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configure.ac
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configure.ac
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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.69)
AC_INIT([libisal],
[2.30.0],
[sg.support.isal@intel.com],
[isa-l],
[http://01.org/storage-acceleration-library])
AC_CONFIG_SRCDIR([])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([
foreign
1.11
-Wall
-Wno-portability
silent-rules
tar-pax
no-dist-gzip
dist-xz
subdir-objects
])
AM_PROG_AS
AC_CANONICAL_HOST
CPU=""
AS_CASE([$host_cpu],
[x86_64], [CPU="x86_64"],
[amd64], [CPU="x86_64"],
[i?86], [CPU="x86_32"],
[aarch64], [CPU="aarch64"],
[arm64], [CPU="aarch64"],
[powerpc64le], [CPU="ppc64le"],
[ppc64le], [CPU="ppc64le"],
)
AM_CONDITIONAL([CPU_X86_64], [test "$CPU" = "x86_64"])
AM_CONDITIONAL([CPU_X86_32], [test "$CPU" = "x86_32"])
AM_CONDITIONAL([CPU_AARCH64], [test "$CPU" = "aarch64"])
AM_CONDITIONAL([CPU_PPC64LE], [test "$CPU" = "ppc64le"])
AM_CONDITIONAL([CPU_UNDEFINED], [test "x$CPU" = "x"])
if test "$CPU" = "x86_64"; then
is_x86=yes
else
if test "$CPU" = "x86_32"; then
is_x86=yes
else
is_x86=no
fi
fi
# Check for programs
AC_PROG_CC_STDC
AC_PROG_LD
AC_USE_SYSTEM_EXTENSIONS
AM_SILENT_RULES([yes])
LT_INIT
AC_PREFIX_DEFAULT([/usr])
AC_PROG_SED
AC_PROG_MKDIR_P
# Options
AC_ARG_ENABLE([debug],
AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
[], [enable_debug=no])
AS_IF([test "x$enable_debug" = "xyes"], [
AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
])
# If this build is for x86, look for yasm and nasm
if test x"$is_x86" = x"yes"; then
AC_MSG_CHECKING([whether Intel CET is enabled])
AC_TRY_COMPILE([],[
#ifndef __CET__
# error CET is not enabled
#endif],
[AC_MSG_RESULT([yes])
intel_cet_enabled=yes],
[AC_MSG_RESULT([no])
intel_cet_enabled=no])
# Pick an assembler yasm or nasm
if test x"$AS" = x""; then
# Check for yasm and yasm features
yasm_feature_level=0
AC_CHECK_PROG(HAVE_YASM, yasm, yes, no)
if test "$HAVE_YASM" = "yes"; then
yasm_feature_level=1
else
AC_MSG_RESULT([no yasm])
fi
if test x"$yasm_feature_level" = x"1"; then
AC_MSG_CHECKING([for modern yasm])
AC_LANG_CONFTEST([AC_LANG_SOURCE([[vmovdqa %xmm0, %xmm1;]])])
if yasm -f elf64 -p gas conftest.c ; then
AC_MSG_RESULT([yes])
yasm_feature_level=4
else
AC_MSG_RESULT([no])
fi
fi
if test x"$yasm_feature_level" = x"4"; then
AC_MSG_CHECKING([for optional yasm AVX512 support])
AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpshufb %zmm0, %zmm1, %zmm2;]])])
if yasm -f elf64 -p gas conftest.c 2> /dev/null; then
AC_MSG_RESULT([yes])
yasm_feature_level=6
else
AC_MSG_RESULT([no])
fi
fi
if test x"$yasm_feature_level" = x"6"; then
AC_MSG_CHECKING([for additional yasm AVX512 support])
AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpcompressb zmm0, k1, zmm1;]])])
sed -i -e '/vpcompressb/!d' conftest.c
if yasm -f elf64 conftest.c 2> /dev/null; then
AC_MSG_RESULT([yes])
yasm_feature_level=10
else
AC_MSG_RESULT([no])
fi
fi
# Check for nasm and nasm features
nasm_feature_level=0
AC_CHECK_PROG(HAVE_NASM, nasm, yes, no)
if test "$HAVE_NASM" = "yes"; then
nasm_feature_level=1
else
AC_MSG_RESULT([no nasm])
fi
if test x"$nasm_feature_level" = x"1"; then
AC_MSG_CHECKING([for modern nasm])
AC_LANG_CONFTEST([AC_LANG_SOURCE([[pblendvb xmm2, xmm1;]])])
sed -i -e '/pblendvb/!d' conftest.c
if nasm -f elf64 conftest.c 2> /dev/null; then
AC_MSG_RESULT([yes])
nasm_feature_level=4
else
AC_MSG_RESULT([no])
fi
fi
if test x"$nasm_feature_level" = x"4"; then
AC_MSG_CHECKING([for optional nasm AVX512 support])
AC_LANG_CONFTEST([AC_LANG_SOURCE([[vinserti32x8 zmm0, ymm1, 1;]])])
sed -i -e '/vinsert/!d' conftest.c
if nasm -f elf64 conftest.c 2> /dev/null; then
AC_MSG_RESULT([yes])
nasm_feature_level=6
else
AC_MSG_RESULT([no])
fi
fi
if test x"$nasm_feature_level" = x"6"; then
AC_MSG_CHECKING([for additional nasm AVX512 support])
AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpcompressb zmm0 {k1}, zmm1;]])])
sed -i -e '/vpcompressb/!d' conftest.c
if nasm -f elf64 conftest.c 2> /dev/null; then
AC_MSG_RESULT([yes])
nasm_feature_level=10
else
AC_MSG_RESULT([no])
fi
fi
if test $nasm_feature_level -ge $yasm_feature_level ; then
AS=nasm
as_feature_level=$nasm_feature_level
else
AS=yasm
as_feature_level=$yasm_feature_level
fi
else
# Check for $AS supported features
as_feature_level=0
AC_CHECK_PROG(HAVE_AS, $AS, yes, no)
if test "$HAVE_AS" = "yes"; then
as_feature_level=1
else
AC_MSG_ERROR([no $AS])
fi
if test x"$as_feature_level" = x"1"; then
AC_MSG_CHECKING([for modern $AS])
AC_LANG_CONFTEST([AC_LANG_SOURCE([[pblendvb xmm2, xmm1;]])])
sed -i -e '/pblendvb/!d' conftest.c
if $AS -f elf64 conftest.c 2> /dev/null; then
AC_MSG_RESULT([yes])
as_feature_level=4
else
AC_MSG_RESULT([no])
fi
fi
if test x"$as_feature_level" = x"4"; then
AC_MSG_CHECKING([for optional as AVX512 support])
AC_LANG_CONFTEST([AC_LANG_SOURCE([[vinserti32x8 zmm0, ymm1, 1;]])])
sed -i -e '/vinsert/!d' conftest.c
if $AS -f elf64 conftest.c 2> /dev/null; then
AC_MSG_RESULT([yes])
as_feature_level=6
else
AC_MSG_RESULT([no])
fi
fi
if test x"$as_feature_level" = x"6"; then
AC_MSG_CHECKING([for additional as AVX512 support])
AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpcompressb zmm0, k1, zmm1;]])])
sed -i -e '/vpcompressb/!d' conftest.c
if $AS -f elf64 conftest.c 2> /dev/null; then
AC_MSG_RESULT([yes])
as_feature_level=10
else
AC_MSG_RESULT([no])
fi
fi
fi
if test $as_feature_level -lt 2 ; then
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.])
fi
case $host_os in
*linux*) arch=linux yasm_args="-f elf64";;
*darwin*) arch=darwin yasm_args="-f macho64 --prefix=_ ";;
*netbsd*) arch=netbsd yasm_args="-f elf64";;
*mingw*) arch=mingw yasm_args="-f win64";;
*) arch=unknown yasm_args="-f elf64";;
esac
# Fix for nasm missing windows features
if test x"$arch" = x"mingw"; then
AS=yasm
as_feature_level=$yasm_feature_level
if test $as_feature_level -lt 2 ; then
AC_MSG_ERROR([Mingw build requires Yasm 1.2.0 or later.])
fi
fi
AC_DEFINE_UNQUOTED(AS_FEATURE_LEVEL, [$as_feature_level], [Assembler feature level.])
if test $as_feature_level -ge 6 ; then
AC_DEFINE(HAVE_AS_KNOWS_AVX512, [1], [Assembler can do AVX512.])
have_as_knows_avx512=yes
else
AC_MSG_RESULT([Assembler does not understand AVX512 opcodes. Consider upgrading for best performance.])
fi
AM_CONDITIONAL(USE_YASM, test x"$AS" = x"yasm")
AM_CONDITIONAL(USE_NASM, test x"$AS" = x"nasm")
AM_CONDITIONAL(WITH_AVX512, test x"$have_as_knows_avx512" = x"yes")
AC_SUBST([yasm_args])
AM_CONDITIONAL(DARWIN, test x"$arch" = x"darwin")
AC_MSG_RESULT([Using $AS args target "$arch" "$yasm_args"])
else
# Disable below conditionals if not x86
AM_CONDITIONAL(USE_YASM, test "x" = "y")
AM_CONDITIONAL(USE_NASM, test "x" = "y")
AM_CONDITIONAL(WITH_AVX512, test "x" = "y")
AM_CONDITIONAL(DARWIN, test "x" = "y")
fi
AM_CONDITIONAL(INTEL_CET_ENABLED, [test x"$intel_cet_enabled" = x"yes"])
# Check for header files
AC_CHECK_HEADERS([limits.h stdint.h stdlib.h string.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_SIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T
# Checks for library functions.
AC_FUNC_MALLOC # Used only in tests
AC_CHECK_FUNCS([memmove memset getopt])
my_CFLAGS="\
-Wall \
-Wchar-subscripts \
-Wformat-security \
-Wnested-externs \
-Wpointer-arith \
-Wshadow \
-Wstrict-prototypes \
-Wtype-limits \
"
AC_SUBST([my_CFLAGS])
AC_CONFIG_FILES([\
Makefile\
libisal.pc
])
AC_OUTPUT
AC_MSG_RESULT([
$PACKAGE $VERSION
=====
prefix: ${prefix}
sysconfdir: ${sysconfdir}
libdir: ${libdir}
includedir: ${includedir}
compiler: ${CC}
cflags: ${CFLAGS}
ldflags: ${LDFLAGS}
debug: ${enable_debug}
])