1 2 AC_INIT([iptables], [1.4.20]) 3 4 # See libtool.info "Libtool's versioning system" 5 libxtables_vcurrent=10 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 [enable_libipq="$enableval"], [enable_libipq="no"]) 54 AC_ARG_ENABLE([bpf-compiler], 55 AS_HELP_STRING([--enable-bpf-compiler], [Build bpf compiler]), 56 [enable_bpfc="yes"], [enable_bpfc="no"]) 57 AC_ARG_WITH([pkgconfigdir], AS_HELP_STRING([--with-pkgconfigdir=PATH], 58 [Path to the pkgconfig directory [[LIBDIR/pkgconfig]]]), 59 [pkgconfigdir="$withval"], [pkgconfigdir='${libdir}/pkgconfig']) 60 61 libiptc_LDFLAGS2=""; 62 AX_CHECK_LINKER_FLAGS([-Wl,--no-as-needed], 63 [libiptc_LDFLAGS2="-Wl,--no-as-needed"]) 64 AC_SUBST([libiptc_LDFLAGS2]) 65 66 AC_MSG_CHECKING([whether $LD knows -Wl,--no-undefined]) 67 saved_LDFLAGS="$LDFLAGS"; 68 LDFLAGS="-Wl,--no-undefined"; 69 AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) {}])], 70 [noundef_LDFLAGS="$LDFLAGS"; AC_MSG_RESULT([yes])], 71 [AC_MSG_RESULT([no])] 72 ) 73 LDFLAGS="$saved_LDFLAGS"; 74 75 blacklist_modules=""; 76 77 AC_CHECK_HEADERS([linux/dccp.h linux/ip_vs.h linux/magic.h linux/proc_fs.h]) 78 if test "$ac_cv_header_linux_dccp_h" != "yes"; then 79 blacklist_modules="$blacklist_modules dccp"; 80 fi; 81 if test "$ac_cv_header_linux_ip_vs_h" != "yes"; then 82 blacklist_modules="$blacklist_modules ipvs"; 83 fi; 84 85 PKG_CHECK_MODULES([libnetfilter_conntrack], [libnetfilter_conntrack >= 1.0.4], 86 [nfconntrack=1], [nfconntrack=0]) 87 AM_CONDITIONAL([HAVE_LIBNETFILTER_CONNTRACK], [test "$nfconntrack" = 1]) 88 89 if test "$nfconntrack" -ne 1; then 90 blacklist_modules="$blacklist_modules connlabel"; 91 echo "WARNING: libnetfilter_conntrack not found, connlabel match will not be built"; 92 fi; 93 94 AC_SUBST([blacklist_modules]) 95 AC_CHECK_SIZEOF([struct ip6_hdr], [], [#include <netinet/ip6.h>]) 96 97 AM_CONDITIONAL([ENABLE_STATIC], [test "$enable_static" = "yes"]) 98 AM_CONDITIONAL([ENABLE_SHARED], [test "$enable_shared" = "yes"]) 99 AM_CONDITIONAL([ENABLE_IPV4], [test "$enable_ipv4" = "yes"]) 100 AM_CONDITIONAL([ENABLE_IPV6], [test "$enable_ipv6" = "yes"]) 101 AM_CONDITIONAL([ENABLE_LARGEFILE], [test "$enable_largefile" = "yes"]) 102 AM_CONDITIONAL([ENABLE_DEVEL], [test "$enable_devel" = "yes"]) 103 AM_CONDITIONAL([ENABLE_LIBIPQ], [test "$enable_libipq" = "yes"]) 104 AM_CONDITIONAL([ENABLE_BPFC], [test "$enable_bpfc" = "yes"]) 105 106 if test "x$enable_bpfc" = "xyes"; then 107 AC_CHECK_LIB(pcap, pcap_compile,, AC_MSG_ERROR(missing libpcap library required by bpf compiler)) 108 fi 109 110 PKG_CHECK_MODULES([libnfnetlink], [libnfnetlink >= 1.0], 111 [nfnetlink=1], [nfnetlink=0]) 112 AM_CONDITIONAL([HAVE_LIBNFNETLINK], [test "$nfnetlink" = 1]) 113 114 regular_CFLAGS="-Wall -Waggregate-return -Wmissing-declarations \ 115 -Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes \ 116 -Winline -pipe"; 117 regular_CPPFLAGS="${largefile_cppflags} -D_REENTRANT \ 118 -DXTABLES_LIBDIR=\\\"\${xtlibdir}\\\" -DXTABLES_INTERNAL"; 119 kinclude_CPPFLAGS=""; 120 if [[ -n "$kbuilddir" ]]; then 121 kinclude_CPPFLAGS="$kinclude_CPPFLAGS -I$kbuilddir/include/uapi -I$kbuilddir/include"; 122 fi; 123 if [[ -n "$ksourcedir" ]]; then 124 kinclude_CPPFLAGS="$kinclude_CPPFLAGS -I$ksourcedir/include/uapi -I$ksourcedir/include"; 125 fi; 126 pkgdatadir='${datadir}/xtables'; 127 128 define([EXPAND_VARIABLE], 129 [$2=[$]$1 130 if test $prefix = 'NONE'; then 131 prefix="/usr/local" 132 fi 133 while true; do 134 case "[$]$2" in 135 *\[$]* ) eval "$2=[$]$2" ;; 136 *) break ;; 137 esac 138 done 139 eval "$2=[$]$2" 140 ])dnl EXPAND_VARIABLE 141 142 AC_SUBST([regular_CFLAGS]) 143 AC_SUBST([regular_CPPFLAGS]) 144 AC_SUBST([noundef_LDFLAGS]) 145 AC_SUBST([kinclude_CPPFLAGS]) 146 AC_SUBST([kbuilddir]) 147 AC_SUBST([ksourcedir]) 148 AC_SUBST([xtlibdir]) 149 AC_SUBST([pkgconfigdir]) 150 AC_SUBST([pkgdatadir]) 151 AC_SUBST([libxtables_vcurrent]) 152 AC_SUBST([libxtables_vage]) 153 libxtables_vmajor=$(($libxtables_vcurrent - $libxtables_vage)); 154 AC_SUBST([libxtables_vmajor]) 155 156 AC_CONFIG_FILES([Makefile extensions/GNUmakefile include/Makefile 157 iptables/Makefile iptables/xtables.pc 158 iptables/iptables.8 iptables/ip6tables.8 159 iptables/iptables-extensions.8.tmpl 160 libipq/Makefile libipq/libipq.pc 161 libiptc/Makefile libiptc/libiptc.pc 162 libiptc/libip4tc.pc libiptc/libip6tc.pc 163 libxtables/Makefile utils/Makefile 164 include/xtables-version.h include/iptables/internal.h]) 165 AC_OUTPUT 166 167 168 EXPAND_VARIABLE(xtlibdir, e_xtlibdir) 169 EXPAND_VARIABLE(pkgconfigdir, e_pkgconfigdir) 170 171 echo " 172 Iptables Configuration: 173 IPv4 support: ${enable_ipv4} 174 IPv6 support: ${enable_ipv6} 175 Devel support: ${enable_devel} 176 IPQ support: ${enable_libipq} 177 Large file support: ${enable_largefile} 178 BPF utils support: ${enable_bpfc} 179 180 Build parameters: 181 Put plugins into executable (static): ${enable_static} 182 Support plugins via dlopen (shared): ${enable_shared} 183 Installation prefix (--prefix): ${prefix} 184 Xtables extension directory: ${e_xtlibdir} 185 Pkg-config directory: ${e_pkgconfigdir}" 186 187 if [[ -n "$ksourcedir" ]]; then 188 echo " Kernel source directory: ${ksourcedir}" 189 fi; 190 if [[ -n "$kbuilddir" ]]; then 191 echo " Kernel build directory: ${kbuilddir}" 192 fi; 193 194 echo " Host: ${host} 195 GCC binary: ${CC}" 196 197 test x"$blacklist_modules" = "x" || echo " 198 Iptables modules that will not be built: $blacklist_modules" 199
