# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_c___attribute__.html
+# https://www.gnu.org/software/autoconf-archive/ax_c___attribute__.html
# ===========================================================================
#
# SYNOPSIS
# 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/>.
+# with this program. If not, see <https://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
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 8
+#serial 9
AC_DEFUN([AX_C___ATTRIBUTE__], [
AC_CACHE_CHECK([for __attribute__], [ax_cv___attribute__],
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_check_class.html
+# https://www.gnu.org/software/autoconf-archive/ax_check_class.html
# ===========================================================================
#
# SYNOPSIS
# 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/>.
+# with this program. If not, see <https://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
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 7
+#serial 12
AU_ALIAS([AC_CHECK_CLASS], [AX_CHECK_CLASS])
AC_DEFUN([AX_CHECK_CLASS],[
AC_REQUIRE([AX_PROG_JAVA])
ac_var_name=`echo $1 | sed 's/\./_/g'`
-dnl Normaly I'd use a AC_CACHE_CHECK here but since the variable name is
+dnl Normally I'd use a AC_CACHE_CHECK here but since the variable name is
dnl dynamic I need an extra level of extraction
AC_MSG_CHECKING([for $1 class])
AC_CACHE_VAL(ax_cv_class_$ac_var_name, [
-if test x$ac_cv_prog_uudecode_base64 = xyes; then
-dnl /**
-dnl * Test.java: used to test dynamicaly if a class exists.
-dnl */
-dnl public class Test
-dnl {
-dnl
-dnl public static void
-dnl main( String[] argv )
-dnl {
-dnl Class lib;
-dnl if (argv.length < 1)
-dnl {
-dnl System.err.println ("Missing argument");
-dnl System.exit (77);
-dnl }
-dnl try
-dnl {
-dnl lib = Class.forName (argv[0]);
-dnl }
-dnl catch (ClassNotFoundException e)
-dnl {
-dnl System.exit (1);
-dnl }
-dnl lib = null;
-dnl System.exit (0);
-dnl }
-dnl
-dnl }
-cat << \EOF > Test.uue
-begin-base64 644 Test.class
-yv66vgADAC0AKQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE
-bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51
-bWJlclRhYmxlDAAKAAsBAANlcnIBABVMamF2YS9pby9QcmludFN0cmVhbTsJ
-AA0ACQcADgEAEGphdmEvbGFuZy9TeXN0ZW0IABABABBNaXNzaW5nIGFyZ3Vt
-ZW50DAASABMBAAdwcmludGxuAQAVKExqYXZhL2xhbmcvU3RyaW5nOylWCgAV
-ABEHABYBABNqYXZhL2lvL1ByaW50U3RyZWFtDAAYABkBAARleGl0AQAEKEkp
-VgoADQAXDAAcAB0BAAdmb3JOYW1lAQAlKExqYXZhL2xhbmcvU3RyaW5nOylM
-amF2YS9sYW5nL0NsYXNzOwoAHwAbBwAgAQAPamF2YS9sYW5nL0NsYXNzBwAi
-AQAgamF2YS9sYW5nL0NsYXNzTm90Rm91bmRFeGNlcHRpb24BAAY8aW5pdD4B
-AAMoKVYMACMAJAoAAwAlAQAKU291cmNlRmlsZQEACVRlc3QuamF2YQAhAAEA
-AwAAAAAAAgAJAAUABgABAAcAAABtAAMAAwAAACkqvgSiABCyAAwSD7YAFBBN
-uAAaKgMyuAAeTKcACE0EuAAaAUwDuAAasQABABMAGgAdACEAAQAIAAAAKgAK
-AAAACgAAAAsABgANAA4ADgATABAAEwASAB4AFgAiABgAJAAZACgAGgABACMA
-JAABAAcAAAAhAAEAAQAAAAUqtwAmsQAAAAEACAAAAAoAAgAAAAQABAAEAAEA
-JwAAAAIAKA==
-====
-EOF
- if $UUDECODE Test.uue; then
- :
- else
- echo "configure: __oline__: uudecode had trouble decoding base 64 file 'Test.uue'" >&AS_MESSAGE_LOG_FD
- echo "configure: failed file was:" >&AS_MESSAGE_LOG_FD
- cat Test.uue >&AS_MESSAGE_LOG_FD
- ac_cv_prog_uudecode_base64=no
- fi
- rm -f Test.uue
- if AC_TRY_COMMAND($JAVA -classpath ".:$CLASSPATH" $JAVAFLAGS Test $1) >/dev/null 2>&1; then
- eval "ac_cv_class_$ac_var_name=yes"
- else
- eval "ac_cv_class_$ac_var_name=no"
- fi
- rm -f Test.class
-else
AX_TRY_COMPILE_JAVA([$1], , [eval "ac_cv_class_$ac_var_name=yes"],
[eval "ac_cv_class_$ac_var_name=no"])
-fi
eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`"
eval "HAVE_$ac_var_name=$`echo ac_cv_class_$ac_var_val`"
HAVE_LAST_CLASS=$ac_var_val
ifelse([$3], , :, [$3])
fi
])
-dnl for some reason the above statment didn't fall though here?
+dnl for some reason the above statement didn't fall though here?
dnl do scripts have variable scoping?
eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`"
AC_MSG_RESULT($ac_var_val)
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_check_classpath.html
+# https://www.gnu.org/software/autoconf-archive/ax_check_classpath.html
# ===========================================================================
#
# SYNOPSIS
# 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/>.
+# with this program. If not, see <https://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
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 5
+#serial 6
AU_ALIAS([AC_CHECK_CLASSPATH], [AX_CHECK_CLASSPATH])
AC_DEFUN([AX_CHECK_CLASSPATH],[
# 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 <https://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.
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved. This file is offered as-is, without any
+# warranty.
-#serial 5
+#serial 6
AC_DEFUN([AX_CHECK_LINK_FLAG],
[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_check_rqrd_class.html
+# https://www.gnu.org/software/autoconf-archive/ax_check_rqrd_class.html
# ===========================================================================
#
# SYNOPSIS
# 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/>.
+# with this program. If not, see <https://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
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 5
+#serial 6
AU_ALIAS([AC_CHECK_RQRD_CLASS], [AX_CHECK_RQRD_CLASS])
AC_DEFUN([AX_CHECK_RQRD_CLASS],[
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_compare_version.html
+# https://www.gnu.org/software/autoconf-archive/ax_compare_version.html
# ===========================================================================
#
# SYNOPSIS
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 11
+#serial 13
dnl #########################################################################
AC_DEFUN([AX_COMPARE_VERSION], [
],
[.+],[
AC_WARNING(
- [illegal OP numeric parameter: $2])
+ [invalid OP numeric parameter: $2])
],[])
# Pad zeros at end of numbers to make same length.
[ne],[
test "x$A" != "x$B" && ax_compare_version=true
],[
- AC_WARNING([illegal OP parameter: $2])
+ AC_WARNING([invalid OP parameter: $2])
])
])
--- /dev/null
+# ===========================================================================
+# https://www.gnu.org/software/autoconf-archive/ax_config_feature.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AX_CONFIG_FEATURE(FEATURE-NAME, FEATURE-DESCRIPTION, DEFINE, DEFINE-DESCRIPTION, [ACTION-IF-ENABLED [, ACTION-IF-NOT-ENABLED]])
+#
+# DESCRIPTION
+#
+# AX_CONFIG_FEATURE is a simple wrapper for AC_ARG_ENABLE, it enables the
+# feature FEATURE-NAME and AC_DEFINEs the passed DEFINE, depending on the
+# user choice. DESCRIPTION will be used for AC_DEFINEs. ACTION-IF-ENABLED
+# and ACTION-IF-NOT-ENABLED are the actions that will be run. A feature is
+# enabled by default, in order to change this behaviour use the
+# AX_CONFIG_FEATURE_DEFAULT_ENABLED and AX_CONFIG_FEATURE_DEFAULT_DISABLED
+# macros.
+#
+# A simple example:
+#
+# AX_CONFIG_FEATURE_DEFAULT_ENABLED
+# AX_CONFIG_FEATURE(feature_xxxxx, [turns on/off XXXXX support],
+# HAVE_XXXXX, [Define if you want XXXXX support])
+#
+# ...
+#
+# AX_CONFIG_FEATURE_DEFAULT_DISABLED
+# AX_CONFIG_FEATURE(feature_yyyyy, [turns on/off YYYYY support],
+# HAVE_YYYYY, [Define if you want YYYYY support],
+# [enable_yyyyy="yes"], [enable_yyyyy="no"])
+# AM_CONDITIONAL(YYYYY, [test "$enable_yyyyy" = "yes"])
+#
+# AX_CONFIG_FEATURE_DEFAULT_ENABLED
+# AX_CONFIG_FEATURE(...)
+#
+# ...
+#
+# If you have lot of features and you want a verbose dumping of each user
+# selection use AX_CONFIG_FEATURE_VERBOSE. Use AX_CONFIG_FEATURE_SILENT in
+# order to remove a previously AX_CONFIG_FEATURE_VERBOSE. By default
+# features are silent.
+#
+# Use AX_CONFIG_FEATURE_ENABLE or AX_CONFIG_FEATURE_DISABLE in order to
+# enable or disable a specific feature.
+#
+# Another simple example:
+#
+# AS_IF([some_test_here],[AX_CONFIG_FEATURE_ENABLE(feature_xxxxx)],[])
+#
+# AX_CONFIG_FEATURE(feature_xxxxx, [turns on/off XXXXX support],
+# HAVE_XXXXX, [Define if you want XXXXX support])
+# AX_CONFIG_FEATURE(feature_yyyyy, [turns on/off YYYYY support],
+# HAVE_YYYYY, [Define if you want YYYYY support],
+# [enable_yyyyy="yes"], [enable_yyyyy="no"])
+#
+# ...
+#
+# NOTE: AX_CONFIG_FEATURE_ENABLE() must be placed first of the relative
+# AX_CONFIG_FEATURE() macro ...
+#
+# LICENSE
+#
+# Copyright (c) 2008 Francesco Salvestrini <salvestrini@users.sourceforge.net>
+#
+# 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 2 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 <https://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 11
+
+AC_DEFUN([AX_CONFIG_FEATURE],[ dnl
+m4_pushdef([FEATURE], patsubst([$1], -, _))dnl
+
+AC_ARG_ENABLE([$1],AS_HELP_STRING([--enable-$1],[$2]),[
+case "${enableval}" in
+ yes)
+ ax_config_feature_[]FEATURE[]="yes"
+ ;;
+ no)
+ ax_config_feature_[]FEATURE[]="no"
+ ;;
+ *)
+ AC_MSG_ERROR([bad value ${enableval} for feature --$1])
+ ;;
+esac
+])
+
+AS_IF([test "$ax_config_feature_[]FEATURE[]" = yes],[ dnl
+ AC_DEFINE([$3])
+ $5
+ AS_IF([test "$ax_config_feature_verbose" = yes],[ dnl
+ AC_MSG_NOTICE([Feature $1 is enabled])
+ ])
+],[ dnl
+ $6
+ AS_IF([test "$ax_config_feature_verbose" = yes],[ dnl
+ AC_MSG_NOTICE([Feature $1 is disabled])
+ ])
+])
+
+AH_TEMPLATE([$3],[$4])
+
+m4_popdef([FEATURE])dnl
+])
+
+dnl Feature global
+AC_DEFUN([AX_CONFIG_FEATURE_VERBOSE],[ dnl
+ ax_config_feature_verbose=yes
+])
+
+dnl Feature global
+AC_DEFUN([AX_CONFIG_FEATURE_SILENT],[ dnl
+ ax_config_feature_verbose=no
+])
+
+dnl Feature specific
+AC_DEFUN([AX_CONFIG_FEATURE_DEFAULT_ENABLED], [
+ ax_config_feature_[]FEATURE[]_default=yes
+])
+
+dnl Feature specific
+AC_DEFUN([AX_CONFIG_FEATURE_DEFAULT_DISABLED], [
+ ax_config_feature_[]FEATURE[]_default=no
+])
+
+dnl Feature specific
+AC_DEFUN([AX_CONFIG_FEATURE_ENABLE],[ dnl
+ ax_config_feature_[]patsubst([$1], -, _)[]=yes
+])
+
+dnl Feature specific
+AC_DEFUN([AX_CONFIG_FEATURE_DISABLE],[ dnl
+ ax_config_feature_[]patsubst([$1], -, _)[]=no
+])
--- /dev/null
+# ===========================================================================
+# https://www.gnu.org/software/autoconf-archive/ax_have_epoll.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AX_HAVE_EPOLL([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# AX_HAVE_EPOLL_PWAIT([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+#
+# DESCRIPTION
+#
+# This macro determines whether the system supports the epoll I/O event
+# interface. A neat usage example would be:
+#
+# AX_HAVE_EPOLL(
+# [AX_CONFIG_FEATURE_ENABLE(epoll)],
+# [AX_CONFIG_FEATURE_DISABLE(epoll)])
+# AX_CONFIG_FEATURE(
+# [epoll], [This platform supports epoll(7)],
+# [HAVE_EPOLL], [This platform supports epoll(7).])
+#
+# The epoll interface was added to the Linux kernel in version 2.5.45, and
+# the macro verifies that a kernel newer than this is installed. This
+# check is somewhat unreliable if <linux/version.h> doesn't match the
+# running kernel, but it is necessary regardless, because glibc comes with
+# stubs for the epoll_create(), epoll_wait(), etc. that allow programs to
+# compile and link even if the kernel is too old; the problem would then
+# be detected only at runtime.
+#
+# Linux kernel version 2.6.19 adds the epoll_pwait() call in addition to
+# epoll_wait(). The availability of that function can be tested with the
+# second macro. Generally speaking, it is safe to assume that
+# AX_HAVE_EPOLL would succeed if AX_HAVE_EPOLL_PWAIT has, but not the
+# other way round.
+#
+# LICENSE
+#
+# Copyright (c) 2008 Peter Simons <simons@cryp.to>
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved. This file is offered as-is, without any
+# warranty.
+
+#serial 11
+
+AC_DEFUN([AX_HAVE_EPOLL], [dnl
+ ax_have_epoll_cppflags="${CPPFLAGS}"
+ AC_CHECK_HEADER([linux/version.h], [CPPFLAGS="${CPPFLAGS} -DHAVE_LINUX_VERSION_H"])
+ AC_MSG_CHECKING([for Linux epoll(7) interface])
+ AC_CACHE_VAL([ax_cv_have_epoll], [dnl
+ AC_LINK_IFELSE([dnl
+ AC_LANG_PROGRAM([dnl
+#include <sys/epoll.h>
+#ifdef HAVE_LINUX_VERSION_H
+# include <linux/version.h>
+# if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,45)
+# error linux kernel version is too old to have epoll
+# endif
+#endif
+], [dnl
+int fd, rc;
+struct epoll_event ev;
+fd = epoll_create(128);
+rc = epoll_wait(fd, &ev, 1, 0);])],
+ [ax_cv_have_epoll=yes],
+ [ax_cv_have_epoll=no])])
+ CPPFLAGS="${ax_have_epoll_cppflags}"
+ AS_IF([test "${ax_cv_have_epoll}" = "yes"],
+ [AC_MSG_RESULT([yes])
+$1],[AC_MSG_RESULT([no])
+$2])
+])dnl
+
+AC_DEFUN([AX_HAVE_EPOLL_PWAIT], [dnl
+ ax_have_epoll_cppflags="${CPPFLAGS}"
+ AC_CHECK_HEADER([linux/version.h],
+ [CPPFLAGS="${CPPFLAGS} -DHAVE_LINUX_VERSION_H"])
+ AC_MSG_CHECKING([for Linux epoll(7) interface with signals extension])
+ AC_CACHE_VAL([ax_cv_have_epoll_pwait], [dnl
+ AC_LINK_IFELSE([dnl
+ AC_LANG_PROGRAM([dnl
+#ifdef HAVE_LINUX_VERSION_H
+# include <linux/version.h>
+# if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+# error linux kernel version is too old to have epoll_pwait
+# endif
+#endif
+#include <sys/epoll.h>
+#include <signal.h>
+], [dnl
+int fd, rc;
+struct epoll_event ev;
+fd = epoll_create(128);
+rc = epoll_wait(fd, &ev, 1, 0);
+rc = epoll_pwait(fd, &ev, 1, 0, (sigset_t const *)(0));])],
+ [ax_cv_have_epoll_pwait=yes],
+ [ax_cv_have_epoll_pwait=no])])
+ CPPFLAGS="${ax_have_epoll_cppflags}"
+ AS_IF([test "${ax_cv_have_epoll_pwait}" = "yes"],
+ [AC_MSG_RESULT([yes])
+$1],[AC_MSG_RESULT([no])
+$2])
+])dnl
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_java_options.html
+# https://www.gnu.org/software/autoconf-archive/ax_java_options.html
# ===========================================================================
#
# SYNOPSIS
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 6
+#serial 7
AU_ALIAS([AC_JAVA_OPTIONS], [AX_JAVA_OPTIONS])
AC_DEFUN([AX_JAVA_OPTIONS],[
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_jni_include_dir.html
+# https://www.gnu.org/software/autoconf-archive/ax_jni_include_dir.html
# ===========================================================================
#
# SYNOPSIS
#
# - at the configure level, setenv JAVAC
#
+# This macro depends on AC_CANONICAL_HOST which requires that config.guess
+# and config.sub be distributed along with the source code. See autoconf
+# manual for details.
+#
# Note: This macro can work with the autoconf M4 macros for Java programs.
# This particular macro is not part of the original set of macros.
#
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 10
+#serial 15
AU_ALIAS([AC_JNI_INCLUDE_DIR], [AX_JNI_INCLUDE_DIR])
AC_DEFUN([AX_JNI_INCLUDE_DIR],[
+AC_REQUIRE([AC_CANONICAL_HOST])
+
JNI_INCLUDE_DIRS=""
if test "x$JAVA_HOME" != x; then
fi
case "$host_os" in
- darwin*) _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'`
- _JINC="$_JTOPDIR/Headers";;
- *) _JINC="$_JTOPDIR/include";;
+ darwin*) # Apple Java headers are inside the Xcode bundle.
+ macos_version=$(sw_vers -productVersion | sed -n -e 's/^@<:@0-9@:>@*.\(@<:@0-9@:>@*\).@<:@0-9@:>@*/\1/p')
+ if @<:@ "$macos_version" -gt "7" @:>@; then
+ _JTOPDIR="$(xcrun --show-sdk-path)/System/Library/Frameworks/JavaVM.framework"
+ _JINC="$_JTOPDIR/Headers"
+ else
+ _JTOPDIR="/System/Library/Frameworks/JavaVM.framework"
+ _JINC="$_JTOPDIR/Headers"
+ fi
+ ;;
+ *) _JINC="$_JTOPDIR/include";;
esac
_AS_ECHO_LOG([_JTOPDIR=$_JTOPDIR])
_AS_ECHO_LOG([_JINC=$_JINC])
# On Mac OS X 10.6.4, jni.h is a symlink:
# /System/Library/Frameworks/JavaVM.framework/Versions/Current/Headers/jni.h
# -> ../../CurrentJDK/Headers/jni.h.
-AC_CHECK_FILE([$_JINC/jni.h],
- [JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JINC"],
- [_JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'`
- AC_CHECK_FILE([$_JTOPDIR/include/jni.h],
- [JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include"],
- AC_MSG_ERROR([cannot find JDK header files]))
- ])
+AC_CACHE_CHECK(jni headers, ac_cv_jni_header_path,
+[
+ if test -f "$_JINC/jni.h"; then
+ ac_cv_jni_header_path="$_JINC"
+ JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $ac_cv_jni_header_path"
+ else
+ _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'`
+ if test -f "$_JTOPDIR/include/jni.h"; then
+ ac_cv_jni_header_path="$_JTOPDIR/include"
+ JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $ac_cv_jni_header_path"
+ else
+ ac_cv_jni_header_path=none
+ fi
+ fi
+])
# get the likely subdirectories for system specific java includes
case "$host_os" in
bsdi*) _JNI_INC_SUBDIRS="bsdos";;
freebsd*) _JNI_INC_SUBDIRS="freebsd";;
+darwin*) _JNI_INC_SUBDIRS="darwin";;
linux*) _JNI_INC_SUBDIRS="linux genunix";;
osf*) _JNI_INC_SUBDIRS="alpha";;
solaris*) _JNI_INC_SUBDIRS="solaris";;
*) _JNI_INC_SUBDIRS="genunix";;
esac
-# add any subdirectories that are present
-for JINCSUBDIR in $_JNI_INC_SUBDIRS
-do
+if test "x$ac_cv_jni_header_path" != "xnone"; then
+ # add any subdirectories that are present
+ for JINCSUBDIR in $_JNI_INC_SUBDIRS
+ do
if test -d "$_JTOPDIR/include/$JINCSUBDIR"; then
JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include/$JINCSUBDIR"
fi
-done
+ done
+fi
])
# _ACJNI_FOLLOW_SYMLINKS <path>
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_lib_socket_nsl.html
+# https://www.gnu.org/software/autoconf-archive/ax_lib_socket_nsl.html
# ===========================================================================
#
# SYNOPSIS
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 6
+#serial 7
AU_ALIAS([LIB_SOCKET_NSL], [AX_LIB_SOCKET_NSL])
AC_DEFUN([AX_LIB_SOCKET_NSL],
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_pkg_swig.html
+# https://www.gnu.org/software/autoconf-archive/ax_pkg_swig.html
# ===========================================================================
#
# SYNOPSIS
# LICENSE
#
# Copyright (c) 2008 Sebastian Huber <sebastian-huber@web.de>
-# Copyright (c) 2008 Alan W. Irwin <irwin@beluga.phys.uvic.ca>
+# Copyright (c) 2008 Alan W. Irwin
# Copyright (c) 2008 Rafael Laboissiere <rafael@laboissiere.net>
-# Copyright (c) 2008 Andrew Collier <colliera@ukzn.ac.za>
+# Copyright (c) 2008 Andrew Collier
# Copyright (c) 2011 Murray Cumming <murrayc@openismus.com>
#
# This program is free software; you can redistribute it and/or modify it
# 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/>.
+# with this program. If not, see <https://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
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 8
+#serial 13
AC_DEFUN([AX_PKG_SWIG],[
- # Ubuntu has swig 2.0 as /usr/bin/swig2.0
- AC_PATH_PROGS([SWIG],[swig swig2.0])
+ # Find path to the "swig" executable.
+ AC_PATH_PROGS([SWIG],[swig swig3.0 swig2.0])
if test -z "$SWIG" ; then
m4_ifval([$3],[$3],[:])
elif test -n "$1" ; then
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_prog_bison_version.html
+# https://www.gnu.org/software/autoconf-archive/ax_prog_bison_version.html
# ===========================================================================
#
# SYNOPSIS
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 2
+#serial 3
AC_DEFUN([AX_PROG_BISON_VERSION],[
AC_REQUIRE([AC_PROG_SED])
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_prog_flex_version.html
+# https://www.gnu.org/software/autoconf-archive/ax_prog_flex_version.html
# ===========================================================================
#
# SYNOPSIS
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 1
+#serial 2
AC_DEFUN([AX_PROG_FLEX_VERSION],[
AC_REQUIRE([AC_PROG_SED])
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_prog_jar.html
+# https://www.gnu.org/software/autoconf-archive/ax_prog_jar.html
# ===========================================================================
#
# SYNOPSIS
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 7
+#serial 8
AU_ALIAS([AC_PROG_JAR], [AX_PROG_JAR])
AC_DEFUN([AX_PROG_JAR],[
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_prog_java.html
+# https://www.gnu.org/software/autoconf-archive/ax_prog_java.html
# ===========================================================================
#
# SYNOPSIS
# 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/>.
+# with this program. If not, see <https://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
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 9
+#serial 10
AU_ALIAS([AC_PROG_JAVA], [AX_PROG_JAVA])
AC_DEFUN([AX_PROG_JAVA],[
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_prog_java_works.html
+# https://www.gnu.org/software/autoconf-archive/ax_prog_java_works.html
# ===========================================================================
#
# SYNOPSIS
# 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/>.
+# with this program. If not, see <https://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
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 9
+#serial 11
AU_ALIAS([AC_PROG_JAVA_WORKS], [AX_PROG_JAVA_WORKS])
AC_DEFUN([AX_PROG_JAVA_WORKS], [
-AC_PATH_PROG(UUDECODE, uudecode, [no])
-if test x$UUDECODE != xno; then
-AC_CACHE_CHECK([if uudecode can decode base 64 file], ac_cv_prog_uudecode_base64, [
-dnl /**
-dnl * Test.java: used to test if java compiler works.
-dnl */
-dnl public class Test
-dnl {
-dnl
-dnl public static void
-dnl main( String[] argv )
-dnl {
-dnl System.exit (0);
-dnl }
-dnl
-dnl }
-cat << \EOF > Test.uue
-begin-base64 644 Test.class
-yv66vgADAC0AFQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE
-bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51
-bWJlclRhYmxlDAAKAAsBAARleGl0AQAEKEkpVgoADQAJBwAOAQAQamF2YS9s
-YW5nL1N5c3RlbQEABjxpbml0PgEAAygpVgwADwAQCgADABEBAApTb3VyY2VG
-aWxlAQAJVGVzdC5qYXZhACEAAQADAAAAAAACAAkABQAGAAEABwAAACEAAQAB
-AAAABQO4AAyxAAAAAQAIAAAACgACAAAACgAEAAsAAQAPABAAAQAHAAAAIQAB
-AAEAAAAFKrcAErEAAAABAAgAAAAKAAIAAAAEAAQABAABABMAAAACABQ=
-====
-EOF
-if $UUDECODE Test.uue; then
- ac_cv_prog_uudecode_base64=yes
-else
- echo "configure: __oline__: uudecode had trouble decoding base 64 file 'Test.uue'" >&AS_MESSAGE_LOG_FD
- echo "configure: failed file was:" >&AS_MESSAGE_LOG_FD
- cat Test.uue >&AS_MESSAGE_LOG_FD
- ac_cv_prog_uudecode_base64=no
-fi
-rm -f Test.uue])
-fi
-if test x$ac_cv_prog_uudecode_base64 != xyes; then
- rm -f Test.class
- AC_MSG_WARN([I have to compile Test.class from scratch])
if test x$ac_cv_prog_javac_works = xno; then
AC_MSG_ERROR([Cannot compile java source. $JAVAC does not work properly])
fi
if test x$ac_cv_prog_javac_works = x; then
AX_PROG_JAVAC
fi
-fi
AC_CACHE_CHECK(if $JAVA works, ac_cv_prog_java_works, [
JAVA_TEST=Test.java
CLASS_TEST=Test.class
} }
EOF
changequote([, ])dnl
-if test x$ac_cv_prog_uudecode_base64 != xyes; then
if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) && test -s $CLASS_TEST; then
:
else
cat $JAVA_TEST >&AS_MESSAGE_LOG_FD
AC_MSG_ERROR(The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?))
fi
-fi
if AC_TRY_COMMAND($JAVA -classpath . $JAVAFLAGS $TEST) >/dev/null 2>&1; then
ac_cv_prog_java_works=yes
else
cat $JAVA_TEST >&AS_MESSAGE_LOG_FD
AC_MSG_ERROR(The Java VM $JAVA failed (see config.log, check the CLASSPATH?))
fi
-rm -fr $JAVA_TEST $CLASS_TEST Test.uue
+rm -f $JAVA_TEST $CLASS_TEST
])
AC_PROVIDE([$0])dnl
]
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_prog_javac.html
+# https://www.gnu.org/software/autoconf-archive/ax_prog_javac.html
# ===========================================================================
#
# SYNOPSIS
# 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/>.
+# with this program. If not, see <https://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
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 7
+#serial 8
AU_ALIAS([AC_PROG_JAVAC], [AX_PROG_JAVAC])
AC_DEFUN([AX_PROG_JAVAC],[
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_prog_javac_works.html
+# https://www.gnu.org/software/autoconf-archive/ax_prog_javac_works.html
# ===========================================================================
#
# SYNOPSIS
# 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/>.
+# with this program. If not, see <https://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
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 6
+#serial 7
AU_ALIAS([AC_PROG_JAVAC_WORKS], [AX_PROG_JAVAC_WORKS])
AC_DEFUN([AX_PROG_JAVAC_WORKS],[
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_prog_javah.html
+# https://www.gnu.org/software/autoconf-archive/ax_prog_javah.html
# ===========================================================================
#
# SYNOPSIS
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 7
+#serial 11
AU_ALIAS([AC_PROG_JAVAH], [AX_PROG_JAVAH])
AC_DEFUN([AX_PROG_JAVAH],[
AC_PATH_PROG(JAVAH,javah)
AS_IF([test -n "$ac_cv_path_JAVAH"],
[
- AC_TRY_CPP([#include <jni.h>],,[
+ AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <jni.h>]])],[],[
ac_save_CPPFLAGS="$CPPFLAGS"
- ax_prog_javah_bin_dir=`AS_DIRNAME([$ac_cv_path_JAVAH])`
- ac_dir="`AS_DIRNAME([$ax_prog_javah_bin])`/include"
+ _ACJAVAH_FOLLOW_SYMLINKS("$ac_cv_path_JAVAH")
+ ax_prog_javah_bin_dir=`AS_DIRNAME([$_ACJAVAH_FOLLOWED])`
+ ac_dir="`AS_DIRNAME([$ax_prog_javah_bin_dir])`/include"
AS_CASE([$build_os],
- [cygwin*],
+ [cygwin*|mingw*],
[ac_machdep=win32],
[ac_machdep=`AS_ECHO($build_os) | sed 's,[[-0-9]].*,,'`])
CPPFLAGS="$ac_save_CPPFLAGS -I$ac_dir -I$ac_dir/$ac_machdep"
- AC_TRY_CPP([#include <jni.h>],
- ac_save_CPPFLAGS="$CPPFLAGS",
- AC_MSG_WARN([unable to include <jni.h>]))
+ AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <jni.h>]])],
+ [ac_save_CPPFLAGS="$CPPFLAGS"],
+ [AC_MSG_WARN([unable to include <jni.h>])])
CPPFLAGS="$ac_save_CPPFLAGS"])
])
])
+
+AC_DEFUN([_ACJAVAH_FOLLOW_SYMLINKS],[
+# find the include directory relative to the javac executable
+_cur="$1"
+while ls -ld "$_cur" 2>/dev/null | grep " -> " >/dev/null; do
+ AC_MSG_CHECKING([symlink for $_cur])
+ _slink=`ls -ld "$_cur" | sed 's/.* -> //'`
+ case "$_slink" in
+ /*) _cur="$_slink";;
+ # 'X' avoids triggering unwanted echo options.
+ *) _cur=`echo "X$_cur" | sed -e 's/^X//' -e 's:[[^/]]*$::'`"$_slink";;
+ esac
+ AC_MSG_RESULT([$_cur])
+done
+_ACJAVAH_FOLLOWED="$_cur"
+])
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_pthread.html
+# https://www.gnu.org/software/autoconf-archive/ax_pthread.html
# ===========================================================================
#
# SYNOPSIS
# is necessary on AIX to use the special cc_r compiler alias.)
#
# NOTE: You are assumed to not only compile your program with these flags,
-# but also link it with them as well. e.g. you should link with
+# but also to link with them as well. For example, you might link with
# $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
#
-# If you are only building threads programs, you may wish to use these
+# If you are only building threaded programs, you may wish to use these
# variables in your default LIBS, CFLAGS, and CC:
#
# LIBS="$PTHREAD_LIBS $LIBS"
# CC="$PTHREAD_CC"
#
# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
-# has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name
-# (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
+# has a nonstandard name, this macro defines PTHREAD_CREATE_JOINABLE to
+# that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
#
# Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the
# PTHREAD_PRIO_INHERIT symbol is defined when compiling with
# 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/>.
+# with this program. If not, see <https://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
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 21
+#serial 25
AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
AC_DEFUN([AX_PTHREAD], [
AC_REQUIRE([AC_CANONICAL_HOST])
+AC_REQUIRE([AC_PROG_CC])
+AC_REQUIRE([AC_PROG_SED])
AC_LANG_PUSH([C])
ax_pthread_ok=no
# We used to check for pthread.h first, but this fails if pthread.h
-# requires special compiler flags (e.g. on True64 or Sequent).
+# requires special compiler flags (e.g. on Tru64 or Sequent).
# It gets checked for in the link test anyway.
# First of all, check if the user has set any of the PTHREAD_LIBS,
# etcetera environment variables, and if threads linking works using
# them:
-if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
- save_CFLAGS="$CFLAGS"
+if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then
+ ax_pthread_save_CC="$CC"
+ ax_pthread_save_CFLAGS="$CFLAGS"
+ ax_pthread_save_LIBS="$LIBS"
+ AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"])
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
- save_LIBS="$LIBS"
LIBS="$PTHREAD_LIBS $LIBS"
- AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
- AC_TRY_LINK_FUNC([pthread_join], [ax_pthread_ok=yes])
+ AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS])
+ AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes])
AC_MSG_RESULT([$ax_pthread_ok])
- if test x"$ax_pthread_ok" = xno; then
+ if test "x$ax_pthread_ok" = "xno"; then
PTHREAD_LIBS=""
PTHREAD_CFLAGS=""
fi
- LIBS="$save_LIBS"
- CFLAGS="$save_CFLAGS"
+ CC="$ax_pthread_save_CC"
+ CFLAGS="$ax_pthread_save_CFLAGS"
+ LIBS="$ax_pthread_save_LIBS"
fi
# We must check for the threads library under a number of different
# which indicates that we try without any flags at all, and "pthread-config"
# which is a program returning the flags for the Pth emulation library.
-ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
+ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
# The ordering *is* (sometimes) important. Some notes on the
# individual items follow:
# none: in case threads are in libc; should be tried before -Kthread and
# other compiler flags to prevent continual compiler warnings
# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
-# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
-# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
-# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
-# -pthreads: Solaris/gcc
-# -mthreads: Mingw32/gcc, Lynx/gcc
+# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64
+# (Note: HP C rejects this with "bad form for `-t' option")
+# -pthreads: Solaris/gcc (Note: HP C also rejects)
# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
-# doesn't hurt to check since this sometimes defines pthreads too;
-# also defines -D_REENTRANT)
-# ... -mt is also the pthreads flag for HP/aCC
+# doesn't hurt to check since this sometimes defines pthreads and
+# -D_REENTRANT too), HP C (must be checked before -lpthread, which
+# is present but should not be used directly; and before -mthreads,
+# because the compiler interprets this as "-mt" + "-hreads")
+# -mthreads: Mingw32/gcc, Lynx/gcc
# pthread: Linux, etcetera
# --thread-safe: KAI C++
# pthread-config: use pthread-config program (for GNU Pth library)
-case ${host_os} in
+case $host_os in
+
+ freebsd*)
+
+ # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
+ # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
+
+ ax_pthread_flags="-kthread lthread $ax_pthread_flags"
+ ;;
+
+ hpux*)
+
+ # From the cc(1) man page: "[-mt] Sets various -D flags to enable
+ # multi-threading and also sets -lpthread."
+
+ ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags"
+ ;;
+
+ openedition*)
+
+ # IBM z/OS requires a feature-test macro to be defined in order to
+ # enable POSIX threads at all, so give the user a hint if this is
+ # not set. (We don't define these ourselves, as they can affect
+ # other portions of the system API in unpredictable ways.)
+
+ AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING],
+ [
+# if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS)
+ AX_PTHREAD_ZOS_MISSING
+# endif
+ ],
+ [AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])])
+ ;;
+
solaris*)
# On Solaris (at least, for some versions), libc contains stubbed
# (non-functional) versions of the pthreads routines, so link-based
- # tests will erroneously succeed. (We need to link with -pthreads/-mt/
- # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather
- # a function called by this macro, so we could check for that, but
- # who knows whether they'll stub that too in a future libc.) So,
- # we'll just look for -pthreads and -lpthread first:
+ # tests will erroneously succeed. (N.B.: The stubs are missing
+ # pthread_cleanup_push, or rather a function called by this macro,
+ # so we could check for that, but who knows whether they'll stub
+ # that too in a future libc.) So we'll check first for the
+ # standard Solaris way of linking pthreads (-mt -lpthread).
+
+ ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags"
+ ;;
+esac
+
+# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)
- ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
+AS_IF([test "x$GCC" = "xyes"],
+ [ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"])
+
+# The presence of a feature test macro requesting re-entrant function
+# definitions is, on some systems, a strong hint that pthreads support is
+# correctly enabled
+
+case $host_os in
+ darwin* | hpux* | linux* | osf* | solaris*)
+ ax_pthread_check_macro="_REENTRANT"
;;
- darwin*)
- ax_pthread_flags="-pthread $ax_pthread_flags"
+ aix*)
+ ax_pthread_check_macro="_THREAD_SAFE"
+ ;;
+
+ *)
+ ax_pthread_check_macro="--"
;;
esac
+AS_IF([test "x$ax_pthread_check_macro" = "x--"],
+ [ax_pthread_check_cond=0],
+ [ax_pthread_check_cond="!defined($ax_pthread_check_macro)"])
+
+# Are we compiling with Clang?
+
+AC_CACHE_CHECK([whether $CC is Clang],
+ [ax_cv_PTHREAD_CLANG],
+ [ax_cv_PTHREAD_CLANG=no
+ # Note that Autoconf sets GCC=yes for Clang as well as GCC
+ if test "x$GCC" = "xyes"; then
+ AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
+ [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
+# if defined(__clang__) && defined(__llvm__)
+ AX_PTHREAD_CC_IS_CLANG
+# endif
+ ],
+ [ax_cv_PTHREAD_CLANG=yes])
+ fi
+ ])
+ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
+
+ax_pthread_clang_warning=no
+
+# Clang needs special handling, because older versions handle the -pthread
+# option in a rather... idiosyncratic way
+
+if test "x$ax_pthread_clang" = "xyes"; then
+
+ # Clang takes -pthread; it has never supported any other flag
+
+ # (Note 1: This will need to be revisited if a system that Clang
+ # supports has POSIX threads in a separate library. This tends not
+ # to be the way of modern systems, but it's conceivable.)
+
+ # (Note 2: On some systems, notably Darwin, -pthread is not needed
+ # to get POSIX threads support; the API is always present and
+ # active. We could reasonably leave PTHREAD_CFLAGS empty. But
+ # -pthread does define _REENTRANT, and while the Darwin headers
+ # ignore this macro, third-party headers might not.)
+
+ PTHREAD_CFLAGS="-pthread"
+ PTHREAD_LIBS=
+
+ ax_pthread_ok=yes
+
+ # However, older versions of Clang make a point of warning the user
+ # that, in an invocation where only linking and no compilation is
+ # taking place, the -pthread option has no effect ("argument unused
+ # during compilation"). They expect -pthread to be passed in only
+ # when source code is being compiled.
+ #
+ # Problem is, this is at odds with the way Automake and most other
+ # C build frameworks function, which is that the same flags used in
+ # compilation (CFLAGS) are also used in linking. Many systems
+ # supported by AX_PTHREAD require exactly this for POSIX threads
+ # support, and in fact it is often not straightforward to specify a
+ # flag that is used only in the compilation phase and not in
+ # linking. Such a scenario is extremely rare in practice.
+ #
+ # Even though use of the -pthread flag in linking would only print
+ # a warning, this can be a nuisance for well-run software projects
+ # that build with -Werror. So if the active version of Clang has
+ # this misfeature, we search for an option to squash it.
+
+ AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread],
+ [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG],
+ [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
+ # Create an alternate version of $ac_link that compiles and
+ # links in two steps (.c -> .o, .o -> exe) instead of one
+ # (.c -> exe), because the warning occurs only in the second
+ # step
+ ax_pthread_save_ac_link="$ac_link"
+ ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
+ ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"`
+ ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
+ ax_pthread_save_CFLAGS="$CFLAGS"
+ for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
+ AS_IF([test "x$ax_pthread_try" = "xunknown"], [break])
+ CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
+ ac_link="$ax_pthread_save_ac_link"
+ AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
+ [ac_link="$ax_pthread_2step_ac_link"
+ AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
+ [break])
+ ])
+ done
+ ac_link="$ax_pthread_save_ac_link"
+ CFLAGS="$ax_pthread_save_CFLAGS"
+ AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no])
+ ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
+ ])
-# Clang doesn't consider unrecognized options an error unless we specify
-# -Werror. We throw in some extra Clang-specific options to ensure that
-# this doesn't happen for GCC, which also accepts -Werror.
+ case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
+ no | unknown) ;;
+ *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
+ esac
-AC_MSG_CHECKING([if compiler needs -Werror to reject unknown flags])
-save_CFLAGS="$CFLAGS"
-ax_pthread_extra_flags="-Werror"
-CFLAGS="$CFLAGS $ax_pthread_extra_flags -Wunknown-warning-option -Wsizeof-array-argument"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int foo(void);],[foo()])],
- [AC_MSG_RESULT([yes])],
- [ax_pthread_extra_flags=
- AC_MSG_RESULT([no])])
-CFLAGS="$save_CFLAGS"
+fi # $ax_pthread_clang = yes
-if test x"$ax_pthread_ok" = xno; then
-for flag in $ax_pthread_flags; do
+if test "x$ax_pthread_ok" = "xno"; then
+for ax_pthread_try_flag in $ax_pthread_flags; do
- case $flag in
+ case $ax_pthread_try_flag in
none)
AC_MSG_CHECKING([whether pthreads work without any flags])
;;
+ -mt,pthread)
+ AC_MSG_CHECKING([whether pthreads work with -mt -lpthread])
+ PTHREAD_CFLAGS="-mt"
+ PTHREAD_LIBS="-lpthread"
+ ;;
+
-*)
- AC_MSG_CHECKING([whether pthreads work with $flag])
- PTHREAD_CFLAGS="$flag"
+ AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag])
+ PTHREAD_CFLAGS="$ax_pthread_try_flag"
;;
pthread-config)
AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
- if test x"$ax_pthread_config" = xno; then continue; fi
+ AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
PTHREAD_CFLAGS="`pthread-config --cflags`"
PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
;;
*)
- AC_MSG_CHECKING([for the pthreads library -l$flag])
- PTHREAD_LIBS="-l$flag"
+ AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag])
+ PTHREAD_LIBS="-l$ax_pthread_try_flag"
;;
esac
- save_LIBS="$LIBS"
- save_CFLAGS="$CFLAGS"
+ ax_pthread_save_CFLAGS="$CFLAGS"
+ ax_pthread_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
- CFLAGS="$CFLAGS $PTHREAD_CFLAGS $ax_pthread_extra_flags"
# Check for various functions. We must include pthread.h,
# since some functions may be macros. (On the Sequent, we
# pthread_cleanup_push because it is one of the few pthread
# functions on Solaris that doesn't have a non-functional libc stub.
# We try pthread_create on general principles.
+
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
+# if $ax_pthread_check_cond
+# error "$ax_pthread_check_macro must be defined"
+# endif
static void routine(void *a) { a = 0; }
static void *start_routine(void *a) { return a; }],
[pthread_t th; pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_cleanup_push(routine, 0);
pthread_cleanup_pop(0) /* ; */])],
- [ax_pthread_ok=yes],
- [])
+ [ax_pthread_ok=yes],
+ [])
- LIBS="$save_LIBS"
- CFLAGS="$save_CFLAGS"
+ CFLAGS="$ax_pthread_save_CFLAGS"
+ LIBS="$ax_pthread_save_LIBS"
AC_MSG_RESULT([$ax_pthread_ok])
- if test "x$ax_pthread_ok" = xyes; then
- break;
- fi
+ AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])
PTHREAD_LIBS=""
PTHREAD_CFLAGS=""
fi
# Various other checks:
-if test "x$ax_pthread_ok" = xyes; then
- save_LIBS="$LIBS"
- LIBS="$PTHREAD_LIBS $LIBS"
- save_CFLAGS="$CFLAGS"
+if test "x$ax_pthread_ok" = "xyes"; then
+ ax_pthread_save_CFLAGS="$CFLAGS"
+ ax_pthread_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+ LIBS="$PTHREAD_LIBS $LIBS"
# Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
- AC_MSG_CHECKING([for joinable pthread attribute])
- attr_name=unknown
- for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
- AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
- [int attr = $attr; return attr /* ; */])],
- [attr_name=$attr; break],
- [])
- done
- AC_MSG_RESULT([$attr_name])
- if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
- AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE], [$attr_name],
- [Define to necessary symbol if this constant
- uses a non-standard name on your system.])
- fi
-
- AC_MSG_CHECKING([if more special flags are required for pthreads])
- flag=no
- case ${host_os} in
- aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";;
- osf* | hpux*) flag="-D_REENTRANT";;
- solaris*)
- if test "$GCC" = "yes"; then
- flag="-D_REENTRANT"
- else
- # TODO: What about Clang on Solaris?
- flag="-mt -D_REENTRANT"
- fi
- ;;
- esac
- AC_MSG_RESULT([$flag])
- if test "x$flag" != xno; then
- PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
- fi
+ AC_CACHE_CHECK([for joinable pthread attribute],
+ [ax_cv_PTHREAD_JOINABLE_ATTR],
+ [ax_cv_PTHREAD_JOINABLE_ATTR=unknown
+ for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
+ [int attr = $ax_pthread_attr; return attr /* ; */])],
+ [ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break],
+ [])
+ done
+ ])
+ AS_IF([test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \
+ test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \
+ test "x$ax_pthread_joinable_attr_defined" != "xyes"],
+ [AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE],
+ [$ax_cv_PTHREAD_JOINABLE_ATTR],
+ [Define to necessary symbol if this constant
+ uses a non-standard name on your system.])
+ ax_pthread_joinable_attr_defined=yes
+ ])
+
+ AC_CACHE_CHECK([whether more special flags are required for pthreads],
+ [ax_cv_PTHREAD_SPECIAL_FLAGS],
+ [ax_cv_PTHREAD_SPECIAL_FLAGS=no
+ case $host_os in
+ solaris*)
+ ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
+ ;;
+ esac
+ ])
+ AS_IF([test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \
+ test "x$ax_pthread_special_flags_added" != "xyes"],
+ [PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS"
+ ax_pthread_special_flags_added=yes])
AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
- [ax_cv_PTHREAD_PRIO_INHERIT], [
- AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
- [[int i = PTHREAD_PRIO_INHERIT;]])],
- [ax_cv_PTHREAD_PRIO_INHERIT=yes],
- [ax_cv_PTHREAD_PRIO_INHERIT=no])
+ [ax_cv_PTHREAD_PRIO_INHERIT],
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
+ [[int i = PTHREAD_PRIO_INHERIT;
+ return i;]])],
+ [ax_cv_PTHREAD_PRIO_INHERIT=yes],
+ [ax_cv_PTHREAD_PRIO_INHERIT=no])
])
- AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"],
- [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])])
+ AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \
+ test "x$ax_pthread_prio_inherit_defined" != "xyes"],
+ [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])
+ ax_pthread_prio_inherit_defined=yes
+ ])
- LIBS="$save_LIBS"
- CFLAGS="$save_CFLAGS"
+ CFLAGS="$ax_pthread_save_CFLAGS"
+ LIBS="$ax_pthread_save_LIBS"
# More AIX lossage: compile with *_r variant
- if test "x$GCC" != xyes; then
+ if test "x$GCC" != "xyes"; then
case $host_os in
aix*)
AS_CASE(["x/$CC"],
- [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
- [#handle absolute path differently from PATH based program lookup
- AS_CASE(["x$CC"],
- [x/*],
- [AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])],
- [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])])
+ [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
+ [#handle absolute path differently from PATH based program lookup
+ AS_CASE(["x$CC"],
+ [x/*],
+ [AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])],
+ [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])])
;;
esac
fi
AC_SUBST([PTHREAD_CC])
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
-if test x"$ax_pthread_ok" = xyes; then
+if test "x$ax_pthread_ok" = "xyes"; then
ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
:
else
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_try_compile_java.html
+# https://www.gnu.org/software/autoconf-archive/ax_try_compile_java.html
# ===========================================================================
#
# SYNOPSIS
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 8
+#serial 10
AU_ALIAS([AC_TRY_COMPILE_JAVA], [AX_TRY_COMPILE_JAVA])
AC_DEFUN([AX_TRY_COMPILE_JAVA],[
else
echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
cat Test.java >&AS_MESSAGE_LOG_FD
-ifelse([$4], , , [ rm -fr Test.java Test.class
+ifelse([$4], , , [ rm -f Test.java Test.class
$4
])dnl
fi
-rm -fr Test.java Test.class])
+rm -f Test.java Test.class])
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_try_run_java.html
+# https://www.gnu.org/software/autoconf-archive/ax_try_run_java.html
# ===========================================================================
#
# SYNOPSIS
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 2
+#serial 3
AU_ALIAS([AC_TRY_RUN_JAVA], [AX_TRY_RUN_JAVA])
AC_DEFUN([AX_TRY_RUN_JAVA],[
+++ /dev/null
-# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_config_feature.html
-# ===========================================================================
-#
-# SYNOPSIS
-#
-# AX_CONFIG_FEATURE(FEATURE-NAME, FEATURE-DESCRIPTION, DEFINE, DEFINE-DESCRIPTION, [ACTION-IF-ENABLED [, ACTION-IF-NOT-ENABLED]])
-#
-# DESCRIPTION
-#
-# AX_CONFIG_FEATURE is a simple wrapper for AC_ARG_ENABLE, it enables the
-# feature FEATURE-NAME and AC_DEFINEs the passed DEFINE, depending on the
-# user choice. DESCRIPTION will be used for AC_DEFINEs. ACTION-IF-ENABLED
-# and ACTION-IF-NOT-ENABLED are the actions that will be run. A feature is
-# enabled by default, in order to change this behaviour use the
-# AX_CONFIG_FEATURE_DEFAULT_ENABLED and AX_CONFIG_FEATURE_DEFAULT_DISABLED
-# macros.
-#
-# A simple example:
-#
-# AX_CONFIG_FEATURE_DEFAULT_ENABLED
-# AX_CONFIG_FEATURE(feature_xxxxx, [turns on/off XXXXX support],
-# HAVE_XXXXX, [Define if you want XXXXX support])
-#
-# ...
-#
-# AX_CONFIG_FEATURE_DEFAULT_DISABLED
-# AX_CONFIG_FEATURE(feature_yyyyy, [turns on/off YYYYY support],
-# HAVE_YYYYY, [Define if you want YYYYY support],
-# [enable_yyyyy="yes"], [enable_yyyyy="no"])
-# AM_CONDITIONAL(YYYYY, [test "$enable_yyyyy" = "yes"])
-#
-# AX_CONFIG_FEATURE_DEFAULT_ENABLED
-# AX_CONFIG_FEATURE(...)
-#
-# ...
-#
-# If you have lot of features and you want a verbose dumping of each user
-# selection use AX_CONFIG_FEATURE_VERBOSE. Use AX_CONFIG_FEATURE_SILENT in
-# order to remove a previously AX_CONFIG_FEATURE_VERBOSE. By default
-# features are silent.
-#
-# Use AX_CONFIG_FEATURE_ENABLE or AX_CONFIG_FEATURE_DISABLE in order to
-# enable or disable a specific feature.
-#
-# Another simple example:
-#
-# AS_IF([some_test_here],[AX_CONFIG_FEATURE_ENABLE(feature_xxxxx)],[])
-#
-# AX_CONFIG_FEATURE(feature_xxxxx, [turns on/off XXXXX support],
-# HAVE_XXXXX, [Define if you want XXXXX support])
-# AX_CONFIG_FEATURE(feature_yyyyy, [turns on/off YYYYY support],
-# HAVE_YYYYY, [Define if you want YYYYY support],
-# [enable_yyyyy="yes"], [enable_yyyyy="no"])
-#
-# ...
-#
-# NOTE: AX_CONFIG_FEATURE_ENABLE() must be placed first of the relative
-# AX_CONFIG_FEATURE() macro ...
-#
-# LICENSE
-#
-# Copyright (c) 2008 Francesco Salvestrini <salvestrini@users.sourceforge.net>
-#
-# 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 2 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 10
-
-AC_DEFUN([AX_CONFIG_FEATURE],[ dnl
-m4_pushdef([FEATURE], patsubst([$1], -, _))dnl
-
-AC_ARG_ENABLE([$1],AS_HELP_STRING([--enable-$1],[$2]),[
-case "${enableval}" in
- yes)
- ax_config_feature_[]FEATURE[]="yes"
- ;;
- no)
- ax_config_feature_[]FEATURE[]="no"
- ;;
- *)
- AC_MSG_ERROR([bad value ${enableval} for feature --$1])
- ;;
-esac
-])
-
-AS_IF([test "$ax_config_feature_[]FEATURE[]" = yes],[ dnl
- AC_DEFINE([$3])
- $5
- AS_IF([test "$ax_config_feature_verbose" = yes],[ dnl
- AC_MSG_NOTICE([Feature $1 is enabled])
- ])
-],[ dnl
- $6
- AS_IF([test "$ax_config_feature_verbose" = yes],[ dnl
- AC_MSG_NOTICE([Feature $1 is disabled])
- ])
-])
-
-AH_TEMPLATE([$3],[$4])
-
-m4_popdef([FEATURE])dnl
-])
-
-dnl Feature global
-AC_DEFUN([AX_CONFIG_FEATURE_VERBOSE],[ dnl
- ax_config_feature_verbose=yes
-])
-
-dnl Feature global
-AC_DEFUN([AX_CONFIG_FEATURE_SILENT],[ dnl
- ax_config_feature_verbose=no
-])
-
-dnl Feature specific
-AC_DEFUN([AX_CONFIG_FEATURE_DEFAULT_ENABLED], [
- ax_config_feature_[]FEATURE[]_default=yes
-])
-
-dnl Feature specific
-AC_DEFUN([AX_CONFIG_FEATURE_DEFAULT_DISABLED], [
- ax_config_feature_[]FEATURE[]_default=no
-])
-
-dnl Feature specific
-AC_DEFUN([AX_CONFIG_FEATURE_ENABLE],[ dnl
- ax_config_feature_[]patsubst([$1], -, _)[]=yes
-])
-
-dnl Feature specific
-AC_DEFUN([AX_CONFIG_FEATURE_DISABLE],[ dnl
- ax_config_feature_[]patsubst([$1], -, _)[]=no
-])
-
+++ /dev/null
-# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_have_epoll.html
-# ===========================================================================
-#
-# SYNOPSIS
-#
-# AX_HAVE_EPOLL([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-# AX_HAVE_EPOLL_PWAIT([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-#
-# DESCRIPTION
-#
-# This macro determines whether the system supports the epoll I/O event
-# interface. A neat usage example would be:
-#
-# AX_HAVE_EPOLL(
-# [AX_CONFIG_FEATURE_ENABLE(epoll)],
-# [AX_CONFIG_FEATURE_DISABLE(epoll)])
-# AX_CONFIG_FEATURE(
-# [epoll], [This platform supports epoll(7)],
-# [HAVE_EPOLL], [This platform supports epoll(7).])
-#
-# The epoll interface was added to the Linux kernel in version 2.5.45, and
-# the macro verifies that a kernel newer than this is installed. This
-# check is somewhat unreliable if <linux/version.h> doesn't match the
-# running kernel, but it is necessary regardless, because glibc comes with
-# stubs for the epoll_create(), epoll_wait(), etc. that allow programs to
-# compile and link even if the kernel is too old; the problem would then
-# be detected only at runtime.
-#
-# Linux kernel version 2.6.19 adds the epoll_pwait() call in addition to
-# epoll_wait(). The availability of that function can be tested with the
-# second macro. Generally speaking, it is safe to assume that
-# AX_HAVE_EPOLL would succeed if AX_HAVE_EPOLL_PWAIT has, but not the
-# other way round.
-#
-# LICENSE
-#
-# Copyright (c) 2008 Peter Simons <simons@cryp.to>
-#
-# Copying and distribution of this file, with or without modification, are
-# permitted in any medium without royalty provided the copyright notice
-# and this notice are preserved. This file is offered as-is, without any
-# warranty.
-
-#serial 10
-
-AC_DEFUN([AX_HAVE_EPOLL], [dnl
- ax_have_epoll_cppflags="${CPPFLAGS}"
- AC_CHECK_HEADER([linux/version.h], [CPPFLAGS="${CPPFLAGS} -DHAVE_LINUX_VERSION_H"])
- AC_MSG_CHECKING([for Linux epoll(7) interface])
- AC_CACHE_VAL([ax_cv_have_epoll], [dnl
- AC_LINK_IFELSE([dnl
- AC_LANG_PROGRAM([dnl
-#include <sys/epoll.h>
-#ifdef HAVE_LINUX_VERSION_H
-# include <linux/version.h>
-# if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,45)
-# error linux kernel version is too old to have epoll
-# endif
-#endif
-], [dnl
-int fd, rc;
-struct epoll_event ev;
-fd = epoll_create(128);
-rc = epoll_wait(fd, &ev, 1, 0);])],
- [ax_cv_have_epoll=yes],
- [ax_cv_have_epoll=no])])
- CPPFLAGS="${ax_have_epoll_cppflags}"
- AS_IF([test "${ax_cv_have_epoll}" = "yes"],
- [AC_MSG_RESULT([yes])
-$1],[AC_MSG_RESULT([no])
-$2])
-])dnl
-
-AC_DEFUN([AX_HAVE_EPOLL_PWAIT], [dnl
- ax_have_epoll_cppflags="${CPPFLAGS}"
- AC_CHECK_HEADER([linux/version.h],
- [CPPFLAGS="${CPPFLAGS} -DHAVE_LINUX_VERSION_H"])
- AC_MSG_CHECKING([for Linux epoll(7) interface with signals extension])
- AC_CACHE_VAL([ax_cv_have_epoll_pwait], [dnl
- AC_LINK_IFELSE([dnl
- AC_LANG_PROGRAM([dnl
-#ifdef HAVE_LINUX_VERSION_H
-# include <linux/version.h>
-# if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-# error linux kernel version is too old to have epoll_pwait
-# endif
-#endif
-#include <sys/epoll.h>
-#include <signal.h>
-], [dnl
-int fd, rc;
-struct epoll_event ev;
-fd = epoll_create(128);
-rc = epoll_wait(fd, &ev, 1, 0);
-rc = epoll_pwait(fd, &ev, 1, 0, (sigset_t const *)(0));])],
- [ax_cv_have_epoll_pwait=yes],
- [ax_cv_have_epoll_pwait=no])])
- CPPFLAGS="${ax_have_epoll_cppflags}"
- AS_IF([test "${ax_cv_have_epoll_pwait}" = "yes"],
- [AC_MSG_RESULT([yes])
-$1],[AC_MSG_RESULT([no])
-$2])
-])dnl
-
projects / lttng-tools.git / commitdiff
