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.
35 AC_DEFINE(HAVE_LINUX, 1, [Linux])
39 AC_DEFINE(HAVE_MINGW, 1, [MinGW])
40 LIBS="$LIBS -lws2_32 -lgdi32 -lcrypt32"
44 AM_CONDITIONAL(LINUX, test "$linux" = true)
45 AM_CONDITIONAL(MINGW, test "$mingw" = true)
49 if test -d /sw/include ; then
50 CPPFLAGS="$CPPFLAGS -I/sw/include"
52 if test -d /sw/lib ; then
53 LIBS="$LIBS -L/sw/lib"
56 dnl Compiler hardening flags
57 dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
59 AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
60 AS_IF([test "x$enable_hardening" != "xno"],
61 [CPPFLAGS="$CPPFLAGS -W -pedantic"
62 AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORITFY_SOURCE=2"])
63 AX_CHECK_COMPILE_FLAG([-fwrapv], [CPPFLAGS="$CPPFLAGS -fwrapv"],
64 [AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CPPFLAGS="$CPPFLAGS -fno-strict-overflow"])]
68 AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
69 AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
72 AX_CHECK_COMPILE_FLAG([-fPIE], [CPPFLAGS="$CPPFLAGS -fPIE"])
73 AX_CHECK_COMPILE_FLAG([-fPIC], [CPPFLAGS="$CPPFLAGS -fPIC"])
74 AX_CHECK_LINK_FLAG([-pie], [LDFLAGS="$LDFLAGS -pie"])
77 AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
78 AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
83 AC_ARG_ENABLE([utcp_debug], AS_HELP_STRING([--enable-utcp-debug], [compile utcp with debug output]))
84 AS_IF([test "x$enable_utcp_debug" = "xyes"],
85 [AX_CHECK_COMPILE_FLAG([-DUTCP_DEBUG], [CPPFLAGS="$CPPFLAGS -DUTCP_DEBUG"])
89 dnl Install test binaries
90 AC_ARG_ENABLE([install_tests],
91 [AS_HELP_STRING([--enable-install-tests], [include test binaries in installation])],
92 [AS_IF([test "x$enable_install_tests" = "xyes"], [install_tests=true], [install_tests=false])],
96 AM_CONDITIONAL(INSTALL_TESTS, test "$install_tests" = true)
98 dnl Checks for header files.
99 dnl We do this in multiple stages, because unlike Linux all the other operating systems really suck and don't include their own dependencies.
101 AC_CHECK_HEADERS([syslog.h sys/file.h sys/param.h sys/resource.h sys/socket.h sys/time.h sys/un.h sys/wait.h netdb.h arpa/inet.h dirent.h])
103 dnl Checks for typedefs, structures, and compiler characteristics.
104 MeshLink_ATTRIBUTE(__malloc__)
105 MeshLink_ATTRIBUTE(__warn_unused_result__)
107 AC_CHECK_TYPES([socklen_t, struct addrinfo, struct sockaddr_in6], , ,
108 [#include "$srcdir/src/have.h"]
111 AC_CHECK_TYPES([struct sockaddr_storage], ,AC_MSG_ERROR([System must support struct sockaddr_storage.]),
112 [#include "$srcdir/src/have.h"]
115 dnl Checks for library functions.
117 AC_CHECK_FUNCS([asprintf fchmod fork gettimeofday random select strdup usleep],
118 [], [], [#include "$srcdir/src/have.h"]
121 dnl Support for SunOS
123 AC_CHECK_FUNC(socket, [], [
124 AC_CHECK_LIB(socket, connect)
126 AC_CHECK_FUNC(gethostbyname, [], [
127 AC_CHECK_LIB(nsl, gethostbyname)
130 AC_CHECK_DECLS([freeaddrinfo, gai_strerror, getaddrinfo, getnameinfo],
131 [], [], [#include "$srcdir/src/have.h"]
136 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile test/Makefile examples/Makefile])