[sigrok-test.git] / configure.ac

##
## This file is part of the sigrok-test project.
##
## Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
## Copyright (C) 2014 Uwe Hermann <uwe@hermann-uwe.de>
##
## 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])

AC_INIT([sigrok-test], [0.1.0], [sigrok-devel@lists.sourceforge.net],
	[sigrok-test], [http://www.sigrok.org])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([autostuff])

# We require at least automake 1.11 (needed for 'silent rules').
AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define subdir-objects check-news])
AM_SILENT_RULES([yes])

AC_CANONICAL_HOST

# Checks for programs.
AC_PROG_CC

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

# Get compiler versions.
SR_PROG_VERSION([$CC], [st_cc_version])

############################
##  Package dependencies  ##
############################

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

# Keep track of all checked modules so we can list them at the end.
ST_PKGLIBS=
SR_PKG_CHECK_SUMMARY([st_pkglibs_summary])

# Python 3 is always needed.
# Starting with Python 3.8 we need to check for "python-3.8-embed"
# first, since usually only that variant will add "-lpython3.8".
# https://docs.python.org/3/whatsnew/3.8.html#debug-build-uses-the-same-abi-as-release-build
SR_PKG_CHECK([python3], [ST_PKGLIBS],
	[python-3.8-embed], [python-3.8 >= 3.8], [python-3.7 >= 3.7], [python-3.6 >= 3.6], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2], [python3 >= 3.2])
AS_IF([test "x$sr_have_python3" = xno],
	[AC_MSG_ERROR([Cannot find Python 3 development headers.])])

######################
##  Feature checks  ##
######################

AC_LANG([C])

# Enable the C99 standard if possible.
ST_EXTRA_CFLAGS=
SR_CHECK_COMPILE_FLAGS([ST_EXTRA_CFLAGS], [C99],
	[-std=c99 -c99 -AC99 -qlanglvl=extc99])

SR_ARG_ENABLE_WARNINGS([ST_WFLAGS],
	[-Wall], [-Wall -Wextra -Wmissing-prototypes])

# Check host characteristics.
AC_SYS_LARGEFILE

# Checks for header files.
AC_CHECK_HEADER([sys/resource.h],,
	[AC_MSG_ERROR([Missing required header sys/resource.h])])

##############################
##  Finalize configuration  ##
##############################

# Retrieve the compile and link flags for all modules combined.
# Also, bail out at this point if any module dependency is not met.
PKG_CHECK_MODULES([SIGROK_TEST],
	[glib-2.0 >= 2.24.0 libsigrok >= 0.5.0 libsigrokdecode >= 0.5.0 $ST_PKGLIBS])

# Allow the user to override the location of the protocol decoders.
AC_ARG_WITH([decodersdir],
	[AS_HELP_STRING([--with-decodersdir=DIR],
			[specify location of protcol decoders [default=auto]])],
	[st_decodersdir=$withval], [st_decodersdir=auto])

AS_IF([test "x$st_decodersdir" = xauto], [
	st_decodersdir=`$PKG_CONFIG --variable=decodersdir libsigrokdecode 2>&AS_MESSAGE_LOG_FD`
	AS_IF([test "[$]?" != 0 || test -z "$st_decodersdir"],
		[st_decodersdir='$(datadir)/libsigrokdecode/decoders'])
])
AC_SUBST([DECODERS_DIR], [$st_decodersdir])

st_glib_version=`$PKG_CONFIG --modversion glib-2.0 2>&AS_MESSAGE_LOG_FD`
st_libsigrok_version=`$PKG_CONFIG --modversion libsigrok 2>&AS_MESSAGE_LOG_FD`
st_libsigrokdecode_version=`$PKG_CONFIG --modversion libsigrokdecode 2>&AS_MESSAGE_LOG_FD`

AC_CONFIG_FILES([Makefile])
AC_OUTPUT

cat >&AS_MESSAGE_FD <<_EOF

sigrok-test configuration summary:
 - Package version................. $PACKAGE_VERSION
 - Prefix.......................... $prefix
 - Decoders directory.............. $st_decodersdir
 - Building on..................... $build
 - Building for.................... $host

Compile configuration:
 - C compiler...................... $CC
 - C compiler version.............. $st_cc_version
 - C compiler flags................ $CFLAGS
 - Additional C compiler flags..... $ST_EXTRA_CFLAGS
 - C compiler warnings............. $ST_WFLAGS
 - Linker flags.................... $LDFLAGS

Detected libraries (required):
 - glib-2.0 >= 2.24.0.............. $st_glib_version
 - libsigrok >= 0.5.0.............. $st_libsigrok_version
 - libsigrokdecode >= 0.5.0........ $st_libsigrokdecode_version
$st_pkglibs_summary
_EOF
Commit	Line	Data
dd37a782 UH	1	##
	2	## This file is part of the sigrok-test project.
	3	##
	4	## Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
	5	## Copyright (C) 2014 Uwe Hermann <uwe@hermann-uwe.de>
	6	##
	7	## This program is free software: you can redistribute it and/or modify
	8	## it under the terms of the GNU General Public License as published by
	9	## the Free Software Foundation, either version 3 of the License, or
	10	## (at your option) any later version.
	11	##
	12	## This program is distributed in the hope that it will be useful,
	13	## but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	## GNU General Public License for more details.
	16	##
	17	## You should have received a copy of the GNU General Public License
	18	## along with this program. If not, see <http://www.gnu.org/licenses/>.
	19	##
	20
	21	# We require at least autoconf 2.63 (AC_INIT format changed there).
	22	AC_PREREQ([2.63])
	23
	24	AC_INIT([sigrok-test], [0.1.0], [sigrok-devel@lists.sourceforge.net],
	25	[sigrok-test], [http://www.sigrok.org])
8189d812 DE	26	AC_CONFIG_MACRO_DIR([m4])
8189d812 DE	27	AC_CONFIG_AUX_DIR([autostuff])
dd37a782 UH	28
dd37a782 UH	29	# We require at least automake 1.11 (needed for 'silent rules').
8189d812 DE	30	AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define subdir-objects check-news])
8189d812 DE	31	AM_SILENT_RULES([yes])
dd37a782	32
8189d812	33	AC_CANONICAL_HOST
dd37a782 UH	34
	35	# Checks for programs.
	36	AC_PROG_CC
	37
	38	# Required for per-target flags or subdir-objects with C sources.
	39	AM_PROG_CC_C_O
	40
8189d812 DE	41	# Get compiler versions.
	42	SR_PROG_VERSION([$CC], [st_cc_version])
	43
	44	############################
	45	## Package dependencies ##
	46	############################
	47
dd37a782 UH	48	# Initialize pkg-config.
	49	# We require at least 0.22, as "Requires.private" behaviour changed there.
	50	PKG_PROG_PKG_CONFIG([0.22])
	51
8189d812 DE	52	# Keep track of all checked modules so we can list them at the end.
	53	ST_PKGLIBS=
	54	SR_PKG_CHECK_SUMMARY([st_pkglibs_summary])
dd37a782	55
8189d812	56	# Python 3 is always needed.
2064a252 UH	57	# Starting with Python 3.8 we need to check for "python-3.8-embed"
	58	# first, since usually only that variant will add "-lpython3.8".
	59	# https://docs.python.org/3/whatsnew/3.8.html#debug-build-uses-the-same-abi-as-release-build
8189d812	60	SR_PKG_CHECK([python3], [ST_PKGLIBS],
2064a252	61	[python-3.8-embed], [python-3.8 >= 3.8], [python-3.7 >= 3.7], [python-3.6 >= 3.6], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2], [python3 >= 3.2])
8189d812 DE	62	AS_IF([test "x$sr_have_python3" = xno],
8189d812 DE	63	[AC_MSG_ERROR([Cannot find Python 3 development headers.])])
dd37a782	64
8189d812 DE	65	######################
	66	## Feature checks ##
	67	######################
dd37a782	68
8189d812	69	AC_LANG([C])
dd37a782	70
8189d812 DE	71	# Enable the C99 standard if possible.
	72	ST_EXTRA_CFLAGS=
	73	SR_CHECK_COMPILE_FLAGS([ST_EXTRA_CFLAGS], [C99],
	74	[-std=c99 -c99 -AC99 -qlanglvl=extc99])
dd37a782	75
8189d812 DE	76	SR_ARG_ENABLE_WARNINGS([ST_WFLAGS],
8189d812 DE	77	[-Wall], [-Wall -Wextra -Wmissing-prototypes])
dd37a782	78
8189d812 DE	79	# Check host characteristics.
8189d812 DE	80	AC_SYS_LARGEFILE
dd37a782	81
8189d812 DE	82	# Checks for header files.
	83	AC_CHECK_HEADER([sys/resource.h],,
	84	[AC_MSG_ERROR([Missing required header sys/resource.h])])
	85
	86	##############################
	87	## Finalize configuration ##
	88	##############################
	89
	90	# Retrieve the compile and link flags for all modules combined.
	91	# Also, bail out at this point if any module dependency is not met.
	92	PKG_CHECK_MODULES([SIGROK_TEST],
df62f6f3	93	[glib-2.0 >= 2.24.0 libsigrok >= 0.5.0 libsigrokdecode >= 0.5.0 $ST_PKGLIBS])
8189d812 DE	94
	95	# Allow the user to override the location of the protocol decoders.
	96	AC_ARG_WITH([decodersdir],
	97	[AS_HELP_STRING([--with-decodersdir=DIR],
	98	[specify location of protcol decoders [default=auto]])],
	99	[st_decodersdir=$withval], [st_decodersdir=auto])
	100
	101	AS_IF([test "x$st_decodersdir" = xauto], [
	102	st_decodersdir=`$PKG_CONFIG --variable=decodersdir libsigrokdecode 2>&AS_MESSAGE_LOG_FD`
	103	AS_IF([test "[$]?" != 0 \|\| test -z "$st_decodersdir"],
	104	[st_decodersdir='$(datadir)/libsigrokdecode/decoders'])
	105	])
	106	AC_SUBST([DECODERS_DIR], [$st_decodersdir])
	107
	108	st_glib_version=`$PKG_CONFIG --modversion glib-2.0 2>&AS_MESSAGE_LOG_FD`
	109	st_libsigrok_version=`$PKG_CONFIG --modversion libsigrok 2>&AS_MESSAGE_LOG_FD`
	110	st_libsigrokdecode_version=`$PKG_CONFIG --modversion libsigrokdecode 2>&AS_MESSAGE_LOG_FD`
dd37a782	111
8189d812	112	AC_CONFIG_FILES([Makefile])
dd37a782 UH	113	AC_OUTPUT
dd37a782 UH	114
8189d812 DE	115	cat >&AS_MESSAGE_FD <<_EOF
	116
	117	sigrok-test configuration summary:
	118	- Package version................. $PACKAGE_VERSION
	119	- Prefix.......................... $prefix
	120	- Decoders directory.............. $st_decodersdir
	121	- Building on..................... $build
	122	- Building for.................... $host
	123
	124	Compile configuration:
	125	- C compiler...................... $CC
	126	- C compiler version.............. $st_cc_version
	127	- C compiler flags................ $CFLAGS
	128	- Additional C compiler flags..... $ST_EXTRA_CFLAGS
	129	- C compiler warnings............. $ST_WFLAGS
2dbe278c	130	- Linker flags.................... $LDFLAGS
8189d812 DE	131
	132	Detected libraries (required):
	133	- glib-2.0 >= 2.24.0.............. $st_glib_version
df62f6f3 UH	134	- libsigrok >= 0.5.0.............. $st_libsigrok_version
df62f6f3 UH	135	- libsigrokdecode >= 0.5.0........ $st_libsigrokdecode_version
8189d812 DE	136	$st_pkglibs_summary
8189d812 DE	137	_EOF