f85f63cec6
Fix warnings about obsolete/deprecated features reported by modern autotools. Also updates third-party m4 macros.
100 lines
3.3 KiB
Plaintext
100 lines
3.3 KiB
Plaintext
# Copyright (C) 2016-2017 Alexey Kopytov <akopytov@gmail.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# ---------------------------------------------------------------------------
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# Macro: SB_CONCURRENCY_KIT
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# ---------------------------------------------------------------------------
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AC_DEFUN([SB_CONCURRENCY_KIT], [
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AC_ARG_WITH([system-ck],
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AS_HELP_STRING([--with-system-ck],
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[Use system-provided Concurrency Kit headers and library (requires pkg-config)]),
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[sb_use_ck="system"],
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[sb_use_ck="bundled"])
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AC_CACHE_CHECK([whether to build with system or bundled Concurrency Kit],
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[sb_cv_lib_ck], [
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AS_IF([test "x$sb_use_ck" = "xsystem"],
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[
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sb_cv_lib_ck=[system]
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], [
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sb_cv_lib_ck=[bundled]
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])
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])
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AS_IF([test "x$sb_cv_lib_ck" = "xsystem"],
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# let PKG_CHECK_MODULES set CK_CFLAGS and CK_LIBS for system libck
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[PKG_CHECK_MODULES([CK], [ck])],
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# Set CK_CFLAGS and CK_LIBS manually for bundled libck
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[
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CK_CFLAGS="-I\$(abs_top_builddir)/third_party/concurrency_kit/include"
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CK_LIBS="\$(abs_top_builddir)/third_party/concurrency_kit/lib/libck.a"
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case $target_cpu in
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powerpc*|aarch64)
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# Assume 128-byte cache line on AArch64 and PowerPC
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CPPFLAGS="${CPPFLAGS} -DCK_MD_CACHELINE=128"
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;;
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# Force --platform=i*86 for CK, otherwise its configure script
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# autodetects target based on 'uname -m' which doesn't work for
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# cross-compiliation
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i486*|i586*)
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CK_CONFIGURE_FLAGS="--platform=i586"
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;;
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i686*)
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CK_CONFIGURE_FLAGS="--platform=i686"
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;;
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mips64*)
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CK_CONFIGURE_FLAGS="--use-cc-builtins"
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;;
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esac
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# Add --enable-lse to CK build flags, if LSE instructions are supported by
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# the target architecture
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if test "$cross_compiling" = no -a "$host_cpu" = aarch64; then
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AC_MSG_CHECKING([whether LSE instructions are supported])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(,
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[[
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unsigned long long d = 1, a = 1;
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unsigned long long *t = &a;
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__asm__ __volatile__(
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"stadd %0, [%1];"
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: "+&r" (d)
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: "r" (t)
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: "memory");
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]])],
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[
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CK_CONFIGURE_FLAGS="--enable-lse"
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AC_MSG_RESULT([yes])
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],
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[
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CK_CONFIGURE_FLAGS=""
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AC_MSG_RESULT([no])
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]
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)
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AC_SUBST([CK_CONFIGURE_FLAGS])
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fi
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]
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)
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AC_DEFINE_UNQUOTED([SB_WITH_CK], ["$sb_use_ck"],
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[Whether system or bundled Concurrency Kit is used])
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AM_CONDITIONAL([USE_BUNDLED_CK], [test "x$sb_use_ck" = xbundled])
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])
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