AC_FUNC_STRERROR_R
AC_C__GENERIC
AC_C___ATOMIC
-AC_CANONICAL_HOST
AC_CHECK_SIZEOF([void *])
+AC_CANONICAL_HOST
+
+AC_ARG_VAR([SSE_CANDIDATE], [C compiler flags for SSE])
+AS_CASE([$host_cpu],
+ [i?86], [SSE_CANDIDATE="yes"]
+)
+AC_SUBST([SSE_CANDIDATE])
+if test "${SSE_CANDIDATE}" = "yes"; then
+ opt="-msse2 -mfpmath=sse"
+ AX_CHECK_COMPILE_FLAG($opt, [CFLAGS="$CFLAGS $opt"], [])
+fi
AC_ARG_VAR([MATH_CFLAGS], [C compiler flags for math])
AC_ARG_VAR([MATH_LIBS], [linker flags for math])
+++ /dev/null
-# AC_C___ATOMIC
-# -------------
-# Define HAVE_C___ATOMIC if __atomic works.
-AN_IDENTIFIER([__atomic], [AC_C___ATOMIC])
-AC_DEFUN([AC_C___ATOMIC],
-[AC_CACHE_CHECK([for __atomic], ac_cv_c___atomic,
-[AC_COMPILE_IFELSE(
- [AC_LANG_SOURCE(
- [[int
- main (int argc, char **argv)
- {
- volatile unsigned long ul1 = 1, ul2 = 0, ul3 = 2;
- __atomic_compare_exchange(&ul1, &ul2, &ul3, 1, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
- __atomic_fetch_add(&ul1, 1, __ATOMIC_SEQ_CST);
- __atomic_fetch_sub(&ul3, 1, __ATOMIC_SEQ_CST);
- volatile unsigned long long ull1 = 1, ull2 = 0, ull3 = 2;
- __atomic_compare_exchange(&ull1, &ull2, &ull3, 1, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
- __atomic_fetch_add(&ull1, 1, __ATOMIC_SEQ_CST);
- __atomic_fetch_sub(&ull3, 1, __ATOMIC_SEQ_CST);
- return 0;
- }
- ]])],
- [ac_cv_c___atomic=yes],
- [ac_cv_c___atomic=no])])
-if test $ac_cv_c___atomic = yes; then
- AC_DEFINE([HAVE_C___ATOMIC], 1,
- [Define to 1 if __atomic operations work.])
-fi
-])# AC_C___ATOMIC
-
+++ /dev/null
-# https://lists.gnu.org/archive/html/autoconf-commit/2012-12/msg00004.html
-# AC_C__GENERIC
-# -------------
-# Define HAVE_C__GENERIC if _Generic works, a la C11.
-AN_IDENTIFIER([_Generic], [AC_C__GENERIC])
-AC_DEFUN([AC_C__GENERIC],
-[AC_CACHE_CHECK([for _Generic], ac_cv_c__Generic,
-[AC_COMPILE_IFELSE(
- [AC_LANG_SOURCE(
- [[int
- main (int argc, char **argv)
- {
- int a = _Generic (argc, int: argc = 1);
- int *b = &_Generic (argc, default: argc);
- char ***c = _Generic (argv, int: argc, default: argv ? &argv : 0);
- _Generic (1 ? 0 : b, int: a, default: b) = &argc;
- _Generic (a = 1, default: a) = 3;
- return a + !b + !c;
- }
- ]])],
- [ac_cv_c__Generic=yes],
- [ac_cv_c__Generic=no])])
-if test $ac_cv_c__Generic = yes; then
- AC_DEFINE([HAVE_C__GENERIC], 1,
- [Define to 1 if C11-style _Generic works.])
-fi
-])# AC_C__GENERIC
-
--- /dev/null
+# AC_C___ATOMIC
+# -------------
+# Define HAVE_C___ATOMIC if __atomic works.
+AN_IDENTIFIER([__atomic], [AC_C___ATOMIC])
+AC_DEFUN([AC_C___ATOMIC],
+[AC_CACHE_CHECK([for __atomic], ac_cv_c___atomic,
+[AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE(
+ [[int
+ main (int argc, char **argv)
+ {
+ volatile unsigned long ul1 = 1, ul2 = 0, ul3 = 2;
+ __atomic_compare_exchange(&ul1, &ul2, &ul3, 1, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
+ __atomic_fetch_add(&ul1, 1, __ATOMIC_SEQ_CST);
+ __atomic_fetch_sub(&ul3, 1, __ATOMIC_SEQ_CST);
+ volatile unsigned long long ull1 = 1, ull2 = 0, ull3 = 2;
+ __atomic_compare_exchange(&ull1, &ull2, &ull3, 1, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
+ __atomic_fetch_add(&ull1, 1, __ATOMIC_SEQ_CST);
+ __atomic_fetch_sub(&ull3, 1, __ATOMIC_SEQ_CST);
+ return 0;
+ }
+ ]])],
+ [ac_cv_c___atomic=yes],
+ [ac_cv_c___atomic=no])])
+if test $ac_cv_c___atomic = yes; then
+ AC_DEFINE([HAVE_C___ATOMIC], 1,
+ [Define to 1 if __atomic operations work.])
+fi
+])# AC_C___ATOMIC
+
--- /dev/null
+# https://lists.gnu.org/archive/html/autoconf-commit/2012-12/msg00004.html
+# AC_C__GENERIC
+# -------------
+# Define HAVE_C__GENERIC if _Generic works, a la C11.
+AN_IDENTIFIER([_Generic], [AC_C__GENERIC])
+AC_DEFUN([AC_C__GENERIC],
+[AC_CACHE_CHECK([for _Generic], ac_cv_c__Generic,
+[AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE(
+ [[int
+ main (int argc, char **argv)
+ {
+ int a = _Generic (argc, int: argc = 1);
+ int *b = &_Generic (argc, default: argc);
+ char ***c = _Generic (argv, int: argc, default: argv ? &argv : 0);
+ _Generic (1 ? 0 : b, int: a, default: b) = &argc;
+ _Generic (a = 1, default: a) = 3;
+ return a + !b + !c;
+ }
+ ]])],
+ [ac_cv_c__Generic=yes],
+ [ac_cv_c__Generic=no])])
+if test $ac_cv_c__Generic = yes; then
+ AC_DEFINE([HAVE_C__GENERIC], 1,
+ [Define to 1 if C11-style _Generic works.])
+fi
+])# AC_C__GENERIC
+
--- /dev/null
+# ===========================================================================
+# http://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
+#
+# DESCRIPTION
+#
+# Check whether the given FLAG works with the current language's compiler
+# or gives an error. (Warnings, however, are ignored)
+#
+# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
+# success/failure.
+#
+# If EXTRA-FLAGS is defined, it is added to the current language's default
+# flags (e.g. CFLAGS) when the check is done. The check is thus made with
+# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to
+# force the compiler to issue an error when a bad flag is given.
+#
+# INPUT gives an alternative input source to AC_COMPILE_IFELSE.
+#
+# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
+# macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG.
+#
+# LICENSE
+#
+# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
+# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation, either version 3 of the License, or (at your
+# option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception, the respective Autoconf Macro's copyright owner
+# gives unlimited permission to copy, distribute and modify the configure
+# scripts that are the output of Autoconf when processing the Macro. You
+# need not follow the terms of the GNU General Public License when using
+# or distributing such scripts, even though portions of the text of the
+# Macro appear in them. The GNU General Public License (GPL) does govern
+# all other use of the material that constitutes the Autoconf Macro.
+#
+# This special exception to the GPL applies to versions of the Autoconf
+# Macro released by the Autoconf Archive. When you make and distribute a
+# modified version of the Autoconf Macro, you may extend this special
+# exception to the GPL to apply to your modified version as well.
+
+#serial 4
+
+AC_DEFUN([AX_CHECK_COMPILE_FLAG],
+[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
+AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
+AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
+ ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
+ _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
+ AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
+ [AS_VAR_SET(CACHEVAR,[yes])],
+ [AS_VAR_SET(CACHEVAR,[no])])
+ _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
+AS_VAR_IF(CACHEVAR,yes,
+ [m4_default([$2], :)],
+ [m4_default([$3], :)])
+AS_VAR_POPDEF([CACHEVAR])dnl
+])dnl AX_CHECK_COMPILE_FLAGS
projects / netdata.git / commitdiff