/usr/src/xtables-addons-2.6/configure.ac is in xtables-addons-dkms 2.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | AC_INIT([xtables-addons], [2.6])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_PROG_INSTALL
AM_INIT_AUTOMAKE([1.10b -Wall foreign subdir-objects])
AC_PROG_CC
AM_PROG_CC_C_O
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
AC_DISABLE_STATIC
AC_PROG_LIBTOOL
AC_ARG_WITH([kbuild],
AS_HELP_STRING([--with-kbuild=PATH],
[Path to kernel build directory [[/lib/modules/CURRENT/build]]])
AS_HELP_STRING([--without-kbuild],
[Build only userspace tools]),
[kbuilddir="$withval"],
[kbuilddir="/lib/modules/$(uname -r)/build"])
#
# check for --without-kbuild
#
if [[ "$kbuilddir" == no ]]; then
kbuilddir="";
fi
AC_CHECK_HEADERS([linux/netfilter/x_tables.h], [],
[AC_MSG_ERROR([You need to have linux/netfilter/x_tables.h, see INSTALL file for details])])
PKG_CHECK_MODULES([libxtables], [xtables >= 1.4.5])
xtlibdir="$(pkg-config --variable=xtlibdir xtables)"
AC_ARG_WITH([xtlibdir],
AS_HELP_STRING([--with-xtlibdir=PATH],
[Path where to install Xtables extensions [[autodetect]]]),
[xtlibdir="$withval"])
AC_MSG_CHECKING([Xtables module directory])
AC_MSG_RESULT([$xtlibdir])
regular_CPPFLAGS="-D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 \
-D_REENTRANT -I\${XA_TOPSRCDIR}/include"
regular_CFLAGS="-Wall -Waggregate-return -Wmissing-declarations \
-Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes \
-Winline -pipe";
if test -n "$kbuilddir"; then
AC_MSG_CHECKING([kernel version that we will build against])
krel="$(make -sC "$kbuilddir" M=$PWD kernelrelease)";
kmajor="${krel%%[[^0-9]]*}";
kmajor="$(($kmajor+0))";
krel="${krel:${#kmajor}}";
krel="${krel#.}";
kminor="${krel%%[[^0-9]]*}";
kminor="$(($kminor+0))";
krel="${krel:${#kminor}}";
krel="${krel#.}";
kmicro="${krel%%[[^0-9]]*}";
kmicro="$(($kmicro+0))";
krel="${krel:${#kmicro}}";
krel="${krel#.}";
kstable="${krel%%[[^0-9]]*}";
kstable="$(($kstable+0))";
if test -z "$kmajor" -o -z "$kminor" -o -z "$kmicro"; then
echo "WARNING: Version detection did not succeed. Continue at own luck.";
else
echo "$kmajor.$kminor.$kmicro.$kstable in $kbuilddir";
if test "$kmajor" -gt 3 -o "$kmajor" -eq 3 -a "$kminor" -gt 17; then
echo "WARNING: That kernel version is not officially supported yet. Continue at own luck.";
elif test "$kmajor" -eq 3 -a "$kminor" -ge 7; then
:;
else
echo "WARNING: That kernel version is not officially supported.";
fi;
fi;
fi;
AC_SUBST([regular_CPPFLAGS])
AC_SUBST([regular_CFLAGS])
AC_SUBST([kbuilddir])
AC_SUBST([xtlibdir])
AC_CONFIG_FILES([Makefile Makefile.iptrules Makefile.mans geoip/Makefile
extensions/Makefile extensions/ACCOUNT/Makefile
extensions/pknock/Makefile])
AC_OUTPUT
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