ceph/src/isa-l/configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 AC_PREREQ(2.69)
   5 AC_INIT([libisal],
   6         [2.30.0],
   7         [sg.support.isal@intel.com],
   8         [isa-l],
   9         [http://01.org/storage-acceleration-library])
  10 AC_CONFIG_SRCDIR([])
  11 AC_CONFIG_AUX_DIR([build-aux])
  12 AM_INIT_AUTOMAKE([
  13         foreign
  14         1.11
  15         -Wall
  16         -Wno-portability
  17         silent-rules
  18         tar-pax
  19         no-dist-gzip
  20         dist-xz
  21         subdir-objects
  22 ])
  23 AM_PROG_AS
  24
  25 AC_CANONICAL_HOST
  26 CPU=""
  27 AS_CASE([$host_cpu],
  28   [x86_64], [CPU="x86_64"],
  29   [amd64], [CPU="x86_64"],
  30   [i?86], [CPU="x86_32"],
  31   [aarch64], [CPU="aarch64"],
  32   [arm64], [CPU="aarch64"],
  33   [powerpc64le], [CPU="ppc64le"],
  34   [ppc64le], [CPU="ppc64le"],
  35 )
  36 AM_CONDITIONAL([CPU_X86_64], [test "$CPU" = "x86_64"])
  37 AM_CONDITIONAL([CPU_X86_32], [test "$CPU" = "x86_32"])
  38 AM_CONDITIONAL([CPU_AARCH64], [test "$CPU" = "aarch64"])
  39 AM_CONDITIONAL([CPU_PPC64LE], [test "$CPU" = "ppc64le"])
  40 AM_CONDITIONAL([CPU_UNDEFINED], [test "x$CPU" = "x"])
  41
  42 if test "$CPU" = "x86_64"; then
  43    is_x86=yes
  44 else
  45    if test "$CPU" = "x86_32"; then
  46       is_x86=yes
  47    else
  48       is_x86=no
  49    fi
  50 fi
  51
  52 # Check for programs
  53 AC_PROG_CC_STDC
  54 AC_PROG_LD
  55 AC_USE_SYSTEM_EXTENSIONS
  56 AM_SILENT_RULES([yes])
  57 LT_INIT
  58 AC_PREFIX_DEFAULT([/usr])
  59 AC_PROG_SED
  60 AC_PROG_MKDIR_P
  61
  62 # Options
  63 AC_ARG_ENABLE([debug],
  64         AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
  65         [], [enable_debug=no])
  66 AS_IF([test "x$enable_debug" = "xyes"], [
  67         AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
  68 ])
  69
  70 # If this build is for x86, look for yasm and nasm
  71 if test x"$is_x86" = x"yes"; then
  72   AC_MSG_CHECKING([whether Intel CET is enabled])
  73   AC_TRY_COMPILE([],[
  74 #ifndef __CET__
  75 # error CET is not enabled
  76 #endif],
  77                   [AC_MSG_RESULT([yes])
  78                    intel_cet_enabled=yes],
  79                   [AC_MSG_RESULT([no])
  80                    intel_cet_enabled=no])
  81
  82
  83   # Pick an assembler yasm or nasm
  84   if test x"$AS" = x""; then
  85     # Check for yasm and yasm features
  86     yasm_feature_level=0
  87     AC_CHECK_PROG(HAVE_YASM, yasm, yes, no)
  88     if test "$HAVE_YASM" = "yes"; then
  89        yasm_feature_level=1
  90     else
  91        AC_MSG_RESULT([no yasm])
  92     fi
  93     if test x"$yasm_feature_level" = x"1"; then
  94        AC_MSG_CHECKING([for modern yasm])
  95        AC_LANG_CONFTEST([AC_LANG_SOURCE([[vmovdqa %xmm0, %xmm1;]])])
  96        if yasm -f elf64 -p gas conftest.c ; then
  97          AC_MSG_RESULT([yes])
  98          yasm_feature_level=4
  99        else
 100          AC_MSG_RESULT([no])
 101        fi
 102     fi
 103     if test x"$yasm_feature_level" = x"4"; then
 104        AC_MSG_CHECKING([for optional yasm AVX512 support])
 105        AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpshufb %zmm0, %zmm1, %zmm2;]])])
 106        if yasm -f elf64 -p gas conftest.c 2> /dev/null; then
 107          AC_MSG_RESULT([yes])
 108          yasm_feature_level=6
 109        else
 110          AC_MSG_RESULT([no])
 111        fi
 112     fi
 113     if test x"$yasm_feature_level" = x"6"; then
 114       AC_MSG_CHECKING([for additional yasm AVX512 support])
 115       AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpcompressb zmm0, k1, zmm1;]])])
 116       sed -i -e '/vpcompressb/!d' conftest.c
 117       if yasm -f elf64  conftest.c 2> /dev/null; then
 118         AC_MSG_RESULT([yes])
 119         yasm_feature_level=10
 120       else
 121         AC_MSG_RESULT([no])
 122       fi
 123     fi
 124
 125     # Check for nasm and nasm features
 126     nasm_feature_level=0
 127     AC_CHECK_PROG(HAVE_NASM, nasm, yes, no)
 128     if test "$HAVE_NASM" = "yes"; then
 129        nasm_feature_level=1
 130     else
 131        AC_MSG_RESULT([no nasm])
 132     fi
 133
 134     if test x"$nasm_feature_level" = x"1"; then
 135       AC_MSG_CHECKING([for modern nasm])
 136       AC_LANG_CONFTEST([AC_LANG_SOURCE([[pblendvb xmm2, xmm1;]])])
 137       sed -i -e '/pblendvb/!d' conftest.c
 138       if nasm -f elf64 conftest.c 2> /dev/null; then
 139         AC_MSG_RESULT([yes])
 140         nasm_feature_level=4
 141       else
 142         AC_MSG_RESULT([no])
 143       fi
 144     fi
 145     if test x"$nasm_feature_level" = x"4"; then
 146       AC_MSG_CHECKING([for optional nasm AVX512 support])
 147       AC_LANG_CONFTEST([AC_LANG_SOURCE([[vinserti32x8 zmm0, ymm1, 1;]])])
 148       sed -i -e '/vinsert/!d' conftest.c
 149       if nasm -f elf64  conftest.c 2> /dev/null; then
 150         AC_MSG_RESULT([yes])
 151         nasm_feature_level=6
 152       else
 153         AC_MSG_RESULT([no])
 154       fi
 155     fi
 156     if test x"$nasm_feature_level" = x"6"; then
 157       AC_MSG_CHECKING([for additional nasm AVX512 support])
 158       AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpcompressb zmm0 {k1}, zmm1;]])])
 159       sed -i -e '/vpcompressb/!d' conftest.c
 160       if nasm -f elf64  conftest.c 2> /dev/null; then
 161         AC_MSG_RESULT([yes])
 162         nasm_feature_level=10
 163       else
 164         AC_MSG_RESULT([no])
 165       fi
 166     fi
 167
 168     if test $nasm_feature_level -ge $yasm_feature_level ; then
 169       AS=nasm
 170       as_feature_level=$nasm_feature_level
 171     else
 172       AS=yasm
 173       as_feature_level=$yasm_feature_level
 174     fi
 175
 176   else
 177     # Check for $AS supported features
 178     as_feature_level=0
 179     AC_CHECK_PROG(HAVE_AS, $AS, yes, no)
 180     if test "$HAVE_AS" = "yes"; then
 181        as_feature_level=1
 182     else
 183        AC_MSG_ERROR([no $AS])
 184     fi
 185
 186     if test x"$as_feature_level" = x"1"; then
 187       AC_MSG_CHECKING([for modern $AS])
 188       AC_LANG_CONFTEST([AC_LANG_SOURCE([[pblendvb xmm2, xmm1;]])])
 189       sed -i -e '/pblendvb/!d' conftest.c
 190       if $AS -f elf64 conftest.c 2> /dev/null; then
 191         AC_MSG_RESULT([yes])
 192         as_feature_level=4
 193       else
 194         AC_MSG_RESULT([no])
 195       fi
 196     fi
 197     if test x"$as_feature_level" = x"4"; then
 198       AC_MSG_CHECKING([for optional as AVX512 support])
 199       AC_LANG_CONFTEST([AC_LANG_SOURCE([[vinserti32x8 zmm0, ymm1, 1;]])])
 200       sed -i -e '/vinsert/!d' conftest.c
 201       if $AS -f elf64  conftest.c 2> /dev/null; then
 202         AC_MSG_RESULT([yes])
 203         as_feature_level=6
 204       else
 205         AC_MSG_RESULT([no])
 206       fi
 207     fi
 208     if test x"$as_feature_level" = x"6"; then
 209       AC_MSG_CHECKING([for additional as AVX512 support])
 210       AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpcompressb zmm0, k1, zmm1;]])])
 211       sed -i -e '/vpcompressb/!d' conftest.c
 212       if $AS -f elf64  conftest.c 2> /dev/null; then
 213         AC_MSG_RESULT([yes])
 214         as_feature_level=10
 215       else
 216         AC_MSG_RESULT([no])
 217       fi
 218     fi
 219   fi
 220
 221   if test $as_feature_level -lt 2 ; then
 222     AC_MSG_ERROR([No modern nasm or yasm found as required. Nasm should be v2.11.01 or later (v2.13 for AVX512) and yasm should be 1.2.0 or later.])
 223   fi
 224
 225   case $host_os in
 226        *linux*)  arch=linux   yasm_args="-f elf64";;
 227        *darwin*) arch=darwin  yasm_args="-f macho64 --prefix=_ ";;
 228        *netbsd*) arch=netbsd  yasm_args="-f elf64";;
 229        *mingw*)  arch=mingw   yasm_args="-f win64";;
 230        *)        arch=unknown yasm_args="-f elf64";;
 231   esac
 232
 233   # Fix for nasm missing windows features
 234   if test x"$arch" = x"mingw"; then
 235     AS=yasm
 236     as_feature_level=$yasm_feature_level
 237     if test $as_feature_level -lt 2 ; then
 238       AC_MSG_ERROR([Mingw build requires Yasm 1.2.0 or later.])
 239     fi
 240   fi
 241
 242   AC_DEFINE_UNQUOTED(AS_FEATURE_LEVEL, [$as_feature_level], [Assembler feature level.])
 243   if test $as_feature_level -ge 6 ; then
 244     AC_DEFINE(HAVE_AS_KNOWS_AVX512, [1], [Assembler can do AVX512.])
 245     have_as_knows_avx512=yes
 246   else
 247     AC_MSG_RESULT([Assembler does not understand AVX512 opcodes.  Consider upgrading for best performance.])
 248   fi
 249
 250   AM_CONDITIONAL(USE_YASM, test x"$AS" = x"yasm")
 251   AM_CONDITIONAL(USE_NASM, test x"$AS" = x"nasm")
 252   AM_CONDITIONAL(WITH_AVX512, test x"$have_as_knows_avx512" = x"yes")
 253   AC_SUBST([yasm_args])
 254   AM_CONDITIONAL(DARWIN, test x"$arch" = x"darwin")
 255   AC_MSG_RESULT([Using $AS args target "$arch" "$yasm_args"])
 256 else
 257   # Disable below conditionals if not x86
 258   AM_CONDITIONAL(USE_YASM, test "x" = "y")
 259   AM_CONDITIONAL(USE_NASM, test "x" = "y")
 260   AM_CONDITIONAL(WITH_AVX512, test "x" = "y")
 261   AM_CONDITIONAL(DARWIN, test "x" = "y")
 262 fi
 263
 264 AM_CONDITIONAL(INTEL_CET_ENABLED, [test x"$intel_cet_enabled" = x"yes"])
 265
 266 # Check for header files
 267 AC_CHECK_HEADERS([limits.h stdint.h stdlib.h string.h])
 268
 269 # Checks for typedefs, structures, and compiler characteristics.
 270 AC_C_INLINE
 271 AC_TYPE_SIZE_T
 272 AC_TYPE_UINT16_T
 273 AC_TYPE_UINT32_T
 274 AC_TYPE_UINT64_T
 275 AC_TYPE_UINT8_T
 276
 277 # Checks for library functions.
 278 AC_FUNC_MALLOC  # Used only in tests
 279 AC_CHECK_FUNCS([memmove memset getopt])
 280
 281 my_CFLAGS="\
 282 -Wall \
 283 -Wchar-subscripts \
 284 -Wformat-security \
 285 -Wnested-externs \
 286 -Wpointer-arith \
 287 -Wshadow \
 288 -Wstrict-prototypes \
 289 -Wtype-limits \
 290 "
 291 AC_SUBST([my_CFLAGS])
 292
 293 AC_CONFIG_FILES([\
 294         Makefile\
 295         libisal.pc
 296 ])
 297
 298 AC_OUTPUT
 299 AC_MSG_RESULT([
 300         $PACKAGE $VERSION
 301         =====
 302
 303         prefix:                 ${prefix}
 304         sysconfdir:             ${sysconfdir}
 305         libdir:                 ${libdir}
 306         includedir:             ${includedir}
 307
 308         compiler:               ${CC}
 309         cflags:                 ${CFLAGS}
 310         ldflags:                ${LDFLAGS}
 311
 312         debug:                  ${enable_debug}
 313 ])