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1 | ## | |
2 | ## This file is part of the libsigrokflow project. | |
3 | ## | |
4 | ## Copyright (C) 2018 Uwe Hermann <uwe@hermann-uwe.de> | |
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 | ||
20 | # We require at least autoconf 2.63 (AC_INIT format changed there). | |
21 | AC_PREREQ([2.63]) | |
22 | ||
23 | AC_INIT([libsigrokflow], [0.1.0], | |
24 | [sigrok-devel@lists.sourceforge.net], | |
25 | [libsigrokflow], [http://www.sigrok.org]) | |
26 | AC_CONFIG_MACRO_DIR([m4]) | |
27 | AC_CONFIG_AUX_DIR([autostuff]) | |
28 | AC_CONFIG_HEADERS([config.h]) | |
29 | ||
30 | # We require at least automake 1.11 (needed for 'silent rules'). | |
31 | AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define nostdinc subdir-objects check-news color-tests]) | |
32 | AM_SILENT_RULES([yes]) | |
33 | m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) | |
34 | ||
35 | AC_CANONICAL_HOST | |
36 | ||
37 | # Checks for programs. | |
38 | AC_PROG_CXX | |
39 | AC_PROG_INSTALL | |
40 | AC_PROG_LN_S | |
41 | ||
42 | # Get compiler versions. | |
43 | SR_PROG_VERSION([$CXX], [srf_cxx_version]) | |
44 | ||
45 | # Check for optional make features. | |
46 | SR_PROG_MAKE_ORDER_ONLY | |
47 | ||
48 | # Initialize libtool. | |
49 | LT_INIT | |
50 | ||
51 | # Set up the libsigrokflow version defines. | |
52 | SR_PKG_VERSION_SET([SRF_PACKAGE_VERSION], [AC_PACKAGE_VERSION]) | |
53 | ||
54 | # Library version for libsigrokflow (NOT the same as the package version). | |
55 | # Carefully read the libtool docs before updating these numbers! | |
56 | # The algorithm for determining which number to change (and how) is nontrivial! | |
57 | # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info | |
58 | # Format: current:revision:age. | |
59 | SR_LIB_VERSION_SET([SRF_LIB_VERSION], [0:0:0]) | |
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 | # Keep track of all checked modules so we can list them at the end. | |
66 | SR_PKG_CHECK_SUMMARY([srf_pkglibs_summary]) | |
67 | ||
68 | # Collect the pkg-config module names of all dependencies in SRF_PKGLIBS. | |
69 | # These are used to derive the compiler flags and for the "Requires.private" | |
70 | # field in the generated libsigrokflow.pc file. | |
71 | SR_VAR_OPT_PKG([SRF_PKGLIBS], [srf_deps_avail]) | |
72 | ||
73 | SR_ARG_OPT_PKG([libsigrokcxx], [LIBSIGROKCXX], , [libsigrokcxx >= 0.5.1]) | |
74 | SR_ARG_OPT_PKG([libsigrokdecode], [LIBSIGROKDECODE], , [libsigrokdecode >= 0.5.1]) | |
75 | ||
76 | AC_LANG([C++]) | |
77 | SR_ARG_ENABLE_WARNINGS([SRF_WXXFLAGS], [-Wall], [-Wall -Wextra]) | |
78 | ||
79 | # Check if the C++ compiler supports the C++11 standard. | |
80 | AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory]) | |
81 | ||
82 | ############################## | |
83 | ## Finalize configuration ## | |
84 | ############################## | |
85 | ||
86 | # Add mandatory dependencies to module list. | |
87 | SR_APPEND([SRF_PKGLIBS], ['gstreamermm-1.0 >= 1.8.0']) | |
88 | AC_SUBST([SRF_PKGLIBS]) | |
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([LIBSIGROKFLOW], [$SRF_PKGLIBS]) | |
93 | ||
94 | srf_gstreamermm_version=`$PKG_CONFIG --modversion gstreamermm-1.0 2>&AS_MESSAGE_LOG_FD` | |
95 | ||
96 | AC_CONFIG_FILES([Makefile libsigrokflow.pc]) | |
97 | ||
98 | AC_OUTPUT | |
99 | ||
100 | cat >&AS_MESSAGE_FD <<_EOF | |
101 | ||
102 | libsigrokflow configuration summary: | |
103 | - Package version................. $SRF_PACKAGE_VERSION | |
104 | - Library ABI version............. $SRF_LIB_VERSION | |
105 | - Prefix.......................... $prefix | |
106 | - Building on..................... $build | |
107 | - Building for.................... $host | |
108 | - Building shared / static........ $enable_shared / $enable_static | |
109 | ||
110 | Compile configuration: | |
111 | - C++ compiler.................... $CXX | |
112 | - C++ compiler version............ $srf_cxx_version | |
113 | - C++ compiler flags.............. $CXXFLAGS | |
114 | - C++ compiler warnings........... $SRF_WXXFLAGS | |
115 | - Linker flags.................... $LDFLAGS | |
116 | ||
117 | Detected libraries (required): | |
118 | - gstreamermm >= 1.8.0 ........... $srf_gstreamermm_version | |
119 | ||
120 | Detected libraries (optional): | |
121 | $srf_pkglibs_summary | |
122 | ||
123 | _EOF |