278 lines
9.1 KiB
Text
278 lines
9.1 KiB
Text
dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.61)
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AC_CONFIG_MACRO_DIRS([m4])
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AC_INIT([tinc], m4_esyscmd_s((git describe || echo UNKNOWN) | sed 's/release-//'))
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AC_CONFIG_SRCDIR([src/tincd.c])
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AC_GNU_SOURCE
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AM_INIT_AUTOMAKE([std-options subdir-objects -Wall])
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AC_CONFIG_HEADERS([config.h])
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AM_PROG_AR
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LT_INIT
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# Enable GNU extensions.
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# Define this here, not in acconfig's @TOP@ section, since definitions
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# in the latter don't make it into the configure-time tests.
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AC_GNU_SOURCE
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AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions])
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dnl Checks for programs.
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CFLAGS="-g -O0"
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AC_PROG_CC_C99
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AC_PROG_CPP
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AC_PROG_INSTALL
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AC_PROG_LN_S
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AM_PROG_CC_C_O
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dnl Check and set OS
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AC_CANONICAL_HOST
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case $host_os in
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*linux*)
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linux=true
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AC_DEFINE(HAVE_LINUX, 1, [Linux])
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;;
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*freebsd*)
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bsd=true
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AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
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;;
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*darwin*)
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bsd=true
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darwin=true
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AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
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;;
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*solaris*)
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solaris=true
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AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS])
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;;
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*openbsd*)
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bsd=true
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AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD])
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;;
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*netbsd*)
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bsd=true
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AC_DEFINE(HAVE_NETBSD, 1, [NetBSD])
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;;
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*dragonfly*)
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bsd=true
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AC_DEFINE(HAVE_DRAGONFLY, 1, [DragonFly])
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;;
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*bsd*)
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bsd=true
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AC_MSG_WARN("Unknown BSD variant, tinc might not compile or work!")
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AC_DEFINE(HAVE_BSD, 1, [Unknown BSD variant])
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;;
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*cygwin*)
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cygwin=true
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AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
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;;
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*mingw*)
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mingw=true
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AC_DEFINE(HAVE_MINGW, 1, [MinGW])
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LIBS="$LIBS -lws2_32 -lgdi32 -lcrypt32"
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;;
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*)
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AC_MSG_ERROR("Unknown operating system.")
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;;
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esac
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AC_ARG_ENABLE(uml,
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AS_HELP_STRING([--enable-uml], [enable support for User Mode Linux]),
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[ AS_IF([test "x$enable_uml" = "xyes"],
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[ AC_DEFINE(ENABLE_UML, 1, [Support for UML])
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uml=true
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],
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[uml=false])
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],
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[uml=false]
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)
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AC_ARG_ENABLE(vde,
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AS_HELP_STRING([--enable-vde], [enable support for Virtual Distributed Ethernet]),
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[ AS_IF([test "x$enable_vde" = "xyes"],
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[ AC_CHECK_HEADERS(libvdeplug_dyn.h, [], [AC_MSG_ERROR([VDE plug header files not found.]); break])
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AC_DEFINE(ENABLE_VDE, 1, [Support for VDE])
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vde=true
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],
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[vde=false])
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],
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[vde=false]
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)
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AC_ARG_ENABLE(tunemu,
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AS_HELP_STRING([--enable-tunemu], [enable support for the tunemu driver]),
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[ AS_IF([test "x$enable_tunemu" = "xyes"],
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[ AC_DEFINE(ENABLE_TUNEMU, 1, [Support for tunemu])
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tunemu=true
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],
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[tunemu=false])
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],
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[tunemu=false]
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)
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AC_ARG_WITH(windows2000,
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AS_HELP_STRING([--with-windows2000], [compile with support for Windows 2000. This disables support for tunneling over existing IPv6 networks.]),
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[ AS_IF([test "x$with_windows2000" = "xyes"],
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[AC_DEFINE(WITH_WINDOWS2000, 1, [Compile with support for Windows 2000])])
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]
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)
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AM_CONDITIONAL(LINUX, test "$linux" = true)
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AM_CONDITIONAL(BSD, test "$bsd" = true)
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AM_CONDITIONAL(DARWIN, test "$darwin" = true)
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AM_CONDITIONAL(SOLARIS, test "$solaris" = true)
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AM_CONDITIONAL(MINGW, test "$mingw" = true)
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AM_CONDITIONAL(CYGWIN, test "$cygwin" = true)
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AM_CONDITIONAL(UML, test "$uml" = true)
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AM_CONDITIONAL(VDE, test "$vde" = true)
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AM_CONDITIONAL(TUNEMU, test "$tunemu" = true)
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AC_CACHE_SAVE
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if test -d /sw/include ; then
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CPPFLAGS="$CPPFLAGS -I/sw/include"
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fi
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if test -d /sw/lib ; then
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LIBS="$LIBS -L/sw/lib"
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fi
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dnl Compiler hardening flags
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dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
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AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
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AS_IF([test "x$enable_hardening" != "xno"],
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[AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORTIFY_SOURCE=2"])
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dnl AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CPPFLAGS="$CPPFLAGS -fno-strict-overflow"])
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AX_CHECK_COMPILE_FLAG([-fwrapv], [CPPFLAGS="$CPPFLAGS -fwrapv"])
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AX_CHECK_COMPILE_FLAG([-Weverything], [CFLAGS="$CFLAGS -Weverything"])
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AX_CHECK_COMPILE_FLAG([-Wno-reserved-id-macro], [CFLAGS="$CFLAGS -Wno-reserved-id-macro"])
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AX_CHECK_COMPILE_FLAG([-Wno-padded], [CFLAGS="$CFLAGS -Wno-padded"])
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AX_CHECK_COMPILE_FLAG([-Wno-disabled-macro-expansion], [CFLAGS="$CFLAGS -Wno-disabled-macro-expansion"])
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AX_CHECK_COMPILE_FLAG([-Wno-shorten-64-to-32], [CFLAGS="$CFLAGS -Wno-shorten-64-to-32"])
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AX_CHECK_COMPILE_FLAG([-Wno-format-nonliteral], [CFLAGS="$CFLAGS -Wno-format-nonliteral"])
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AX_CHECK_COMPILE_FLAG([-Werror=conditional-uninitialized], [CFLAGS="$CFLAGS -Werror=conditional-uninitialized"])
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AX_CHECK_COMPILE_FLAG([-Werror=uninitialized], [CFLAGS="$CFLAGS -Werror=uninitialized"])
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AX_CHECK_COMPILE_FLAG([-Werror=missing-field-initializers], [CFLAGS="$CFLAGS -Werror=missing-field-initializers"])
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AX_CHECK_COMPILE_FLAG([-Werror=missing-variable-declarations], [CFLAGS="$CFLAGS -Werror=missing-variable-declarations"])
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AX_CHECK_COMPILE_FLAG([-Wno-conversion], [CFLAGS="$CFLAGS -Wno-conversion"])
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AX_CHECK_COMPILE_FLAG([-Wno-date-time], [CFLAGS="$CFLAGS -Wno-date-time"])
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AX_CHECK_COMPILE_FLAG([-Wno-shadow], [CFLAGS="$CFLAGS -Wno-shadow"])
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AX_CHECK_COMPILE_FLAG([-Wno-vla], [CFLAGS="$CFLAGS -Wno-vla"])
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AX_CHECK_COMPILE_FLAG([-Wno-unused-macros], [CFLAGS="$CFLAGS -Wno-unused-macros"])
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AX_CHECK_COMPILE_FLAG([-Wno-cast-qual], [CFLAGS="$CFLAGS -Wno-cast-qual"])
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case $host_os in
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*mingw*)
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AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
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AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
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;;
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*)
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AX_CHECK_COMPILE_FLAG([-fPIE], [CPPFLAGS="$CPPFLAGS -fPIE"])
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AX_CHECK_LINK_FLAG([-pie], [LDFLAGS="$LDFLAGS -pie"])
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;;
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esac
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AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
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AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
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]
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);
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dnl Checks for header files.
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dnl We do this in multiple stages, because unlike Linux all the other operating systems really suck and don't include their own dependencies.
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AC_HEADER_STDC
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AC_CHECK_HEADERS([stdbool.h syslog.h sys/file.h sys/ioctl.h sys/mman.h sys/param.h sys/resource.h sys/socket.h sys/time.h sys/uio.h sys/un.h sys/wait.h netdb.h arpa/inet.h dirent.h])
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AC_CHECK_HEADERS([net/if.h net/if_types.h linux/if_tun.h net/if_tun.h net/tun/if_tun.h net/if_tap.h net/tap/if_tap.h net/ethernet.h net/if_arp.h netinet/in_systm.h netinet/in.h netinet/in6.h time.h netpacket/packet.h],
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[], [], [#include "$srcdir/src/have.h"]
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)
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AC_CHECK_HEADERS([netinet/if_ether.h netinet/ip.h netinet/ip6.h resolv.h],
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[], [], [#include "$srcdir/src/have.h"]
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)
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AC_CHECK_HEADERS([netinet/tcp.h netinet/ip_icmp.h netinet/icmp6.h],
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[], [], [#include "$srcdir/src/have.h"]
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)
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_C_VOLATILE
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AC_TYPE_PID_T
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AC_TYPE_SIZE_T
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AC_HEADER_TIME
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AC_STRUCT_TM
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tinc_ATTRIBUTE(__malloc__)
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tinc_ATTRIBUTE(__warn_unused_result__)
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AC_CHECK_TYPES([socklen_t, struct ether_header, struct arphdr, struct ether_arp, struct in_addr, struct addrinfo, struct ip, struct icmp, struct in6_addr, struct sockaddr_in6, struct ip6_hdr, struct icmp6_hdr, struct nd_neighbor_solicit, struct nd_opt_hdr], , ,
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[#include "$srcdir/src/have.h"]
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)
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dnl Checks for library functions.
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AC_TYPE_SIGNAL
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AC_CHECK_FUNCS([asprintf daemon fchmod flock ftime fork get_current_dir_name gettimeofday mlockall putenv random select strdup strerror strsignal strtol system time usleep unsetenv vsyslog writev],
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[], [], [#include "$srcdir/src/have.h"]
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)
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dnl Support for SunOS
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AC_CHECK_FUNC(socket, [], [
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AC_CHECK_LIB(socket, connect)
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])
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AC_CHECK_FUNC(gethostbyname, [], [
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AC_CHECK_LIB(nsl, gethostbyname)
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])
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AC_CHECK_DECLS([freeaddrinfo, gai_strerror, getaddrinfo, getnameinfo],
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[], [], [#include "$srcdir/src/have.h"]
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)
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AC_CHECK_DECLS([res_init], [AC_CHECK_LIB(resolv, res_init)], [], [
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#include <netinet/in.h>
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#include <resolv.h>
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])
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AC_CACHE_SAVE
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AC_ARG_ENABLE(legacy-protocol,
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AS_HELP_STRING([--disable-legacy-protocol], [disable support for the legacy (tinc 1.0) protocol]),
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[ AS_IF([test "x$enable_legacy_protocol" = "xno"],
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[ AC_DEFINE(DISABLE_LEGACY, 1, [Disable support for the legacy (tinc 1.0) protocol]) ])
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]
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)
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dnl These are defined in files in m4/
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dnl AC_ARG_WITH(libgcrypt, AC_HELP_STRING([--with-libgcrypt], [enable use of libgcrypt instead of OpenSSL])], [])
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dnl AC_ARG_WITH(openssl, AC_HELP_STRING([--without-openssl], [disable support for OpenSSL])], [])
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tinc_CURSES
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tinc_READLINE
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tinc_ZLIB
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tinc_LZO
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if test "x$enable_legacy_protocol" != "xno"; then
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if test -n "$with_libgcrypt"; then
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gcrypt=true
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tinc_LIBGCRYPT
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else
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openssl=true
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tinc_OPENSSL
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fi
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fi
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AM_CONDITIONAL(OPENSSL, test -n "$openssl")
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AM_CONDITIONAL(GCRYPT, test -n "$gcrypt")
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dnl Check if support for jumbograms is requested
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AC_ARG_ENABLE(jumbograms,
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AS_HELP_STRING([--enable-jumbograms], [enable support for jumbograms (packets up to 9000 bytes)]),
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[ AS_IF([test "x$enable_jumbograms" = "xyes"],
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[ AC_DEFINE(ENABLE_JUMBOGRAMS, 1, [Support for jumbograms (packets up to 9000 bytes)]) ])
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]
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)
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AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile gui/Makefile test/Makefile])
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AC_CONFIG_TESTDIR(test/, [test-path = 'test/'])
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AC_OUTPUT
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