_OPTIMIZATIONS"
+fi
 if test "$zlib" = "no" ; then
   echo "Consider installing zlib-dev (zlib-devel), some fio features depend on it."
 fi
+if test "$cuda" = "yes" ; then
+  output_sym "CONFIG_CUDA"
+fi
 
 echo "LIBS+=$LIBS" >> $config_host_mak
 echo "GFIO_LIBS+=$GFIO_LIBS" >> $config_host_mak