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.
99 AC_CHECK_HEADERS([stdbool.h 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 AC_CHECK_HEADERS([time.h],
101 [], [], [#include "src/have.h"]
104 dnl Checks for typedefs, structures, and compiler characteristics.
112 MeshLink_ATTRIBUTE(__malloc__)
113 MeshLink_ATTRIBUTE(__warn_unused_result__)
115 AC_CHECK_TYPES([socklen_t, struct addrinfo, struct sockaddr_in6], , ,
116 [#include "src/have.h"]
119 AC_CHECK_TYPES([struct sockaddr_storage], ,AC_MSG_ERROR([System must support struct sockaddr_storage.]),
120 [#include "src/have.h"]
123 dnl Checks for library functions.
125 AC_CHECK_FUNCS([asprintf fchmod fork get_current_dir_name gettimeofday random select strdup strerror time usleep],
126 [], [], [#include "src/have.h"]
129 dnl Support for SunOS
131 AC_CHECK_FUNC(socket, [], [
132 AC_CHECK_LIB(socket, connect)
134 AC_CHECK_FUNC(gethostbyname, [], [
135 AC_CHECK_LIB(nsl, gethostbyname)
138 AC_CHECK_DECLS([freeaddrinfo, gai_strerror, getaddrinfo, getnameinfo],
139 [], [], [#include "src/have.h"]
144 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile m4/Makefile test/Makefile examples/Makefile])