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# Copyright (C) 2001-2006 Simon Baldwin (simon_baldwin@yahoo.com)
# Copyright (C) 2011-2014 Kamil Ignacak (acerion@wp.pl)
#
# 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# General initializations.
AC_PREREQ(2.57)
AC_INIT([unixcw], [3.3.1])
AC_CONFIG_SRCDIR([src/libcw/libcw.c])
AM_INIT_AUTOMAKE
# Specify a configuration header.
AC_CONFIG_HEADERS(src/config.h)
AC_CONFIG_FILES([src/libcw/libcw.pc])
# General checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_PROG_AWK
AC_PROG_LIBTOOL
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_PROG_LN_S
AM_PROG_CC_C_O
# Check specifically for gzip and ldconfig, and substitute the harmless ":"
# if absent.
AC_PATH_PROG(GZIP, gzip, ,)
if test -z "$GZIP" ; then
GZIP=":"
fi
AC_PATH_PROG(LDCONFIG, ldconfig, ,)
if test -z "$LDCONFIG" ; then
LDCONFIG=":"
fi
AC_SUBST(GZIP)
AC_SUBST(LDCONFIG)
# Check for basic but essential libraries
AC_CHECK_LIB(pthread, pthread_create)
AC_CHECK_LIB(m, floor)
# show-stoppers
if test $ac_cv_lib_m_floor = 'no' ; then
AC_MSG_ERROR([math library is missing, cannot continue])
fi
if test $ac_cv_lib_pthread_pthread_create = 'no' ; then
AC_MSG_ERROR([pthread library is missing, cannot continue])
fi
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
# library's current:revision:age
#
# I'm defining it here so that it's available in config.h and can be
# used in libcw's cw_version() function that should return the
# numbers.
LIBCW_VERSION=\"6:1:1\"
AC_DEFINE_UNQUOTED([LIBCW_VERSION], $LIBCW_VERSION, [Library version, libtool notation])
AC_SUBST(LIBCW_VERSION)
# ########################################################################
# definitions of custom command line options for configure script
# ########################################################################
# Build support for console buzzer output? Yes by default.
AC_ARG_ENABLE([console],
AS_HELP_STRING([--disable-console], [disable support for console buzzer audio output]),
[],
[enable_console=yes])
AC_MSG_CHECKING([whether to include console buzzer audio suport])
if test "$enable_console" = "yes" ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
# Build support for OSS audio system? Yes by default.
AC_ARG_ENABLE([oss],
AS_HELP_STRING([--disable-oss], [disable support for OSS audio output]),
[],
[enable_oss=yes])
AC_MSG_CHECKING([whether to include OSS audio support])
if test "$enable_oss" = "yes" ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
# Build support for ALSA audio system? Yes by default.
AC_ARG_ENABLE([alsa],
AS_HELP_STRING([--disable-alsa], [disable support for ALSA audio output]),
[],
[enable_alsa=yes])
AC_MSG_CHECKING([whether to include ALSA audio support])
if test "$enable_alsa" = "yes" ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
# Build support for PulseAudio audio system? Yes by default.
AC_ARG_ENABLE(pulseaudio,
AS_HELP_STRING([--disable-pulseaudio], [disable support for PulseAudio audio output]),
[],
[enable_pulseaudio=yes])
AC_MSG_CHECKING([whether to include PulseAudio audio support])
if test "$enable_pulseaudio" = "yes" ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
# Build cwcp? Yes by default.
AC_ARG_ENABLE(cwcp,
AS_HELP_STRING([--disable-cwcp], [do not build cwcp (application with curses user interface)]),
[],
[enable_cwcp=yes])
AC_MSG_CHECKING([whether to build cwcp])
if test "$enable_cwcp" = "yes" ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
# Build xcwcp? Yes by default.
AC_ARG_ENABLE(xcwcp,
AS_HELP_STRING([--disable-xcwcp], [do not build xcwcp (application with Qt4 user interface)]),
[],
[enable_xcwcp=yes])
AC_MSG_CHECKING([whether to build xcwcp])
if test "$enable_xcwcp" = "yes" ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
# Enable development debugging? No by default.
AC_ARG_ENABLE(dev,
AS_HELP_STRING([--enable-dev], [enable development support (messages/debug code/asserts)]),
[],
[enable_dev=no])
AC_MSG_CHECKING([whether to enable development support])
if test "$enable_dev" = "yes" ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
# #####
# end
# #####
# ########################################################################
# Process command line options, and if enabled - checking if requirements
# for enabled features are satisfied.
# ########################################################################
if test "$enable_console" = "no" ; then
WITH_CONSOLE='no'
else
AC_CHECK_HEADERS([sys/kd.h sys/vtkd.h sys/kbio.h])
if test "$ac_cv_header_sys_kd_h" = 'no' \
&& test "$ac_cv_header_sys_vtkd_h" = 'no' \
&& test "$ac_cv_header_sys_kbio_h" = 'no' ; then
WITH_CONSOLE='no'
AC_MSG_WARN([Cannot find either sys/kd.h, sys/vtkd.h, or sys/kbio.h - support for console buzzer audio output will be disabled])
else
WITH_CONSOLE='yes'
fi
fi
if test "$WITH_CONSOLE" = 'yes' ; then
AC_DEFINE([LIBCW_WITH_CONSOLE], [1], [Define as 1 if your build machine can support console buzzer.])
fi
if test "$enable_oss" = "no" ; then
WITH_OSS='no'
else
AC_CHECK_HEADERS([soundcard.h sys/soundcard.h])
if test "$ac_cv_header_soundcard_h" = 'no' \
&& test "$ac_cv_header_sys_soundcard_h" = 'no' ; then
WITH_OSS='no'
AC_MSG_WARN([Cannot find either soundcard.h or sys/soundcard.h - support for OSS audio output will be disabled])
else
WITH_OSS='yes'
fi
fi
if test "$WITH_OSS" = 'yes' ; then
AC_DEFINE([LIBCW_WITH_OSS], [1], [Define as 1 if your build machine can support OSS.])
fi
if test "$enable_alsa" = "no" ; then
WITH_ALSA='no'
else
AC_CHECK_LIB(asound, snd_pcm_open)
if test "$ac_cv_lib_asound_snd_pcm_open" = 'yes' ; then
# Check for certain routines which are missing from liboss-salsa-dev
# (kfreebsd's libasound implementation). If a function is found
# build system defines HAVE_function_name in config.h.
AC_CHECK_FUNCS([ \
snd_pcm_hw_params_test_periods \
snd_pcm_hw_params_test_buffer_size \
])
WITH_ALSA='yes'
else
WITH_ALSA='no'
AC_MSG_WARN([Cannot find ALSA library files - support for ALSA audio output will be disabled])
fi
fi
if test "$WITH_ALSA" = 'yes' ; then
AC_DEFINE([LIBCW_WITH_ALSA], [1], [Define as 1 if your build machine can support ALSA.])
fi
if test "$enable_pulseaudio" = "no" ; then
WITH_PULSEAUDIO='no'
else
AC_CHECK_LIB(pulse-simple, pa_simple_new)
if test "$ac_cv_lib_pulse_simple_pa_simple_new" = 'yes' ; then
WITH_PULSEAUDIO='yes'
else
WITH_PULSEAUDIO='no'
AC_MSG_WARN([Cannot find PulseAudio library files - support for PulseAudio audio output will be disabled])
fi
fi
if test "$WITH_PULSEAUDIO" = 'yes' ; then
AC_DEFINE([LIBCW_WITH_PULSEAUDIO], [1], [Define as 1 if your build machine can support PulseAudio.])
fi
if test "$enable_cwcp" = "no" ; then
WITH_CWCP='no'
else
AC_CHECK_LIB(curses, initscr)
if test $ac_cv_lib_curses_initscr = 'yes' ; then
WITH_CWCP='yes'
else
WITH_CWCP='no'
AC_MSG_WARN([Cannot find libcurses - unable to build cwcp])
fi
fi
if test "$enable_xcwcp" = "no" ; then
WITH_XCWCP='no'
else
# autodetection of Qt4 dependencies
m4_include([configure.qt.inc])
if [[ "$QT4CFLAGS" -a "$QT4MOC" ]] ; then
# we have moc4 and path to Qt4 include files,
# so we can build xcwcp
WITH_XCWCP='yes'
else
WITH_XCWCP='no'
AC_MSG_WARN([Cannot find Qt4 files - unable to build xcwcp])
fi
fi
# Development support tools.
AM_CONDITIONAL(LIBCW_WITH_DEV, test "$enable_dev" = "yes")
if test "$enable_dev" = "yes" ; then
WITH_DEV='yes'
AC_DEFINE([LIBCW_WITH_DEV], [1], [Define as 1 if you want to enable development support.])
else
WITH_DEV='no'
fi
# #####
# end
# #####
# unixcw uses per-target linker object lists (target_LDADD)
LIBS=
# Checks for header files, and refuse to go on if no KIOCSOUND is available.
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h limits.h stdlib.h string.h strings.h sys/ioctl.h \
sys/param.h sys/time.h unistd.h locale.h libintl.h])
AC_CHECK_HEADERS([getopt.h])
AC_CHECK_HEADERS([string.h strings.h])
if test "$ac_cv_header_string_h" = 'no' \
&& test "$ac_cv_header_strings_h" = 'no' ; then
AC_MSG_WARN([Cannot find either string.h or strings.h])
fi
# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_C_CONST
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_C_VOLATILE
# Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_FUNC_STRCOLL
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([floor gettimeofday memset sqrt strchr strdup strrchr \
strtoul getopt_long setlocale memmove select strerror strspn])
AC_FUNC_SELECT_ARGTYPES
# Decide on which subdirectories to build; substitute into SRC_SUBDIRS.
# Build cwcp if curses is available, and xcwcp if Qt is available.
SRC_SUBDIRS="libcw cwutils cw cwgen"
if test "$WITH_CWCP" = 'yes' ; then
SRC_SUBDIRS="$SRC_SUBDIRS cwcp"
fi
if test "$WITH_XCWCP" = 'yes' ; then
SRC_SUBDIRS="$SRC_SUBDIRS xcwcp"
fi
AC_SUBST(SRC_SUBDIRS)
# Used for debug purposes.
# CFLAGS=`echo "$CFLAGS" | sed 's/-O2/-O0/g'`
# Add -Wall, -W, -pedantic, and other paranoia to gcc command flags, and -Wall
# to with a few suppressions to icc command flags, then similarly, though less
# so, for g++ and icpc.
if test "`basename $CC`" = "gcc" ; then
CFLAGS="$CFLAGS -Wall -W -pedantic -Wfloat-equal -Wpointer-arith -std=gnu99"
CFLAGS="$CFLAGS -Wcast-qual -Wwrite-strings -Wmissing-prototypes"
CFLAGS="$CFLAGS -Wstrict-prototypes -Wmissing-declarations -Wredundant-decls"
else
if test "`basename $CC`" = "icc" ; then
CFLAGS="$CFLAGS -Wall -wd181,188,279,383,593,810,981,1469"
fi
fi
if test "`basename $CXX`" = "g++" ; then
CXXFLAGS="$CXXFLAGS -Wall -W -pedantic -Wno-long-long"
else
if test "`basename $CXX`" = "icpc" ; then
CXXFLAGS="$CXXFLAGS -Wall -wd181,188,279,383,593,810,981,1469"
fi
fi
# Determine if -fPIC or -KPIC is available for building .so libraries.
# Because gcc complains about invalid flags, but then continues, we have to
# check by searching the compile stdout and stderr for any output.
if test -z "$CFLAG_PIC" ; then
AC_MSG_CHECKING([for -KPIC or -fPIC compiler options])
cat >conftest.c <<-EOF
int so_test() { return 0; }
EOF
if $CC -fPIC -c conftest.c 2>&1 | egrep -q '.' ; then
if $CC -KPIC -c conftest.c 2>&1 | egrep -q '.' ; then
CFLAG_PIC=""
else
CFLAG_PIC="-KPIC"
fi
else
CFLAG_PIC="-fPIC"
fi
rm -f conftest.c conftest.o
if test -n "$CFLAG_PIC" ; then
AC_MSG_RESULT($CFLAG_PIC)
else
AC_MSG_RESULT(no)
fi
fi
AC_SUBST(CFLAG_PIC)
# Determine if the C compiler builds DSO files, by testing with -shared.
CC_LINKS_SO="no"
if test -n "$CC" ; then
AC_MSG_CHECKING(whether cc builds .so files with -shared)
cat >conftest.c <<-EOF
int so_test() { return 0; }
EOF
$CC -c conftest.c >/dev/null 2>/dev/null
$CC -shared -o conftest.so conftest.o >/dev/null 2>/dev/null
rm -f conftest.c conftest.o
if test -f conftest.so ; then
nm conftest.so | grep -q so_test
if test $? -eq 0 ; then
CC_LINKS_SO="yes"
fi
fi
rm -f conftest.so
if test $CC_LINKS_SO = "yes" ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
fi
AC_SUBST(CC_LINKS_SO)
# A linker might also build DSO files with -G, but we'll prefer to use the
# compiler if it will cooperate.
LD_LINKS_SO="no"
AC_PATH_PROG(LD, ld, , )
if test -n "$LD" ; then
AC_MSG_CHECKING(whether ld builds .so files with -G)
cat >conftest.c <<-EOF
int so_test() { return 0; }
EOF
$CC -c conftest.c >/dev/null 2>/dev/null
$LD -G -o conftest.so conftest.o >/dev/null 2>/dev/null
rm -f conftest.c conftest.o
if test -f conftest.so ; then
nm conftest.so | grep -q so_test
if test $? -eq 0 ; then
LD_LINKS_SO="yes"
fi
fi
rm -f conftest.so
if test $LD_LINKS_SO = "yes" ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
else
LD=":"
fi
AC_SUBST(LD)
AC_SUBST(LD_LINKS_SO)
AC_CONFIG_FILES([Makefile.inc
Makefile
src/Makefile
src/libcw/Makefile
src/cwutils/Makefile
src/cw/Makefile
src/cwgen/Makefile])
if test "$WITH_CWCP" = 'yes' ; then
AC_CONFIG_FILES([src/cwcp/Makefile])
fi
if test "$WITH_XCWCP" = 'yes' ; then
AC_CONFIG_FILES([src/xcwcp/Makefile])
fi
AC_MSG_NOTICE([----------------------------------------------------])
AC_MSG_NOTICE([------------ unixcw build configuration ------------])
AC_MSG_NOTICE([build libcw: ................................. yes])
AC_MSG_NOTICE([build cw & cwgen: ............................ yes])
AC_MSG_NOTICE([build cwcp: .................................. $WITH_CWCP])
AC_MSG_NOTICE([build xcwcp: ................................. $WITH_XCWCP])
if test "$WITH_XCWCP" = 'yes' ; then
AC_MSG_NOTICE([ Qt4 CFLAGS is $QT4CFLAGS])
AC_MSG_NOTICE([ Qt4 moc is $QT4MOC])
fi
AC_MSG_NOTICE([include console buzzer support: .............. $WITH_CONSOLE])
AC_MSG_NOTICE([include OSS support: ......................... $WITH_OSS])
AC_MSG_NOTICE([include ALSA support: ........................ $WITH_ALSA])
AC_MSG_NOTICE([include PulseAudio support: .................. $WITH_PULSEAUDIO])
AC_MSG_NOTICE([----------------------------------------------------])
if test "$WITH_DEV" = 'yes' ; then
AC_MSG_NOTICE([enable dev support: ........................... yes])
fi
AC_OUTPUT
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