[libsigrok.git] / configure.ac

##
## This file is part of the sigrok project.
##
## Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
## Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
##
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program.  If not, see <http://www.gnu.org/licenses/>.
##

# We require at least autoconf 2.63 (AC_INIT format changed there).
AC_PREREQ([2.63])

# libsigrok package version number (NOT the same as shared lib version!).
m4_define([sr_package_version_major], [0])
m4_define([sr_package_version_minor], [2])
m4_define([sr_package_version_micro], [0])
m4_define([sr_package_version], [sr_package_version_major.sr_package_version_minor.sr_package_version_micro])

AC_INIT([libsigrok], [sr_package_version], [sigrok-devel@lists.sourceforge.net],
	[libsigrok], [http://www.sigrok.org])
AC_CONFIG_HEADER([config.h])
AC_CONFIG_MACRO_DIR([autostuff])
AC_CONFIG_AUX_DIR([autostuff])

# We require at least automake 1.11 (needed for 'silent rules').
AM_INIT_AUTOMAKE([1.11 -Wall -Werror foreign std-options])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])

AH_TOP([#ifndef SR_CONFIG_H
#define SR_CONFIG_H    /* To stop multiple inclusions. */])
AH_BOTTOM([#endif /* SR_CONFIG_H */])

# Enable more compiler warnings via -Wall and -Wextra. Add -fvisibility=hidden
# and enforce use of SR_API to explicitly mark all public API functions.
CFLAGS="-g -Wall -Wextra -fvisibility=hidden"

# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S

# Initialize libtool.
LT_INIT

# Initialize pkg-config.
# We require at least 0.22, as "Requires.private" behaviour changed there.
PKG_PROG_PKG_CONFIG([0.22])

# Library version for libsigrok (NOT the same as the package version).
# Carefully read the libtool docs before updating these numbers!
# The algorithm for determining which number to change (and how) is nontrivial!
# http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
SR_LIB_VERSION_CURRENT=2
SR_LIB_VERSION_REVISION=0
SR_LIB_VERSION_AGE=0
SR_LIB_VERSION="$SR_LIB_VERSION_CURRENT:$SR_LIB_VERSION_REVISION:$SR_LIB_VERSION_AGE"
SR_LIB_LDFLAGS="-version-info $SR_LIB_VERSION"
AC_SUBST(SR_LIB_VERSION_CURRENT)
AC_SUBST(SR_LIB_VERSION_REVISION)
AC_SUBST(SR_LIB_VERSION_AGE)
AC_SUBST(SR_LIB_VERSION)
AC_SUBST(SR_LIB_LDFLAGS)

# Hardware support '--enable' options.

AC_ARG_ENABLE(agilent-dmm, AC_HELP_STRING([--enable-agilent-dmm],
	      [enable Agilent DMM support [default=yes]]),
	      [HW_AGILENT_DMM="$enableval"],
	      [HW_AGILENT_DMM=yes])
AM_CONDITIONAL(HW_AGILENT_DMM, test x$HW_AGILENT_DMM = xyes)
if test "x$HW_AGILENT_DMM" = "xyes"; then
	AC_DEFINE(HAVE_HW_AGILENT_DMM, 1, [Agilent DMM support])
fi

AC_ARG_ENABLE(alsa, AC_HELP_STRING([--enable-alsa],
	      [enable ALSA driver support [default=yes]]),
	      [HW_ALSA="$enableval"],
	      [HW_ALSA=yes])
AM_CONDITIONAL(HW_ALSA, test x$HW_ALSA = xyes)
if test "x$HW_ALSA" = "xyes"; then
	AC_DEFINE(HAVE_HW_ALSA, 1, [ALSA driver support])
fi

AC_ARG_ENABLE(asix-sigma, AC_HELP_STRING([--enable-asix-sigma],
	      [enable ASIX SIGMA/SIGMA2 support [default=yes]]),
	      [LA_ASIX_SIGMA="$enableval"],
	      [LA_ASIX_SIGMA=yes])
AM_CONDITIONAL(LA_ASIX_SIGMA, test x$LA_ASIX_SIGMA = xyes)
if test "x$LA_ASIX_SIGMA" = "xyes"; then
	AC_DEFINE(HAVE_LA_ASIX_SIGMA, 1, [ASIX SIGMA/SIGMA2 support])
fi

AC_ARG_ENABLE(chronovu-la8, AC_HELP_STRING([--enable-chronovu-la8],
	      [enable ChronoVu LA8 support [default=yes]]),
	      [LA_CHRONOVU_LA8="$enableval"],
	      [LA_CHRONOVU_LA8=yes])
AM_CONDITIONAL(LA_CHRONOVU_LA8, test x$LA_CHRONOVU_LA8 = xyes)
if test "x$LA_CHRONOVU_LA8" = "xyes"; then
	AC_DEFINE(HAVE_LA_CHRONOVU_LA8, 1, [ChronoVu LA8 support])
fi

AC_ARG_ENABLE(colead-slm, AC_HELP_STRING([--enable-colead-slm],
	[enable Colead SLM support [default=yes]]),
	[HW_COLEAD_SLM="$enableval"],
	[HW_COLEAD_SLM=yes])
AM_CONDITIONAL(HW_COLEAD_SLM, test x$HW_COLEAD_SLM = xyes)
if test "x$HW_COLEAD_SLM" = "xyes"; then
	AC_DEFINE(HAVE_HW_COLEAD_SLM, 1, [Colead SLM support])
fi

AC_ARG_ENABLE(demo, AC_HELP_STRING([--enable-demo],
	      [enable demo driver support [default=yes]]),
	      [LA_DEMO="$enableval"],
	      [LA_DEMO=yes])
AM_CONDITIONAL(LA_DEMO, test x$LA_DEMO = xyes)
if test "x$LA_DEMO" = "xyes"; then
	AC_DEFINE(HAVE_LA_DEMO, 1, [Demo driver support])
fi

AC_ARG_ENABLE(fluke-dmm, AC_HELP_STRING([--enable-fluke-dmm],
	      [enable Fluke DMM support [default=yes]]),
	      [HW_FLUKE_DMM="$enableval"],
	      [HW_FLUKE_DMM=yes])
AM_CONDITIONAL(HW_FLUKE_DMM, test x$HW_FLUKE_DMM = xyes)
if test "x$HW_FLUKE_DMM" = "xyes"; then
	AC_DEFINE(HAVE_HW_FLUKE_DMM, 1, [Fluke DMM support])
fi

AC_ARG_ENABLE(fx2lafw, AC_HELP_STRING([--enable-fx2lafw],
	      [enable fx2lafw support (for FX2 LAs). [default=yes]]),
	      [LA_FX2LAFW="$enableval"],
	      [LA_FX2LAFW=yes])
AM_CONDITIONAL(LA_FX2LAFW, test x$LA_FX2LAFW = xyes)
if test "x$LA_FX2LAFW" = "xyes"; then
	AC_DEFINE(HAVE_LA_FX2LAFW, 1, [fx2lafw support])
fi

AC_ARG_ENABLE(hantek-dso, AC_HELP_STRING([--enable-hantek-dso],
	      [enable Hantek DSO support [default=yes]]),
	      [HW_HANTEK_DSO="$enableval"],
	      [HW_HANTEK_DSO=yes])
AM_CONDITIONAL(HW_HANTEK_DSO, test x$HW_HANTEK_DSO = xyes)
if test "x$HW_HANTEK_DSO" = "xyes"; then
	AC_DEFINE(HAVE_HW_HANTEK_DSO, 1, [Hantek DSO support])
fi

# Disabled by default, unfinished.
AC_ARG_ENABLE(lascar-el-usb, AC_HELP_STRING([--enable-lascar-el-usb],
	[enable Lascar EL-USB support [default=yes]]),
	[HW_LASCAR_EL_USB="$enableval"],
	[HW_LASCAR_EL_USB=yes])
AM_CONDITIONAL(HW_LASCAR_EL_USB, test x$HW_LASCAR_EL_USB = xyes)
if test "x$HW_LASCAR_EL_USB" = "xyes"; then
	AC_DEFINE(HAVE_HW_LASCAR_EL_USB, 1, [Lascar EL-USB support])
fi

AC_ARG_ENABLE(link-mso19, AC_HELP_STRING([--enable-link-mso19],
	      [enable Link Instruments MSO-19 support [default=no]]),
	      [LA_LINK_MSO19="$enableval"],
	      [LA_LINK_MSO19=no])
AM_CONDITIONAL(LA_LINK_MSO19, test x$LA_LINK_MSO19 = xyes)
if test "x$LA_LINK_MSO19" = "xyes"; then
	AC_DEFINE(HAVE_LA_LINK_MSO19, 1, [Link Instruments MSO-19 support])
fi

AC_ARG_ENABLE(ols, AC_HELP_STRING([--enable-ols],
	      [enable OpenBench Logic Sniffer (OLS) support [default=yes]]),
	      [LA_OLS="$enableval"],
	      [LA_OLS=yes])
AM_CONDITIONAL(LA_OLS, test x$LA_OLS = xyes)
if test "x$LA_OLS" = "xyes"; then
	AC_DEFINE(HAVE_LA_OLS, 1, [OpenBench Logic Sniffer (OLS) support])
fi

AC_ARG_ENABLE(serial-dmm, AC_HELP_STRING([--enable-serial-dmm],
	      [enable serial DMM support [default=yes]]),
	      [HW_SERIAL_DMM="$enableval"],
	      [HW_SERIAL_DMM=yes])
AM_CONDITIONAL(HW_SERIAL_DMM, test x$HW_SERIAL_DMM = xyes)
if test "x$HW_SERIAL_DMM" = "xyes"; then
	AC_DEFINE(HAVE_HW_SERIAL_DMM, 1, [Serial DMM support])
fi

AC_ARG_ENABLE(tondaj-sl-814, AC_HELP_STRING([--enable-tondaj-sl-814],
	[enable Tondaj SL-814 support [default=yes]]),
	[HW_TONDAJ_SL_814="$enableval"],
	[HW_TONDAJ_SL_814=yes])
AM_CONDITIONAL(HW_TONDAJ_SL_814, test x$HW_TONDAJ_SL_814 = xyes)
if test "x$HW_TONDAJ_SL_814" = "xyes"; then
	AC_DEFINE(HAVE_HW_TONDAJ_SL_814, 1, [Tondaj SL-814 support])
fi

AC_ARG_ENABLE(uni-t-dmm, AC_HELP_STRING([--enable-uni-t-dmm],
	      [enable UNI-T DMM support [default=yes]]),
	      [HW_UNI_T_DMM="$enableval"],
	      [HW_UNI_T_DMM=yes])
AM_CONDITIONAL(HW_UNI_T_DMM, test x$HW_UNI_T_DMM = xyes)
if test "x$HW_UNI_T_DMM" = "xyes"; then
	AC_DEFINE(HAVE_HW_UNI_T_DMM, 1, [UNI-T DMM support])
fi

AC_ARG_ENABLE(victor-dmm, AC_HELP_STRING([--enable-victor-dmm],
	[enable victor-dmm support [default=yes]]),
	[HW_VICTOR_DMM="$enableval"],
	[HW_VICTOR_DMM=yes])
AM_CONDITIONAL(HW_VICTOR_DMM, test x$HW_VICTOR_DMM = xyes)
if test "x$HW_VICTOR_DMM" = "xyes"; then
	AC_DEFINE(HAVE_HW_VICTOR_DMM, 1, [victor-dmm support])
fi

AC_ARG_ENABLE(zeroplus-logic-cube,
	      AC_HELP_STRING([--enable-zeroplus-logic-cube],
	      [enable ZEROPLUS Logic Cube support [default=yes]]),
	      [LA_ZEROPLUS_LOGIC_CUBE="$enableval"],
	      [LA_ZEROPLUS_LOGIC_CUBE=yes])
AM_CONDITIONAL(LA_ZEROPLUS_LOGIC_CUBE, test x$LA_ZEROPLUS_LOGIC_CUBE = xyes)
if test "x$LA_ZEROPLUS_LOGIC_CUBE" = "xyes"; then
	AC_DEFINE(HAVE_LA_ZEROPLUS_LOGIC_CUBE, 1, [ZEROPLUS Logic Cube support])
fi

# Checks for libraries.

# This variable collects the pkg-config names of all detected libs.
# It is then used to construct the "Requires.private:" field in the
# libsigrok.pc file.
SR_PKGLIBS=""

# libglib-2.0 is always needed.
# Note: glib-2.0 is part of the libsigrok API (hard pkg-config requirement).
AM_PATH_GLIB_2_0([2.28.0],
	[CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])

# libgthread-2.0 is always needed (e.g. for the demo hardware driver).
PKG_CHECK_MODULES([gthread], [gthread-2.0 >= 2.22.0],
	[CFLAGS="$CFLAGS $gthread_CFLAGS"; LIBS="$LIBS $gthread_LIBS";
	SR_PKGLIBS="$SR_PKGLIBS gthread-2.0"])

# libusb-1.0 is only needed for some hardware drivers.
if test "x$LA_ASIX_SIGMA" != xno \
   -o "x$LA_CHRONOVU_LA8" != xno \
   -o "x$LA_FX2LAFW" != xno \
   -o "x$HW_HANTEK_DSO" != xno \
   -o "x$LA_ZEROPLUS_LOGIC_CUBE" != xno; then
	case "$build" in
	*freebsd*)
		# FreeBSD comes with an "integrated" libusb-1.0-style USB API.
		AC_DEFINE_UNQUOTED(HAVE_LIBUSB_1_0, [1],
			[Specifies whether we have a libusb.h header.])
		;;
	*)
		PKG_CHECK_MODULES([libusb], [libusb-1.0 >= 1.0.9],
			[CFLAGS="$CFLAGS $libusb_CFLAGS";
			LIBS="$LIBS $libusb_LIBS";
			SR_PKGLIBS="$SR_PKGLIBS libusb-1.0"])
		# Define HAVE_LIBUSB_1_0 in config.h if we found libusb-1.0.
		if test "x$libusb_CFLAGS" != "x"; then
			AC_DEFINE_UNQUOTED(HAVE_LIBUSB_1_0, [1],
				[Specifies whether we have a libusb.h header.])
		fi
		;;
	esac
fi

# libzip is always needed.
PKG_CHECK_MODULES([libzip], [libzip >= 0.8],
	[CFLAGS="$CFLAGS $libzip_CFLAGS"; LIBS="$LIBS $libzip_LIBS";
	SR_PKGLIBS="$SR_PKGLIBS libzip"])

# libftdi is only needed for some hardware drivers.
if test "x$LA_ASIX_SIGMA" != xno \
     -o "x$LA_CHRONOVU_LA8" != xno; then
	PKG_CHECK_MODULES([libftdi], [libftdi >= 0.16],
		[CFLAGS="$CFLAGS $libftdi_CFLAGS";
		LIBS="$LIBS $libftdi_LIBS";
		SR_PKGLIBS="$SR_PKGLIBS libftdi"])
fi

# libudev is only needed for some hardware drivers.
if test "x$LA_LINK_MSO19" != xno; then
	PKG_CHECK_MODULES([libudev], [libudev >= 151],
		[CFLAGS="$CFLAGS $libudev_CFLAGS"; LIBS="$LIBS $libudev_LIBS";
		SR_PKGLIBS="$SR_PKGLIBS libudev"])
fi

# ALSA is only needed for some hardware drivers.
if test "x$HW_ALSA" != xno; then
	PKG_CHECK_MODULES([alsa], [alsa >= 1.0],
		[CFLAGS="$CFLAGS $alsa_CFLAGS"; LIBS="$LIBS $alsa_LIBS";
		SR_PKGLIBS="$SR_PKGLIBS alsa"])
fi

# EZUSB FX2 firmware helper code is only needed for some hardware drivers.
AM_CONDITIONAL(NEED_EZUSB, \
	test "x$LA_FX2LAFW" != xno \
	-o "x$HW_HANTEK_DSO" != xno \
)

# Serial port helper code is only needed for some hardware drivers.
AM_CONDITIONAL(NEED_SERIAL, \
	test "x$HW_AGILENT_DMM" != xno \
	-o "x$HW_COLEAD_SLM" != xno \
	-o "x$HW_FLUKE_DMM" != xno \
	-o "x$LA_LINK_MSO19" != xno \
	-o "x$LA_OLS" != xno \
	-o "x$HW_SERIAL_DMM" != xno \
	-o "x$HW_TONDAJ_SL_814" != xno \
)

AC_SUBST(SR_PKGLIBS)

# Checks for header files.
# These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
AC_CHECK_HEADERS([fcntl.h sys/time.h termios.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_INT8_T
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_SIZE_T

# Checks for library functions.
AC_CHECK_FUNCS([gettimeofday memset strchr strcspn strdup strerror strncasecmp strstr strtol strtoul strtoull])

AC_SUBST(FIRMWARE_DIR, "$datadir/sigrok-firmware")
AC_SUBST(MAKEFLAGS, '--no-print-directory')
AC_SUBST(AM_LIBTOOLFLAGS, '--silent')

SR_PACKAGE_VERSION_MAJOR=sr_package_version_major
SR_PACKAGE_VERSION_MINOR=sr_package_version_minor
SR_PACKAGE_VERSION_MICRO=sr_package_version_micro
SR_PACKAGE_VERSION=sr_package_version

AC_SUBST(SR_PACKAGE_VERSION_MAJOR)
AC_SUBST(SR_PACKAGE_VERSION_MINOR)
AC_SUBST(SR_PACKAGE_VERSION_MICRO)
AC_SUBST(SR_PACKAGE_VERSION)

AC_CONFIG_FILES([Makefile version.h hardware/Makefile
		 hardware/agilent-dmm/Makefile
		 hardware/alsa/Makefile
		 hardware/asix-sigma/Makefile
		 hardware/chronovu-la8/Makefile
		 hardware/colead-slm/Makefile
		 hardware/common/Makefile
		 hardware/lascar-el-usb/Makefile
		 hardware/tondaj-sl-814/Makefile
		 hardware/victor-dmm/Makefile
		 hardware/common/dmm/Makefile
		 hardware/demo/Makefile
		 hardware/fluke-dmm/Makefile
		 hardware/fx2lafw/Makefile
		 hardware/hantek-dso/Makefile
		 hardware/link-mso19/Makefile
		 hardware/openbench-logic-sniffer/Makefile
		 hardware/serial-dmm/Makefile
		 hardware/uni-t-dmm/Makefile
		 hardware/zeroplus-logic-cube/Makefile
		 input/Makefile
		 output/Makefile
		 output/text/Makefile
		 libsigrok.pc
		 contrib/Makefile
		])

AC_OUTPUT

echo
echo "libsigrok configuration summary:"
echo
echo "  - Package version (major.minor.micro):    $SR_PACKAGE_VERSION"
echo "  - Library version (current:revision:age): $SR_LIB_VERSION"
echo "  - Prefix: $prefix"
echo
echo "Detected libraries:"
echo

# Note: This only works for libs with pkg-config integration.
for lib in "glib-2.0" "gthread-2.0" "libusb-1.0" "libzip" "libftdi" "libudev" "alsa"; do
	if `$PKG_CONFIG --exists $lib`; then
		ver=`$PKG_CONFIG --modversion $lib`
		answer="yes ($ver)"
	else
		answer="no"
	fi
	echo "  - $lib: $answer"
done

echo -e "\nEnabled hardware drivers:\n"
echo "  - Agilent DMM..................... $HW_AGILENT_DMM"
echo "  - ALSA............................ $HW_ALSA"
echo "  - ASIX SIGMA/SIGMA2............... $LA_ASIX_SIGMA"
echo "  - ChronoVu LA8.................... $LA_CHRONOVU_LA8"
echo "  - Colead SLM...................... $HW_COLEAD_SLM"
echo "  - Demo driver..................... $LA_DEMO"
echo "  - Fluke DMM....................... $HW_FLUKE_DMM"
echo "  - fx2lafw (for FX2 LAs)........... $LA_FX2LAFW"
echo "  - Hantek DSO...................... $HW_HANTEK_DSO"
echo "  - Lascar EL-USB................... $HW_LASCAR_EL_USB"
echo "  - Link MSO-19..................... $LA_LINK_MSO19"
echo "  - Openbench Logic Sniffer......... $LA_OLS"
echo "  - Serial DMM...................... $HW_SERIAL_DMM"
echo "  - Tondaj SL-814................... $HW_TONDAJ_SL_814"
echo "  - UNI-T DMM....................... $HW_UNI_T_DMM"
echo "  - Victor DMM...................... $HW_VICTOR_DMM"
echo "  - ZEROPLUS Logic Cube............. $LA_ZEROPLUS_LOGIC_CUBE"
echo
Commit	Line	Data
826938d8 UH	1	##
	2	## This file is part of the sigrok project.
	3	##
c73d2ea4	4	## Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
d375b3c3	5	## Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
826938d8 UH	6	##
	7	## This program is free software: you can redistribute it and/or modify
	8	## it under the terms of the GNU General Public License as published by
	9	## the Free Software Foundation, either version 3 of the License, or
	10	## (at your option) any later version.
	11	##
	12	## This program is distributed in the hope that it will be useful,
	13	## but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	## GNU General Public License for more details.
	16	##
	17	## You should have received a copy of the GNU General Public License
	18	## along with this program. If not, see <http://www.gnu.org/licenses/>.
	19	##
	20
ef7228ba UH	21	# We require at least autoconf 2.63 (AC_INIT format changed there).
ef7228ba UH	22	AC_PREREQ([2.63])
826938d8	23
3af71f0d	24	# libsigrok package version number (NOT the same as shared lib version!).
6dddd902	25	m4_define([sr_package_version_major], [0])
63298404 UH	26	m4_define([sr_package_version_minor], [2])
63298404 UH	27	m4_define([sr_package_version_micro], [0])
6dddd902	28	m4_define([sr_package_version], [sr_package_version_major.sr_package_version_minor.sr_package_version_micro])
826938d8	29
6dddd902	30	AC_INIT([libsigrok], [sr_package_version], [sigrok-devel@lists.sourceforge.net],
db8ae7b9	31	[libsigrok], [http://www.sigrok.org])
826938d8	32	AC_CONFIG_HEADER([config.h])
d8521c93 UH	33	AC_CONFIG_MACRO_DIR([autostuff])
d8521c93 UH	34	AC_CONFIG_AUX_DIR([autostuff])
826938d8	35
ef7228ba UH	36	# We require at least automake 1.11 (needed for 'silent rules').
ef7228ba UH	37	AM_INIT_AUTOMAKE([1.11 -Wall -Werror foreign std-options])
826938d8	38	m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
432e5e95	39	m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
826938d8	40
6dddd902 UH	41	AH_TOP([#ifndef SR_CONFIG_H
	42	#define SR_CONFIG_H /* To stop multiple inclusions. */])
	43	AH_BOTTOM([#endif /* SR_CONFIG_H */])
826938d8	44
1a081ca6 UH	45	# Enable more compiler warnings via -Wall and -Wextra. Add -fvisibility=hidden
	46	# and enforce use of SR_API to explicitly mark all public API functions.
	47	CFLAGS="-g -Wall -Wextra -fvisibility=hidden"
826938d8 UH	48
	49	# Checks for programs.
	50	AC_PROG_CXX
	51	AC_PROG_CC
	52	AC_PROG_CPP
	53	AC_PROG_INSTALL
	54	AC_PROG_LN_S
	55
	56	# Initialize libtool.
	57	LT_INIT
	58
	59	# Initialize pkg-config.
	60	# We require at least 0.22, as "Requires.private" behaviour changed there.
	61	PKG_PROG_PKG_CONFIG([0.22])
	62
3af71f0d	63	# Library version for libsigrok (NOT the same as the package version).
826938d8 UH	64	# Carefully read the libtool docs before updating these numbers!
	65	# The algorithm for determining which number to change (and how) is nontrivial!
	66	# http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
44fc870c	67	SR_LIB_VERSION_CURRENT=2
6dddd902 UH	68	SR_LIB_VERSION_REVISION=0
	69	SR_LIB_VERSION_AGE=0
	70	SR_LIB_VERSION="$SR_LIB_VERSION_CURRENT:$SR_LIB_VERSION_REVISION:$SR_LIB_VERSION_AGE"
	71	SR_LIB_LDFLAGS="-version-info $SR_LIB_VERSION"
	72	AC_SUBST(SR_LIB_VERSION_CURRENT)
	73	AC_SUBST(SR_LIB_VERSION_REVISION)
	74	AC_SUBST(SR_LIB_VERSION_AGE)
	75	AC_SUBST(SR_LIB_VERSION)
	76	AC_SUBST(SR_LIB_LDFLAGS)
826938d8	77
7c1cb432	78	# Hardware support '--enable' options.
826938d8	79
6ac0db19	80	AC_ARG_ENABLE(agilent-dmm, AC_HELP_STRING([--enable-agilent-dmm],
6f669a68	81	[enable Agilent DMM support [default=yes]]),
6ac0db19	82	[HW_AGILENT_DMM="$enableval"],
7c1cb432	83	[HW_AGILENT_DMM=yes])
6ac0db19 BV	84	AM_CONDITIONAL(HW_AGILENT_DMM, test x$HW_AGILENT_DMM = xyes)
6ac0db19 BV	85	if test "x$HW_AGILENT_DMM" = "xyes"; then
9eb2bb96	86	AC_DEFINE(HAVE_HW_AGILENT_DMM, 1, [Agilent DMM support])
6ac0db19 BV	87	fi
6ac0db19 BV	88
826938d8	89	AC_ARG_ENABLE(alsa, AC_HELP_STRING([--enable-alsa],
0254651d UH	90	[enable ALSA driver support [default=yes]]),
	91	[HW_ALSA="$enableval"],
	92	[HW_ALSA=yes])
	93	AM_CONDITIONAL(HW_ALSA, test x$HW_ALSA = xyes)
	94	if test "x$HW_ALSA" = "xyes"; then
	95	AC_DEFINE(HAVE_HW_ALSA, 1, [ALSA driver support])
826938d8 UH	96	fi
	97
	98	AC_ARG_ENABLE(asix-sigma, AC_HELP_STRING([--enable-asix-sigma],
6352d030	99	[enable ASIX SIGMA/SIGMA2 support [default=yes]]),
826938d8 UH	100	[LA_ASIX_SIGMA="$enableval"],
	101	[LA_ASIX_SIGMA=yes])
	102	AM_CONDITIONAL(LA_ASIX_SIGMA, test x$LA_ASIX_SIGMA = xyes)
	103	if test "x$LA_ASIX_SIGMA" = "xyes"; then
6352d030	104	AC_DEFINE(HAVE_LA_ASIX_SIGMA, 1, [ASIX SIGMA/SIGMA2 support])
826938d8 UH	105	fi
	106
	107	AC_ARG_ENABLE(chronovu-la8, AC_HELP_STRING([--enable-chronovu-la8],
	108	[enable ChronoVu LA8 support [default=yes]]),
	109	[LA_CHRONOVU_LA8="$enableval"],
	110	[LA_CHRONOVU_LA8=yes])
	111	AM_CONDITIONAL(LA_CHRONOVU_LA8, test x$LA_CHRONOVU_LA8 = xyes)
	112	if test "x$LA_CHRONOVU_LA8" = "xyes"; then
	113	AC_DEFINE(HAVE_LA_CHRONOVU_LA8, 1, [ChronoVu LA8 support])
	114	fi
	115
4d729ddc BV	116	AC_ARG_ENABLE(colead-slm, AC_HELP_STRING([--enable-colead-slm],
	117	[enable Colead SLM support [default=yes]]),
	118	[HW_COLEAD_SLM="$enableval"],
	119	[HW_COLEAD_SLM=yes])
	120	AM_CONDITIONAL(HW_COLEAD_SLM, test x$HW_COLEAD_SLM = xyes)
	121	if test "x$HW_COLEAD_SLM" = "xyes"; then
	122	AC_DEFINE(HAVE_HW_COLEAD_SLM, 1, [Colead SLM support])
	123	fi
	124
589a1013 BV	125	AC_ARG_ENABLE(demo, AC_HELP_STRING([--enable-demo],
	126	[enable demo driver support [default=yes]]),
	127	[LA_DEMO="$enableval"],
	128	[LA_DEMO=yes])
	129	AM_CONDITIONAL(LA_DEMO, test x$LA_DEMO = xyes)
	130	if test "x$LA_DEMO" = "xyes"; then
	131	AC_DEFINE(HAVE_LA_DEMO, 1, [Demo driver support])
	132	fi
	133
883a2e9e	134	AC_ARG_ENABLE(fluke-dmm, AC_HELP_STRING([--enable-fluke-dmm],
9eb2bb96	135	[enable Fluke DMM support [default=yes]]),
883a2e9e BV	136	[HW_FLUKE_DMM="$enableval"],
	137	[HW_FLUKE_DMM=yes])
	138	AM_CONDITIONAL(HW_FLUKE_DMM, test x$HW_FLUKE_DMM = xyes)
	139	if test "x$HW_FLUKE_DMM" = "xyes"; then
	140	AC_DEFINE(HAVE_HW_FLUKE_DMM, 1, [Fluke DMM support])
	141	fi
	142
f302a082	143	AC_ARG_ENABLE(fx2lafw, AC_HELP_STRING([--enable-fx2lafw],
5d4fb4fc	144	[enable fx2lafw support (for FX2 LAs). [default=yes]]),
f302a082	145	[LA_FX2LAFW="$enableval"],
d56ee265	146	[LA_FX2LAFW=yes])
f302a082 JH	147	AM_CONDITIONAL(LA_FX2LAFW, test x$LA_FX2LAFW = xyes)
	148	if test "x$LA_FX2LAFW" = "xyes"; then
	149	AC_DEFINE(HAVE_LA_FX2LAFW, 1, [fx2lafw support])
	150	fi
	151
9eb2bb96	152	AC_ARG_ENABLE(hantek-dso, AC_HELP_STRING([--enable-hantek-dso],
589a1013 BV	153	[enable Hantek DSO support [default=yes]]),
	154	[HW_HANTEK_DSO="$enableval"],
	155	[HW_HANTEK_DSO=yes])
	156	AM_CONDITIONAL(HW_HANTEK_DSO, test x$HW_HANTEK_DSO = xyes)
	157	if test "x$HW_HANTEK_DSO" = "xyes"; then
	158	AC_DEFINE(HAVE_HW_HANTEK_DSO, 1, [Hantek DSO support])
826938d8 UH	159	fi
	160
	161	# Disabled by default, unfinished.
46697e38 BV	162	AC_ARG_ENABLE(lascar-el-usb, AC_HELP_STRING([--enable-lascar-el-usb],
	163	[enable Lascar EL-USB support [default=yes]]),
	164	[HW_LASCAR_EL_USB="$enableval"],
	165	[HW_LASCAR_EL_USB=yes])
	166	AM_CONDITIONAL(HW_LASCAR_EL_USB, test x$HW_LASCAR_EL_USB = xyes)
	167	if test "x$HW_LASCAR_EL_USB" = "xyes"; then
	168	AC_DEFINE(HAVE_HW_LASCAR_EL_USB, 1, [Lascar EL-USB support])
	169	fi
	170
826938d8 UH	171	AC_ARG_ENABLE(link-mso19, AC_HELP_STRING([--enable-link-mso19],
	172	[enable Link Instruments MSO-19 support [default=no]]),
	173	[LA_LINK_MSO19="$enableval"],
	174	[LA_LINK_MSO19=no])
	175	AM_CONDITIONAL(LA_LINK_MSO19, test x$LA_LINK_MSO19 = xyes)
	176	if test "x$LA_LINK_MSO19" = "xyes"; then
	177	AC_DEFINE(HAVE_LA_LINK_MSO19, 1, [Link Instruments MSO-19 support])
	178	fi
	179
	180	AC_ARG_ENABLE(ols, AC_HELP_STRING([--enable-ols],
	181	[enable OpenBench Logic Sniffer (OLS) support [default=yes]]),
	182	[LA_OLS="$enableval"],
	183	[LA_OLS=yes])
	184	AM_CONDITIONAL(LA_OLS, test x$LA_OLS = xyes)
	185	if test "x$LA_OLS" = "xyes"; then
	186	AC_DEFINE(HAVE_LA_OLS, 1, [OpenBench Logic Sniffer (OLS) support])
	187	fi
	188
21a7f269 UH	189	AC_ARG_ENABLE(serial-dmm, AC_HELP_STRING([--enable-serial-dmm],
	190	[enable serial DMM support [default=yes]]),
	191	[HW_SERIAL_DMM="$enableval"],
	192	[HW_SERIAL_DMM=yes])
	193	AM_CONDITIONAL(HW_SERIAL_DMM, test x$HW_SERIAL_DMM = xyes)
	194	if test "x$HW_SERIAL_DMM" = "xyes"; then
	195	AC_DEFINE(HAVE_HW_SERIAL_DMM, 1, [Serial DMM support])
7dc55d93 AG	196	fi
7dc55d93 AG	197
aa2af324 UH	198	AC_ARG_ENABLE(tondaj-sl-814, AC_HELP_STRING([--enable-tondaj-sl-814],
	199	[enable Tondaj SL-814 support [default=yes]]),
	200	[HW_TONDAJ_SL_814="$enableval"],
	201	[HW_TONDAJ_SL_814=yes])
	202	AM_CONDITIONAL(HW_TONDAJ_SL_814, test x$HW_TONDAJ_SL_814 = xyes)
	203	if test "x$HW_TONDAJ_SL_814" = "xyes"; then
	204	AC_DEFINE(HAVE_HW_TONDAJ_SL_814, 1, [Tondaj SL-814 support])
	205	fi
	206
79081ec8 UH	207	AC_ARG_ENABLE(uni-t-dmm, AC_HELP_STRING([--enable-uni-t-dmm],
	208	[enable UNI-T DMM support [default=yes]]),
	209	[HW_UNI_T_DMM="$enableval"],
	210	[HW_UNI_T_DMM=yes])
	211	AM_CONDITIONAL(HW_UNI_T_DMM, test x$HW_UNI_T_DMM = xyes)
	212	if test "x$HW_UNI_T_DMM" = "xyes"; then
	213	AC_DEFINE(HAVE_HW_UNI_T_DMM, 1, [UNI-T DMM support])
	214	fi
	215
ac3898d2 BV	216	AC_ARG_ENABLE(victor-dmm, AC_HELP_STRING([--enable-victor-dmm],
	217	[enable victor-dmm support [default=yes]]),
	218	[HW_VICTOR_DMM="$enableval"],
	219	[HW_VICTOR_DMM=yes])
	220	AM_CONDITIONAL(HW_VICTOR_DMM, test x$HW_VICTOR_DMM = xyes)
	221	if test "x$HW_VICTOR_DMM" = "xyes"; then
	222	AC_DEFINE(HAVE_HW_VICTOR_DMM, 1, [victor-dmm support])
	223	fi
	224
826938d8 UH	225	AC_ARG_ENABLE(zeroplus-logic-cube,
826938d8 UH	226	AC_HELP_STRING([--enable-zeroplus-logic-cube],
8fdecced	227	[enable ZEROPLUS Logic Cube support [default=yes]]),
826938d8 UH	228	[LA_ZEROPLUS_LOGIC_CUBE="$enableval"],
	229	[LA_ZEROPLUS_LOGIC_CUBE=yes])
	230	AM_CONDITIONAL(LA_ZEROPLUS_LOGIC_CUBE, test x$LA_ZEROPLUS_LOGIC_CUBE = xyes)
	231	if test "x$LA_ZEROPLUS_LOGIC_CUBE" = "xyes"; then
8fdecced	232	AC_DEFINE(HAVE_LA_ZEROPLUS_LOGIC_CUBE, 1, [ZEROPLUS Logic Cube support])
826938d8 UH	233	fi
	234
	235	# Checks for libraries.
	236
	237	# This variable collects the pkg-config names of all detected libs.
	238	# It is then used to construct the "Requires.private:" field in the
	239	# libsigrok.pc file.
6dddd902	240	SR_PKGLIBS=""
826938d8 UH	241
	242	# libglib-2.0 is always needed.
	243	# Note: glib-2.0 is part of the libsigrok API (hard pkg-config requirement).
7f64e88f	244	AM_PATH_GLIB_2_0([2.28.0],
826938d8 UH	245	[CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])
	246
	247	# libgthread-2.0 is always needed (e.g. for the demo hardware driver).
	248	PKG_CHECK_MODULES([gthread], [gthread-2.0 >= 2.22.0],
	249	[CFLAGS="$CFLAGS $gthread_CFLAGS"; LIBS="$LIBS $gthread_LIBS";
6dddd902	250	SR_PKGLIBS="$SR_PKGLIBS gthread-2.0"])
826938d8	251
17dfb2c3	252	# libusb-1.0 is only needed for some hardware drivers.
824b1a8f	253	if test "x$LA_ASIX_SIGMA" != xno \
826938d8	254	-o "x$LA_CHRONOVU_LA8" != xno \
ef2345bc BV	255	-o "x$LA_FX2LAFW" != xno \
	256	-o "x$HW_HANTEK_DSO" != xno \
	257	-o "x$LA_ZEROPLUS_LOGIC_CUBE" != xno; then
826938d8 UH	258	case "$build" in
	259	freebsd)
	260	# FreeBSD comes with an "integrated" libusb-1.0-style USB API.
	261	AC_DEFINE_UNQUOTED(HAVE_LIBUSB_1_0, [1],
	262	[Specifies whether we have a libusb.h header.])
	263	;;
	264	*)
d11d6066	265	PKG_CHECK_MODULES([libusb], [libusb-1.0 >= 1.0.9],
826938d8 UH	266	[CFLAGS="$CFLAGS $libusb_CFLAGS";
826938d8 UH	267	LIBS="$LIBS $libusb_LIBS";
6dddd902	268	SR_PKGLIBS="$SR_PKGLIBS libusb-1.0"])
17dfb2c3 UH	269	# Define HAVE_LIBUSB_1_0 in config.h if we found libusb-1.0.
	270	if test "x$libusb_CFLAGS" != "x"; then
	271	AC_DEFINE_UNQUOTED(HAVE_LIBUSB_1_0, [1],
	272	[Specifies whether we have a libusb.h header.])
	273	fi
826938d8 UH	274	;;
	275	esac
	276	fi
	277
	278	# libzip is always needed.
	279	PKG_CHECK_MODULES([libzip], [libzip >= 0.8],
	280	[CFLAGS="$CFLAGS $libzip_CFLAGS"; LIBS="$LIBS $libzip_LIBS";
6dddd902	281	SR_PKGLIBS="$SR_PKGLIBS libzip"])
826938d8	282
826938d8 UH	283	# libftdi is only needed for some hardware drivers.
	284	if test "x$LA_ASIX_SIGMA" != xno \
	285	-o "x$LA_CHRONOVU_LA8" != xno; then
	286	PKG_CHECK_MODULES([libftdi], [libftdi >= 0.16],
	287	[CFLAGS="$CFLAGS $libftdi_CFLAGS";
	288	LIBS="$LIBS $libftdi_LIBS";
6dddd902	289	SR_PKGLIBS="$SR_PKGLIBS libftdi"])
826938d8 UH	290	fi
	291
	292	# libudev is only needed for some hardware drivers.
	293	if test "x$LA_LINK_MSO19" != xno; then
	294	PKG_CHECK_MODULES([libudev], [libudev >= 151],
	295	[CFLAGS="$CFLAGS $libudev_CFLAGS"; LIBS="$LIBS $libudev_LIBS";
6dddd902	296	SR_PKGLIBS="$SR_PKGLIBS libudev"])
826938d8 UH	297	fi
	298
	299	# ALSA is only needed for some hardware drivers.
0254651d	300	if test "x$HW_ALSA" != xno; then
826938d8 UH	301	PKG_CHECK_MODULES([alsa], [alsa >= 1.0],
826938d8 UH	302	[CFLAGS="$CFLAGS $alsa_CFLAGS"; LIBS="$LIBS $alsa_LIBS";
6dddd902	303	SR_PKGLIBS="$SR_PKGLIBS alsa"])
826938d8 UH	304	fi
826938d8 UH	305
79081ec8	306	# EZUSB FX2 firmware helper code is only needed for some hardware drivers.
28b9dd18 BV	307	AM_CONDITIONAL(NEED_EZUSB, \
	308	test "x$LA_FX2LAFW" != xno \
	309	-o "x$HW_HANTEK_DSO" != xno \
	310	)
	311
79081ec8	312	# Serial port helper code is only needed for some hardware drivers.
28b9dd18	313	AM_CONDITIONAL(NEED_SERIAL, \
e42b82a6 UH	314	test "x$HW_AGILENT_DMM" != xno \
	315	-o "x$HW_COLEAD_SLM" != xno \
	316	-o "x$HW_FLUKE_DMM" != xno \
	317	-o "x$LA_LINK_MSO19" != xno \
	318	-o "x$LA_OLS" != xno \
21a7f269	319	-o "x$HW_SERIAL_DMM" != xno \
e42b82a6	320	-o "x$HW_TONDAJ_SL_814" != xno \
28b9dd18 BV	321	)
28b9dd18 BV	322
6dddd902	323	AC_SUBST(SR_PKGLIBS)
826938d8 UH	324
	325	# Checks for header files.
	326	# These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
	327	AC_CHECK_HEADERS([fcntl.h sys/time.h termios.h])
	328
	329	# Checks for typedefs, structures, and compiler characteristics.
	330	AC_C_INLINE
	331	AC_TYPE_INT8_T
	332	AC_TYPE_INT16_T
	333	AC_TYPE_INT32_T
	334	AC_TYPE_INT64_T
	335	AC_TYPE_UINT8_T
	336	AC_TYPE_UINT16_T
	337	AC_TYPE_UINT32_T
	338	AC_TYPE_UINT64_T
	339	AC_TYPE_SIZE_T
	340
	341	# Checks for library functions.
	342	AC_CHECK_FUNCS([gettimeofday memset strchr strcspn strdup strerror strncasecmp strstr strtol strtoul strtoull])
	343
fb6f1978	344	AC_SUBST(FIRMWARE_DIR, "$datadir/sigrok-firmware")
826938d8 UH	345	AC_SUBST(MAKEFLAGS, '--no-print-directory')
	346	AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
	347
6dddd902 UH	348	SR_PACKAGE_VERSION_MAJOR=sr_package_version_major
	349	SR_PACKAGE_VERSION_MINOR=sr_package_version_minor
	350	SR_PACKAGE_VERSION_MICRO=sr_package_version_micro
	351	SR_PACKAGE_VERSION=sr_package_version
3af71f0d	352
6dddd902 UH	353	AC_SUBST(SR_PACKAGE_VERSION_MAJOR)
	354	AC_SUBST(SR_PACKAGE_VERSION_MINOR)
	355	AC_SUBST(SR_PACKAGE_VERSION_MICRO)
	356	AC_SUBST(SR_PACKAGE_VERSION)
3af71f0d	357
589a1013	358	AC_CONFIG_FILES([Makefile version.h hardware/Makefile
6ac0db19	359	hardware/agilent-dmm/Makefile
db8ae7b9 UH	360	hardware/alsa/Makefile
	361	hardware/asix-sigma/Makefile
	362	hardware/chronovu-la8/Makefile
4d729ddc	363	hardware/colead-slm/Makefile
db8ae7b9	364	hardware/common/Makefile
46697e38	365	hardware/lascar-el-usb/Makefile
aa2af324	366	hardware/tondaj-sl-814/Makefile
ac3898d2	367	hardware/victor-dmm/Makefile
79081ec8	368	hardware/common/dmm/Makefile
db8ae7b9	369	hardware/demo/Makefile
883a2e9e	370	hardware/fluke-dmm/Makefile
f302a082	371	hardware/fx2lafw/Makefile
589a1013	372	hardware/hantek-dso/Makefile
db8ae7b9 UH	373	hardware/link-mso19/Makefile
db8ae7b9 UH	374	hardware/openbench-logic-sniffer/Makefile
21a7f269	375	hardware/serial-dmm/Makefile
79081ec8	376	hardware/uni-t-dmm/Makefile
db8ae7b9 UH	377	hardware/zeroplus-logic-cube/Makefile
	378	input/Makefile
	379	output/Makefile
	380	output/text/Makefile
	381	libsigrok.pc
826938d8	382	contrib/Makefile
826938d8 UH	383	])
	384
	385	AC_OUTPUT
	386
	387	echo
45aed072	388	echo "libsigrok configuration summary:"
826938d8	389	echo
6dddd902 UH	390	echo " - Package version (major.minor.micro): $SR_PACKAGE_VERSION"
6dddd902 UH	391	echo " - Library version (current:revision:age): $SR_LIB_VERSION"
45aed072 UH	392	echo " - Prefix: $prefix"
	393	echo
	394	echo "Detected libraries:"
	395	echo
	396
	397	# Note: This only works for libs with pkg-config integration.
e210c6c0	398	for lib in "glib-2.0" "gthread-2.0" "libusb-1.0" "libzip" "libftdi" "libudev" "alsa"; do
45aed072 UH	399	if `$PKG_CONFIG --exists $lib`; then
	400	ver=`$PKG_CONFIG --modversion $lib`
	401	answer="yes ($ver)"
	402	else
	403	answer="no"
	404	fi
	405	echo " - $lib: $answer"
	406	done
	407
589a1013	408	echo -e "\nEnabled hardware drivers:\n"
6ac0db19	409	echo " - Agilent DMM..................... $HW_AGILENT_DMM"
0254651d	410	echo " - ALSA............................ $HW_ALSA"
6352d030	411	echo " - ASIX SIGMA/SIGMA2............... $LA_ASIX_SIGMA"
45aed072	412	echo " - ChronoVu LA8.................... $LA_CHRONOVU_LA8"
4d729ddc	413	echo " - Colead SLM...................... $HW_COLEAD_SLM"
45aed072	414	echo " - Demo driver..................... $LA_DEMO"
883a2e9e	415	echo " - Fluke DMM....................... $HW_FLUKE_DMM"
b5750520	416	echo " - fx2lafw (for FX2 LAs)........... $LA_FX2LAFW"
589a1013	417	echo " - Hantek DSO...................... $HW_HANTEK_DSO"
46697e38	418	echo " - Lascar EL-USB................... $HW_LASCAR_EL_USB"
45aed072 UH	419	echo " - Link MSO-19..................... $LA_LINK_MSO19"
45aed072 UH	420	echo " - Openbench Logic Sniffer......... $LA_OLS"
21a7f269	421	echo " - Serial DMM...................... $HW_SERIAL_DMM"
aa2af324	422	echo " - Tondaj SL-814................... $HW_TONDAJ_SL_814"
79081ec8	423	echo " - UNI-T DMM....................... $HW_UNI_T_DMM"
521a0cd3	424	echo " - Victor DMM...................... $HW_VICTOR_DMM"
8fdecced	425	echo " - ZEROPLUS Logic Cube............. $LA_ZEROPLUS_LOGIC_CUBE"
826938d8 UH	426	echo
826938d8 UH	427