isa-l/configure.ac
H.J. Lu 8074e3fe1b x86: Generate .note.gnu.property section for ELF output
We should generate .note.gnu.property section with x86 assembly codes
for ELF outputs to mark Intel CET support when Intel CET is enabled
since all input files must be marked with Intel CET support in order
for linker to mark output with Intel CET support.  Since nasm and yasm
can't generate the proper .note.gnu.property section, yasm-cet-filter.sh
and yasm-filter.sh are added to generate the proper .note.gnu.property
with linker help.

Verified with

$ CC="gcc -Wl,-z,cet-report=error -fcf-protection" CXX="g++ -Wl,-z,cet-report=error -fcf-protection" .../configure x86_64-linux
$ make -j8

on Linux/x86-64.

Change-Id: I14e03a8a9031c8397dc36939a528cf5a827d775a
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
2020-05-26 17:12:01 -07:00

313 lines
8.7 KiB
Plaintext

# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.69)
AC_INIT([libisal],
[2.29.0],
[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])
AM_CONDITIONAL(INTEL_CET_ENABLED, [test x"$intel_cet_enabled" = x"yes"])
# Pick an assembler yasm or nasm
if test x"$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
# 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}
])