]> git.meshlink.io Git - meshlink/blob - configure.ac
Make sure we #define _POSIX_C_SOURCE.
[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_USE_SYSTEM_EXTENSIONS
16 AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions])
17 AC_DEFINE([_POSIX_C_SOURCE], 200809L, [Enable POSIX features])
18
19 dnl Checks for programs.
20 AM_PROG_CC_C_O
21 AM_PROG_AR
22 AC_PROG_CC_C99
23 AC_PROG_CXX
24 AC_PROG_CPP
25 AC_PROG_INSTALL
26 AC_PROG_LN_S
27 AC_PROG_LIBTOOL
28 AX_PTHREAD
29
30 dnl Check and set OS
31
32 AC_CANONICAL_HOST
33
34 case $host_os in
35   *linux*)
36     linux=true
37     AC_DEFINE(HAVE_LINUX, 1, [Linux])
38   ;;
39   *mingw*)
40     mingw=true
41     AC_DEFINE(HAVE_MINGW, 1, [MinGW])
42     LIBS="$LIBS -lws2_32 -lgdi32 -lcrypt32"
43   ;;
44 esac
45
46 AM_CONDITIONAL(LINUX, test "$linux" = true)
47 AM_CONDITIONAL(MINGW, test "$mingw" = true)
48
49 AC_CACHE_SAVE
50
51 if test -d /sw/include ; then
52   CPPFLAGS="$CPPFLAGS -I/sw/include"
53 fi
54 if test -d /sw/lib ; then
55   LIBS="$LIBS -L/sw/lib"
56 fi
57
58 AX_CHECK_COMPILE_FLAG([-std=c11], [CFLAGS="$CFLAGS -std=c11"])
59
60 dnl Compiler hardening flags
61 dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
62
63 AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
64 AS_IF([test "x$enable_hardening" != "xno"],
65   [CPPFLAGS="$CPPFLAGS -Wall -W -pedantic"
66    AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORITFY_SOURCE=2"])
67    AX_CHECK_COMPILE_FLAG([-fwrapv], [CPPFLAGS="$CPPFLAGS -fwrapv"],
68      [AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CPPFLAGS="$CPPFLAGS -fno-strict-overflow"])]
69    )
70    case $host_os in
71      *mingw*)
72        AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
73        AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
74        ;;
75      *)
76        AX_CHECK_COMPILE_FLAG([-fPIC], [CPPFLAGS="$CPPFLAGS -fPIC"])
77        ;;
78    esac
79    AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
80    AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
81    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="$CPPFLAGS -Wextra -pedantic -Wreturn-type -Wold-style-definition -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wshadow -Wbad-function-cast -Wwrite-strings -fdiagnostics-show-option -fstrict-aliasing -Wmissing-noreturn"])
82   ]
83 );
84
85 dnl Allow building without Catta
86 AC_ARG_ENABLE([catta], AS_HELP_STRING([--disable-catta], [disable linking with the Catta library]))
87 AS_IF([test "x$enable_catta" != "xno"],
88   AC_DEFINE(HAVE_CATTA, 1, [Link with Catta])
89   AC_CONFIG_SUBDIRS([catta])
90 )
91 AM_CONDITIONAL(CATTA, test "x$enable_catta" != "xno")
92
93 dnl UTCP debug flags
94 AC_ARG_ENABLE([utcp_debug], AS_HELP_STRING([--enable-utcp-debug], [compile utcp with debug output]))
95 AS_IF([test "x$enable_utcp_debug" = "xyes"],
96   [AX_CHECK_COMPILE_FLAG([-DUTCP_DEBUG], [CPPFLAGS="$CPPFLAGS -DUTCP_DEBUG"])
97   ]
98 );
99
100 dnl Blackbox test suite
101 PKG_CHECK_MODULES([CMOCKA], [cmocka >= 1.1.0], [cmocka=true], [cmocka=false])
102 PKG_CHECK_MODULES([LXC], [lxc >= 2.0.0], [lxc=true], [lxc=false])
103 AM_CONDITIONAL(BLACKBOX_TESTS, test "$cmocka" = true -a "$lxc" = true)
104
105
106 dnl Additional example code
107 PKG_CHECK_MODULES([NCURSES], [ncurses >= 5], [curses=true], [curses=false])
108 AC_ARG_ENABLE([monitor_code], 
109         [AS_HELP_STRING([--enable-monitor-code], [Add monitor example code to the build])],
110   [AS_IF([test "x$enable_monitor_code" = "xyes"], [monitor_code=true], [monitor_code=false])],
111   [monitor_code=false]
112 )
113 AM_CONDITIONAL(MONITOR, test "$monitor_code" = true)
114
115 dnl Install test binaries
116 AC_ARG_ENABLE([install_tests],
117   [AS_HELP_STRING([--enable-install-tests], [include test binaries in installation])],
118   [AS_IF([test "x$enable_install_tests" = "xyes"], [install_tests=true], [install_tests=false])],
119   [install_tests=false]
120 )
121
122 AM_CONDITIONAL(INSTALL_TESTS, test "$install_tests" = true)
123
124 dnl Checks for header files.
125 dnl We do this in multiple stages, because unlike Linux all the other operating systems really suck and don't include their own dependencies.
126
127 AC_CHECK_HEADERS([syslog.h sys/file.h sys/param.h sys/resource.h sys/socket.h sys/time.h sys/un.h sys/wait.h netdb.h arpa/inet.h dirent.h curses.h ifaddrs.h stdatomic.h])
128
129 dnl Checks for typedefs, structures, and compiler characteristics.
130 MeshLink_ATTRIBUTE(__malloc__)
131 MeshLink_ATTRIBUTE(__warn_unused_result__)
132
133 dnl Checks for library functions.
134 AC_TYPE_SIGNAL
135 AC_CHECK_FUNCS([asprintf fchmod fork gettimeofday random pselect select setns strdup usleep getifaddrs freeifaddrs],
136   [], [], [#include "$srcdir/src/have.h"]
137 )
138
139 dnl Support for SunOS
140
141 AC_CHECK_FUNC(socket, [], [
142   AC_CHECK_LIB(socket, connect)
143 ])
144
145 AC_CACHE_SAVE
146
147 AC_CONFIG_FILES([
148          Makefile
149          src/Makefile
150          test/Makefile
151          test/blackbox/Makefile
152          test/blackbox/run_blackbox_tests/Makefile
153          test/blackbox/test_case_channel_conn_01/Makefile
154          test/blackbox/test_case_channel_conn_02/Makefile
155          test/blackbox/test_case_channel_conn_03/Makefile
156          test/blackbox/test_case_channel_conn_04/Makefile
157          test/blackbox/test_case_channel_conn_05/Makefile
158          test/blackbox/test_case_channel_conn_06/Makefile
159          test/blackbox/test_case_channel_conn_07/Makefile
160          test/blackbox/test_case_channel_conn_08/Makefile
161          test/blackbox/test_case_meta_conn_01/Makefile
162          test/blackbox/test_case_meta_conn_02/Makefile
163          test/blackbox/test_case_meta_conn_03/Makefile
164          test/blackbox/test_case_meta_conn_04/Makefile
165          test/blackbox/test_case_meta_conn_05/Makefile
166          test/blackbox/test_cases_submesh01/Makefile
167          test/blackbox/test_cases_submesh02/Makefile
168          test/blackbox/test_cases_submesh03/Makefile
169          test/blackbox/test_cases_submesh04/Makefile
170          examples/Makefile
171 ])
172
173 AC_OUTPUT