configure.ac

   1
   2 AC_INIT([iptables], [1.4.15])
   3
   4 # See libtool.info "Libtool's versioning system"
   5 libxtables_vcurrent=9
   6 libxtables_vage=0
   7
   8 AC_CONFIG_AUX_DIR([build-aux])
   9 AC_CONFIG_HEADERS([config.h])
  10 AC_CONFIG_MACRO_DIR([m4])
  11 AC_PROG_INSTALL
  12 AM_INIT_AUTOMAKE([-Wall])
  13 AC_PROG_CC
  14 AM_PROG_CC_C_O
  15 AC_DISABLE_STATIC
  16 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
  17 AM_PROG_LIBTOOL
  18
  19 AC_ARG_WITH([kernel],
  20         AS_HELP_STRING([--with-kernel=PATH],
  21         [Path to kernel source/build directory]),
  22         [kbuilddir="$withval"; ksourcedir="$withval";])
  23 AC_ARG_WITH([kbuild],
  24         AS_HELP_STRING([--with-kbuild=PATH],
  25         [Path to kernel build directory [[/lib/modules/CURRENT/build]]]),
  26         [kbuilddir="$withval"])
  27 AC_ARG_WITH([ksource],
  28         AS_HELP_STRING([--with-ksource=PATH],
  29         [Path to kernel source directory [[/lib/modules/CURRENT/source]]]),
  30         [ksourcedir="$withval"])
  31 AC_ARG_WITH([xtlibdir],
  32         AS_HELP_STRING([--with-xtlibdir=PATH],
  33         [Path where to install Xtables extensions [[LIBEXECDIR/xtables]]]),
  34         [xtlibdir="$withval"],
  35         [xtlibdir="${libdir}/xtables"])
  36 AC_ARG_ENABLE([ipv4],
  37         AS_HELP_STRING([--disable-ipv4], [Do not build iptables]),
  38         [enable_ipv4="$enableval"], [enable_ipv4="yes"])
  39 AC_ARG_ENABLE([ipv6],
  40         AS_HELP_STRING([--disable-ipv6], [Do not build ip6tables]),
  41         [enable_ipv6="$enableval"], [enable_ipv6="yes"])
  42 AC_ARG_ENABLE([largefile],
  43         AS_HELP_STRING([--disable-largefile], [Do not build largefile support]),
  44         [enable_largefile="$enableval"],
  45         [enable_largefile="yes";
  46         largefile_cppflags='-D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64'])
  47 AC_ARG_ENABLE([devel],
  48         AS_HELP_STRING([--enable-devel],
  49         [Install Xtables development headers]),
  50         [enable_devel="$enableval"], [enable_devel="yes"])
  51 AC_ARG_ENABLE([libipq],
  52         AS_HELP_STRING([--enable-libipq], [Build and install libipq]))
  53 AC_ARG_WITH([pkgconfigdir], AS_HELP_STRING([--with-pkgconfigdir=PATH],
  54         [Path to the pkgconfig directory [[LIBDIR/pkgconfig]]]),
  55         [pkgconfigdir="$withval"], [pkgconfigdir='${libdir}/pkgconfig'])
  56
  57 libiptc_LDFLAGS2="";
  58 AX_CHECK_LINKER_FLAGS([-Wl,--no-as-needed],
  59         [libiptc_LDFLAGS2="-Wl,--no-as-needed"])
  60 AC_SUBST([libiptc_LDFLAGS2])
  61
  62 AC_MSG_CHECKING([whether $LD knows -Wl,--no-undefined])
  63 saved_LDFLAGS="$LDFLAGS";
  64 LDFLAGS="-Wl,--no-undefined";
  65 AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) {}])],
  66         [noundef_LDFLAGS="$LDFLAGS"; AC_MSG_RESULT([yes])],
  67         [AC_MSG_RESULT([no])]
  68 )
  69 LDFLAGS="$saved_LDFLAGS";
  70
  71 blacklist_modules="";
  72
  73 AC_CHECK_HEADERS([linux/dccp.h linux/ip_vs.h linux/magic.h linux/proc_fs.h])
  74 if test "$ac_cv_header_linux_dccp_h" != "yes"; then
  75         blacklist_modules="$blacklist_modules dccp";
  76 fi;
  77 if test "$ac_cv_header_linux_ip_vs_h" != "yes"; then
  78         blacklist_modules="$blacklist_modules ipvs";
  79 fi;
  80
  81 AC_SUBST([blacklist_modules])
  82 AC_CHECK_SIZEOF([struct ip6_hdr], [], [#include <netinet/ip6.h>])
  83
  84 AM_CONDITIONAL([ENABLE_STATIC], [test "$enable_static" = "yes"])
  85 AM_CONDITIONAL([ENABLE_SHARED], [test "$enable_shared" = "yes"])
  86 AM_CONDITIONAL([ENABLE_IPV4], [test "$enable_ipv4" = "yes"])
  87 AM_CONDITIONAL([ENABLE_IPV6], [test "$enable_ipv6" = "yes"])
  88 AM_CONDITIONAL([ENABLE_LARGEFILE], [test "$enable_largefile" = "yes"])
  89 AM_CONDITIONAL([ENABLE_DEVEL], [test "$enable_devel" = "yes"])
  90 AM_CONDITIONAL([ENABLE_LIBIPQ], [test "$enable_libipq" = "yes"])
  91
  92 PKG_CHECK_MODULES([libnfnetlink], [libnfnetlink >= 1.0],
  93         [nfnetlink=1], [nfnetlink=0])
  94 AM_CONDITIONAL([HAVE_LIBNFNETLINK], [test "$nfnetlink" = 1])
  95
  96 regular_CFLAGS="-Wall -Waggregate-return -Wmissing-declarations \
  97         -Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes \
  98         -Winline -pipe";
  99 regular_CPPFLAGS="${largefile_cppflags} -D_REENTRANT \
 100         -DXTABLES_LIBDIR=\\\"\${xtlibdir}\\\" -DXTABLES_INTERNAL";
 101 kinclude_CPPFLAGS="";
 102 if [[ -n "$kbuilddir" ]]; then
 103         kinclude_CPPFLAGS="$kinclude_CPPFLAGS -I$kbuilddir/include";
 104 fi;
 105 if [[ -n "$ksourcedir" ]]; then
 106         kinclude_CPPFLAGS="$kinclude_CPPFLAGS -I$ksourcedir/include";
 107 fi;
 108 pkgdatadir='${datadir}/xtables';
 109
 110 AC_SUBST([regular_CFLAGS])
 111 AC_SUBST([regular_CPPFLAGS])
 112 AC_SUBST([noundef_LDFLAGS])
 113 AC_SUBST([kinclude_CPPFLAGS])
 114 AC_SUBST([kbuilddir])
 115 AC_SUBST([ksourcedir])
 116 AC_SUBST([xtlibdir])
 117 AC_SUBST([pkgconfigdir])
 118 AC_SUBST([pkgdatadir])
 119 AC_SUBST([libxtables_vcurrent])
 120 AC_SUBST([libxtables_vage])
 121 libxtables_vmajor=$(($libxtables_vcurrent - $libxtables_vage));
 122 AC_SUBST([libxtables_vmajor])
 123
 124 AC_CONFIG_FILES([Makefile extensions/GNUmakefile include/Makefile
 125         iptables/Makefile iptables/xtables.pc
 126         libipq/Makefile libipq/libipq.pc
 127         libiptc/Makefile libiptc/libiptc.pc
 128         libiptc/libip4tc.pc libiptc/libip6tc.pc
 129         libxtables/Makefile utils/Makefile
 130         include/xtables-version.h include/iptables/internal.h])
 131 AC_OUTPUT