1 dnl Process this file with autoconf to produce a configure script.
4 AC_INIT([MeshLink], [0.1])
5 AM_INIT_AUTOMAKE([std-options subdir-objects nostdinc silent-rules -Wall])
6 AC_CONFIG_HEADERS([config.h])
7 AC_CONFIG_MACRO_DIR([m4])
8 AC_CONFIG_SUBDIRS([catta])
11 # Enable GNU extensions.
12 # Define this here, not in acconfig's @TOP@ section, since definitions
13 # in the latter don't make it into the configure-time tests.
15 AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions])
17 dnl Checks for programs.
34 AC_DEFINE(HAVE_LINUX, 1, [Linux])
38 AC_DEFINE(HAVE_MINGW, 1, [MinGW])
39 LIBS="$LIBS -lws2_32 -lgdi32 -lcrypt32"
43 AM_CONDITIONAL(LINUX, test "$linux" = true)
44 AM_CONDITIONAL(MINGW, test "$mingw" = true)
48 if test -d /sw/include ; then
49 CPPFLAGS="$CPPFLAGS -I/sw/include"
51 if test -d /sw/lib ; then
52 LIBS="$LIBS -L/sw/lib"
55 dnl Compiler hardening flags
56 dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
58 AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
59 AS_IF([test "x$enable_hardening" != "xno"],
60 [AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORITFY_SOURCE=2"])
61 AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CPPFLAGS="$CPPFLAGS -fno-strict-overflow"])
62 AX_CHECK_COMPILE_FLAG([-fwrapv], [CPPFLAGS="$CPPFLAGS -fwrapv"])
65 AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
66 AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
69 AX_CHECK_COMPILE_FLAG([-fPIE], [CPPFLAGS="$CPPFLAGS -fPIE"])
70 AX_CHECK_COMPILE_FLAG([-fPIC], [CPPFLAGS="$CPPFLAGS -fPIC"])
71 AX_CHECK_LINK_FLAG([-pie], [LDFLAGS="$LDFLAGS -pie"])
74 AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
75 AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
80 AC_ARG_ENABLE([utcp_debug], AS_HELP_STRING([--enable-utcp-debug], [compile utcp with debug output]))
81 AS_IF([test "x$enable_utcp_debug" = "xyes"],
82 [AX_CHECK_COMPILE_FLAG([-DUTCP_DEBUG], [CPPFLAGS="$CPPFLAGS -DUTCP_DEBUG"])
86 dnl Install test binaries
87 AC_ARG_ENABLE([install_tests],
88 [AS_HELP_STRING([--enable-install-tests], [include test binaries in installation])],
89 [AS_IF([test "x$enable_install_tests" = "xyes"], [install_tests=true], [install_tests=false])],
93 AM_CONDITIONAL(INSTALL_TESTS, test "$install_tests" = true)
95 dnl Checks for header files.
96 dnl We do this in multiple stages, because unlike Linux all the other operating systems really suck and don't include their own dependencies.
98 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])
100 dnl Checks for typedefs, structures, and compiler characteristics.
101 MeshLink_ATTRIBUTE(__malloc__)
102 MeshLink_ATTRIBUTE(__warn_unused_result__)
104 AC_CHECK_TYPES([socklen_t, struct addrinfo, struct sockaddr_in6], , ,
105 [#include "$srcdir/src/have.h"]
108 AC_CHECK_TYPES([struct sockaddr_storage], ,AC_MSG_ERROR([System must support struct sockaddr_storage.]),
109 [#include "$srcdir/src/have.h"]
112 dnl Checks for library functions.
114 AC_CHECK_FUNCS([asprintf fchmod fork gettimeofday random select strdup usleep],
115 [], [], [#include "$srcdir/src/have.h"]
118 dnl Support for SunOS
120 AC_CHECK_FUNC(socket, [], [
121 AC_CHECK_LIB(socket, connect)
123 AC_CHECK_FUNC(gethostbyname, [], [
124 AC_CHECK_LIB(nsl, gethostbyname)
127 AC_CHECK_DECLS([freeaddrinfo, gai_strerror, getaddrinfo, getnameinfo],
128 [], [], [#include "$srcdir/src/have.h"]
133 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile test/Makefile examples/Makefile])