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configure
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#!/bin/sh
#
# Fio configure script. Heavily influenced by the manual qemu configure
# script. Sad this is easier than autoconf and enemies.
#
# set temporary file name
if test ! -z "$TMPDIR" ; then
TMPDIR1="${TMPDIR}"
elif test ! -z "$TEMPDIR" ; then
TMPDIR1="${TEMPDIR}"
else
TMPDIR1="/tmp"
fi
TMPC="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.c"
TMPC2="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}-2.c"
TMPO="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.o"
TMPE="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.exe"
# NB: do not call "exit" in the trap handler; this is buggy with some shells;
# see <[email protected]>
trap "rm -f $TMPC $TMPC2 $TMPO $TMPE" EXIT INT QUIT TERM
rm -rf config.log
config_host_mak="config-host.mak"
config_host_h="config-host.h"
rm -rf $config_host_mak
rm -rf $config_host_h
fatal() {
echo $@
echo "Configure failed, check config.log and/or the above output"
rm -rf $config_host_mak
rm -rf $config_host_h
exit 1
}
# 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=""
# Print a helpful header at the top of config.log
echo "# FIO configure log $(date)" >> config.log
printf "# Configured with:" >> config.log
printf " '%s'" "$0" "$@" >> config.log
echo >> config.log
echo "#" >> config.log
# Print configure header at the top of $config_host_h
echo "/*" > $config_host_h
echo " * Automatically generated by configure - do not modify" >> $config_host_h
printf " * Configured with:" >> $config_host_h
printf " * '%s'" "$0" "$@" >> $config_host_h
echo "" >> $config_host_h
echo " */" >> $config_host_h
do_cc() {
# Run the compiler, capturing its output to the log.
echo $cc "$@" >> config.log
$cc "$@" >> config.log 2>&1 || return $?
# Test passed. If this is an --enable-werror build, rerun
# the test with -Werror and bail out if it fails. This
# makes warning-generating-errors in configure test code
# obvious to developers.
if test "$werror" != "yes"; then
return 0
fi
# Don't bother rerunning the compile if we were already using -Werror
case "$*" in
*-Werror*)
return 0
;;
esac
echo $cc -Werror "$@" >> config.log
$cc -Werror "$@" >> config.log 2>&1 && return $?
echo "ERROR: configure test passed without -Werror but failed with -Werror."
echo "This is probably a bug in the configure script. The failing command"
echo "will be at the bottom of config.log."
fatal "You can run configure with --disable-werror to bypass this check."
}
compile_object() {
do_cc $CFLAGS -c -o $TMPO $TMPC
}
compile_prog() {
local_cflags="$1"
local_ldflags="$2 $LIBS"
echo "Compiling test case $3" >> config.log
do_cc $CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
}
feature_not_found() {
feature=$1
packages=$2
echo "ERROR"
echo "ERROR: User requested feature $feature"
if test ! -z "$packages" ; then
echo "ERROR: That feature needs $packages installed"
fi
echo "ERROR: configure was not able to find it"
fatal "ERROR"
}
has() {
type "$1" >/dev/null 2>&1
}
check_define() {
cat > $TMPC <<EOF
#if !defined($1)
#error $1 not defined
#endif
int main(void)
{
return 0;
}
EOF
compile_object
}
output_sym() {
echo "$1=y" >> $config_host_mak
echo "#define $1" >> $config_host_h
}
targetos=""
cpu=""
# default options
show_help="no"
exit_val=0
gfio_check="no"
libhdfs="no"
pmemblk="no"
devdax="no"
pmem="no"
disable_lex=""
disable_pmem="no"
disable_native="no"
march_set="no"
prefix=/usr/local
# parse options
for opt do
optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
case "$opt" in
--prefix=*) prefix="$optarg"
;;
--cpu=*) cpu="$optarg"
;;
# esx is cross compiled and cannot be detect through simple uname calls
--esx)
esx="yes"
;;
--cc=*) CC="$optarg"
;;
--extra-cflags=*) CFLAGS="$CFLAGS $optarg"
;;
--build-32bit-win) build_32bit_win="yes"
;;
--target-win-ver=*) target_win_ver="$optarg"
;;
--build-static) build_static="yes"
;;
--enable-gfio) gfio_check="yes"
;;
--disable-numa) disable_numa="yes"
;;
--disable-rdma) disable_rdma="yes"
;;
--disable-rados) disable_rados="yes"
;;
--disable-rbd) disable_rbd="yes"
;;
--disable-http) disable_http="yes"
;;
--disable-gfapi) disable_gfapi="yes"
;;
--enable-libhdfs) libhdfs="yes"
;;
--disable-lex) disable_lex="yes"
;;
--enable-lex) disable_lex="no"
;;
--disable-shm) no_shm="yes"
;;
--disable-optimizations) disable_opt="yes"
;;
--disable-pmem) disable_pmem="yes"
;;
--enable-cuda) enable_cuda="yes"
;;
--disable-native) disable_native="yes"
;;
--with-ime=*) ime_path="$optarg"
;;
--help)
show_help="yes"
;;
*)
echo "Bad option $opt"
show_help="yes"
exit_val=1
esac
done
if test "$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 "--target-win-ver= Minimum version of Windows to target (XP or 7)"
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-rados Disable Rados support even if found"
echo "--disable-rbd Disable Rados Block Device even if found"
echo "--disable-http Disable HTTP 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"
echo "--disable-native Don't build for native host"
echo "--with-ime= Install path for DDN's Infinite Memory Engine"
exit $exit_val
fi
cross_prefix=${cross_prefix-${CROSS_COMPILE}}
# Preferred compiler (can be overriden later after we know the platform):
# ${CC} (if set)
# ${cross_prefix}gcc (if cross-prefix specified)
# gcc if available
# clang if available
if test -z "${CC}${cross_prefix}"; then
if has gcc; then
cc=gcc
elif has clang; then
cc=clang
fi
else
cc="${CC-${cross_prefix}gcc}"
fi
if check_define __ANDROID__ ; then
targetos="Android"
elif check_define __linux__ ; then
targetos="Linux"
elif check_define __OpenBSD__ ; then
targetos='OpenBSD'
elif check_define __NetBSD__ ; then
targetos='NetBSD'
elif check_define __sun__ ; then
targetos='SunOS'
CFLAGS="$CFLAGS -D_REENTRANT"
elif check_define _WIN32 ; then
targetos='CYGWIN'
else
targetos=`uname -s`
fi
echo "# Automatically generated by configure - do not modify" > $config_host_mak
printf "# Configured with:" >> $config_host_mak
printf " '%s'" "$0" "$@" >> $config_host_mak
echo >> $config_host_mak
echo "CONFIG_TARGET_OS=$targetos" >> $config_host_mak
if test "$no_shm" = "yes" ; then
output_sym "CONFIG_NO_SHM"
fi
if test "$disable_opt" = "yes" ; then
output_sym "CONFIG_FIO_NO_OPT"
fi
# Some host OSes need non-standard checks for which CPU to use.
# Note that these checks are broken for cross-compilation: if you're
# cross-compiling to one of these OSes then you'll need to specify
# the correct CPU with the --cpu option.
case $targetos in
AIX|OpenBSD|NetBSD)
# Unless explicitly enabled, turn off lex.
# OpenBSD will hit syntax error when enabled.
if test -z "$disable_lex" ; then
disable_lex="yes"
else
force_no_lex_o="yes"
fi
;;
Darwin)
# on Leopard most of the system is 32-bit, so we have to ask the kernel if
# we can run 64-bit userspace code.
# If the user didn't specify a CPU explicitly and the kernel says this is
# 64 bit hw, then assume x86_64. Otherwise fall through to the usual
# detection code.
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
if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
cpu="x86_64"
fi
LIBS="-lnsl -lsocket"
;;
CYGWIN*)
# We still force some options, so keep this message here.
echo "Forcing some known good options on Windows"
if test -z "${CC}${cross_prefix}"; then
if test ! -z "$build_32bit_win" && test "$build_32bit_win" = "yes"; then
cc="i686-w64-mingw32-gcc"
else
cc="x86_64-w64-mingw32-gcc"
fi
fi
target_win_ver=$(echo "$target_win_ver" | tr '[:lower:]' '[:upper:]')
if test -z "$target_win_ver"; then
# Default Windows API target
target_win_ver="7"
fi
if test "$target_win_ver" = "XP"; then
output_sym "CONFIG_WINDOWS_XP"
elif test "$target_win_ver" = "7"; then
output_sym "CONFIG_WINDOWS_7"
CFLAGS="$CFLAGS -D_WIN32_WINNT=0x0601"
else
fatal "Unknown target Windows version"
fi
# 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"
# We now take the regular configuration path without having exit 0 here.
# Flags below are still necessary mostly for MinGW.
build_static="yes"
socklen_t="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"
ipv6="yes"
;;
esac
# Now we know the target platform we can have another guess at the preferred
# compiler when it wasn't explictly set
if test -z "${CC}${cross_prefix}"; then
if test "$targetos" = "FreeBSD" || test "$targetos" = "Darwin"; then
if has clang; then
cc=clang
fi
fi
fi
if test -z "$cc"; then
echo "configure: failed to find compiler"
exit 1
fi
if test ! -z "$cpu" ; then
# command line argument
:
elif check_define __i386__ ; then
cpu="i386"
elif check_define __x86_64__ ; then
cpu="x86_64"
elif check_define __sparc__ ; then
if check_define __arch64__ ; then
cpu="sparc64"
else
cpu="sparc"
fi
elif check_define _ARCH_PPC ; then
if check_define _ARCH_PPC64 ; then
cpu="ppc64"
else
cpu="ppc"
fi
elif check_define __mips__ ; then
cpu="mips"
elif check_define __ia64__ ; then
cpu="ia64"
elif check_define __s390__ ; then
if check_define __s390x__ ; then
cpu="s390x"
else
cpu="s390"
fi
elif check_define __arm__ ; then
cpu="arm"
elif check_define __aarch64__ ; then
cpu="aarch64"
elif check_define __hppa__ ; then
cpu="hppa"
else
cpu=`uname -m`
fi
# Normalise host CPU name and set ARCH.
case "$cpu" in
ia64|ppc|ppc64|s390|s390x|sparc64)
cpu="$cpu"
;;
i386|i486|i586|i686|i86pc|BePC)
cpu="x86"
;;
x86_64|amd64)
cpu="x86_64"
;;
armv*b|armv*l|arm)
cpu="arm"
;;
aarch64)
cpu="arm64"
;;
hppa|parisc|parisc64)
cpu="hppa"
;;
mips*)
cpu="mips"
;;
sparc|sun4[cdmuv])
cpu="sparc"
;;
*)
echo "Unknown CPU"
;;
esac
##########################################
# check cross compile
if test "$cross_compile" != "yes" ; then
cross_compile="no"
fi
cat > $TMPC <<EOF
int main(void)
{
return 0;
}
EOF
if compile_prog "" "" "cross"; then
$TMPE 2>/dev/null || cross_compile="yes"
else
fatal "compile test failed"
fi
##########################################
# check endianness
if test "$bigendian" != "yes" ; then
bigendian="no"
fi
if test "$cross_compile" = "no" ; then
cat > $TMPC <<EOF
#include <inttypes.h>
int main(void)
{
volatile uint32_t i=0x01234567;
return (*((uint8_t*)(&i))) == 0x67;
}
EOF
if compile_prog "" "" "endian"; then
$TMPE && bigendian="yes"
fi
else
# If we're cross compiling, try our best to work it out and rely on the
# run-time check to fail if we get it wrong.
cat > $TMPC <<EOF
#include <endian.h>
int main(void)
{
#if __BYTE_ORDER != __BIG_ENDIAN
# error "Unknown endianness"
#endif
}
EOF
compile_prog "" "" "endian" && bigendian="yes"
check_define "__ARMEB__" && bigendian="yes"
check_define "__MIPSEB__" && bigendian="yes"
fi
print_config "Operating system" "$targetos"
print_config "CPU" "$cpu"
print_config "Big endian" "$bigendian"
if test ! -z "$target_win_ver"; then
print_config "Target Windows version" "$target_win_ver"
fi
print_config "Compiler" "$cc"
print_config "Cross compile" "$cross_compile"
echo
##########################################
# See if we need to build a static build
if test "$build_static" = "yes" ; then
CFLAGS="$CFLAGS -ffunction-sections -fdata-sections"
LDFLAGS="$LDFLAGS -static -Wl,--gc-sections"
else
build_static="no"
fi
print_config "Static build" "$build_static"
##########################################
# check for wordsize
wordsize="0"
cat > $TMPC <<EOF
#include <limits.h>
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
int main(void)
{
BUILD_BUG_ON(sizeof(long)*CHAR_BIT != WORDSIZE);
return 0;
}
EOF
if compile_prog "-DWORDSIZE=32" "" "wordsize"; then
wordsize="32"
elif compile_prog "-DWORDSIZE=64" "" "wordsize"; then
wordsize="64"
else
fatal "Unknown wordsize"
fi
print_config "Wordsize" "$wordsize"
##########################################
# zlib probe
if test "$zlib" != "yes" ; then
zlib="no"
fi
cat > $TMPC <<EOF
#include <zlib.h>
int main(void)
{
z_stream stream;
if (inflateInit(&stream) != Z_OK)
return 1;
return 0;
}
EOF
if compile_prog "" "-lz" "zlib" ; then
zlib=yes
LIBS="-lz $LIBS"
fi
print_config "zlib" "$zlib"
##########################################
# linux-aio probe
if test "$libaio" != "yes" ; then
libaio="no"
fi
if test "$esx" != "yes" ; then
cat > $TMPC <<EOF
#include <libaio.h>
#include <stddef.h>
int main(void)
{
io_setup(0, NULL);
return 0;
}
EOF
if compile_prog "" "-laio" "libaio" ; then
libaio=yes
LIBS="-laio $LIBS"
else
if test "$libaio" = "yes" ; then
feature_not_found "linux AIO" "libaio-dev or libaio-devel"
fi
libaio=no
fi
fi
print_config "Linux AIO support" "$libaio"
##########################################
# posix aio probe
if test "$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)
{
struct aiocb cb;
aio_read(&cb);
return 0;
}
EOF
if compile_prog "" "" "posixaio" ; then
posix_aio="yes"
elif compile_prog "" "-lrt" "posixaio -lrt"; then
posix_aio="yes"
posix_aio_lrt="yes"
LIBS="-lrt $LIBS"
fi
print_config "POSIX AIO support" "$posix_aio"
print_config "POSIX AIO support needs -lrt" "$posix_aio_lrt"
##########################################
# posix aio fsync probe
if test "$posix_aio_fsync" != "yes" ; then
posix_aio_fsync="no"
fi
if test "$posix_aio" = "yes" ; then
cat > $TMPC <<EOF
#include <fcntl.h>
#include <aio.h>
int main(void)
{
struct aiocb cb;
return aio_fsync(O_SYNC, &cb);
return 0;
}
EOF
if compile_prog "" "$LIBS" "posix_aio_fsync" ; then
posix_aio_fsync=yes
fi
fi
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" "$posix_pshared"
##########################################
# solaris aio probe
if test "$solaris_aio" != "yes" ; then
solaris_aio="no"
fi
cat > $TMPC <<EOF
#include <sys/types.h>
#include <sys/asynch.h>
#include <unistd.h>
int main(void)
{
aio_result_t res;
return aioread(0, NULL, 0, 0, SEEK_SET, &res);
return 0;
}
EOF
if compile_prog "" "-laio" "solarisaio" ; then
solaris_aio=yes
LIBS="-laio $LIBS"
fi
print_config "Solaris AIO support" "$solaris_aio"
##########################################
# __sync_fetch_and_add test
if test "$sfaa" != "yes" ; then
sfaa="no"
fi
cat > $TMPC << EOF
#include <inttypes.h>
static int sfaa(uint64_t *ptr)
{
return __sync_fetch_and_add(ptr, 0);
}
int main(int argc, char **argv)
{
uint64_t val = 42;
sfaa(&val);
return val;
}
EOF
if compile_prog "" "" "__sync_fetch_and_add()" ; then
sfaa="yes"
fi
print_config "__sync_fetch_and_add" "$sfaa"
##########################################
# __sync_synchronize() test
if test "$sync_sync" != "yes" ; then
sync_sync="no"
fi
cat > $TMPC << EOF
#include <inttypes.h>
int main(int argc, char **argv)
{
__sync_synchronize();
return 0;
}
EOF
if compile_prog "" "" "__sync_synchronize()" ; then
sync_sync="yes"
fi
print_config "__sync_synchronize" "$sync_sync"
##########################################
# __sync_val_compare_and_swap() test
if test "$cmp_swap" != "yes" ; then
cmp_swap="no"
fi
cat > $TMPC << EOF
#include <inttypes.h>
int main(int argc, char **argv)
{
int x = 0;
return __sync_val_compare_and_swap(&x, 1, 2);
}
EOF
if compile_prog "" "" "__sync_val_compare_and_swap()" ; then
cmp_swap="yes"
fi
print_config "__sync_val_compare_and_swap" "$cmp_swap"
##########################################
# libverbs probe
if test "$libverbs" != "yes" ; then
libverbs="no"
fi
cat > $TMPC << EOF
#include <infiniband/verbs.h>
int main(int argc, char **argv)
{
struct ibv_pd *pd = ibv_alloc_pd(NULL);
return 0;
}
EOF
if test "$disable_rdma" != "yes" && compile_prog "" "-libverbs" "libverbs" ; then
libverbs="yes"
LIBS="-libverbs $LIBS"
fi
print_config "libverbs" "$libverbs"
##########################################
# rdmacm probe
if test "$rdmacm" != "yes" ; then
rdmacm="no"
fi
cat > $TMPC << EOF
#include <stdio.h>
#include <rdma/rdma_cma.h>
int main(int argc, char **argv)
{
rdma_destroy_qp(NULL);
return 0;
}
EOF
if test "$disable_rdma" != "yes" && compile_prog "" "-lrdmacm" "rdma"; then
rdmacm="yes"
LIBS="-lrdmacm $LIBS"
fi
print_config "rdmacm" "$rdmacm"
##########################################
# asprintf() and vasprintf() probes
if test "$have_asprintf" != "yes" ; then
have_asprintf="no"
fi
cat > $TMPC << EOF
#include <stdio.h>
int main(int argc, char **argv)
{
return asprintf(NULL, "%s", "str") == 0;
}
EOF
if compile_prog "" "" "have_asprintf"; then
have_asprintf="yes"
fi
print_config "asprintf()" "$have_asprintf"
if test "$have_vasprintf" != "yes" ; then
have_vasprintf="no"
fi
cat > $TMPC << EOF
#include <stdio.h>
int main(int argc, char **argv)
{
return vasprintf(NULL, "%s", NULL) == 0;
}
EOF
if compile_prog "" "" "have_vasprintf"; then
have_vasprintf="yes"
fi
print_config "vasprintf()" "$have_vasprintf"
##########################################
# Linux fallocate probe
if test "$linux_fallocate" != "yes" ; then
linux_fallocate="no"
fi
cat > $TMPC << EOF
#include <stdio.h>
#include <fcntl.h>
#include <linux/falloc.h>
int main(int argc, char **argv)
{
int r = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 1024);
return r;
}
EOF
if compile_prog "" "" "linux_fallocate"; then
linux_fallocate="yes"
fi
print_config "Linux fallocate" "$linux_fallocate"
##########################################
# POSIX fadvise probe
if test "$posix_fadvise" != "yes" ; then
posix_fadvise="no"
fi
cat > $TMPC << EOF
#include <stdio.h>
#include <fcntl.h>
int main(int argc, char **argv)
{
int r = posix_fadvise(0, 0, 0, POSIX_FADV_NORMAL);
return r;
}
EOF
if compile_prog "" "" "posix_fadvise"; then
posix_fadvise="yes"
fi
print_config "POSIX fadvise" "$posix_fadvise"
##########################################
# POSIX fallocate probe
if test "$posix_fallocate" != "yes" ; then
posix_fallocate="no"
fi
cat > $TMPC << EOF
#include <stdio.h>
#include <fcntl.h>
int main(int argc, char **argv)
{
int r = posix_fallocate(0, 0, 1024);
return r;
}
EOF
if compile_prog "" "" "posix_fallocate"; then
posix_fallocate="yes"
fi
print_config "POSIX fallocate" "$posix_fallocate"
##########################################
# sched_set/getaffinity 2 or 3 argument test
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)
{
cpu_set_t mask;
return sched_setaffinity(0, sizeof(mask), &mask);
}
EOF
if compile_prog "" "" "sched_setaffinity(,,)"; then
linux_3arg_affinity="yes"
else
cat > $TMPC << EOF
#include <sched.h>
int main(int argc, char **argv)
{
cpu_set_t mask;
return sched_setaffinity(0, &mask);
}
EOF
if compile_prog "" "" "sched_setaffinity(,)"; then
linux_2arg_affinity="yes"
fi
fi
print_config "sched_setaffinity(3 arg)" "$linux_3arg_affinity"
print_config "sched_setaffinity(2 arg)" "$linux_2arg_affinity"
##########################################
# clock_gettime probe
if test "$clock_gettime" != "yes" ; then
clock_gettime="no"
fi
cat > $TMPC << EOF
#include <stdio.h>
#include <time.h>
int main(int argc, char **argv)
{
return clock_gettime(0, NULL);
}
EOF
if compile_prog "" "" "clock_gettime"; then
clock_gettime="yes"
elif compile_prog "" "-lrt" "clock_gettime"; then
clock_gettime="yes"
LIBS="-lrt $LIBS"
fi
print_config "clock_gettime" "$clock_gettime"
##########################################
# CLOCK_MONOTONIC probe
if test "$clock_monotonic" != "yes" ; then
clock_monotonic="no"
fi
if test "$clock_gettime" = "yes" ; then
cat > $TMPC << EOF
#include <stdio.h>
#include <time.h>
int main(int argc, char **argv)
{
return clock_gettime(CLOCK_MONOTONIC, NULL);
}
EOF
if compile_prog "" "$LIBS" "clock monotonic"; then
clock_monotonic="yes"
fi
fi
print_config "CLOCK_MONOTONIC" "$clock_monotonic"
##########################################
# CLOCK_MONOTONIC_RAW probe
if test "$clock_monotonic_raw" != "yes" ; then
clock_monotonic_raw="no"
fi
if test "$clock_gettime" = "yes" ; then
cat > $TMPC << EOF
#include <stdio.h>
#include <time.h>
int main(int argc, char **argv)
{
return clock_gettime(CLOCK_MONOTONIC_RAW, NULL);
}
EOF
if compile_prog "" "$LIBS" "clock monotonic"; then
clock_monotonic_raw="yes"
fi
fi
print_config "CLOCK_MONOTONIC_RAW" "$clock_monotonic_raw"
##########################################
# CLOCK_MONOTONIC_PRECISE probe
if test "$clock_monotonic_precise" != "yes" ; then
clock_monotonic_precise="no"
fi
if test "$clock_gettime" = "yes" ; then
cat > $TMPC << EOF
#include <stdio.h>
#include <time.h>