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1#!/bin/sh
2#
3# Fio configure script. Heavily influenced by the manual qemu configure
4# script. Sad this this is easier than autoconf and enemies.
5#
6
7# set temporary file name
8if test ! -z "$TMPDIR" ; then
9    TMPDIR1="${TMPDIR}"
10elif test ! -z "$TEMPDIR" ; then
11    TMPDIR1="${TEMPDIR}"
12else
13    TMPDIR1="/tmp"
14fi
15
16TMPC="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.c"
17TMPO="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.o"
18TMPE="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.exe"
19
20# NB: do not call "exit" in the trap handler; this is buggy with some shells;
21# see <1285349658-3122-1-git-send-email-loic.minier@linaro.org>
22trap "rm -f $TMPC $TMPO $TMPE" EXIT INT QUIT TERM
23
24rm -rf config.log
25
26config_host_mak="config-host.mak"
27config_host_h="config-host.h"
28
29rm -rf $config_host_mak
30rm -rf $config_host_h
31
32fatal() {
33  echo $@
34  echo "Configure failed, check config.log and/or the above output"
35  rm -rf $config_host_mak
36  rm -rf $config_host_h
37  exit 1
38}
39
40# Default CFLAGS
41CFLAGS="-D_GNU_SOURCE -include config-host.h"
42BUILD_CFLAGS=""
43
44# Print a helpful header at the top of config.log
45echo "# FIO configure log $(date)" >> config.log
46printf "# Configured with:" >> config.log
47printf " '%s'" "$0" "$@" >> config.log
48echo >> config.log
49echo "#" >> config.log
50
51# Print configure header at the top of $config_host_h
52echo "/*" > $config_host_h
53echo " * Automatically generated by configure - do not modify" >> $config_host_h
54printf " * Configured with:" >> $config_host_h
55printf " * '%s'" "$0" "$@" >> $config_host_h
56echo "" >> $config_host_h
57echo " */" >> $config_host_h
58
59do_cc() {
60    # Run the compiler, capturing its output to the log.
61    echo $cc "$@" >> config.log
62    $cc "$@" >> config.log 2>&1 || return $?
63    # Test passed. If this is an --enable-werror build, rerun
64    # the test with -Werror and bail out if it fails. This
65    # makes warning-generating-errors in configure test code
66    # obvious to developers.
67    if test "$werror" != "yes"; then
68        return 0
69    fi
70    # Don't bother rerunning the compile if we were already using -Werror
71    case "$*" in
72        *-Werror*)
73           return 0
74        ;;
75    esac
76    echo $cc -Werror "$@" >> config.log
77    $cc -Werror "$@" >> config.log 2>&1 && return $?
78    echo "ERROR: configure test passed without -Werror but failed with -Werror."
79    echo "This is probably a bug in the configure script. The failing command"
80    echo "will be at the bottom of config.log."
81    fatal "You can run configure with --disable-werror to bypass this check."
82}
83
84compile_object() {
85  do_cc $CFLAGS -c -o $TMPO $TMPC
86}
87
88compile_prog() {
89  local_cflags="$1"
90  local_ldflags="$2 $LIBS"
91  echo "Compiling test case $3" >> config.log
92  do_cc $CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
93}
94
95feature_not_found() {
96  feature=$1
97  packages=$2
98
99  echo "ERROR"
100  echo "ERROR: User requested feature $feature"
101  if test ! -z "$packages" ; then
102    echo "ERROR: That feature needs $packages installed"
103  fi
104  echo "ERROR: configure was not able to find it"
105  fatal "ERROR"
106}
107
108has() {
109  type "$1" >/dev/null 2>&1
110}
111
112check_define() {
113  cat > $TMPC <<EOF
114#if !defined($1)
115#error $1 not defined
116#endif
117int main(void)
118{
119  return 0;
120}
121EOF
122  compile_object
123}
124
125output_sym() {
126  echo "$1=y" >> $config_host_mak
127  echo "#define $1" >> $config_host_h
128}
129
130targetos=""
131cpu=""
132
133# default options
134show_help="no"
135exit_val=0
136gfio_check="no"
137libhdfs="no"
138pmemblk="no"
139devdax="no"
140disable_lex=""
141disable_pmem="no"
142prefix=/usr/local
143
144# parse options
145for opt do
146  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
147  case "$opt" in
148  --prefix=*) prefix="$optarg"
149  ;;
150  --cpu=*) cpu="$optarg"
151  ;;
152  #  esx is cross compiled and cannot be detect through simple uname calls
153  --esx)
154  esx="yes"
155  ;;
156  --cc=*) CC="$optarg"
157  ;;
158  --extra-cflags=*) CFLAGS="$CFLAGS $optarg"
159  ;;
160  --build-32bit-win) build_32bit_win="yes"
161  ;;
162  --build-static) build_static="yes"
163  ;;
164  --enable-gfio) gfio_check="yes"
165  ;;
166  --disable-numa) disable_numa="yes"
167  ;;
168  --disable-rdma) disable_rdma="yes"
169  ;;
170  --disable-rbd) disable_rbd="yes"
171  ;;
172  --disable-rbd-blkin) disable_rbd_blkin="yes"
173  ;;
174  --disable-gfapi) disable_gfapi="yes"
175  ;;
176  --enable-libhdfs) libhdfs="yes"
177  ;;
178  --disable-lex) disable_lex="yes"
179  ;;
180  --enable-lex) disable_lex="no"
181  ;;
182  --disable-shm) no_shm="yes"
183  ;;
184  --disable-optimizations) disable_opt="yes"
185  ;;
186  --disable-pmem) disable_pmem="yes"
187  ;;
188  --enable-cuda) enable_cuda="yes"
189  ;;
190  --help)
191    show_help="yes"
192    ;;
193  *)
194  echo "Bad option $opt"
195  show_help="yes"
196  exit_val=1
197  esac
198done
199
200if test "$show_help" = "yes" ; then
201  echo "--prefix=               Use this directory as installation prefix"
202  echo "--cpu=                  Specify target CPU if auto-detect fails"
203  echo "--cc=                   Specify compiler to use"
204  echo "--extra-cflags=         Specify extra CFLAGS to pass to compiler"
205  echo "--build-32bit-win       Enable 32-bit build on Windows"
206  echo "--build-static          Build a static fio"
207  echo "--esx                   Configure build options for esx"
208  echo "--enable-gfio           Enable building of gtk gfio"
209  echo "--disable-numa          Disable libnuma even if found"
210  echo "--disable-rdma          Disable RDMA support even if found"
211  echo "--disable-gfapi         Disable gfapi"
212  echo "--enable-libhdfs        Enable hdfs support"
213  echo "--disable-lex           Disable use of lex/yacc for math"
214  echo "--disable-pmem          Disable pmem based engines even if found"
215  echo "--enable-lex            Enable use of lex/yacc for math"
216  echo "--disable-shm           Disable SHM support"
217  echo "--disable-optimizations Don't enable compiler optimizations"
218  echo "--enable-cuda           Enable GPUDirect RDMA support"
219  exit $exit_val
220fi
221
222cross_prefix=${cross_prefix-${CROSS_COMPILE}}
223cc="${CC-${cross_prefix}gcc}"
224
225if check_define __ANDROID__ ; then
226  targetos="Android"
227elif check_define __linux__ ; then
228  targetos="Linux"
229elif check_define __OpenBSD__ ; then
230  targetos='OpenBSD'
231elif check_define __sun__ ; then
232  targetos='SunOS'
233  CFLAGS="$CFLAGS -D_REENTRANT"
234elif check_define _WIN32 ; then
235  targetos='CYGWIN'
236else
237  targetos=`uname -s`
238fi
239
240echo "# Automatically generated by configure - do not modify" > $config_host_mak
241printf "# Configured with:" >> $config_host_mak
242printf " '%s'" "$0" "$@" >> $config_host_mak
243echo >> $config_host_mak
244echo "CONFIG_TARGET_OS=$targetos" >> $config_host_mak
245
246if test "$no_shm" = "yes" ; then
247  output_sym "CONFIG_NO_SHM"
248fi
249
250if test "$disable_opt" = "yes" ; then
251  output_sym "CONFIG_FIO_NO_OPT"
252fi
253
254# Some host OSes need non-standard checks for which CPU to use.
255# Note that these checks are broken for cross-compilation: if you're
256# cross-compiling to one of these OSes then you'll need to specify
257# the correct CPU with the --cpu option.
258case $targetos in
259AIX|OpenBSD)
260  # Unless explicitly enabled, turn off lex.
261  # OpenBSD will hit syntax error when enabled.
262  if test -z "$disable_lex" ; then
263    disable_lex="yes"
264  else
265    force_no_lex_o="yes"
266  fi
267  ;;
268Darwin)
269  # on Leopard most of the system is 32-bit, so we have to ask the kernel if
270  # we can run 64-bit userspace code.
271  # If the user didn't specify a CPU explicitly and the kernel says this is
272  # 64 bit hw, then assume x86_64. Otherwise fall through to the usual
273  # detection code.
274  if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
275    cpu="x86_64"
276  fi
277  # Error at compile time linking of weak/partial symbols if possible...
278cat > $TMPC <<EOF
279int main(void)
280{
281  return 0;
282}
283EOF
284  if compile_prog "" "-Wl,-no_weak_imports" "disable weak symbols"; then
285    echo "Disabling weak symbols"
286    LDFLAGS="$LDFLAGS -Wl,-no_weak_imports"
287  fi
288  ;;
289SunOS)
290  # `uname -m` returns i86pc even on an x86_64 box, so default based on isainfo
291  if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
292    cpu="x86_64"
293  fi
294  LIBS="-lnsl -lsocket"
295  ;;
296CYGWIN*)
297  # We still force some options, so keep this message here.
298  echo "Forcing some known good options on Windows"
299  if test -z "$CC" ; then
300    if test ! -z "$build_32bit_win" && test "$build_32bit_win" = "yes"; then
301      CC="i686-w64-mingw32-gcc"
302      if test -e "../zlib/contrib/vstudio/vc14/x86/ZlibStatReleaseWithoutAsm/zlibstat.lib"; then
303        echo "Building with zlib support"
304        output_sym "CONFIG_ZLIB"
305        echo "LIBS=../zlib/contrib/vstudio/vc14/x86/ZlibStatReleaseWithoutAsm/zlibstat.lib" >> $config_host_mak
306      fi
307    else
308      CC="x86_64-w64-mingw32-gcc"
309      if test -e "../zlib/contrib/vstudio/vc14/x64/ZlibStatReleaseWithoutAsm/zlibstat.lib"; then
310        echo "Building with zlib support"
311        output_sym "CONFIG_ZLIB"
312        echo "LIBS=../zlib/contrib/vstudio/vc14/x64/ZlibStatReleaseWithoutAsm/zlibstat.lib" >> $config_host_mak
313      fi
314    fi
315  fi
316  if test ! -z "$build_32bit_win" && test "$build_32bit_win" = "yes"; then
317    output_sym "CONFIG_32BIT"
318  else
319    output_sym "CONFIG_64BIT_LLP64"
320  fi
321  # We need this to be output_sym'd here because this is Windows specific.
322  # The regular configure path never sets this config.
323  output_sym "CONFIG_WINDOWSAIO"
324  # We now take the regular configuration path without having exit 0 here.
325  # Flags below are still necessary mostly for MinGW.
326  socklen_t="yes"
327  sfaa="yes"
328  rusage_thread="yes"
329  fdatasync="yes"
330  clock_gettime="yes" # clock_monotonic probe has dependency on this
331  clock_monotonic="yes"
332  gettimeofday="yes"
333  sched_idle="yes"
334  tcp_nodelay="yes"
335  tls_thread="yes"
336  static_assert="yes"
337  ipv6="yes"
338  echo "CC=$CC" >> $config_host_mak
339  echo "BUILD_CFLAGS=$CFLAGS -I../zlib -include config-host.h -D_GNU_SOURCE" >> $config_host_mak
340  ;;
341esac
342
343if test ! -z "$cpu" ; then
344  # command line argument
345  :
346elif check_define __i386__ ; then
347  cpu="i386"
348elif check_define __x86_64__ ; then
349  cpu="x86_64"
350elif check_define __sparc__ ; then
351  if check_define __arch64__ ; then
352    cpu="sparc64"
353  else
354    cpu="sparc"
355  fi
356elif check_define _ARCH_PPC ; then
357  if check_define _ARCH_PPC64 ; then
358    cpu="ppc64"
359  else
360    cpu="ppc"
361  fi
362elif check_define __mips__ ; then
363  cpu="mips"
364elif check_define __ia64__ ; then
365  cpu="ia64"
366elif check_define __s390__ ; then
367  if check_define __s390x__ ; then
368    cpu="s390x"
369  else
370    cpu="s390"
371  fi
372elif check_define __arm__ ; then
373  cpu="arm"
374elif check_define __aarch64__ ; then
375  cpu="aarch64"
376elif check_define __hppa__ ; then
377  cpu="hppa"
378else
379  cpu=`uname -m`
380fi
381
382# Normalise host CPU name and set ARCH.
383case "$cpu" in
384  ia64|ppc|ppc64|s390|s390x|sparc64)
385    cpu="$cpu"
386  ;;
387  i386|i486|i586|i686|i86pc|BePC)
388    cpu="x86"
389  ;;
390  x86_64|amd64)
391    cpu="x86_64"
392  ;;
393  armv*b|armv*l|arm)
394    cpu="arm"
395  ;;
396  aarch64)
397    cpu="arm64"
398  ;;
399  hppa|parisc|parisc64)
400    cpu="hppa"
401  ;;
402  mips*)
403    cpu="mips"
404  ;;
405  sparc|sun4[cdmuv])
406    cpu="sparc"
407  ;;
408  *)
409  echo "Unknown CPU"
410  ;;
411esac
412
413if test -z "$CC" ; then
414  if test "$targetos" = "FreeBSD"; then
415    if has clang; then
416      CC=clang
417    else
418      CC=gcc
419    fi
420  fi
421fi
422
423cc="${CC-${cross_prefix}gcc}"
424
425##########################################
426# check cross compile
427
428if test "$cross_compile" != "yes" ; then
429  cross_compile="no"
430fi
431cat > $TMPC <<EOF
432int main(void)
433{
434  return 0;
435}
436EOF
437if compile_prog "" "" "cross"; then
438  $TMPE 2>/dev/null || cross_compile="yes"
439else
440  fatal "compile test failed"
441fi
442
443##########################################
444# check endianness
445if test "$bigendian" != "yes" ; then
446  bigendian="no"
447fi
448if test "$cross_compile" = "no" ; then
449  cat > $TMPC <<EOF
450#include <inttypes.h>
451int main(void)
452{
453  volatile uint32_t i=0x01234567;
454  return (*((uint8_t*)(&i))) == 0x67;
455}
456EOF
457  if compile_prog "" "" "endian"; then
458    $TMPE && bigendian="yes"
459  fi
460else
461  # If we're cross compiling, try our best to work it out and rely on the
462  # run-time check to fail if we get it wrong.
463  cat > $TMPC <<EOF
464#include <endian.h>
465int main(void)
466{
467#if __BYTE_ORDER != __BIG_ENDIAN
468# error "Unknown endianness"
469#endif
470}
471EOF
472  compile_prog "" "" "endian" && bigendian="yes"
473  check_define "__ARMEB__" && bigendian="yes"
474  check_define "__MIPSEB__" && bigendian="yes"
475fi
476
477
478echo "Operating system              $targetos"
479echo "CPU                           $cpu"
480echo "Big endian                    $bigendian"
481echo "Compiler                      $cc"
482echo "Cross compile                 $cross_compile"
483echo
484
485##########################################
486# See if we need to build a static build
487if test "$build_static" = "yes" ; then
488  CFLAGS="$CFLAGS -ffunction-sections -fdata-sections"
489  LDFLAGS="$LDFLAGS -static -Wl,--gc-sections"
490else
491  build_static="no"
492fi
493echo "Static build                  $build_static"
494
495##########################################
496# check for wordsize
497wordsize="0"
498cat > $TMPC <<EOF
499#include <limits.h>
500#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
501int main(void)
502{
503  BUILD_BUG_ON(sizeof(long)*CHAR_BIT != WORDSIZE);
504  return 0;
505}
506EOF
507if compile_prog "-DWORDSIZE=32" "" "wordsize"; then
508  wordsize="32"
509elif compile_prog "-DWORDSIZE=64" "" "wordsize"; then
510  wordsize="64"
511else
512  fatal "Unknown wordsize"
513fi
514echo "Wordsize                      $wordsize"
515
516##########################################
517# zlib probe
518if test "$zlib" != "yes" ; then
519  zlib="no"
520fi
521cat > $TMPC <<EOF
522#include <zlib.h>
523int main(void)
524{
525  z_stream stream;
526  if (inflateInit(&stream) != Z_OK)
527    return 1;
528  return 0;
529}
530EOF
531if compile_prog "" "-lz" "zlib" ; then
532  zlib=yes
533  LIBS="-lz $LIBS"
534fi
535echo "zlib                          $zlib"
536
537##########################################
538# linux-aio probe
539if test "$libaio" != "yes" ; then
540  libaio="no"
541fi
542if test "$esx" != "yes" ; then
543  cat > $TMPC <<EOF
544#include <libaio.h>
545#include <stddef.h>
546int main(void)
547{
548  io_setup(0, NULL);
549  return 0;
550}
551EOF
552  if compile_prog "" "-laio" "libaio" ; then
553    libaio=yes
554    LIBS="-laio $LIBS"
555  else
556    if test "$libaio" = "yes" ; then
557      feature_not_found "linux AIO" "libaio-dev or libaio-devel"
558    fi
559    libaio=no
560  fi
561fi
562echo "Linux AIO support             $libaio"
563
564##########################################
565# posix aio probe
566if test "$posix_aio" != "yes" ; then
567  posix_aio="no"
568fi
569if test "$posix_aio_lrt" != "yes" ; then
570  posix_aio_lrt="no"
571fi
572cat > $TMPC <<EOF
573#include <aio.h>
574int main(void)
575{
576  struct aiocb cb;
577  aio_read(&cb);
578  return 0;
579}
580EOF
581if compile_prog "" "" "posixaio" ; then
582  posix_aio="yes"
583elif compile_prog "" "-lrt" "posixaio"; then
584  posix_aio="yes"
585  posix_aio_lrt="yes"
586  LIBS="-lrt $LIBS"
587fi
588echo "POSIX AIO support             $posix_aio"
589echo "POSIX AIO support needs -lrt  $posix_aio_lrt"
590
591##########################################
592# posix aio fsync probe
593if test "$posix_aio_fsync" != "yes" ; then
594  posix_aio_fsync="no"
595fi
596if test "$posix_aio" = "yes" ; then
597  cat > $TMPC <<EOF
598#include <fcntl.h>
599#include <aio.h>
600int main(void)
601{
602  struct aiocb cb;
603  return aio_fsync(O_SYNC, &cb);
604  return 0;
605}
606EOF
607  if compile_prog "" "$LIBS" "posix_aio_fsync" ; then
608    posix_aio_fsync=yes
609  fi
610fi
611echo "POSIX AIO fsync               $posix_aio_fsync"
612
613##########################################
614# POSIX pshared attribute probe
615if test "$posix_pshared" != "yes" ; then
616  posix_pshared="no"
617fi
618cat > $TMPC <<EOF
619#include <unistd.h>
620int main(void)
621{
622#if defined(_POSIX_THREAD_PROCESS_SHARED) && ((_POSIX_THREAD_PROCESS_SHARED + 0) > 0)
623# if defined(__CYGWIN__)
624#  error "_POSIX_THREAD_PROCESS_SHARED is buggy on Cygwin"
625# elif defined(__APPLE__)
626#  include <AvailabilityMacros.h>
627#  include <TargetConditionals.h>
628#  if TARGET_OS_MAC && MAC_OS_X_VERSION_MIN_REQUIRED < 1070
629#   error "_POSIX_THREAD_PROCESS_SHARED is buggy/unsupported prior to OSX 10.7"
630#  endif
631# endif
632#else
633# error "_POSIX_THREAD_PROCESS_SHARED is unsupported"
634#endif
635  return 0;
636}
637EOF
638if compile_prog "" "$LIBS" "posix_pshared" ; then
639  posix_pshared=yes
640fi
641echo "POSIX pshared support         $posix_pshared"
642
643##########################################
644# solaris aio probe
645if test "$solaris_aio" != "yes" ; then
646  solaris_aio="no"
647fi
648cat > $TMPC <<EOF
649#include <sys/types.h>
650#include <sys/asynch.h>
651#include <unistd.h>
652int main(void)
653{
654  aio_result_t res;
655  return aioread(0, NULL, 0, 0, SEEK_SET, &res);
656  return 0;
657}
658EOF
659if compile_prog "" "-laio" "solarisaio" ; then
660  solaris_aio=yes
661  LIBS="-laio $LIBS"
662fi
663echo "Solaris AIO support           $solaris_aio"
664
665##########################################
666# __sync_fetch_and_add test
667if test "$sfaa" != "yes" ; then
668  sfaa="no"
669fi
670cat > $TMPC << EOF
671#include <inttypes.h>
672static int sfaa(uint64_t *ptr)
673{
674  return __sync_fetch_and_add(ptr, 0);
675}
676
677int main(int argc, char **argv)
678{
679  uint64_t val = 42;
680  sfaa(&val);
681  return val;
682}
683EOF
684if compile_prog "" "" "__sync_fetch_and_add()" ; then
685    sfaa="yes"
686fi
687echo "__sync_fetch_and_add          $sfaa"
688
689##########################################
690# libverbs probe
691if test "$libverbs" != "yes" ; then
692  libverbs="no"
693fi
694cat > $TMPC << EOF
695#include <stdio.h>
696#include <infiniband/arch.h>
697int main(int argc, char **argv)
698{
699  struct ibv_pd *pd = ibv_alloc_pd(NULL);
700  return 0;
701}
702EOF
703if test "$disable_rdma" != "yes" && compile_prog "" "-libverbs" "libverbs" ; then
704    libverbs="yes"
705    LIBS="-libverbs $LIBS"
706fi
707echo "libverbs                      $libverbs"
708
709##########################################
710# rdmacm probe
711if test "$rdmacm" != "yes" ; then
712  rdmacm="no"
713fi
714cat > $TMPC << EOF
715#include <stdio.h>
716#include <rdma/rdma_cma.h>
717int main(int argc, char **argv)
718{
719  rdma_destroy_qp(NULL);
720  return 0;
721}
722EOF
723if test "$disable_rdma" != "yes" && compile_prog "" "-lrdmacm" "rdma"; then
724    rdmacm="yes"
725    LIBS="-lrdmacm $LIBS"
726fi
727echo "rdmacm                        $rdmacm"
728
729##########################################
730# Linux fallocate probe
731if test "$linux_fallocate" != "yes" ; then
732  linux_fallocate="no"
733fi
734cat > $TMPC << EOF
735#include <stdio.h>
736#include <fcntl.h>
737#include <linux/falloc.h>
738int main(int argc, char **argv)
739{
740  int r = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 1024);
741  return r;
742}
743EOF
744if compile_prog "" "" "linux_fallocate"; then
745    linux_fallocate="yes"
746fi
747echo "Linux fallocate               $linux_fallocate"
748
749##########################################
750# POSIX fadvise probe
751if test "$posix_fadvise" != "yes" ; then
752  posix_fadvise="no"
753fi
754cat > $TMPC << EOF
755#include <stdio.h>
756#include <fcntl.h>
757int main(int argc, char **argv)
758{
759  int r = posix_fadvise(0, 0, 0, POSIX_FADV_NORMAL);
760  return r;
761}
762EOF
763if compile_prog "" "" "posix_fadvise"; then
764    posix_fadvise="yes"
765fi
766echo "POSIX fadvise                 $posix_fadvise"
767
768##########################################
769# POSIX fallocate probe
770if test "$posix_fallocate" != "yes" ; then
771  posix_fallocate="no"
772fi
773cat > $TMPC << EOF
774#include <stdio.h>
775#include <fcntl.h>
776int main(int argc, char **argv)
777{
778  int r = posix_fallocate(0, 0, 1024);
779  return r;
780}
781EOF
782if compile_prog "" "" "posix_fallocate"; then
783    posix_fallocate="yes"
784fi
785echo "POSIX fallocate               $posix_fallocate"
786
787##########################################
788# sched_set/getaffinity 2 or 3 argument test
789if test "$linux_2arg_affinity" != "yes" ; then
790  linux_2arg_affinity="no"
791fi
792if test "$linux_3arg_affinity" != "yes" ; then
793  linux_3arg_affinity="no"
794fi
795cat > $TMPC << EOF
796#include <sched.h>
797int main(int argc, char **argv)
798{
799  cpu_set_t mask;
800  return sched_setaffinity(0, sizeof(mask), &mask);
801}
802EOF
803if compile_prog "" "" "sched_setaffinity(,,)"; then
804  linux_3arg_affinity="yes"
805else
806  cat > $TMPC << EOF
807#include <sched.h>
808int main(int argc, char **argv)
809{
810  cpu_set_t mask;
811  return sched_setaffinity(0, &mask);
812}
813EOF
814  if compile_prog "" "" "sched_setaffinity(,)"; then
815    linux_2arg_affinity="yes"
816  fi
817fi
818echo "sched_setaffinity(3 arg)      $linux_3arg_affinity"
819echo "sched_setaffinity(2 arg)      $linux_2arg_affinity"
820
821##########################################
822# clock_gettime probe
823if test "$clock_gettime" != "yes" ; then
824  clock_gettime="no"
825fi
826cat > $TMPC << EOF
827#include <stdio.h>
828#include <time.h>
829int main(int argc, char **argv)
830{
831  return clock_gettime(0, NULL);
832}
833EOF
834if compile_prog "" "" "clock_gettime"; then
835    clock_gettime="yes"
836elif compile_prog "" "-lrt" "clock_gettime"; then
837    clock_gettime="yes"
838    LIBS="-lrt $LIBS"
839fi
840echo "clock_gettime                 $clock_gettime"
841
842##########################################
843# CLOCK_MONOTONIC probe
844if test "$clock_monotonic" != "yes" ; then
845  clock_monotonic="no"
846fi
847if test "$clock_gettime" = "yes" ; then
848  cat > $TMPC << EOF
849#include <stdio.h>
850#include <time.h>
851int main(int argc, char **argv)
852{
853  return clock_gettime(CLOCK_MONOTONIC, NULL);
854}
855EOF
856  if compile_prog "" "$LIBS" "clock monotonic"; then
857      clock_monotonic="yes"
858  fi
859fi
860echo "CLOCK_MONOTONIC               $clock_monotonic"
861
862##########################################
863# CLOCK_MONOTONIC_RAW probe
864if test "$clock_monotonic_raw" != "yes" ; then
865  clock_monotonic_raw="no"
866fi
867if test "$clock_gettime" = "yes" ; then
868  cat > $TMPC << EOF
869#include <stdio.h>
870#include <time.h>
871int main(int argc, char **argv)
872{
873  return clock_gettime(CLOCK_MONOTONIC_RAW, NULL);
874}
875EOF
876  if compile_prog "" "$LIBS" "clock monotonic"; then
877      clock_monotonic_raw="yes"
878  fi
879fi
880echo "CLOCK_MONOTONIC_RAW           $clock_monotonic_raw"
881
882##########################################
883# CLOCK_MONOTONIC_PRECISE probe
884if test "$clock_monotonic_precise" != "yes" ; then
885  clock_monotonic_precise="no"
886fi
887if test "$clock_gettime" = "yes" ; then
888  cat > $TMPC << EOF
889#include <stdio.h>
890#include <time.h>
891int main(int argc, char **argv)
892{
893  return clock_gettime(CLOCK_MONOTONIC_PRECISE, NULL);
894}
895EOF
896  if compile_prog "" "$LIBS" "clock monotonic precise"; then
897      clock_monotonic_precise="yes"
898  fi
899fi
900echo "CLOCK_MONOTONIC_PRECISE       $clock_monotonic_precise"
901
902##########################################
903# clockid_t probe
904if test "$clockid_t" != "yes" ; then
905  clockid_t="no"
906fi
907cat > $TMPC << EOF
908#include <time.h>
909#include <string.h>
910int main(int argc, char **argv)
911{
912  volatile clockid_t cid;
913  memset((void*)&cid, 0, sizeof(cid));
914  return 0;
915}
916EOF
917if compile_prog "" "$LIBS" "clockid_t"; then
918  clockid_t="yes"
919fi
920echo "clockid_t                     $clockid_t"
921
922##########################################
923# gettimeofday() probe
924if test "$gettimeofday" != "yes" ; then
925  gettimeofday="no"
926fi
927cat > $TMPC << EOF
928#include <sys/time.h>
929#include <stdio.h>
930int main(int argc, char **argv)
931{
932  struct timeval tv;
933  return gettimeofday(&tv, NULL);
934}
935EOF
936if compile_prog "" "" "gettimeofday"; then
937    gettimeofday="yes"
938fi
939echo "gettimeofday                  $gettimeofday"
940
941##########################################
942# fdatasync() probe
943if test "$fdatasync" != "yes" ; then
944  fdatasync="no"
945fi
946cat > $TMPC << EOF
947#include <stdio.h>
948#include <unistd.h>
949int main(int argc, char **argv)
950{
951  return fdatasync(0);
952}
953EOF
954if compile_prog "" "" "fdatasync"; then
955  fdatasync="yes"
956fi
957echo "fdatasync                     $fdatasync"
958
959##########################################
960# sync_file_range() probe
961if test "$sync_file_range" != "yes" ; then
962  sync_file_range="no"
963fi
964cat > $TMPC << EOF
965#include <stdio.h>
966#include <unistd.h>
967#include <fcntl.h>
968#include <linux/fs.h>
969int main(int argc, char **argv)
970{
971  unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE | SYNC_FILE_RANGE_WRITE |
972			SYNC_FILE_RANGE_WAIT_AFTER;
973  return sync_file_range(0, 0, 0, flags);
974}
975EOF
976if compile_prog "" "" "sync_file_range"; then
977  sync_file_range="yes"
978fi
979echo "sync_file_range               $sync_file_range"
980
981##########################################
982# ext4 move extent probe
983if test "$ext4_me" != "yes" ; then
984  ext4_me="no"
985fi
986cat > $TMPC << EOF
987#include <fcntl.h>
988#include <sys/ioctl.h>
989int main(int argc, char **argv)
990{
991  struct move_extent me;
992  return ioctl(0, EXT4_IOC_MOVE_EXT, &me);
993}
994EOF
995if compile_prog "" "" "ext4 move extent" ; then
996  ext4_me="yes"
997elif test $targetos = "Linux" ; then
998  # On Linux, just default to it on and let it error at runtime if we really
999  # don't have it. None of my updated systems have it defined, but it does
1000  # work. Takes a while to bubble back.
1001  ext4_me="yes"
1002fi
1003echo "EXT4 move extent              $ext4_me"
1004
1005##########################################
1006# splice probe
1007if test "$linux_splice" != "yes" ; then
1008  linux_splice="no"
1009fi
1010cat > $TMPC << EOF
1011#include <stdio.h>
1012#include <fcntl.h>
1013int main(int argc, char **argv)
1014{
1015  return splice(0, NULL, 0, NULL, 0, SPLICE_F_NONBLOCK);
1016}
1017EOF
1018if compile_prog "" "" "linux splice"; then
1019  linux_splice="yes"
1020fi
1021echo "Linux splice(2)               $linux_splice"
1022
1023##########################################
1024# GUASI probe
1025if test "$guasi" != "yes" ; then
1026  guasi="no"
1027fi
1028cat > $TMPC << EOF
1029#include <guasi.h>
1030#include <guasi_syscalls.h>
1031int main(int argc, char **argv)
1032{
1033  guasi_t ctx = guasi_create(0, 0, 0);
1034  return 0;
1035}
1036EOF
1037if compile_prog "" "" "guasi"; then
1038  guasi="yes"
1039fi
1040echo "GUASI                         $guasi"
1041
1042##########################################
1043# fusion-aw probe
1044if test "$fusion_aw" != "yes" ; then
1045  fusion_aw="no"
1046fi
1047cat > $TMPC << EOF
1048#include <nvm/nvm_primitives.h>
1049int main(int argc, char **argv)
1050{
1051  nvm_version_t ver_info;
1052  nvm_handle_t handle;
1053
1054  handle = nvm_get_handle(0, &ver_info);
1055  return nvm_atomic_write(handle, 0, 0, 0);
1056}
1057EOF
1058if compile_prog "" "-L/usr/lib/fio -L/usr/lib/nvm -lnvm-primitives -ldl -lpthread" "fusion-aw"; then
1059  LIBS="-L/usr/lib/fio -L/usr/lib/nvm -lnvm-primitives -ldl -lpthread $LIBS"
1060  fusion_aw="yes"
1061fi
1062echo "Fusion-io atomic engine       $fusion_aw"
1063
1064##########################################
1065# libnuma probe
1066if test "$libnuma" != "yes" ; then
1067  libnuma="no"
1068fi
1069cat > $TMPC << EOF
1070#include <numa.h>
1071int main(int argc, char **argv)
1072{
1073  return numa_available();
1074}
1075EOF
1076if test "$disable_numa" != "yes"  && compile_prog "" "-lnuma" "libnuma"; then
1077  libnuma="yes"
1078  LIBS="-lnuma $LIBS"
1079fi
1080echo "libnuma                       $libnuma"
1081
1082##########################################
1083# libnuma 2.x version API, initialize with "no" only if $libnuma is set to "yes"
1084if test "$libnuma" = "yes" ; then
1085libnuma_v2="no"
1086cat > $TMPC << EOF
1087#include <numa.h>
1088int main(int argc, char **argv)
1089{
1090  struct bitmask *mask = numa_parse_nodestring(NULL);
1091  return mask->size == 0;
1092}
1093EOF
1094if compile_prog "" "" "libnuma api"; then
1095  libnuma_v2="yes"
1096fi
1097echo "libnuma v2                    $libnuma_v2"
1098fi
1099
1100##########################################
1101# strsep() probe
1102if test "$strsep" != "yes" ; then
1103  strsep="no"
1104fi
1105cat > $TMPC << EOF
1106#include <string.h>
1107int main(int argc, char **argv)
1108{
1109  static char *string = "This is a string";
1110  strsep(&string, "needle");
1111  return 0;
1112}
1113EOF
1114if compile_prog "" "" "strsep"; then
1115  strsep="yes"
1116fi
1117echo "strsep                        $strsep"
1118
1119##########################################
1120# strcasestr() probe
1121if test "$strcasestr" != "yes" ; then
1122  strcasestr="no"
1123fi
1124cat > $TMPC << EOF
1125#include <string.h>
1126int main(int argc, char **argv)
1127{
1128  return strcasestr(argv[0], argv[1]) != NULL;
1129}
1130EOF
1131if compile_prog "" "" "strcasestr"; then
1132  strcasestr="yes"
1133fi
1134echo "strcasestr                    $strcasestr"
1135
1136##########################################
1137# strlcat() probe
1138if test "$strlcat" != "yes" ; then
1139  strlcat="no"
1140fi
1141cat > $TMPC << EOF
1142#include <string.h>
1143int main(int argc, char **argv)
1144{
1145  static char dst[64];
1146  static char *string = "This is a string";
1147  memset(dst, 0, sizeof(dst));
1148  strlcat(dst, string, sizeof(dst));
1149  return 0;
1150}
1151EOF
1152if compile_prog "" "" "strlcat"; then
1153  strlcat="yes"
1154fi
1155echo "strlcat                       $strlcat"
1156
1157##########################################
1158# getopt_long_only() probe
1159if test "$getopt_long_only" != "yes" ; then
1160  getopt_long_only="no"
1161fi
1162cat > $TMPC << EOF
1163#include <unistd.h>
1164#include <stdio.h>
1165#include <getopt.h>
1166int main(int argc, char **argv)
1167{
1168  int c = getopt_long_only(argc, argv, NULL, NULL, NULL);
1169  return c;
1170}
1171EOF
1172if compile_prog "" "" "getopt_long_only"; then
1173  getopt_long_only="yes"
1174fi
1175echo "getopt_long_only()            $getopt_long_only"
1176
1177##########################################
1178# inet_aton() probe
1179if test "$inet_aton" != "yes" ; then
1180  inet_aton="no"
1181fi
1182cat > $TMPC << EOF
1183#include <sys/socket.h>
1184#include <arpa/inet.h>
1185#include <stdio.h>
1186int main(int argc, char **argv)
1187{
1188  struct in_addr in;
1189  return inet_aton(NULL, &in);
1190}
1191EOF
1192if compile_prog "" "" "inet_aton"; then
1193  inet_aton="yes"
1194fi
1195echo "inet_aton                     $inet_aton"
1196
1197##########################################
1198# socklen_t probe
1199if test "$socklen_t" != "yes" ; then
1200  socklen_t="no"
1201fi
1202cat > $TMPC << EOF
1203#include <sys/socket.h>
1204int main(int argc, char **argv)
1205{
1206  socklen_t len = 0;
1207  return len;
1208}
1209EOF
1210if compile_prog "" "" "socklen_t"; then
1211  socklen_t="yes"
1212fi
1213echo "socklen_t                     $socklen_t"
1214
1215##########################################
1216# Whether or not __thread is supported for TLS
1217if test "$tls_thread" != "yes" ; then
1218  tls_thread="no"
1219fi
1220cat > $TMPC << EOF
1221#include <stdio.h>
1222static __thread int ret;
1223int main(int argc, char **argv)
1224{
1225  return ret;
1226}
1227EOF
1228if compile_prog "" "" "__thread"; then
1229  tls_thread="yes"
1230fi
1231echo "__thread                      $tls_thread"
1232
1233##########################################
1234# Check if we have required gtk/glib support for gfio
1235if test "$gfio" != "yes" ; then
1236  gfio="no"
1237fi
1238if test "$gfio_check" = "yes" ; then
1239  cat > $TMPC << EOF
1240#include <glib.h>
1241#include <cairo.h>
1242#include <gtk/gtk.h>
1243int main(void)
1244{
1245  gdk_threads_enter();
1246  gdk_threads_leave();
1247
1248  return GTK_CHECK_VERSION(2, 18, 0) ? 0 : 1; /* 0 on success */
1249}
1250EOF
1251GTK_CFLAGS=$(pkg-config --cflags gtk+-2.0 gthread-2.0)
1252ORG_LDFLAGS=$LDFLAGS
1253LDFLAGS=$(echo $LDFLAGS | sed s/"-static"//g)
1254if test "$?" != "0" ; then
1255  echo "configure: gtk and gthread not found"
1256  exit 1
1257fi
1258GTK_LIBS=$(pkg-config --libs gtk+-2.0 gthread-2.0)
1259if test "$?" != "0" ; then
1260  echo "configure: gtk and gthread not found"
1261  exit 1
1262fi
1263if compile_prog "$GTK_CFLAGS" "$GTK_LIBS" "gfio" ; then
1264  $TMPE
1265  if test "$?" = "0" ; then
1266    gfio="yes"
1267    GFIO_LIBS="$LIBS $GTK_LIBS"
1268    CFLAGS="$CFLAGS $GTK_CFLAGS"
1269  else
1270    echo "GTK found, but need version 2.18 or higher"
1271    gfio="no"
1272  fi
1273else
1274  echo "Please install gtk and gdk libraries"
1275  gfio="no"
1276fi
1277LDFLAGS=$ORG_LDFLAGS
1278fi
1279
1280if test "$gfio_check" = "yes" ; then
1281  echo "gtk 2.18 or higher            $gfio"
1282fi
1283
1284##########################################
1285# Check whether we have getrusage(RUSAGE_THREAD)
1286if test "$rusage_thread" != "yes" ; then
1287  rusage_thread="no"
1288fi
1289cat > $TMPC << EOF
1290#include <sys/time.h>
1291#include <sys/resource.h>
1292int main(int argc, char **argv)
1293{
1294  struct rusage ru;
1295  getrusage(RUSAGE_THREAD, &ru);
1296  return 0;
1297}
1298EOF
1299if compile_prog "" "" "RUSAGE_THREAD"; then
1300  rusage_thread="yes"
1301fi
1302echo "RUSAGE_THREAD                 $rusage_thread"
1303
1304##########################################
1305# Check whether we have SCHED_IDLE
1306if test "$sched_idle" != "yes" ; then
1307  sched_idle="no"
1308fi
1309cat > $TMPC << EOF
1310#include <sched.h>
1311int main(int argc, char **argv)
1312{
1313  struct sched_param p;
1314  return sched_setscheduler(0, SCHED_IDLE, &p);
1315}
1316EOF
1317if compile_prog "" "" "SCHED_IDLE"; then
1318  sched_idle="yes"
1319fi
1320echo "SCHED_IDLE                    $sched_idle"
1321
1322##########################################
1323# Check whether we have TCP_NODELAY
1324if test "$tcp_nodelay" != "yes" ; then
1325  tcp_nodelay="no"
1326fi
1327cat > $TMPC << EOF
1328#include <stdio.h>
1329#include <sys/types.h>
1330#include <sys/socket.h>
1331#include <netinet/tcp.h>
1332int main(int argc, char **argv)
1333{
1334  return getsockopt(0, 0, TCP_NODELAY, NULL, NULL);
1335}
1336EOF
1337if compile_prog "" "" "TCP_NODELAY"; then
1338  tcp_nodelay="yes"
1339fi
1340echo "TCP_NODELAY                   $tcp_nodelay"
1341
1342##########################################
1343# Check whether we have SO_SNDBUF
1344if test "$window_size" != "yes" ; then
1345  window_size="no"
1346fi
1347cat > $TMPC << EOF
1348#include <stdio.h>
1349#include <sys/types.h>
1350#include <sys/socket.h>
1351#include <netinet/tcp.h>
1352int main(int argc, char **argv)
1353{
1354  setsockopt(0, SOL_SOCKET, SO_SNDBUF, NULL, 0);
1355  setsockopt(0, SOL_SOCKET, SO_RCVBUF, NULL, 0);
1356}
1357EOF
1358if compile_prog "" "" "SO_SNDBUF"; then
1359  window_size="yes"
1360fi
1361echo "Net engine window_size        $window_size"
1362
1363##########################################
1364# Check whether we have TCP_MAXSEG
1365if test "$mss" != "yes" ; then
1366  mss="no"
1367fi
1368cat > $TMPC << EOF
1369#include <stdio.h>
1370#include <sys/types.h>
1371#include <sys/socket.h>
1372#include <netinet/tcp.h>
1373#include <arpa/inet.h>
1374#include <netinet/in.h>
1375int main(int argc, char **argv)
1376{
1377  return setsockopt(0, IPPROTO_TCP, TCP_MAXSEG, NULL, 0);
1378}
1379EOF
1380if compile_prog "" "" "TCP_MAXSEG"; then
1381  mss="yes"
1382fi
1383echo "TCP_MAXSEG                    $mss"
1384
1385##########################################
1386# Check whether we have RLIMIT_MEMLOCK
1387if test "$rlimit_memlock" != "yes" ; then
1388  rlimit_memlock="no"
1389fi
1390cat > $TMPC << EOF
1391#include <sys/time.h>
1392#include <sys/resource.h>
1393int main(int argc, char **argv)
1394{
1395  struct rlimit rl;
1396  return getrlimit(RLIMIT_MEMLOCK, &rl);
1397}
1398EOF
1399if compile_prog "" "" "RLIMIT_MEMLOCK"; then
1400  rlimit_memlock="yes"
1401fi
1402echo "RLIMIT_MEMLOCK                $rlimit_memlock"
1403
1404##########################################
1405# Check whether we have pwritev/preadv
1406if test "$pwritev" != "yes" ; then
1407  pwritev="no"
1408fi
1409cat > $TMPC << EOF
1410#include <stdio.h>
1411#include <sys/uio.h>
1412int main(int argc, char **argv)
1413{
1414  return pwritev(0, NULL, 1, 0) + preadv(0, NULL, 1, 0);
1415}
1416EOF
1417if compile_prog "" "" "pwritev"; then
1418  pwritev="yes"
1419fi
1420echo "pwritev/preadv                $pwritev"
1421
1422##########################################
1423# Check whether we have pwritev2/preadv2
1424if test "$pwritev2" != "yes" ; then
1425  pwritev2="no"
1426fi
1427cat > $TMPC << EOF
1428#include <stdio.h>
1429#include <sys/uio.h>
1430int main(int argc, char **argv)
1431{
1432  return pwritev2(0, NULL, 1, 0, 0) + preadv2(0, NULL, 1, 0, 0);
1433}
1434EOF
1435if compile_prog "" "" "pwritev2"; then
1436  pwritev2="yes"
1437fi
1438echo "pwritev2/preadv2              $pwritev2"
1439
1440##########################################
1441# Check whether we have the required functions for ipv6
1442if test "$ipv6" != "yes" ; then
1443  ipv6="no"
1444fi
1445cat > $TMPC << EOF
1446#include <sys/types.h>
1447#include <sys/socket.h>
1448#include <netinet/in.h>
1449#include <netdb.h>
1450#include <stdio.h>
1451int main(int argc, char **argv)
1452{
1453  struct addrinfo hints;
1454  struct in6_addr addr;
1455  int ret;
1456
1457  ret = getaddrinfo(NULL, NULL, &hints, NULL);
1458  freeaddrinfo(NULL);
1459  printf("%s\n", gai_strerror(ret));
1460  addr = in6addr_any;
1461  return 0;
1462}
1463EOF
1464if compile_prog "" "" "ipv6"; then
1465  ipv6="yes"
1466fi
1467echo "IPv6 helpers                  $ipv6"
1468
1469##########################################
1470# check for rbd
1471if test "$rbd" != "yes" ; then
1472  rbd="no"
1473fi
1474cat > $TMPC << EOF
1475#include <rbd/librbd.h>
1476
1477int main(int argc, char **argv)
1478{
1479  rados_t cluster;
1480  rados_ioctx_t io_ctx;
1481  const char pool[] = "rbd";
1482
1483  int major, minor, extra;
1484  rbd_version(&major, &minor, &extra);
1485
1486  rados_ioctx_create(cluster, pool, &io_ctx);
1487  return 0;
1488}
1489EOF
1490if test "$disable_rbd" != "yes"  && compile_prog "" "-lrbd -lrados" "rbd"; then
1491  LIBS="-lrbd -lrados $LIBS"
1492  rbd="yes"
1493fi
1494echo "Rados Block Device engine     $rbd"
1495
1496##########################################
1497# check for rbd_poll
1498if test "$rbd_poll" != "yes" ; then
1499  rbd_poll="no"
1500fi
1501if test "$rbd" = "yes"; then
1502cat > $TMPC << EOF
1503#include <rbd/librbd.h>
1504#include <sys/eventfd.h>
1505
1506int main(int argc, char **argv)
1507{
1508  rbd_image_t image;
1509  rbd_completion_t comp;
1510
1511  int fd = eventfd(0, EFD_NONBLOCK);
1512  rbd_set_image_notification(image, fd, EVENT_TYPE_EVENTFD);
1513  rbd_poll_io_events(image, comp, 1);
1514
1515  return 0;
1516}
1517EOF
1518if compile_prog "" "-lrbd -lrados" "rbd"; then
1519  rbd_poll="yes"
1520fi
1521echo "rbd_poll                      $rbd_poll"
1522fi
1523
1524##########################################
1525# check for rbd_invaidate_cache()
1526if test "$rbd_inval" != "yes" ; then
1527  rbd_inval="no"
1528fi
1529if test "$rbd" = "yes"; then
1530cat > $TMPC << EOF
1531#include <rbd/librbd.h>
1532
1533int main(int argc, char **argv)
1534{
1535  rbd_image_t image;
1536
1537  return rbd_invalidate_cache(image);
1538}
1539EOF
1540if compile_prog "" "-lrbd -lrados" "rbd"; then
1541  rbd_inval="yes"
1542fi
1543echo "rbd_invalidate_cache          $rbd_inval"
1544fi
1545
1546##########################################
1547# check for blkin
1548if test "$rbd_blkin" != "yes" ; then
1549  rbd_blkin="no"
1550fi
1551cat > $TMPC << EOF
1552#include <rbd/librbd.h>
1553#include <zipkin_c.h>
1554
1555int main(int argc, char **argv)
1556{
1557  int r;
1558  struct blkin_trace_info t_info;
1559  blkin_init_trace_info(&t_info);
1560  rbd_completion_t completion;
1561  rbd_image_t image;
1562  uint64_t off;
1563  size_t len;
1564  const char *buf;
1565  r = rbd_aio_write_traced(image, off, len, buf, completion, &t_info);
1566  return 0;
1567}
1568EOF
1569if test "$disable_rbd" != "yes" && test "$disable_rbd_blkin" != "yes" \
1570 && compile_prog "" "-lrbd -lrados -lblkin" "rbd_blkin"; then
1571  LIBS="-lblkin $LIBS"
1572  rbd_blkin="yes"
1573fi
1574echo "rbd blkin tracing             $rbd_blkin"
1575
1576##########################################
1577# Check whether we have setvbuf
1578if test "$setvbuf" != "yes" ; then
1579  setvbuf="no"
1580fi
1581cat > $TMPC << EOF
1582#include <stdio.h>
1583int main(int argc, char **argv)
1584{
1585  FILE *f = NULL;
1586  char buf[80];
1587  setvbuf(f, buf, _IOFBF, sizeof(buf));
1588  return 0;
1589}
1590EOF
1591if compile_prog "" "" "setvbuf"; then
1592  setvbuf="yes"
1593fi
1594echo "setvbuf                       $setvbuf"
1595
1596##########################################
1597# check for gfapi
1598if test "$gfapi" != "yes" ; then
1599  gfapi="no"
1600fi
1601cat > $TMPC << EOF
1602#include <glusterfs/api/glfs.h>
1603
1604int main(int argc, char **argv)
1605{
1606  glfs_t *g = glfs_new("foo");
1607
1608  return 0;
1609}
1610EOF
1611if test "$disable_gfapi" != "yes"  && compile_prog "" "-lgfapi -lglusterfs" "gfapi"; then
1612  LIBS="-lgfapi -lglusterfs $LIBS"
1613  gfapi="yes"
1614fi
1615 echo "Gluster API engine            $gfapi"
1616
1617##########################################
1618# check for gfapi fadvise support, initialize with "no" only if $gfapi is set to "yes"
1619if test "$gfapi" = "yes" ; then
1620gf_fadvise="no"
1621cat > $TMPC << EOF
1622#include <glusterfs/api/glfs.h>
1623
1624int main(int argc, char **argv)
1625{
1626  struct glfs_fd *fd;
1627  int ret = glfs_fadvise(fd, 0, 0, 1);
1628
1629  return 0;
1630}
1631EOF
1632if compile_prog "" "-lgfapi -lglusterfs" "gfapi"; then
1633  gf_fadvise="yes"
1634fi
1635echo "Gluster API use fadvise       $gf_fadvise"
1636fi
1637
1638##########################################
1639# check for gfapi trim support
1640if test "$gf_trim" != "yes" ; then
1641  gf_trim="no"
1642fi
1643if test "$gfapi" = "yes" ; then
1644cat > $TMPC << EOF
1645#include <glusterfs/api/glfs.h>
1646
1647int main(int argc, char **argv)
1648{
1649  return glfs_discard_async(NULL, 0, 0);
1650}
1651EOF
1652if compile_prog "" "-lgfapi -lglusterfs" "gf trim"; then
1653  gf_trim="yes"
1654fi
1655echo "Gluster API trim support      $gf_trim"
1656fi
1657
1658##########################################
1659# Check if we support stckf on s390
1660if test "$s390_z196_facilities" != "yes" ; then
1661  s390_z196_facilities="no"
1662fi
1663cat > $TMPC << EOF
1664#define STFLE_BITS_Z196 45 /* various z196 facilities ... */
1665int main(int argc, char **argv)
1666{
1667    /* We want just 1 double word to be returned.  */
1668    register unsigned long reg0 asm("0") = 0;
1669    unsigned long stfle_bits;
1670    asm volatile(".machine push"        "\n\t"
1671                 ".machine \"z9-109\""  "\n\t"
1672                 "stfle %0"             "\n\t"
1673                 ".machine pop"         "\n"
1674                 : "=QS" (stfle_bits), "+d" (reg0)
1675                 : : "cc");
1676
1677    if ((stfle_bits & (1UL << (63 - STFLE_BITS_Z196))) != 0)
1678      return 0;
1679    else
1680      return -1;
1681}
1682EOF
1683if compile_prog "" "" "s390_z196_facilities"; then
1684  $TMPE
1685  if [[ $? -eq 0 ]]; then
1686  	s390_z196_facilities="yes"
1687  fi
1688fi
1689echo "s390_z196_facilities          $s390_z196_facilities"
1690
1691##########################################
1692# Check if we have required environment variables configured for libhdfs
1693if test "$libhdfs" = "yes" ; then
1694  hdfs_conf_error=0
1695  if test "$JAVA_HOME" = "" ; then
1696    echo "configure: JAVA_HOME should be defined to jdk/jvm path"
1697    hdfs_conf_error=1
1698  fi
1699  if test "$FIO_LIBHDFS_INCLUDE" = "" ; then
1700    echo "configure: FIO_LIBHDFS_INCLUDE should be defined to libhdfs inlude path"
1701    hdfs_conf_error=1
1702  fi
1703  if test "$FIO_LIBHDFS_LIB" = "" ; then
1704    echo "configure: FIO_LIBHDFS_LIB should be defined to libhdfs library path"
1705    hdfs_conf_error=1
1706  fi
1707  if test "$hdfs_conf_error" = "1" ; then
1708    exit 1
1709  fi
1710  FIO_HDFS_CPU=$cpu
1711  if test "$FIO_HDFS_CPU" = "x86_64" ; then
1712    FIO_HDFS_CPU="amd64"
1713  fi
1714fi
1715echo "HDFS engine                   $libhdfs"
1716
1717##########################################
1718# Check whether we have MTD
1719if test "$mtd" != "yes" ; then
1720  mtd="no"
1721fi
1722cat > $TMPC << EOF
1723#include <string.h>
1724#include <mtd/mtd-user.h>
1725#include <sys/ioctl.h>
1726int main(int argc, char **argv)
1727{
1728  struct mtd_write_req ops;
1729  struct mtd_info_user info;
1730  memset(&ops, 0, sizeof(ops));
1731  info.type = MTD_MLCNANDFLASH;
1732  return ioctl(0, MEMGETINFO, &info);
1733}
1734EOF
1735if compile_prog "" "" "mtd"; then
1736  mtd="yes"
1737fi
1738echo "MTD                           $mtd"
1739
1740##########################################
1741# Check whether we have libpmem
1742if test "$libpmem" != "yes" ; then
1743  libpmem="no"
1744fi
1745cat > $TMPC << EOF
1746#include <libpmem.h>
1747int main(int argc, char **argv)
1748{
1749  int rc;
1750  rc = pmem_is_pmem(0, 0);
1751  return 0;
1752}
1753EOF
1754if compile_prog "" "-lpmem" "libpmem"; then
1755  libpmem="yes"
1756  LIBS="-lpmem $LIBS"
1757fi
1758echo "libpmem                       $libpmem"
1759
1760##########################################
1761# Check whether we have libpmemblk
1762# libpmem is a prerequisite
1763if test "$libpmemblk" != "yes" ; then
1764  libpmemblk="no"
1765fi
1766if test "$libpmem" = "yes"; then
1767  cat > $TMPC << EOF
1768#include <libpmemblk.h>
1769int main(int argc, char **argv)
1770{
1771  PMEMblkpool *pbp;
1772  pbp = pmemblk_open("", 0);
1773  return 0;
1774}
1775EOF
1776  if compile_prog "" "-lpmemblk" "libpmemblk"; then
1777    libpmemblk="yes"
1778    LIBS="-lpmemblk $LIBS"
1779  fi
1780fi
1781echo "libpmemblk                    $libpmemblk"
1782
1783# Choose the ioengines
1784if test "$libpmem" = "yes" && test "$disable_pmem" = "no"; then
1785  devdax="yes"
1786  if test "$libpmemblk" = "yes"; then
1787    pmemblk="yes"
1788  fi
1789fi
1790
1791##########################################
1792# Report whether pmemblk engine is enabled
1793echo "NVML pmemblk engine           $pmemblk"
1794
1795##########################################
1796# Report whether dev-dax engine is enabled
1797echo "NVML dev-dax engine           $devdax"
1798
1799##########################################
1800# Check if we have lex/yacc available
1801yacc="no"
1802yacc_is_bison="no"
1803lex="no"
1804arith="no"
1805if test "$disable_lex" = "no" || test -z "$disable_lex" ; then
1806if test "$targetos" != "SunOS" ; then
1807LEX=$(which lex 2> /dev/null)
1808if test -x "$LEX" ; then
1809  lex="yes"
1810fi
1811YACC=$(which bison 2> /dev/null)
1812if test -x "$YACC" ; then
1813  yacc="yes"
1814  yacc_is_bison="yes"
1815else
1816  YACC=$(which yacc 2> /dev/null)
1817  if test -x "$YACC" ; then
1818    yacc="yes"
1819  fi
1820fi
1821if test "$yacc" = "yes" && test "$lex" = "yes" ; then
1822  arith="yes"
1823fi
1824
1825if test "$arith" = "yes" ; then
1826cat > $TMPC << EOF
1827extern int yywrap(void);
1828
1829int main(int argc, char **argv)
1830{
1831  yywrap();
1832  return 0;
1833}
1834EOF
1835if compile_prog "" "-ll" "lex"; then
1836  LIBS="-ll $LIBS"
1837else
1838  arith="no"
1839fi
1840fi
1841fi
1842fi
1843
1844# Check if lex fails using -o
1845if test "$arith" = "yes" ; then
1846if test "$force_no_lex_o" = "yes" ; then
1847  lex_use_o="no"
1848else
1849$LEX -o lex.yy.c exp/expression-parser.l 2> /dev/null
1850if test "$?" = "0" ; then
1851  lex_use_o="yes"
1852else
1853  lex_use_o="no"
1854fi
1855fi
1856fi
1857
1858echo "lex/yacc for arithmetic       $arith"
1859
1860##########################################
1861# Check whether we have setmntent/getmntent
1862if test "$getmntent" != "yes" ; then
1863  getmntent="no"
1864fi
1865cat > $TMPC << EOF
1866#include <stdio.h>
1867#include <mntent.h>
1868int main(int argc, char **argv)
1869{
1870  FILE *mtab = setmntent(NULL, "r");
1871  struct mntent *mnt = getmntent(mtab);
1872  endmntent(mtab);
1873  return 0;
1874}
1875EOF
1876if compile_prog "" "" "getmntent"; then
1877  getmntent="yes"
1878fi
1879echo "getmntent                     $getmntent"
1880
1881##########################################
1882# Check whether we have getmntinfo
1883# These are originally added for BSDs, but may also work
1884# on other operating systems with getmntinfo(3).
1885
1886# getmntinfo(3) for FreeBSD/DragonFlyBSD/OpenBSD.
1887# Note that NetBSD needs -Werror to catch warning as error.
1888if test "$getmntinfo" != "yes" ; then
1889  getmntinfo="no"
1890fi
1891cat > $TMPC << EOF
1892#include <stdio.h>
1893#include <sys/param.h>
1894#include <sys/mount.h>
1895int main(int argc, char **argv)
1896{
1897  struct statfs *st;
1898  return getmntinfo(&st, MNT_NOWAIT);
1899}
1900EOF
1901if compile_prog "-Werror" "" "getmntinfo"; then
1902  getmntinfo="yes"
1903fi
1904echo "getmntinfo                    $getmntinfo"
1905
1906# getmntinfo(3) for NetBSD.
1907if test "$getmntinfo_statvfs" != "yes" ; then
1908  getmntinfo_statvfs="no"
1909fi
1910cat > $TMPC << EOF
1911#include <stdio.h>
1912#include <sys/statvfs.h>
1913int main(int argc, char **argv)
1914{
1915  struct statvfs *st;
1916  return getmntinfo(&st, MNT_NOWAIT);
1917}
1918EOF
1919# Skip the test if the one with statfs arg is detected.
1920if test "$getmntinfo" != "yes" && compile_prog "-Werror" "" "getmntinfo_statvfs"; then
1921  getmntinfo_statvfs="yes"
1922  echo "getmntinfo_statvfs            $getmntinfo_statvfs"
1923fi
1924
1925##########################################
1926# Check whether we have _Static_assert
1927if test "$static_assert" != "yes" ; then
1928  static_assert="no"
1929fi
1930cat > $TMPC << EOF
1931#include <assert.h>
1932#include <stdlib.h>
1933#undef offsetof
1934#ifdef __compiler_offsetof
1935#define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
1936#else
1937#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
1938#endif
1939
1940#define container_of(ptr, type, member) ({			\
1941	const typeof( ((type *)0)->member ) *__mptr = (ptr);	\
1942	(type *)( (char *)__mptr - offsetof(type,member) );})
1943
1944struct foo {
1945  int a, b;
1946};
1947
1948int main(int argc, char **argv)
1949{
1950  _Static_assert(offsetof(struct foo, a) == 0 , "Check");
1951  return 0 ;
1952}
1953EOF
1954if compile_prog "" "" "static_assert"; then
1955    static_assert="yes"
1956fi
1957echo "Static Assert                 $static_assert"
1958
1959##########################################
1960# Check whether we have bool / stdbool.h
1961if test "$have_bool" != "yes" ; then
1962  have_bool="no"
1963fi
1964cat > $TMPC << EOF
1965#include <stdbool.h>
1966int main(int argc, char **argv)
1967{
1968  bool var = true;
1969  return var != false;
1970}
1971EOF
1972if compile_prog "" "" "bool"; then
1973  have_bool="yes"
1974fi
1975echo "bool                          $have_bool"
1976
1977##########################################
1978# check march=armv8-a+crc+crypto
1979if test "$march_armv8_a_crc_crypto" != "yes" ; then
1980  march_armv8_a_crc_crypto="no"
1981fi
1982if test "$cpu" = "arm64" ; then
1983  cat > $TMPC <<EOF
1984#include <sys/auxv.h>
1985#include <arm_acle.h>
1986#include <arm_neon.h>
1987
1988int main(void)
1989{
1990  return 0;
1991}
1992EOF
1993  if compile_prog "-march=armv8-a+crc+crypto" "" ""; then
1994    march_armv8_a_crc_crypto="yes"
1995    CFLAGS="$CFLAGS -march=armv8-a+crc+crypto -DARCH_HAVE_CRC_CRYPTO"
1996  fi
1997fi
1998echo "march_armv8_a_crc_crypto      $march_armv8_a_crc_crypto"
1999
2000##########################################
2001# cuda probe
2002if test "$cuda" != "yes" ; then
2003  cuda="no"
2004fi
2005cat > $TMPC << EOF
2006#include <cuda.h>
2007int main(int argc, char **argv)
2008{
2009  return cuInit(0);
2010}
2011EOF
2012if test "$enable_cuda" = "yes" && compile_prog "" "-lcuda" "cuda"; then
2013  cuda="yes"
2014  LIBS="-lcuda $LIBS"
2015fi
2016echo "cuda                          $cuda"
2017
2018#############################################################################
2019
2020if test "$wordsize" = "64" ; then
2021  output_sym "CONFIG_64BIT"
2022elif test "$wordsize" = "32" ; then
2023  output_sym "CONFIG_32BIT"
2024else
2025  fatal "Unknown wordsize!"
2026fi
2027if test "$bigendian" = "yes" ; then
2028  output_sym "CONFIG_BIG_ENDIAN"
2029else
2030  output_sym "CONFIG_LITTLE_ENDIAN"
2031fi
2032if test "$zlib" = "yes" ; then
2033  output_sym "CONFIG_ZLIB"
2034fi
2035if test "$libaio" = "yes" ; then
2036  output_sym "CONFIG_LIBAIO"
2037fi
2038if test "$posix_aio" = "yes" ; then
2039  output_sym "CONFIG_POSIXAIO"
2040fi
2041if test "$posix_aio_fsync" = "yes" ; then
2042  output_sym "CONFIG_POSIXAIO_FSYNC"
2043fi
2044if test "$posix_pshared" = "yes" ; then
2045  output_sym "CONFIG_PSHARED"
2046fi
2047if test "$linux_fallocate" = "yes" ; then
2048  output_sym "CONFIG_LINUX_FALLOCATE"
2049fi
2050if test "$posix_fallocate" = "yes" ; then
2051  output_sym "CONFIG_POSIX_FALLOCATE"
2052fi
2053if test "$fdatasync" = "yes" ; then
2054  output_sym "CONFIG_FDATASYNC"
2055fi
2056if test "$sync_file_range" = "yes" ; then
2057  output_sym "CONFIG_SYNC_FILE_RANGE"
2058fi
2059if test "$sfaa" = "yes" ; then
2060  output_sym "CONFIG_SFAA"
2061fi
2062if test "$libverbs" = "yes" -a "$rdmacm" = "yes" ; then
2063  output_sym "CONFIG_RDMA"
2064fi
2065if test "$clock_gettime" = "yes" ; then
2066  output_sym "CONFIG_CLOCK_GETTIME"
2067fi
2068if test "$clock_monotonic" = "yes" ; then
2069  output_sym "CONFIG_CLOCK_MONOTONIC"
2070fi
2071if test "$clock_monotonic_raw" = "yes" ; then
2072  output_sym "CONFIG_CLOCK_MONOTONIC_RAW"
2073fi
2074if test "$clock_monotonic_precise" = "yes" ; then
2075  output_sym "CONFIG_CLOCK_MONOTONIC_PRECISE"
2076fi
2077if test "$clockid_t" = "yes"; then
2078  output_sym "CONFIG_CLOCKID_T"
2079fi
2080if test "$gettimeofday" = "yes" ; then
2081  output_sym "CONFIG_GETTIMEOFDAY"
2082fi
2083if test "$posix_fadvise" = "yes" ; then
2084  output_sym "CONFIG_POSIX_FADVISE"
2085fi
2086if test "$linux_3arg_affinity" = "yes" ; then
2087  output_sym "CONFIG_3ARG_AFFINITY"
2088elif test "$linux_2arg_affinity" = "yes" ; then
2089  output_sym "CONFIG_2ARG_AFFINITY"
2090fi
2091if test "$strsep" = "yes" ; then
2092  output_sym "CONFIG_STRSEP"
2093fi
2094if test "$strcasestr" = "yes" ; then
2095  output_sym "CONFIG_STRCASESTR"
2096fi
2097if test "$strlcat" = "yes" ; then
2098  output_sym "CONFIG_STRLCAT"
2099fi
2100if test "$getopt_long_only" = "yes" ; then
2101  output_sym "CONFIG_GETOPT_LONG_ONLY"
2102fi
2103if test "$inet_aton" = "yes" ; then
2104  output_sym "CONFIG_INET_ATON"
2105fi
2106if test "$socklen_t" = "yes" ; then
2107  output_sym "CONFIG_SOCKLEN_T"
2108fi
2109if test "$ext4_me" = "yes" ; then
2110  output_sym "CONFIG_LINUX_EXT4_MOVE_EXTENT"
2111fi
2112if test "$linux_splice" = "yes" ; then
2113  output_sym "CONFIG_LINUX_SPLICE"
2114fi
2115if test "$guasi" = "yes" ; then
2116  output_sym "CONFIG_GUASI"
2117fi
2118if test "$fusion_aw" = "yes" ; then
2119  output_sym "CONFIG_FUSION_AW"
2120fi
2121if test "$libnuma_v2" = "yes" ; then
2122  output_sym "CONFIG_LIBNUMA"
2123fi
2124if test "$solaris_aio" = "yes" ; then
2125  output_sym "CONFIG_SOLARISAIO"
2126fi
2127if test "$tls_thread" = "yes" ; then
2128  output_sym "CONFIG_TLS_THREAD"
2129fi
2130if test "$rusage_thread" = "yes" ; then
2131  output_sym "CONFIG_RUSAGE_THREAD"
2132fi
2133if test "$gfio" = "yes" ; then
2134  output_sym "CONFIG_GFIO"
2135fi
2136if test "$esx" = "yes" ; then
2137  output_sym "CONFIG_ESX"
2138  output_sym "CONFIG_NO_SHM"
2139fi
2140if test "$sched_idle" = "yes" ; then
2141  output_sym "CONFIG_SCHED_IDLE"
2142fi
2143if test "$tcp_nodelay" = "yes" ; then
2144  output_sym "CONFIG_TCP_NODELAY"
2145fi
2146if test "$window_size" = "yes" ; then
2147  output_sym "CONFIG_NET_WINDOWSIZE"
2148fi
2149if test "$mss" = "yes" ; then
2150  output_sym "CONFIG_NET_MSS"
2151fi
2152if test "$rlimit_memlock" = "yes" ; then
2153  output_sym "CONFIG_RLIMIT_MEMLOCK"
2154fi
2155if test "$pwritev" = "yes" ; then
2156  output_sym "CONFIG_PWRITEV"
2157fi
2158if test "$pwritev2" = "yes" ; then
2159  output_sym "CONFIG_PWRITEV2"
2160fi
2161if test "$ipv6" = "yes" ; then
2162  output_sym "CONFIG_IPV6"
2163fi
2164if test "$rbd" = "yes" ; then
2165  output_sym "CONFIG_RBD"
2166fi
2167if test "$rbd_poll" = "yes" ; then
2168  output_sym "CONFIG_RBD_POLL"
2169fi
2170if test "$rbd_inval" = "yes" ; then
2171  output_sym "CONFIG_RBD_INVAL"
2172fi
2173if test "$rbd_blkin" = "yes" ; then
2174  output_sym "CONFIG_RBD_BLKIN"
2175fi
2176if test "$setvbuf" = "yes" ; then
2177  output_sym "CONFIG_SETVBUF"
2178fi
2179if test "$s390_z196_facilities" = "yes" ; then
2180  output_sym "CONFIG_S390_Z196_FACILITIES"
2181  CFLAGS="$CFLAGS -march=z9-109"
2182fi
2183if test "$gfapi" = "yes" ; then
2184  output_sym "CONFIG_GFAPI"
2185fi
2186if test "$gf_fadvise" = "yes" ; then
2187  output_sym "CONFIG_GF_FADVISE"
2188fi
2189if test "$gf_trim" = "yes" ; then
2190  output_sym "CONFIG_GF_TRIM"
2191fi
2192if test "$libhdfs" = "yes" ; then
2193  output_sym "CONFIG_LIBHDFS"
2194  echo "FIO_HDFS_CPU=$FIO_HDFS_CPU" >> $config_host_mak
2195  echo "JAVA_HOME=$JAVA_HOME" >> $config_host_mak
2196  echo "FIO_LIBHDFS_INCLUDE=$FIO_LIBHDFS_INCLUDE" >> $config_host_mak
2197  echo "FIO_LIBHDFS_LIB=$FIO_LIBHDFS_LIB" >> $config_host_mak
2198 fi
2199if test "$mtd" = "yes" ; then
2200  output_sym "CONFIG_MTD"
2201fi
2202if test "$pmemblk" = "yes" ; then
2203  output_sym "CONFIG_PMEMBLK"
2204fi
2205if test "$devdax" = "yes" ; then
2206  output_sym "CONFIG_LINUX_DEVDAX"
2207fi
2208if test "$arith" = "yes" ; then
2209  output_sym "CONFIG_ARITHMETIC"
2210  if test "$yacc_is_bison" = "yes" ; then
2211    echo "YACC=$YACC -y" >> $config_host_mak
2212  else
2213    echo "YACC=$YACC" >> $config_host_mak
2214  fi
2215  if test "$lex_use_o" = "yes" ; then
2216    echo "CONFIG_LEX_USE_O=y" >> $config_host_mak
2217  fi
2218fi
2219if test "$getmntent" = "yes" ; then
2220  output_sym "CONFIG_GETMNTENT"
2221fi
2222if test "$getmntinfo" = "yes" ; then
2223  output_sym "CONFIG_GETMNTINFO"
2224fi
2225if test "$getmntinfo_statvfs" = "yes" ; then
2226  output_sym "CONFIG_GETMNTINFO_STATVFS"
2227fi
2228if test "$static_assert" = "yes" ; then
2229  output_sym "CONFIG_STATIC_ASSERT"
2230fi
2231if test "$have_bool" = "yes" ; then
2232  output_sym "CONFIG_HAVE_BOOL"
2233fi
2234if test "$disable_opt" = "yes" ; then
2235  output_sym "CONFIG_DISABLE_OPTIMIZATIONS"
2236fi
2237if test "$zlib" = "no" ; then
2238  echo "Consider installing zlib-dev (zlib-devel), some fio features depend on it."
2239fi
2240if test "$cuda" = "yes" ; then
2241  output_sym "CONFIG_CUDA"
2242fi
2243
2244echo "LIBS+=$LIBS" >> $config_host_mak
2245echo "GFIO_LIBS+=$GFIO_LIBS" >> $config_host_mak
2246echo "CFLAGS+=$CFLAGS" >> $config_host_mak
2247echo "LDFLAGS+=$LDFLAGS" >> $config_host_mak
2248echo "CC=$cc" >> $config_host_mak
2249echo "BUILD_CFLAGS=$BUILD_CFLAGS $CFLAGS" >> $config_host_mak
2250echo "INSTALL_PREFIX=$prefix" >> $config_host_mak
2251
2252if [ `dirname $0` != "." -a ! -e Makefile ]; then
2253    cat > Makefile <<EOF
2254SRCDIR:=`dirname $0`
2255include \$(SRCDIR)/Makefile
2256EOF
2257fi
2258