[libsigrok.git] / configure.ac

##
## This file is part of the libsigrok 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([libsigrok4DSLogic], [sr_package_version], [support@dreamsourcelab.com],
	[libsigrok4DSLogic], [http://www.dreamsourcelab.com])
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 check-news color-tests])
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="$CFLAGS -Wall -Wextra -fvisibility=hidden"

# Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S

# Required for per-target flags or subdir-objects with C sources.
AM_PROG_CC_C_O

# 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=1
SR_LIB_VERSION_REVISION=2
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)

AC_ARG_ENABLE(all-drivers, AC_HELP_STRING([--enable-all-drivers],
        [enable all drivers by default [default=yes]]),
        [HW_ENABLED_DEFAULT="$enableval"],
        [HW_ENABLED_DEFAULT="yes"])

AC_ARG_ENABLE(demo, AC_HELP_STRING([--enable-demo],
	[enable demo driver support [default=yes]]),
	[HW_DEMO="$enableval"],
	[HW_DEMO=$HW_ENABLED_DEFAULT])
# Checks for libraries.

case "$host" in
*mingw*)
	# We need to link against the Winsock2 library for SCPI over TCP.
	LIBS="$LIBS -lws2_32";;
esac

# This variable collects the pkg-config names of all detected libs.
# It is then used to construct the "Requires.private:" field in the
# libsigrok4DSLogic.pc file.
SR_PKGLIBS=""

# libm (the standard math library) is always needed.
AC_SEARCH_LIBS([pow], [m])

# libglib-2.0 is always needed. Abort if it's not found.
# Note: glib-2.0 is part of the libsigrok API (hard pkg-config requirement).
# We require at least 2.32.0 due to e.g. g_variant_new_fixed_array().
AM_PATH_GLIB_2_0([2.32.0],
	[CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])

# libzip is always needed. Abort if it's not found.
PKG_CHECK_MODULES([libzip], [libzip >= 0.10],
	[CFLAGS="$CFLAGS $libzip_CFLAGS"; LIBS="$LIBS $libzip_LIBS";
	SR_PKGLIBS="$SR_PKGLIBS libzip"])

# libserialport is only needed for some hardware drivers. Disable the
# respective drivers if it is not found.
PKG_CHECK_MODULES([libserialport], [libserialport >= 0.1.0],
	[have_libserialport="yes"; CFLAGS="$CFLAGS $libserialport_CFLAGS";
	LIBS="$LIBS $libserialport_LIBS";
	SR_PKGLIBS="$SR_PKGLIBS libserialport"],
	[have_libserialport="no"])

# Define HAVE_LIBSERIALPORT in config.h if we found libserialport.
if test "x$have_libserialport" != "xno"; then
	AC_DEFINE_UNQUOTED(HAVE_LIBSERIALPORT, [1],
		[Specifies whether we have libserialport.])
fi

# Serial port helper code is only compiled in if libserialport was found.
AM_CONDITIONAL(NEED_SERIAL, test "x$have_libserialport" != xno)

# libusb-1.0 is only needed for some hardware drivers. Disable the respective
# drivers if it is not found.
case "$host" in
*freebsd*)
	# FreeBSD comes with an "integrated" libusb-1.0-style USB API.
	# This means libusb-1.0 is always available, no need to check for it,
	# and no need to (potentially) disable any drivers if it's not found.
	AC_DEFINE_UNQUOTED(HAVE_LIBUSB_1_0, [1],
		[Specifies whether we have a libusb.h header.])
	;;
*)
	PKG_CHECK_MODULES([libusb], [libusb-1.0 >= 1.0.9],
		[have_libusb1_0="yes"; CFLAGS="$CFLAGS $libusb_CFLAGS";
		LIBS="$LIBS $libusb_LIBS";
		SR_PKGLIBS="$SR_PKGLIBS libusb-1.0"],
		[have_libusb1_0="no"])

	# Define HAVE_LIBUSB_1_0 in config.h if we found libusb-1.0.
	if test "x$have_libusb1_0" != "xno"; then
		AC_DEFINE_UNQUOTED(HAVE_LIBUSB_1_0, [1],
			[Specifies whether we have a libusb.h header.])
	fi
	;;
esac


# The Check unit testing framework is optional. Disable if not found.
PKG_CHECK_MODULES([check], [check >= 0.9.4],
	[have_check="yes"; CFLAGS="$CFLAGS $check_CFLAGS";
	LIBS="$LIBS $check_LIBS"], [have_check="no"])
AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes")

# The OLS driver uses serial port file descriptors directly, and therefore
# will not currently work on Windows.


AC_SUBST(SR_PKGLIBS)

# Now set AM_CONDITIONALs and AC_DEFINEs for the enabled/disabled drivers.


AM_CONDITIONAL(HW_DEMO, test x$HW_DEMO = xyes)
if test "x$HW_DEMO" = "xyes"; then
	AC_DEFINE(HAVE_LA_DEMO, 1, [Demo driver support])
fi


# 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_BIGENDIAN
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/demo/Makefile
		 input/Makefile
		 output/Makefile
		 output/text/Makefile
		 libsigrok4DSLogic.pc
		 tests/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 "  - Building on: $build"
echo "  - Building for: $host"
echo
echo "Detected libraries:"
echo

# Note: This only works for libs with pkg-config integration.
for lib in "glib-2.0 >= 2.32.0" "libzip >= 0.10" "libserialport >= 0.1.0" "libusb-1.0 >= 1.0.9" "libftdi >= 0.16" "libudev >= 151" "alsa >= 1.0" "check >= 0.9.4"; 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 "  - demo............................ $HW_DEMO"
echo
Commit	Line	Data
	1	##
	2	## This file is part of the libsigrok project.
	3	##
	4	## Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
	5	## Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
	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
	21	# We require at least autoconf 2.63 (AC_INIT format changed there).
	22	AC_PREREQ([2.63])
	23
	24	# libsigrok package version number (NOT the same as shared lib version!).
	25	m4_define([sr_package_version_major], [0])
	26	m4_define([sr_package_version_minor], [2])
	27	m4_define([sr_package_version_micro], [0])
	28	m4_define([sr_package_version], [sr_package_version_major.sr_package_version_minor.sr_package_version_micro])
	29
	30	AC_INIT([libsigrok4DSLogic], [sr_package_version], [support@dreamsourcelab.com],
	31	[libsigrok4DSLogic], [http://www.dreamsourcelab.com])
	32	AC_CONFIG_HEADER([config.h])
	33	AC_CONFIG_MACRO_DIR([autostuff])
	34	AC_CONFIG_AUX_DIR([autostuff])
	35
	36	# We require at least automake 1.11 (needed for 'silent rules').
	37	AM_INIT_AUTOMAKE([1.11 -Wall -Werror check-news color-tests])
	38	m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
	39	m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
	40
	41	AH_TOP([#ifndef SR_CONFIG_H
	42	#define SR_CONFIG_H /* To stop multiple inclusions. */])
	43	AH_BOTTOM([#endif /* SR_CONFIG_H */])
	44
	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="$CFLAGS -Wall -Wextra -fvisibility=hidden"
	48
	49	# Checks for programs.
	50	AC_PROG_CC
	51	AC_PROG_CPP
	52	AC_PROG_INSTALL
	53	AC_PROG_LN_S
	54
	55	# Required for per-target flags or subdir-objects with C sources.
	56	AM_PROG_CC_C_O
	57
	58	# Initialize libtool.
	59	LT_INIT
	60
	61	# Initialize pkg-config.
	62	# We require at least 0.22, as "Requires.private" behaviour changed there.
	63	PKG_PROG_PKG_CONFIG([0.22])
	64
	65	# Library version for libsigrok (NOT the same as the package version).
	66	# Carefully read the libtool docs before updating these numbers!
	67	# The algorithm for determining which number to change (and how) is nontrivial!
	68	# http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
	69	SR_LIB_VERSION_CURRENT=1
	70	SR_LIB_VERSION_REVISION=2
	71	SR_LIB_VERSION_AGE=0
	72	SR_LIB_VERSION="$SR_LIB_VERSION_CURRENT:$SR_LIB_VERSION_REVISION:$SR_LIB_VERSION_AGE"
	73	SR_LIB_LDFLAGS="-version-info $SR_LIB_VERSION"
	74	AC_SUBST(SR_LIB_VERSION_CURRENT)
	75	AC_SUBST(SR_LIB_VERSION_REVISION)
	76	AC_SUBST(SR_LIB_VERSION_AGE)
	77	AC_SUBST(SR_LIB_VERSION)
	78	AC_SUBST(SR_LIB_LDFLAGS)
	79
	80	AC_ARG_ENABLE(all-drivers, AC_HELP_STRING([--enable-all-drivers],
	81	[enable all drivers by default [default=yes]]),
	82	[HW_ENABLED_DEFAULT="$enableval"],
	83	[HW_ENABLED_DEFAULT="yes"])
	84
	85	AC_ARG_ENABLE(demo, AC_HELP_STRING([--enable-demo],
	86	[enable demo driver support [default=yes]]),
	87	[HW_DEMO="$enableval"],
	88	[HW_DEMO=$HW_ENABLED_DEFAULT])
	89	# Checks for libraries.
	90
	91	case "$host" in
	92	mingw)
	93	# We need to link against the Winsock2 library for SCPI over TCP.
	94	LIBS="$LIBS -lws2_32";;
	95	esac
	96
	97	# This variable collects the pkg-config names of all detected libs.
	98	# It is then used to construct the "Requires.private:" field in the
	99	# libsigrok4DSLogic.pc file.
	100	SR_PKGLIBS=""
	101
	102	# libm (the standard math library) is always needed.
	103	AC_SEARCH_LIBS([pow], [m])
	104
	105	# libglib-2.0 is always needed. Abort if it's not found.
	106	# Note: glib-2.0 is part of the libsigrok API (hard pkg-config requirement).
	107	# We require at least 2.32.0 due to e.g. g_variant_new_fixed_array().
	108	AM_PATH_GLIB_2_0([2.32.0],
	109	[CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])
	110
	111	# libzip is always needed. Abort if it's not found.
	112	PKG_CHECK_MODULES([libzip], [libzip >= 0.10],
	113	[CFLAGS="$CFLAGS $libzip_CFLAGS"; LIBS="$LIBS $libzip_LIBS";
	114	SR_PKGLIBS="$SR_PKGLIBS libzip"])
	115
	116	# libserialport is only needed for some hardware drivers. Disable the
	117	# respective drivers if it is not found.
	118	PKG_CHECK_MODULES([libserialport], [libserialport >= 0.1.0],
	119	[have_libserialport="yes"; CFLAGS="$CFLAGS $libserialport_CFLAGS";
	120	LIBS="$LIBS $libserialport_LIBS";
	121	SR_PKGLIBS="$SR_PKGLIBS libserialport"],
	122	[have_libserialport="no"])
	123
	124	# Define HAVE_LIBSERIALPORT in config.h if we found libserialport.
	125	if test "x$have_libserialport" != "xno"; then
	126	AC_DEFINE_UNQUOTED(HAVE_LIBSERIALPORT, [1],
	127	[Specifies whether we have libserialport.])
	128	fi
	129
	130	# Serial port helper code is only compiled in if libserialport was found.
	131	AM_CONDITIONAL(NEED_SERIAL, test "x$have_libserialport" != xno)
	132
	133	# libusb-1.0 is only needed for some hardware drivers. Disable the respective
	134	# drivers if it is not found.
	135	case "$host" in
	136	freebsd)
	137	# FreeBSD comes with an "integrated" libusb-1.0-style USB API.
	138	# This means libusb-1.0 is always available, no need to check for it,
	139	# and no need to (potentially) disable any drivers if it's not found.
	140	AC_DEFINE_UNQUOTED(HAVE_LIBUSB_1_0, [1],
	141	[Specifies whether we have a libusb.h header.])
	142	;;
	143	*)
	144	PKG_CHECK_MODULES([libusb], [libusb-1.0 >= 1.0.9],
	145	[have_libusb1_0="yes"; CFLAGS="$CFLAGS $libusb_CFLAGS";
	146	LIBS="$LIBS $libusb_LIBS";
	147	SR_PKGLIBS="$SR_PKGLIBS libusb-1.0"],
	148	[have_libusb1_0="no"])
	149
	150	# Define HAVE_LIBUSB_1_0 in config.h if we found libusb-1.0.
	151	if test "x$have_libusb1_0" != "xno"; then
	152	AC_DEFINE_UNQUOTED(HAVE_LIBUSB_1_0, [1],
	153	[Specifies whether we have a libusb.h header.])
	154	fi
	155	;;
	156	esac
	157
	158
	159
	160	# The Check unit testing framework is optional. Disable if not found.
	161	PKG_CHECK_MODULES([check], [check >= 0.9.4],
	162	[have_check="yes"; CFLAGS="$CFLAGS $check_CFLAGS";
	163	LIBS="$LIBS $check_LIBS"], [have_check="no"])
	164	AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes")
	165
	166	# The OLS driver uses serial port file descriptors directly, and therefore
	167	# will not currently work on Windows.
	168
	169
	170	AC_SUBST(SR_PKGLIBS)
	171
	172	# Now set AM_CONDITIONALs and AC_DEFINEs for the enabled/disabled drivers.
	173
	174
	175
	176	AM_CONDITIONAL(HW_DEMO, test x$HW_DEMO = xyes)
	177	if test "x$HW_DEMO" = "xyes"; then
	178	AC_DEFINE(HAVE_LA_DEMO, 1, [Demo driver support])
	179	fi
	180
	181
	182
	183	# Checks for header files.
	184	# These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
	185	AC_CHECK_HEADERS([fcntl.h sys/time.h termios.h])
	186
	187	# Checks for typedefs, structures, and compiler characteristics.
	188	AC_C_BIGENDIAN
	189	AC_C_INLINE
	190	AC_TYPE_INT8_T
	191	AC_TYPE_INT16_T
	192	AC_TYPE_INT32_T
	193	AC_TYPE_INT64_T
	194	AC_TYPE_UINT8_T
	195	AC_TYPE_UINT16_T
	196	AC_TYPE_UINT32_T
	197	AC_TYPE_UINT64_T
	198	AC_TYPE_SIZE_T
	199
	200	# Checks for library functions.
	201	AC_CHECK_FUNCS([gettimeofday memset strchr strcspn strdup strerror strncasecmp strstr strtol strtoul strtoull])
	202
	203	AC_SUBST(FIRMWARE_DIR, "$datadir/sigrok-firmware")
	204	AC_SUBST(MAKEFLAGS, '--no-print-directory')
	205	AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
	206
	207	SR_PACKAGE_VERSION_MAJOR=sr_package_version_major
	208	SR_PACKAGE_VERSION_MINOR=sr_package_version_minor
	209	SR_PACKAGE_VERSION_MICRO=sr_package_version_micro
	210	SR_PACKAGE_VERSION=sr_package_version
	211
	212	AC_SUBST(SR_PACKAGE_VERSION_MAJOR)
	213	AC_SUBST(SR_PACKAGE_VERSION_MINOR)
	214	AC_SUBST(SR_PACKAGE_VERSION_MICRO)
	215	AC_SUBST(SR_PACKAGE_VERSION)
	216
	217	AC_CONFIG_FILES([Makefile version.h hardware/Makefile
	218	hardware/demo/Makefile
	219	input/Makefile
	220	output/Makefile
	221	output/text/Makefile
	222	libsigrok4DSLogic.pc
	223	tests/Makefile
	224	])
	225
	226	AC_OUTPUT
	227
	228	echo
	229	echo "libsigrok configuration summary:"
	230	echo
	231	echo " - Package version (major.minor.micro): $SR_PACKAGE_VERSION"
	232	echo " - Library version (current:revision:age): $SR_LIB_VERSION"
	233	echo " - Prefix: $prefix"
	234	echo " - Building on: $build"
	235	echo " - Building for: $host"
	236	echo
	237	echo "Detected libraries:"
	238	echo
	239
	240	# Note: This only works for libs with pkg-config integration.
	241	for lib in "glib-2.0 >= 2.32.0" "libzip >= 0.10" "libserialport >= 0.1.0" "libusb-1.0 >= 1.0.9" "libftdi >= 0.16" "libudev >= 151" "alsa >= 1.0" "check >= 0.9.4"; do
	242	if `$PKG_CONFIG --exists $lib`; then
	243	ver=`$PKG_CONFIG --modversion $lib`
	244	answer="yes ($ver)"
	245	else
	246	answer="no"
	247	fi
	248	echo " - $lib: $answer"
	249	done
	250
	251	echo -e "\nEnabled hardware drivers:\n"
	252	echo " - demo............................ $HW_DEMO"
	253	echo
	254