[libsigrokdecode.git] / configure.ac

##
## This file is part of the sigrok project.
##
## Copyright (C) 2010 Bert Vermeulen <bert@biot.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])

# libsigrokdecode package version number (NOT the same as shared lib version!).
m4_define([libsigrokdecode_major_version], [0])
m4_define([libsigrokdecode_minor_version], [1])
m4_define([libsigrokdecode_micro_version], [0])
m4_define([libsigrokdecode_version],
	  [libsigrokdecode_major_version.libsigrokdecode_minor_version.libsigrokdecode_micro_version])

AC_INIT([libsigrokdecode], [libsigrokdecode_version],
	[sigrok-devel@lists.sourceforge.net], [libsigrokdecode],
	[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])])

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

CFLAGS="-g -Wall -Wextra"

# 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 libsigrokdecode (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
LIBSIGROKDECODE_LT_CURRENT=0
LIBSIGROKDECODE_LT_REVISION=0
LIBSIGROKDECODE_LT_AGE=0
LIBSIGROKDECODE_LT_VERSION="$LIBSIGROKDECODE_LT_CURRENT:$LIBSIGROKDECODE_LT_REVISION:$LIBSIGROKDECODE_LT_AGE"
LIBSIGROKDECODE_LT_LDFLAGS="-version-info $LIBSIGROKDECODE_LT_VERSION"
AC_SUBST(LIBSIGROKDECODE_LT_LDFLAGS)

# Checks for libraries.

# libglib-2.0 is always needed.
# Note: glib-2.0 is part of the libsigrokdecode API
# (hard pkg-config requirement).
AM_PATH_GLIB_2_0([2.22.0],
        [CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])

# Python support. We require at least Python >= 3.0.
AC_ARG_VAR([PYTHON3_CONFIG], [path to python3-config utility])
AC_CHECK_PROGS([PYTHON3_CONFIG], [python3-config python3.2-config python3.1-config python3.0-config])
CPPFLAGS_PYTHON=""
LDFLAGS_PYTHON=""
case "$build" in
*mingw*)
	# We currently hardcode the paths to the Python 3.2 default install
	# location as there's no 'python-config' script on Windows, it seems.
	AC_MSG_WARN([using hardcoded Python3 configuration on MinGW])
	CPPFLAGS_PYTHON="-I/c/Python32/include"
	LDFLAGS_PYTHON="-L/c/Python32/libs -lpython32"
	;;
*)
	# We know that Linux has 'python3-config'.
	# On Darwin, Macports has python3.x-config, fink has python3-config.
	# Mac OS X (Snow Leopard) ships with 'python-config' per default, but
	# that's Python 2.x, so not useful for us.
	# Everything else is untested, we just hope 'PYTHON3_CONFIG' works.
	if test -n "$PYTHON3_CONFIG"; then
		CPPFLAGS_PYTHON="$($PYTHON3_CONFIG --includes)"
		LDFLAGS_PYTHON="$($PYTHON3_CONFIG --ldflags)"
	else
		AC_MSG_ERROR([python3-config not found])
	fi
	;;
esac
AC_SUBST(CPPFLAGS_PYTHON)
AC_SUBST(LDFLAGS_PYTHON)

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

# 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([memset strtoull])

AC_SUBST(DECODERS_DIR, "$datadir/libsigrokdecode/decoders")
AC_SUBST(MAKEFLAGS, '--no-print-directory')
AC_SUBST(AM_LIBTOOLFLAGS, '--silent')

LIBSIGROKDECODE_MAJOR_VERSION=libsigrokdecode_major_version
LIBSIGROKDECODE_MINOR_VERSION=libsigrokdecode_minor_version
LIBSIGROKDECODE_MICRO_VERSION=libsigrokdecode_micro_version
LIBSIGROKDECODE_VERSION=libsigrokdecode_version

AC_SUBST(LIBSIGROKDECODE_MAJOR_VERSION)
AC_SUBST(LIBSIGROKDECODE_MINOR_VERSION)
AC_SUBST(LIBSIGROKDECODE_MICRO_VERSION)
AC_SUBST(LIBSIGROKDECODE_VERSION)

AC_DEFINE(LIBSIGROKDECODE_MAJOR_VERSION, [libsigrokdecode_major_version],
	  [Define to the libsigrokdecode major package version])
AC_DEFINE(LIBSIGROKDECODE_MINOR_VERSION, [libsigrokdecode_minor_version],
	  [Define to the libsigrokdecode minor package version])
AC_DEFINE(LIBSIGROKDECODE_MICRO_VERSION, [libsigrokdecode_micro_version],
	  [Define to the libsigrokdecode micro package version])
AC_DEFINE(LIBSIGROKDECODE_VERSION, [libsigrokdecode_version],
	  [Define to the libsigrokdecode package version])

AC_CONFIG_FILES([Makefile
		 libsigrokdecode.pc
		 decoders/Makefile
		 decoders/dcf77/Makefile
		 decoders/edid/Makefile
		 decoders/i2c/Makefile
		 decoders/i2cdemux/Makefile
		 decoders/i2cfilter/Makefile
		 decoders/mlx90614/Makefile
		 decoders/mx25lxx05d/Makefile
		 decoders/nunchuk/Makefile
		 decoders/pan1321/Makefile
		 decoders/rtc8564/Makefile
		 decoders/spi/Makefile
		 decoders/transitioncounter/Makefile
		 decoders/uart/Makefile
		 decoders/usb/Makefile
		])

AC_OUTPUT

echo
echo "libsigrokdecode configuration summary:"
echo
echo "  - Package version (major.minor.micro):    $LIBSIGROKDECODE_VERSION"
echo "  - Library version (current:revision:age): $LIBSIGROKDECODE_LT_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"; do
        if `$PKG_CONFIG --exists $lib`; then
                ver=`$PKG_CONFIG --modversion $lib`
                answer="yes ($ver)"
        else
                answer="no"
        fi
        echo "  - $lib: $answer"
done

echo
echo "Detected Python:"
echo
echo "  - Python CPPFLAGS: $CPPFLAGS_PYTHON"
echo "  - Python LDFLAGS: $LDFLAGS_PYTHON"
echo
Commit	Line	Data
a190e979 UH	1	##
	2	## This file is part of the sigrok project.
	3	##
	4	## Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
	5	##
	6	## This program is free software: you can redistribute it and/or modify
	7	## it under the terms of the GNU General Public License as published by
	8	## the Free Software Foundation, either version 3 of the License, or
	9	## (at your option) any later version.
	10	##
	11	## This program is distributed in the hope that it will be useful,
	12	## but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	## GNU General Public License for more details.
	15	##
	16	## You should have received a copy of the GNU General Public License
	17	## along with this program. If not, see <http://www.gnu.org/licenses/>.
	18	##
	19
066ecdab UH	20	# We require at least autoconf 2.63 (AC_INIT format changed there).
066ecdab UH	21	AC_PREREQ([2.63])
a190e979	22
a101c52f UH	23	# libsigrokdecode package version number (NOT the same as shared lib version!).
a101c52f UH	24	m4_define([libsigrokdecode_major_version], [0])
abf77a8d	25	m4_define([libsigrokdecode_minor_version], [1])
a101c52f UH	26	m4_define([libsigrokdecode_micro_version], [0])
	27	m4_define([libsigrokdecode_version],
	28	[libsigrokdecode_major_version.libsigrokdecode_minor_version.libsigrokdecode_micro_version])
a190e979	29
2891e1bc UH	30	AC_INIT([libsigrokdecode], [libsigrokdecode_version],
	31	[sigrok-devel@lists.sourceforge.net], [libsigrokdecode],
	32	[http://www.sigrok.org])
a190e979	33	AC_CONFIG_HEADER([config.h])
087d133d UH	34	AC_CONFIG_MACRO_DIR([autostuff])
087d133d UH	35	AC_CONFIG_AUX_DIR([autostuff])
a190e979	36
066ecdab UH	37	# We require at least automake 1.11 (needed for 'silent rules').
066ecdab UH	38	AM_INIT_AUTOMAKE([1.11 -Wall -Werror foreign std-options])
a190e979 UH	39	m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
a190e979 UH	40
2891e1bc UH	41	AH_TOP([#ifndef LIBSIGROKDECODE_CONFIG_H
	42	#define LIBSIGROKDECODE_CONFIG_H /* To stop multiple inclusions. */])
	43	AH_BOTTOM([#endif /* LIBSIGROKDECODE_CONFIG_H */])
a190e979 UH	44
	45	CFLAGS="-g -Wall -Wextra"
	46
	47	# Checks for programs.
	48	AC_PROG_CXX
	49	AC_PROG_CC
	50	AC_PROG_CPP
	51	AC_PROG_INSTALL
	52	AC_PROG_LN_S
	53
	54	# Initialize libtool.
	55	LT_INIT
	56
	57	# Initialize pkg-config.
	58	# We require at least 0.22, as "Requires.private" behaviour changed there.
	59	PKG_PROG_PKG_CONFIG([0.22])
	60
a101c52f	61	# Library version for libsigrokdecode (NOT the same as the package version).
a190e979 UH	62	# Carefully read the libtool docs before updating these numbers!
	63	# The algorithm for determining which number to change (and how) is nontrivial!
	64	# http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
a101c52f UH	65	LIBSIGROKDECODE_LT_CURRENT=0
	66	LIBSIGROKDECODE_LT_REVISION=0
	67	LIBSIGROKDECODE_LT_AGE=0
	68	LIBSIGROKDECODE_LT_VERSION="$LIBSIGROKDECODE_LT_CURRENT:$LIBSIGROKDECODE_LT_REVISION:$LIBSIGROKDECODE_LT_AGE"
	69	LIBSIGROKDECODE_LT_LDFLAGS="-version-info $LIBSIGROKDECODE_LT_VERSION"
	70	AC_SUBST(LIBSIGROKDECODE_LT_LDFLAGS)
a190e979	71
a190e979 UH	72	# Checks for libraries.
a190e979 UH	73
a190e979	74	# libglib-2.0 is always needed.
2891e1bc UH	75	# Note: glib-2.0 is part of the libsigrokdecode API
2891e1bc UH	76	# (hard pkg-config requirement).
a190e979	77	AM_PATH_GLIB_2_0([2.22.0],
2891e1bc	78	[CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])
a190e979	79
084f0f94	80	# Python support. We require at least Python >= 3.0.
b67eb0bd UH	81	AC_ARG_VAR([PYTHON3_CONFIG], [path to python3-config utility])
b67eb0bd UH	82	AC_CHECK_PROGS([PYTHON3_CONFIG], [python3-config python3.2-config python3.1-config python3.0-config])
a190e979 UH	83	CPPFLAGS_PYTHON=""
	84	LDFLAGS_PYTHON=""
	85	case "$build" in
a190e979 UH	86	mingw)
	87	# We currently hardcode the paths to the Python 3.2 default install
	88	# location as there's no 'python-config' script on Windows, it seems.
b67eb0bd	89	AC_MSG_WARN([using hardcoded Python3 configuration on MinGW])
a190e979 UH	90	CPPFLAGS_PYTHON="-I/c/Python32/include"
	91	LDFLAGS_PYTHON="-L/c/Python32/libs -lpython32"
	92	;;
	93	*)
631b080a RC	94	# We know that Linux has 'python3-config'.
	95	# On Darwin, Macports has python3.x-config, fink has python3-config.
	96	# Mac OS X (Snow Leopard) ships with 'python-config' per default, but
	97	# that's Python 2.x, so not useful for us.
b67eb0bd UH	98	# Everything else is untested, we just hope 'PYTHON3_CONFIG' works.
	99	if test -n "$PYTHON3_CONFIG"; then
	100	CPPFLAGS_PYTHON="$($PYTHON3_CONFIG --includes)"
	101	LDFLAGS_PYTHON="$($PYTHON3_CONFIG --ldflags)"
631b080a RC	102	else
	103	AC_MSG_ERROR([python3-config not found])
	104	fi
a190e979 UH	105	;;
	106	esac
	107	AC_SUBST(CPPFLAGS_PYTHON)
	108	AC_SUBST(LDFLAGS_PYTHON)
	109
a190e979 UH	110	# Checks for header files.
a190e979 UH	111	# These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
81eb8e80	112	# AC_CHECK_HEADERS([])
a190e979 UH	113
	114	# Checks for typedefs, structures, and compiler characteristics.
	115	AC_C_INLINE
	116	AC_TYPE_INT8_T
	117	AC_TYPE_INT16_T
	118	AC_TYPE_INT32_T
	119	AC_TYPE_INT64_T
	120	AC_TYPE_UINT8_T
	121	AC_TYPE_UINT16_T
	122	AC_TYPE_UINT32_T
	123	AC_TYPE_UINT64_T
	124	AC_TYPE_SIZE_T
	125
	126	# Checks for library functions.
81eb8e80	127	AC_CHECK_FUNCS([memset strtoull])
a190e979	128
066e65a3	129	AC_SUBST(DECODERS_DIR, "$datadir/libsigrokdecode/decoders")
a190e979 UH	130	AC_SUBST(MAKEFLAGS, '--no-print-directory')
	131	AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
	132
a101c52f UH	133	LIBSIGROKDECODE_MAJOR_VERSION=libsigrokdecode_major_version
	134	LIBSIGROKDECODE_MINOR_VERSION=libsigrokdecode_minor_version
	135	LIBSIGROKDECODE_MICRO_VERSION=libsigrokdecode_micro_version
	136	LIBSIGROKDECODE_VERSION=libsigrokdecode_version
	137
	138	AC_SUBST(LIBSIGROKDECODE_MAJOR_VERSION)
	139	AC_SUBST(LIBSIGROKDECODE_MINOR_VERSION)
	140	AC_SUBST(LIBSIGROKDECODE_MICRO_VERSION)
	141	AC_SUBST(LIBSIGROKDECODE_VERSION)
	142
	143	AC_DEFINE(LIBSIGROKDECODE_MAJOR_VERSION, [libsigrokdecode_major_version],
	144	[Define to the libsigrokdecode major package version])
	145	AC_DEFINE(LIBSIGROKDECODE_MINOR_VERSION, [libsigrokdecode_minor_version],
	146	[Define to the libsigrokdecode minor package version])
	147	AC_DEFINE(LIBSIGROKDECODE_MICRO_VERSION, [libsigrokdecode_micro_version],
	148	[Define to the libsigrokdecode micro package version])
	149	AC_DEFINE(LIBSIGROKDECODE_VERSION, [libsigrokdecode_version],
	150	[Define to the libsigrokdecode package version])
a190e979 UH	151
a190e979 UH	152	AC_CONFIG_FILES([Makefile
2891e1bc UH	153	libsigrokdecode.pc
2891e1bc UH	154	decoders/Makefile
64c29e28	155	decoders/dcf77/Makefile
91b2e171	156	decoders/edid/Makefile
64c29e28	157	decoders/i2c/Makefile
d567790b	158	decoders/i2cdemux/Makefile
61c2bd36	159	decoders/i2cfilter/Makefile
bc1385a6	160	decoders/mlx90614/Makefile
64c29e28 UH	161	decoders/mx25lxx05d/Makefile
	162	decoders/nunchuk/Makefile
	163	decoders/pan1321/Makefile
ed5f826a	164	decoders/rtc8564/Makefile
64c29e28 UH	165	decoders/spi/Makefile
	166	decoders/transitioncounter/Makefile
	167	decoders/uart/Makefile
	168	decoders/usb/Makefile
a190e979 UH	169	])
	170
	171	AC_OUTPUT
	172
aa56f7ad UH	173	echo
	174	echo "libsigrokdecode configuration summary:"
	175	echo
	176	echo " - Package version (major.minor.micro): $LIBSIGROKDECODE_VERSION"
	177	echo " - Library version (current:revision:age): $LIBSIGROKDECODE_LT_VERSION"
	178	echo " - Prefix: $prefix"
	179	echo
	180	echo "Detected libraries:"
	181	echo
	182
	183	# Note: This only works for libs with pkg-config integration.
	184	for lib in "glib-2.0"; do
	185	if `$PKG_CONFIG --exists $lib`; then
	186	ver=`$PKG_CONFIG --modversion $lib`
	187	answer="yes ($ver)"
	188	else
	189	answer="no"
	190	fi
	191	echo " - $lib: $answer"
	192	done
	193
	194	echo
	195	echo "Detected Python:"
	196	echo
	197	echo " - Python CPPFLAGS: $CPPFLAGS_PYTHON"
	198	echo " - Python LDFLAGS: $LDFLAGS_PYTHON"
	199	echo
	200