Drop autotools

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer
2017-04-24 15:14:06 +10:00
committed by bentiss
parent 9624d1bdcd
commit fa12517fb2
6 changed files with 17 additions and 651 deletions

24
.gitignore vendored
View File

@@ -1,36 +1,12 @@
*.a
*.la
*.lo
*.log
*.o
*.stamp
*.swp
*.trs
*~
.config.args
.deps/
.dirstamp
.libs/
/*.tar.xz
Makefile
Makefile.in
autom4te.cache/
aclocal.m4
build-aux/
config.h
config.h.in
config.log
config.status
configure
libtool
*.m4
!m4/attributes.m4
ratbagctl
./ratbagd
stamp-*
ratbagd
ratbagd.service
ratbagctl
org.freedesktop.ratbag1.service
tags
__pycache__

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@@ -1,119 +0,0 @@
# ------------------------------------------------------------------------------
# main
ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
AM_MAKEFLAGS = --no-print-directory
AUTOMAKE_OPTIONS = color-tests parallel-tests
GCC_COLORS ?= 'ooh, shiny!'
export GCC_COLORS
SUBDIRS = .
# remove targets if the command fails
.DELETE_ON_ERROR:
# keep intermediate files
.SECONDARY:
# Keep the test-suite.log
.PRECIOUS: $(TEST_SUITE_LOG) Makefile
CLEANFILES = $(BUILT_SOURCES)
DISTCLEANFILES =
EXTRA_DIST =
BUILT_SOURCES =
lib_LTLIBRARIES =
noinst_LTLIBRARIES =
bin_PROGRAMS =
noinst_PROGRAMS =
dist_man1_MANS =
dist_man8_MANS =
AM_CPPFLAGS = \
-include $(top_builddir)/config.h \
-I $(top_srcdir)/src \
-I $(top_builddir)/src \
$(OUR_CPPFLAGS)
AM_CFLAGS = $(OUR_CFLAGS)
AM_LDFLAGS = $(OUR_LDFLAGS)
# ------------------------------------------------------------------------------
# libshared
noinst_LTLIBRARIES += \
libshared.la
libshared_la_SOURCES = \
src/shared-macro.h \
src/shared-rbtree.h \
src/shared-rbtree.c
libshared_la_CFLAGS = \
$(AM_CFLAGS)
libshared_la_LIBADD = \
-lm
# ------------------------------------------------------------------------------
# ratbagd
bin_PROGRAMS += \
ratbagd
ratbagd_SOURCES = \
src/ratbagd.h \
src/ratbagd.c \
src/ratbagd-button.c \
src/ratbagd-device.c \
src/ratbagd-profile.c \
src/ratbagd-resolution.c
ratbagd_CFLAGS = \
$(AM_CFLAGS) \
$(LIBUDEV_CFLAGS) \
$(LIBSYSTEMD_CFLAGS) \
$(LIBRATBAG_CFLAGS)
ratbagd_LDADD = \
libshared.la \
$(LIBUDEV_LIBS) \
$(LIBSYSTEMD_LIBS) \
$(LIBRATBAG_LIBS)
dist_man8_MANS += doc/ratbagd.8
# ------------------------------------------------------------------------------
# DBus and systemd configuration files
unitdir = $(SYSTEMD_UNIT_DIR)
unit_DATA = ratbagd.service
$(unit_DATA): $(unit_DATA).in
$(AM_V_GEN)$(SED) -e 's|@bindir@|$(bindir)|g' < $< > $@
dbusservicedir = $(DBUS_SYSTEM_SERVICES_DIR)
dbusservice_DATA = dbus/org.freedesktop.ratbag1.service
$(dbusservice_DATA): $(dbusservice_DATA).in
$(AM_V_GEN)$(MKDIR_P) dbus
$(AM_V_GEN)$(SED) -e 's|@bindir@|$(bindir)|g' < $< > $@
dbusconfigdir = $(DBUS_SYSTEM_CONFIG_DIR)
dbusconfig_DATA = dbus/org.freedesktop.ratbag1.conf
EXTRA_DIST += \
ratbagd.service.in \
dbus/org.freedesktop.ratbag1.service.in \
dbus/org.freedesktop.ratbag1.conf
BUILT_SOURCES += ratbagd.service dbus/org.freedesktop.ratbag1.service
# ------------------------------------------------------------------------------
# python module
dist_pkgpython_DATA = python/ratbagd/__init__.py
bin_SCRIPTS = python/ratbagctl
EXTRA_DIST += python/ratbagctl.in
dist_man1_MANS += doc/ratbagctl.1

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@@ -113,12 +113,24 @@ activation is possible.
Compiling ratbagd
-----------------
./autogen.sh && ./configure --prefix=/usr/ --libdir=/usr/lib64
make
sudo make install
ratbagd uses the meson build system (see http://mesonbuild.com) which in
turn uses ninja to invoke the compiler (`ninja` may be `ninja-build` on your
distribution). From a fresh git checkout, run the following commands to init
the repository:
Depending on your distribution, you can omit the --libdir argument. Fedora
and related require it, Debian and related do not.
meson builddir --prefix=/usr/
And to build or re-build after code-changes, run:
ninja -C builddir
sudo ninja -C builddir install
Note: 'builddir' is the build output directory and can be changed to any
other directory name. To set configure-time options, use e.g.
mesonconf builddir -Denable-documentation=no
Run 'mesonconf builddir' to list the options.
License
-------

View File

@@ -1,48 +0,0 @@
#!/bin/sh
#
# autogen.sh: prepare build system
# Run this script to prepare the build-system for your local checkout. It
# requires the usual autotools dependencies to be installed.
#
# Prepare build system, but don't configure:
# $ ./autogen.sh
#
# Prepare build system and run ./configure with debugging enabled:
# $ ./autogen.sh c
#
# Prepare build system and run ./configure with llvm over gcc:
# $ ./autogen.sh l
#
# You can put additional arguments to ./configure into ".config.args". They
# will be appended to the arguments used by this script.
#
set -e
oldpwd=$(pwd)
topdir=$(dirname $0)
cd $topdir
autoreconf --force --install --symlink
if [ -f "$topdir/.config.args" ]; then
args="$args $(cat $topdir/.config.args)"
fi
cd $oldpwd
if [ "x$1" = "xc" ]; then
$topdir/configure --enable-debug $args
make clean
elif [ "x$1" = "xl" ]; then
$topdir/configure CC=clang $args
make clean
else
echo
echo "----------------------------------------------------------------"
echo "Initialized build system. For a common configuration please run:"
echo "----------------------------------------------------------------"
echo
echo "$topdir/configure $args"
echo
fi

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@@ -1,163 +0,0 @@
# ------------------------------------------------------------------------------
# main
AC_PREREQ([2.64])
AC_INIT([ratbagd],
[0.2],
[http://www.github.com/libratbag/ratbagd],
[ratbagd],
[http://www.github.com/libratbag/ratbagd])
AC_CONFIG_SRCDIR([src/ratbagd.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_AUX_DIR([build-aux])
AC_USE_SYSTEM_EXTENSIONS
AM_INIT_AUTOMAKE([foreign 1.11 -Wall -Wno-portability silent-rules tar-pax no-dist-gzip dist-xz subdir-objects parallel-tests])
AM_SILENT_RULES([yes])
AC_DEFINE_UNQUOTED([CANONICAL_HOST], "$host", [Canonical host string.])
LT_PREREQ(2.2)
LT_INIT([disable-static])
AC_PROG_MKDIR_P
AC_PROG_LN_S
AC_PROG_SED
AC_PROG_CC_C99
AC_PATH_PROG([M4], [m4])
AM_PATH_PYTHON
# ------------------------------------------------------------------------------
# arguments
AC_ARG_ENABLE(debug, AS_HELP_STRING([--enable-debug], [enable debug options]))
# ------------------------------------------------------------------------------
# toolchain
CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
-pipe \
-Wall \
-Wextra \
-Wno-inline \
-Wundef \
"-Wformat=2 -Wformat-security -Wformat-nonliteral" \
-Wlogical-op \
-Wsign-compare \
-Wmissing-include-dirs \
-Wold-style-definition \
-Wpointer-arith \
-Winit-self \
-Wdeclaration-after-statement \
-Wfloat-equal \
-Wsuggest-attribute=noreturn \
-Wmissing-prototypes \
-Wstrict-prototypes \
-Wredundant-decls \
-Wmissing-declarations \
-Wmissing-noreturn \
-Wendif-labels \
-Wstrict-aliasing=2 \
-Wwrite-strings \
-Wno-long-long \
-Wno-overlength-strings \
-Wno-unused-parameter \
-Wno-missing-field-initializers \
-Wno-unused-result \
-Werror=overflow \
-Wdate-time \
-Wnested-externs \
-ffast-math \
-fno-common \
-fdiagnostics-show-option \
-fno-strict-aliasing \
-fvisibility=hidden \
-ffunction-sections \
-fdata-sections \
-fstack-protector \
-fstack-protector-strong \
-fPIE \
--param=ssp-buffer-size=4])
AS_CASE([$CC], [*clang*],
[CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [ \
-Wno-typedef-redefinition \
-Wno-gnu-variable-sized-type-not-at-end \
])])
CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\
-Wl,--as-needed \
-Wl,--no-undefined \
-Wl,--gc-sections \
-Wl,-z,relro \
-Wl,-z,now \
-pie])
AS_IF([test "x$enable_debug" = "xyes"],
[
CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [ \
-g \
-O0 \
-ftrapv])
], [
CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
-Wp,-D_FORTIFY_SOURCE=2])
])
AC_SUBST([OUR_CFLAGS], "$with_cflags")
AC_SUBST([OUR_CPPFLAGS], "$with_cppflags")
AC_SUBST([OUR_LDFLAGS], "$with_ldflags")
# ------------------------------------------------------------------------------
# dependencies
PKG_CHECK_MODULES([LIBUDEV], [libudev])
PKG_CHECK_MODULES([LIBSYSTEMD], [libsystemd >= 227])
PKG_CHECK_MODULES([LIBRATBAG], [libratbag >= 0.6])
PKG_CHECK_VAR([libratbag_data_dir], [libratbag], [pkgdatadir],
[AC_DEFINE_UNQUOTED([LIBRATBAG_DATA_DIR], ["$libratbag_data_dir"], [Directory for libratbag's SVG files])])
# ------------------------------------------------------------------------------
# options
AC_ARG_WITH([systemd-unit-dir],
AS_HELP_STRING([--with-systemd-unit-dir=DIR],
[systemd unit directory [[default=$libdir/systemd/system]]]),
[unitdir="$withval"],
[unitdir="$libdir/systemd/system"])
SYSTEMD_UNIT_DIR=${unitdir}
AC_SUBST(SYSTEMD_UNIT_DIR)
AC_ARG_WITH([dbus-root-dir],
AS_HELP_STRING([--with-dbus-root-dir=DIR],
[dbus service directory [[default=$datadir/dbus-1]]]),
[dbusrootdir="$withval"],
[dbusrootdir="$datadir/dbus-1"])
DBUS_SYSTEM_SERVICES_DIR="${dbusrootdir}/system-services"
DBUS_SYSTEM_CONFIG_DIR="${dbusrootdir}/system.d"
AC_SUBST(DBUS_SYSTEM_SERVICES_DIR)
AC_SUBST(DBUS_SYSTEM_CONFIG_DIR)
# ------------------------------------------------------------------------------
# report
AC_CONFIG_FILES([Makefile
python/ratbagctl])
AC_OUTPUT
AC_MSG_RESULT([
$PACKAGE_NAME $VERSION
debug: ${enable_debug}
prefix: ${prefix}
exec_prefix: ${exec_prefix}
includedir: ${includedir}
libdir: ${libdir}
CFLAGS: ${OUR_CFLAGS} ${CFLAGS}
CPPFLAGS: ${OUR_CPPFLAGS} ${CPPFLAGS}
LDFLAGS: ${OUR_LDFLAGS} ${LDFLAGS}
])

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@@ -1,292 +0,0 @@
dnl Macros to check the presence of generic (non-typed) symbols.
dnl Copyright (c) 2006-2008 Diego Pettenò <flameeyes@gmail.com>
dnl Copyright (c) 2006-2008 xine project
dnl Copyright (c) 2012 Lucas De Marchi <lucas.de.marchi@gmail.com>
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
dnl 02110-1301, USA.
dnl
dnl As a special exception, the copyright owners of the
dnl macro gives unlimited permission to copy, distribute and modify the
dnl configure scripts that are the output of Autoconf when processing the
dnl Macro. You need not follow the terms of the GNU General Public
dnl License when using or distributing such scripts, even though portions
dnl of the text of the Macro appear in them. The GNU General Public
dnl License (GPL) does govern all other use of the material that
dnl constitutes the Autoconf Macro.
dnl
dnl This special exception to the GPL applies to versions of the
dnl Autoconf Macro released by this project. When you make and
dnl distribute a modified version of the Autoconf Macro, you may extend
dnl this special exception to the GPL to apply to your modified version as
dnl well.
dnl Check if FLAG in ENV-VAR is supported by compiler and append it
dnl to WHERE-TO-APPEND variable. Note that we invert -Wno-* checks to
dnl -W* as gcc cannot test for negated warnings. If a C snippet is passed,
dnl use it, otherwise use a simple main() definition that just returns 0.
dnl CC_CHECK_FLAG_APPEND([WHERE-TO-APPEND], [ENV-VAR], [FLAG], [C-SNIPPET])
AC_DEFUN([CC_CHECK_FLAG_APPEND], [
AC_CACHE_CHECK([if $CC supports flag $3 in envvar $2],
AS_TR_SH([cc_cv_$2_$3]),
[eval "AS_TR_SH([cc_save_$2])='${$2}'"
eval "AS_TR_SH([$2])='-Werror `echo "$3" | sed 's/^-Wno-/-W/'`'"
AC_LINK_IFELSE([AC_LANG_SOURCE(ifelse([$4], [],
[int main(void) { return 0; } ],
[$4]))],
[eval "AS_TR_SH([cc_cv_$2_$3])='yes'"],
[eval "AS_TR_SH([cc_cv_$2_$3])='no'"])
eval "AS_TR_SH([$2])='$cc_save_$2'"])
AS_IF([eval test x$]AS_TR_SH([cc_cv_$2_$3])[ = xyes],
[eval "$1='${$1} $3'"])
])
dnl CC_CHECK_FLAGS_APPEND([WHERE-TO-APPEND], [ENV-VAR], [FLAG1 FLAG2], [C-SNIPPET])
AC_DEFUN([CC_CHECK_FLAGS_APPEND], [
for flag in [$3]; do
CC_CHECK_FLAG_APPEND([$1], [$2], $flag, [$4])
done
])
dnl Check if the flag is supported by linker (cacheable)
dnl CC_CHECK_LDFLAGS([FLAG], [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
AC_DEFUN([CC_CHECK_LDFLAGS], [
AC_CACHE_CHECK([if $CC supports $1 flag],
AS_TR_SH([cc_cv_ldflags_$1]),
[ac_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $1"
AC_LINK_IFELSE([int main() { return 1; }],
[eval "AS_TR_SH([cc_cv_ldflags_$1])='yes'"],
[eval "AS_TR_SH([cc_cv_ldflags_$1])="])
LDFLAGS="$ac_save_LDFLAGS"
])
AS_IF([eval test x$]AS_TR_SH([cc_cv_ldflags_$1])[ = xyes],
[$2], [$3])
])
dnl define the LDFLAGS_NOUNDEFINED variable with the correct value for
dnl the current linker to avoid undefined references in a shared object.
AC_DEFUN([CC_NOUNDEFINED], [
dnl We check $host for which systems to enable this for.
AC_REQUIRE([AC_CANONICAL_HOST])
case $host in
dnl FreeBSD (et al.) does not complete linking for shared objects when pthreads
dnl are requested, as different implementations are present; to avoid problems
dnl use -Wl,-z,defs only for those platform not behaving this way.
*-freebsd* | *-openbsd*) ;;
*)
dnl First of all check for the --no-undefined variant of GNU ld. This allows
dnl for a much more readable command line, so that people can understand what
dnl it does without going to look for what the heck -z defs does.
for possible_flags in "-Wl,--no-undefined" "-Wl,-z,defs"; do
CC_CHECK_LDFLAGS([$possible_flags], [LDFLAGS_NOUNDEFINED="$possible_flags"])
break
done
;;
esac
AC_SUBST([LDFLAGS_NOUNDEFINED])
])
dnl Check for a -Werror flag or equivalent. -Werror is the GCC
dnl and ICC flag that tells the compiler to treat all the warnings
dnl as fatal. We usually need this option to make sure that some
dnl constructs (like attributes) are not simply ignored.
dnl
dnl Other compilers don't support -Werror per se, but they support
dnl an equivalent flag:
dnl - Sun Studio compiler supports -errwarn=%all
AC_DEFUN([CC_CHECK_WERROR], [
AC_CACHE_CHECK(
[for $CC way to treat warnings as errors],
[cc_cv_werror],
[CC_CHECK_CFLAGS_SILENT([-Werror], [cc_cv_werror=-Werror],
[CC_CHECK_CFLAGS_SILENT([-errwarn=%all], [cc_cv_werror=-errwarn=%all])])
])
])
AC_DEFUN([CC_CHECK_ATTRIBUTE], [
AC_REQUIRE([CC_CHECK_WERROR])
AC_CACHE_CHECK([if $CC supports __attribute__(( ifelse([$2], , [$1], [$2]) ))],
AS_TR_SH([cc_cv_attribute_$1]),
[ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $cc_cv_werror"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([$3])],
[eval "AS_TR_SH([cc_cv_attribute_$1])='yes'"],
[eval "AS_TR_SH([cc_cv_attribute_$1])='no'"])
CFLAGS="$ac_save_CFLAGS"
])
AS_IF([eval test x$]AS_TR_SH([cc_cv_attribute_$1])[ = xyes],
[AC_DEFINE(
AS_TR_CPP([SUPPORT_ATTRIBUTE_$1]), 1,
[Define this if the compiler supports __attribute__(( ifelse([$2], , [$1], [$2]) ))]
)
$4],
[$5])
])
AC_DEFUN([CC_ATTRIBUTE_CONSTRUCTOR], [
CC_CHECK_ATTRIBUTE(
[constructor],,
[void __attribute__((constructor)) ctor() { int a; }],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_FORMAT], [
CC_CHECK_ATTRIBUTE(
[format], [format(printf, n, n)],
[void __attribute__((format(printf, 1, 2))) printflike(const char *fmt, ...) { fmt = (void *)0; }],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_FORMAT_ARG], [
CC_CHECK_ATTRIBUTE(
[format_arg], [format_arg(printf)],
[char *__attribute__((format_arg(1))) gettextlike(const char *fmt) { fmt = (void *)0; }],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_VISIBILITY], [
CC_CHECK_ATTRIBUTE(
[visibility_$1], [visibility("$1")],
[void __attribute__((visibility("$1"))) $1_function() { }],
[$2], [$3])
])
AC_DEFUN([CC_ATTRIBUTE_NONNULL], [
CC_CHECK_ATTRIBUTE(
[nonnull], [nonnull()],
[void __attribute__((nonnull())) some_function(void *foo, void *bar) { foo = (void*)0; bar = (void*)0; }],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_UNUSED], [
CC_CHECK_ATTRIBUTE(
[unused], ,
[void some_function(void *foo, __attribute__((unused)) void *bar);],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_SENTINEL], [
CC_CHECK_ATTRIBUTE(
[sentinel], ,
[void some_function(void *foo, ...) __attribute__((sentinel));],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_DEPRECATED], [
CC_CHECK_ATTRIBUTE(
[deprecated], ,
[void some_function(void *foo, ...) __attribute__((deprecated));],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_ALIAS], [
CC_CHECK_ATTRIBUTE(
[alias], [weak, alias],
[void other_function(void *foo) { }
void some_function(void *foo) __attribute__((weak, alias("other_function")));],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_MALLOC], [
CC_CHECK_ATTRIBUTE(
[malloc], ,
[void * __attribute__((malloc)) my_alloc(int n);],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_PACKED], [
CC_CHECK_ATTRIBUTE(
[packed], ,
[struct astructure { char a; int b; long c; void *d; } __attribute__((packed));],
[$1], [$2])
])
AC_DEFUN([CC_ATTRIBUTE_CONST], [
CC_CHECK_ATTRIBUTE(
[const], ,
[int __attribute__((const)) twopow(int n) { return 1 << n; } ],
[$1], [$2])
])
AC_DEFUN([CC_FLAG_VISIBILITY], [
AC_REQUIRE([CC_CHECK_WERROR])
AC_CACHE_CHECK([if $CC supports -fvisibility=hidden],
[cc_cv_flag_visibility],
[cc_flag_visibility_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $cc_cv_werror"
CC_CHECK_CFLAGS_SILENT([-fvisibility=hidden],
cc_cv_flag_visibility='yes',
cc_cv_flag_visibility='no')
CFLAGS="$cc_flag_visibility_save_CFLAGS"])
AS_IF([test "x$cc_cv_flag_visibility" = "xyes"],
[AC_DEFINE([SUPPORT_FLAG_VISIBILITY], 1,
[Define this if the compiler supports the -fvisibility flag])
$1],
[$2])
])
AC_DEFUN([CC_FUNC_EXPECT], [
AC_REQUIRE([CC_CHECK_WERROR])
AC_CACHE_CHECK([if compiler has __builtin_expect function],
[cc_cv_func_expect],
[ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $cc_cv_werror"
AC_COMPILE_IFELSE([AC_LANG_SOURCE(
[int some_function() {
int a = 3;
return (int)__builtin_expect(a, 3);
}])],
[cc_cv_func_expect=yes],
[cc_cv_func_expect=no])
CFLAGS="$ac_save_CFLAGS"
])
AS_IF([test "x$cc_cv_func_expect" = "xyes"],
[AC_DEFINE([SUPPORT__BUILTIN_EXPECT], 1,
[Define this if the compiler supports __builtin_expect() function])
$1],
[$2])
])
AC_DEFUN([CC_ATTRIBUTE_ALIGNED], [
AC_REQUIRE([CC_CHECK_WERROR])
AC_CACHE_CHECK([highest __attribute__ ((aligned ())) supported],
[cc_cv_attribute_aligned],
[ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $cc_cv_werror"
for cc_attribute_align_try in 64 32 16 8 4 2; do
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
int main() {
static char c __attribute__ ((aligned($cc_attribute_align_try))) = 0;
return c;
}])], [cc_cv_attribute_aligned=$cc_attribute_align_try; break])
done
CFLAGS="$ac_save_CFLAGS"
])
if test "x$cc_cv_attribute_aligned" != "x"; then
AC_DEFINE_UNQUOTED([ATTRIBUTE_ALIGNED_MAX], [$cc_cv_attribute_aligned],
[Define the highest alignment supported])
fi
])