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Monitor a Netlink socket on Linux.
[meshlink] / configure.ac
1 dnl Process this file with autoconf to produce a configure script.
2
3 AC_PREREQ(2.61)
4 AC_INIT([MeshLink], [0.1])
5 DX_PS_FEATURE(OFF)
6 DX_INIT_DOXYGEN([MeshLink], [$(top_srcdir)/Doxyfile])
7 AM_INIT_AUTOMAKE([std-options subdir-objects nostdinc silent-rules -Wall])
8 AC_CONFIG_HEADERS([config.h])
9 AC_CONFIG_MACRO_DIR([m4])
10 AM_SILENT_RULES([yes])
11
12 # Enable GNU extensions.
13 # Define this here, not in acconfig's @TOP@ section, since definitions
14 # in the latter don't make it into the configure-time tests.
15 AC_GNU_SOURCE
16 AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions])
17
18 dnl Checks for programs.
19 AM_PROG_CC_C_O
20 AM_PROG_AR
21 AC_PROG_CC_C99
22 AC_PROG_CXX
23 AC_PROG_CPP
24 AC_PROG_INSTALL
25 AC_PROG_LN_S
26 AC_PROG_LIBTOOL
27 AX_PTHREAD
28
29 dnl Check and set OS
30
31 AC_CANONICAL_HOST
32
33 case $host_os in
34   *linux*)
35     linux=true
36     AC_DEFINE(HAVE_LINUX, 1, [Linux])
37   ;;
38   *mingw*)
39     mingw=true
40     AC_DEFINE(HAVE_MINGW, 1, [MinGW])
41     LIBS="$LIBS -lws2_32 -lgdi32 -lcrypt32"
42   ;;
43 esac
44
45 AM_CONDITIONAL(LINUX, test "$linux" = true)
46 AM_CONDITIONAL(MINGW, test "$mingw" = true)
47
48 AC_CACHE_SAVE
49
50 if test -d /sw/include ; then
51   CPPFLAGS="$CPPFLAGS -I/sw/include"
52 fi
53 if test -d /sw/lib ; then
54   LIBS="$LIBS -L/sw/lib"
55 fi
56
57 AX_CHECK_COMPILE_FLAG([-std=c11], [CFLAGS="$CFLAGS -std=c11"])
58
59 dnl Compiler hardening flags
60 dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
61
62 AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
63 AS_IF([test "x$enable_hardening" != "xno"],
64   [CPPFLAGS="$CPPFLAGS -Wall -W -pedantic"
65    AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORITFY_SOURCE=2"])
66    AX_CHECK_COMPILE_FLAG([-fwrapv], [CPPFLAGS="$CPPFLAGS -fwrapv"],
67      [AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CPPFLAGS="$CPPFLAGS -fno-strict-overflow"])]
68    )
69    case $host_os in
70      *mingw*)
71        AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
72        AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
73        ;;
74      *)
75        AX_CHECK_COMPILE_FLAG([-fPIC], [CPPFLAGS="$CPPFLAGS -fPIC"])
76        ;;
77    esac
78    AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
79    AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
80    AX_CHECK_COMPILE_FLAG([-Wextra -pedantic -Wreturn-type -Wold-style-definition -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wshadow -Wbad-function-cast -Wwrite-strings -fdiagnostics-show-option -fstrict-aliasing -Wmissing-noreturn], [CPPFLAGS="$CPPFLAGS -Wextra -pedantic -Wreturn-type -Wold-style-definition -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wshadow -Wbad-function-cast -Wwrite-strings -fdiagnostics-show-option -fstrict-aliasing -Wmissing-noreturn"])
81   ]
82 );
83
84 dnl Allow building without Catta
85 AC_ARG_ENABLE([catta], AS_HELP_STRING([--disable-catta], [disable linking with the Catta library]))
86 AS_IF([test "x$enable_catta" != "xno"],
87   AC_DEFINE(HAVE_CATTA, 1, [Link with Catta])
88   AC_CONFIG_SUBDIRS([catta])
89 )
90 AM_CONDITIONAL(CATTA, test "x$enable_catta" != "xno")
91
92 dnl UTCP debug flags
93 AC_ARG_ENABLE([utcp_debug], AS_HELP_STRING([--enable-utcp-debug], [compile utcp with debug output]))
94 AS_IF([test "x$enable_utcp_debug" = "xyes"],
95   [AX_CHECK_COMPILE_FLAG([-DUTCP_DEBUG], [CPPFLAGS="$CPPFLAGS -DUTCP_DEBUG"])
96   ]
97 );
98
99 dnl Blackbox test suite
100 PKG_CHECK_MODULES([CMOCKA], [cmocka >= 1.1.0], [cmocka=true], [cmocka=false])
101 PKG_CHECK_MODULES([LXC], [lxc >= 2.0.0], [lxc=true], [lxc=false])
102 AM_CONDITIONAL(BLACKBOX_TESTS, test "$cmocka" = true -a "$lxc" = true)
103
104
105 dnl Additional example code
106 PKG_CHECK_MODULES([NCURSES], [ncurses >= 5], [curses=true], [curses=false])
107 AC_ARG_ENABLE([monitor_code], 
108         [AS_HELP_STRING([--enable-monitor-code], [Add monitor example code to the build])],
109   [AS_IF([test "x$enable_monitor_code" = "xyes"], [monitor_code=true], [monitor_code=false])],
110   [monitor_code=false]
111 )
112 AM_CONDITIONAL(MONITOR, test "$monitor_code" = true)
113
114 dnl Install test binaries
115 AC_ARG_ENABLE([install_tests],
116   [AS_HELP_STRING([--enable-install-tests], [include test binaries in installation])],
117   [AS_IF([test "x$enable_install_tests" = "xyes"], [install_tests=true], [install_tests=false])],
118   [install_tests=false]
119 )
120
121 AM_CONDITIONAL(INSTALL_TESTS, test "$install_tests" = true)
122
123 dnl Checks for header files.
124 dnl We do this in multiple stages, because unlike Linux all the other operating systems really suck and don't include their own dependencies.
125
126 AC_CHECK_HEADERS([syslog.h sys/file.h sys/param.h sys/resource.h sys/socket.h sys/time.h sys/un.h sys/wait.h netdb.h arpa/inet.h dirent.h curses.h ifaddrs.h stdatomic.h])
127
128 dnl Checks for typedefs, structures, and compiler characteristics.
129 MeshLink_ATTRIBUTE(__malloc__)
130 MeshLink_ATTRIBUTE(__warn_unused_result__)
131
132 dnl Checks for library functions.
133 AC_TYPE_SIGNAL
134 AC_CHECK_FUNCS([asprintf fchmod fork gettimeofday random pselect select setns strdup usleep getifaddrs freeifaddrs],
135   [], [], [#include "$srcdir/src/have.h"]
136 )
137
138 dnl Support for SunOS
139
140 AC_CHECK_FUNC(socket, [], [
141   AC_CHECK_LIB(socket, connect)
142 ])
143
144 AC_CACHE_SAVE
145
146 AC_CONFIG_FILES([
147          Makefile
148          src/Makefile
149          test/Makefile
150          test/blackbox/Makefile
151          test/blackbox/run_blackbox_tests/Makefile
152          test/blackbox/test_case_channel_conn_01/Makefile
153          test/blackbox/test_case_channel_conn_02/Makefile
154          test/blackbox/test_case_channel_conn_03/Makefile
155          test/blackbox/test_case_channel_conn_04/Makefile
156          test/blackbox/test_case_channel_conn_05/Makefile
157          test/blackbox/test_case_channel_conn_06/Makefile
158          test/blackbox/test_case_channel_conn_07/Makefile
159          test/blackbox/test_case_channel_conn_08/Makefile
160          test/blackbox/test_case_meta_conn_01/Makefile
161          test/blackbox/test_case_meta_conn_02/Makefile
162          test/blackbox/test_case_meta_conn_03/Makefile
163          test/blackbox/test_case_meta_conn_04/Makefile
164          test/blackbox/test_case_meta_conn_05/Makefile
165          test/blackbox/test_cases_submesh01/Makefile
166          test/blackbox/test_cases_submesh02/Makefile
167          test/blackbox/test_cases_submesh03/Makefile
168          test/blackbox/test_cases_submesh04/Makefile
169          examples/Makefile
170 ])
171
172 AC_OUTPUT