summaryrefslogtreecommitdiff
path: root/configure.ac
blob: 4f6590110074fcfec1199f59aee1b5e690b14b31 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
##
## 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