sync code with last improvements from OpenBSD
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191
lib/libxshmfence/configure.ac
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191
lib/libxshmfence/configure.ac
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dnl
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dnl Copyright © 2013 Keith Packard
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dnl
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dnl Permission to use, copy, modify, distribute, and sell this software and its
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dnl documentation for any purpose is hereby granted without fee, provided that
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dnl the above copyright notice appear in all copies and that both that copyright
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dnl notice and this permission notice appear in supporting documentation, and
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dnl that the name of the copyright holders not be used in advertising or
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dnl publicity pertaining to distribution of the software without specific,
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dnl written prior permission. The copyright holders make no representations
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dnl about the suitability of this software for any purpose. It is provided "as
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dnl is" without express or implied warranty.
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dnl
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dnl THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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dnl INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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dnl EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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dnl CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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dnl DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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dnl TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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dnl OF THIS SOFTWARE.
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dnl
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dnl
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dnl Process this file with autoconf to create configure.
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AC_PREREQ([2.60])
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AC_INIT([libxshmfence], [1.3.2],
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[https://gitlab.freedesktop.org/xorg/lib/libxshmfence/-/issues],
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[libxshmfence])
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AC_CONFIG_SRCDIR([Makefile.am])
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AC_CONFIG_HEADERS([config.h])
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AC_USE_SYSTEM_EXTENSIONS
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# Initialize Automake
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AM_INIT_AUTOMAKE([foreign dist-xz])
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AM_MAINTAINER_MODE
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# Initialize libtool
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AC_PROG_LIBTOOL
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# Require xorg-macros: XORG_DEFAULT_OPTIONS, XORG_WITH_LINT
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m4_ifndef([XORG_MACROS_VERSION],
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[m4_fatal([must install xorg-macros 1.3 or later before running autoconf/autogen])])
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XORG_MACROS_VERSION(1.3)
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XORG_DEFAULT_OPTIONS
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dnl Allow checking code with lint, sparse, etc.
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XORG_WITH_LINT
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LINT_FLAGS="${LINT_FLAGS} ${FONTENC_CFLAGS}"
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# Checks for typedefs, structures, and compiler characteristics.
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AC_SYS_LARGEFILE
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dnl
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dnl Locate a suitable tmp file system for creating shared memory files
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dnl
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AC_ARG_ENABLE(futex, AS_HELP_STRING([--enable-futex], [Enable futexes (default: auto)]),
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[FUTEX=$enableval], [FUTEX=auto])
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if test "x$FUTEX" = "xauto"; then
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AC_CHECK_HEADER([linux/futex.h], [FUTEX=yes])
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fi
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if test "x$FUTEX" = "xauto"; then
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AC_CHECK_HEADER([sys/futex.h], [FUTEX=yes])
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if test "x$FUTEX" = "xyes"; then
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AC_DEFINE(HAVE_FUTEX, 1, [Use futex])
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fi
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fi
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if test "x$FUTEX" = "xauto"; then
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AC_CHECK_HEADER([sys/umtx.h], [FUTEX=yes], [FUTEX=no],
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[#include <errno.h>
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#include <sys/types.h>])
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if test "x$FUTEX" = "xyes"; then
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AC_DEFINE(HAVE_UMTX, 1, [Use umtx])
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fi
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fi
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if test "x$FUTEX" = "xyes"; then
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PTHREAD=no
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AC_DEFINE(HAVE_FUTEX,1,[Use futexes])
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else
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PTHREAD=yes
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AC_DEFINE(HAVE_PTHREAD,1,[Use pthread primitives])
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fi
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PTHREAD_LIBS=
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if test "x$PTHREAD" = "xyes"; then
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AC_CHECK_LIB(pthread,pthread_create,[PTHREAD_LIBS=-lpthread],[PTHREAD_LIBS=])
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fi
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AC_SUBST([PTHREAD_LIBS])
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AM_CONDITIONAL([FUTEX], [test x"$FUTEX" = xyes])
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AM_CONDITIONAL([PTHREAD], [test x"$PTHREAD" = xyes])
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PKG_CHECK_MODULES(XPROTO, xproto)
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AC_SUBST([XPROTO_CFLAGS])
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CFLAGS="$CFLAGS $XPROTO_CFLAGS"
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AC_CHECK_FUNCS(memfd_create mkostemp)
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AC_CHECK_DECLS([__NR_memfd_create], [], [], [[#include <asm/unistd.h>]])
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AC_CHECK_HEADERS([sys/memfd.h], [AC_DEFINE([HAVE_MEMFD_H], 1, [Has sys/memfd.h header])])
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AC_ARG_ENABLE(visibility, AC_HELP_STRING([--enable-visibility], [Enable symbol visibility (default: auto)]),
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[SYMBOL_VISIBILITY=$enableval],
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[SYMBOL_VISIBILITY=auto])
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dnl ==================================================================
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dnl symbol visibility
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symbol_visibility=
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have_visibility=disabled
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if test x$SYMBOL_VISIBILITY != xno; then
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AC_MSG_CHECKING(for symbol visibility support)
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if test x$GCC = xyes; then
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VISIBILITY_CFLAGS="-fvisibility=hidden"
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else
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if test x$SUNCC = xyes; then
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VISIBILITY_CFLAGS="-xldscope=hidden"
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else
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have_visibility=no
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fi
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fi
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if test x$have_visibility != xno; then
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AC_TRY_COMPILE(
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[#include <X11/Xfuncproto.h>
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extern _X_HIDDEN int hidden_int;
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extern _X_EXPORT int public_int;
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extern _X_HIDDEN int hidden_int_func(void);
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extern _X_EXPORT int public_int_func(void);],
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[],
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have_visibility=yes,
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have_visibility=no)
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fi
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AC_MSG_RESULT([$have_visibility])
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if test x$have_visibility != xno; then
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symbol_visibility=$VISIBILITY_CFLAGS
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CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
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fi
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fi
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AC_ARG_WITH(shared-memory-dir, AS_HELP_STRING([--with-shared-memory-dir=PATH], [Path to directory in a world-writable temporary directory for anonymous shared memory (default: auto)]),
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[],
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[with_shared_memory_dir=yes])
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shmdirs="/run/shm /dev/shm /var/tmp /tmp"
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case x"$with_shared_memory_dir" in
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xyes)
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for dir in $shmdirs; do
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case x"$with_shared_memory_dir" in
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xyes)
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echo Checking temp dir "$dir"
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if test -d "$dir"; then
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with_shared_memory_dir="$dir"
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fi
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;;
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esac
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done
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;;
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x/*)
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;;
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xno)
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;;
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*)
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AC_MSG_ERROR([Invalid directory specified for --with-shared-memory-dir: $with_shared_memory_dir])
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;;
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esac
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case x"$with_shared_memory_dir" in
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xyes)
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AC_MSG_ERROR([No directory found for shared memory temp files.])
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;;
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xno)
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;;
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*)
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AC_DEFINE_UNQUOTED(SHMDIR, ["$with_shared_memory_dir"], [Directory for shared memory temp files])
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;;
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esac
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AC_CONFIG_FILES([Makefile
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src/Makefile
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test/Makefile
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xshmfence.pc])
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AC_OUTPUT
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