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configure.ac
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configure.ac
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dnl --------------------------------
dnl Initialization macros.
dnl --------------------------------
AC_PREREQ([2.60])
AC_INIT([libvmi], [0.15.0])
AM_INIT_AUTOMAKE([1.10 no-define foreign subdir-objects])
LT_INIT
AC_CONFIG_SRCDIR(libvmi/core.c)
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS(config.h)
AC_CANONICAL_HOST
LIBRARY_NAME=libvmi
MAJOR_VERSION=0
MINOR_VERSION=15
MICRO_VERSION=0
VERSION=$MAJOR_VERSION:$MINOR_VERSION:$MICRO_VERSION
RELEASE=$MAJOR_VERSION.$MINOR_VERSION
AC_SUBST(LIBRARY_NAME)
AC_SUBST(VERSION)
AC_SUBST(RELEASE)
AC_MSG_CHECKING([for supported architecture])
case "$host_cpu" in
i[[3456]]86|pentium)
arch=i386
AC_DEFINE([I386], 1, [Define for the i386 architecture.])
;;
x86?64*)
arch=x86_64
AC_DEFINE([X86_64], 1, [Define for the AMD x86-64 architecture.])
;;
arm*)
arch=arm32
AC_DEFINE([ARM32], 1, [Define for the ARM32 architecture.])
;;
aarch64*)
arch=arm64
AC_DEFINE([ARM64], 1, [Define for the ARM64 architecture.])
;;
esac
AC_MSG_RESULT($arch)
dnl -----------------------------------------------
dnl Check package options
dnl -----------------------------------------------
AC_ARG_ENABLE([xen],
[AS_HELP_STRING([--disable-xen],
[Disable support for memory introspection with live Xen domains @<:@no@:>@])],
[enable_xen=$enableval],
[enable_xen=yes])
AM_CONDITIONAL([WITH_XEN], [test x"$enable_xen" = xyes])
AC_ARG_WITH([xenstore],
[AS_HELP_STRING([--without-xenstore],
[Build LibVMI without Xenstore @<:@no@:>@])],
[with_xenstore=$withval],
[with_xenstore=yes])
AM_CONDITIONAL([XENSTORE], [test x"$with_xenstore" = xyes])
AC_ARG_ENABLE([kvm],
[AS_HELP_STRING([--disable-kvm],
[Disable support for memory introspection with live KVM VMs @<:@no@:>@])],
[enable_kvm=$enableval],
[enable_kvm=yes])
AM_CONDITIONAL([WITH_KVM], [test x"$enable_kvm" = xyes])
AC_ARG_ENABLE([kvm_legacy],
[AS_HELP_STRING([--disable-kvm-legacy],
[Enable support for legacy KVM driver @<:@no@:>@])],
[enable_kvm_legacy=$enableval],
[enable_kvm_legacy=no])
AM_CONDITIONAL([WITH_KVM_LEGACY], [test x"$enable_kvm_legacy" = xyes])
AC_ARG_ENABLE([bareflank],
[AS_HELP_STRING([--disable-bareflank],
[Support memory introspection with live Bareflank VMs (default is yes)])],
[enable_bareflank=$enableval],
[enable_bareflank=yes])
AM_CONDITIONAL([WITH_BAREFLANK], [test x"$enable_bareflank" = xyes && test "$arch" = "x86_64"])
AC_ARG_ENABLE([file],
[AS_HELP_STRING([--disable-file],
[Disable support for memory introspection with physical memory dumps in a file @<:@no@:>@])],
[enable_file=$enableval],
[enable_file=yes])
AM_CONDITIONAL([WITH_FILE], [test x"$enable_file" = xyes])
AC_ARG_ENABLE([windows],
[AS_HELP_STRING([--disable-windows],
[Disable support for introspecting Windows (XP - 10) @<:@no@:>@])],
[enable_windows=$enableval],
[enable_windows=yes])
AM_CONDITIONAL([WINDOWS], [test x"$enable_windows" = xyes])
AC_ARG_ENABLE([linux],
[AS_HELP_STRING([--disable-linux],
[Disable support for introspecting Linux @<:@no@:>@])],
[enable_linux=$enableval],
[enable_linux=yes])
AM_CONDITIONAL([LINUX], [test x"$enable_linux" = xyes])
AC_ARG_ENABLE([freebsd],
[AS_HELP_STRING([--disable-freebsd],
[Disable support for introspecting FreeBSD @<:@no@:>@])],
[enable_freebsd=$enableval],
[enable_freebsd=yes])
AM_CONDITIONAL([FREEBSD], [test x"$enable_freebsd" = xyes])
AC_ARG_ENABLE([vmifs],
[AS_HELP_STRING([--disable-vmifs],
[Disable building VMIFS tool: maps memory to a file through FUSE @<:@no@:>@])],
[enable_vmifs=$enableval],
[enable_vmifs=yes])
AC_ARG_ENABLE([address-cache],
[AS_HELP_STRING([--disable-address-cache],
[Disable caching addresses (v2p, pid, etc) @<:@no@:>@])],
[enable_address_cache=$enableval],
[enable_address_cache=yes])
AM_CONDITIONAL([ENABLE_ADDRESS_CACHE], [test x"$enable_address_cache" = "xyes"])
AC_ARG_ENABLE([page-cache],
[AS_HELP_STRING([--disable-page-cache],
[Disable caching pages @<:@no@:>@])],
[enable_page_cache=$enableval],
[enable_page_cache=512])
AM_CONDITIONAL([ENABLE_PAGE_CACHE], [test x"$enable_page_cache" = "xyes"])
AC_ARG_ENABLE([rekall-profiles],
[AS_HELP_STRING([--disable-rekall-profiles],
[Disable support for Rekall's JSON profiles @<:@no@:>@])],
[rekall="$enableval"],
[rekall="yes"])
AC_ARG_ENABLE([volatility-ist],
[AS_HELP_STRING([--disable-volatility-ist],
[Disable support for Volatility's JSON intermediate symbol table @<:@no@:>@])],
[volatility_ist="$enableval"],
[volatility_ist="yes"])
AC_ARG_ENABLE([config-file],
[AS_HELP_STRING([--disable-config-file],
[Disable using LibVMI config files @<:@no@:>@])],
[configfile="$enableval"],
[configfile="yes"])
AM_CONDITIONAL([ENABLE_CONFIGFILE], [test x$configfile = xyes])
AC_ARG_ENABLE([safety-checks],
[AS_HELP_STRING([--disable-safety-checks],
[Disable API safety checks @<:@no@:>@])],
[enable_safety_checks=$enableval],
[enable_safety_checks=yes])
AM_CONDITIONAL([ENABLE_SAFETY_CHECKS], [test x"$enable_safety_checks" = "xyes"])
AC_ARG_ENABLE([vmi-debug],
[AS_HELP_STRING([--enable-vmi-debug],
[Enable VMI debug prints when LIBVMI_DEBUG environment variable is set @<:@no@:>@])],
[enable_vmi_debug=$enableval],
[enable_vmi_debug=no])
AM_CONDITIONAL([VMI_DEBUG], [test x"$enable_vmi_debug" = "xyes"])
AM_CONDITIONAL([ENV_DEBUG], [test x"$enable_vmi_debug" = "xyes"])
AC_ARG_ENABLE([examples],
[AS_HELP_STRING([--disable-examples],
[Disable building LibVMI examples @<:@yes@:>@])],
[enable_examples=$enableval],
[enable_examples=yes])
AM_CONDITIONAL([EXAMPLES], [test x"$enable_examples" = "xyes"])
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[Enable strict compiler checks @<:@no@:>@])],
[debug="$enableval"],
[debug="no"])
AM_CONDITIONAL([DEBUG], [test x$debug = xyes])
AC_ARG_ENABLE([hardening],
[AS_HELP_STRING([--enable-hardening],
[Enable compiler and linker options to frustrate memory corruption exploits @<:@yes@:>@])],
[hardening="$enableval"],
[hardening="yes"])
AM_CONDITIONAL([HARDENING], [test x$hardening = xyes])
AC_ARG_ENABLE([osx],
[AS_HELP_STRING([--disable-osx],
[Disable support for introspecting osx @<:@no@:>@])],
[enable_osx=$enableval],
[enable_osx=yes])
AM_CONDITIONAL([OSX], [test x"$enable_osx" = xyes && test x"$volatility_ist" = xyes])
dnl -----------------------------------------------
dnl Checks for programs, libraries, etc.
dnl -----------------------------------------------
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CC_C99
AM_SANITY_CHECK
AM_PROG_AS
#####################################################
# AUTOHARDEN START
# We want to check for compiler flag support, but there is no way to make
# clang's "argument unused" warning fatal. So we invoke the compiler through a
# wrapper script that greps for this message.
saved_CC="$CC"
saved_LD="$LD"
flag_wrap="$srcdir/wrap-compiler-for-flag-check"
CC="$flag_wrap $CC"
LD="$flag_wrap $LD"
# We use the same hardening flags for C and C++. We must check that each flag
# is supported by both compilers.
AC_DEFUN([check_cc_flag],
[AC_LANG_PUSH(C)
AX_CHECK_COMPILE_FLAG([$1], [$2], [$3], [-Werror $4])
AC_LANG_POP(C)])
AC_DEFUN([check_link_flag],
[AX_CHECK_LINK_FLAG([$1], [$2], [$3], [-Werror $4])])
HARDEN_CFLAGS=""
HARDEN_LDFLAGS=""
AS_IF([test x"$hardening" != x"no"], [
check_cc_flag([-fno-strict-overflow], [HARDEN_CFLAGS="$HARDEN_CFLAGS -fno-strict-overflow"])
# This one will likely succeed, even on platforms where it does nothing.
check_cc_flag([-D_FORTIFY_SOURCE=2 -O2], [HARDEN_CFLAGS="$HARDEN_CFLAGS -D_FORTIFY_SOURCE=2 -O2"])
check_cc_flag([-fstack-protector-all],
[check_link_flag([-fstack-protector-all],
[HARDEN_CFLAGS="$HARDEN_CFLAGS -fstack-protector-all"
check_cc_flag([-Wstack-protector], [HARDEN_CFLAGS="$HARDEN_CFLAGS -Wstack-protector"],
[], [-fstack-protector-all])
check_cc_flag([--param ssp-buffer-size=1], [HARDEN_CFLAGS="$HARDEN_CFLAGS --param ssp-buffer-size=1"],
[], [-fstack-protector-all])])])
# At the link step, we might want -pie (GCC) or -Wl,-pie (Clang on OS X)
#
# The linker checks also compile code, so we need to include -fPIE as well.
check_cc_flag([-fPIE],
[check_link_flag([-fPIE -pie],
[HARDEN_CFLAGS="$HARDEN_CFLAGS -fPIE"
HARDEN_LDFLAGS="$HARDEN_LDFLAGS -pie"],
[check_link_flag([-fPIE -Wl,-pie],
[HARDEN_CFLAGS="$HARDEN_CFLAGS -fPIE"
HARDEN_LDFLAGS="$HARDEN_LDFLAGS -Wl,-pie"])])])
check_link_flag([-Wl,-z,noexecstack],
[HARDEN_LDFLAGS="$HARDEN_LDFLAGS -Wl,-z,noexecstack"])
check_link_flag([-Wl,-z,relro],
[HARDEN_LDFLAGS="$HARDEN_LDFLAGS -Wl,-z,relro"])
check_link_flag([-Wl,-z,now],
[HARDEN_LDFLAGS="$HARDEN_LDFLAGS -Wl,-z,now"])
])
AC_SUBST([HARDEN_CFLAGS])
AC_SUBST([HARDEN_LDFLAGS])
# End of flag tests.
CC="$saved_CC"
LD="$saved_LD"
# AUTOHARDEN END
#####################################################
PKG_CHECK_MODULES([CHECK], [check >= 0.9.4], [have_check="yes"], [have_check="no"])
AM_CONDITIONAL([MAKE_TESTS], [test x$have_check = xyes])
PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.16],[],[AC_MSG_ERROR(GLib 2.16 or newer not found. Install missing package and re-run)])
PKG_CHECK_MODULES([JSONC], [json-c], [have_jsonc='yes'], [have_jsonc='no'])
PKG_CHECK_MODULES([ZLIB], [zlib], [AC_DEFINE([HAVE_ZLIB], [1], [Found ZLIB])], [AC_MSG_NOTICE(No zlib found)])
AC_CHECK_LIB(json-c, json_object_get_uint64, [AC_DEFINE([JSONC_UINT64_SUPPORT], [1], [json-c supports unsigned 64-bit values])], [])
[if test "$enable_xen" = "yes" || test "$enable_kvm" = "yes"]
[then]
AC_CHECK_LIB(dl, dlopen, [],
[AC_MSG_ERROR(No dl found. Install missing package or re-run with --disable-kvm --disable-xen)])
[fi]
[if test "$enable_xen" = "yes"]
[then]
AC_CHECK_HEADERS([xenctrl.h xen/io/ring.h], [],
[AC_MSG_ERROR([Required Xen headers not found. Install missing package or re-run with --disable-xen])])
AC_CHECK_TYPE(
[hvmmem_access_t],
[AC_DEFINE([HAVE_HVMMEM_ACCESS_T], [1], [xen headers define hvmmem_access_t])],
[],
[#include <xenctrl.h> #include <xen/hvm/save.h>])
AC_DEFINE([ENABLE_XEN], [1], [Define to 1 to enable Xen support.])
[if test "$with_xenstore" = "yes"]
[then]
AC_CHECK_HEADERS([xenstore.h xs.h])
AC_DEFINE([HAVE_LIBXENSTORE], [1], [Define to 1 to enable Xenstore support.])
[fi]
[fi]
[if test "$enable_kvm" = "yes"]
[then]
[if test "$have_jsonc" = "no"]
[then]
AC_MSG_ERROR(No json-c library found. Install missing package or re-run with --disable-kvm)
[fi]
AC_CHECK_LIB(m, ceil, [],
[AC_MSG_ERROR(No libm found. Install missing package or re-run with --disable-kvm)])
AC_CHECK_HEADER(libvirt/libvirt.h, [],
[AC_MSG_ERROR([No libvirt headers found. Install missing package or re-run with --disable-kvm])])
AC_DEFINE([ENABLE_KVM], [1], [Define to 1 to enable KVM support.])
[if test "$enable_kvm_legacy" = "yes"]
[then]
AC_CHECK_LIB(json-c, json_object_get_int64, [],
[AC_MSG_ERROR(["No working JSON-C library found (libjson-c-dev)."])])
AC_CHECK_HEADER(json-c/json.h, [],
[AC_MSG_ERROR(["No working JSON-C library found (libjson-c-dev)."])])
AC_CHECK_HEADER([qemu/libvmi_request.h],
[AC_DEFINE([HAVE_LIBVMI_REQUEST], 1,
[Define to 1 if you have <qemu/libvmi_request.h>.])],
[])
AC_DEFINE([ENABLE_KVM_LEGACY], [1],
[Define to 1 to enable legacy KVM driver support.])
[else]
PKG_CHECK_MODULES([LIBKVMI], [libkvmi], [],
[AC_MSG_ERROR([No libkvmi headers found. Install the library or
enable the legacy KVM driver with --enable-kvm-legacy])])
[fi]
[fi]
[if test "$enable_file" = "yes"]
[then]
AC_DEFINE([ENABLE_FILE], [1], [Define to 1 to enable file support.])
[fi]
[if test "$enable_bareflank" = "yes" && test "$arch" = "x86_64"]
[then]
[if test "$have_jsonc" = "no"]
[then]
AC_MSG_ERROR(No json-c library found. Install missing package or re-run with --disable-bareflank)
[fi]
AC_DEFINE([ENABLE_BAREFLANK], [1], [Define to 1 to enable Bareflank support.])
[fi]
[if test "$enable_windows" = "yes"]
[then]
AC_DEFINE([ENABLE_WINDOWS], [1], [Define to 1 to Windows support.])
[fi]
[if test "$enable_linux" = "yes"]
[then]
AC_DEFINE([ENABLE_LINUX], [1], [Define to 1 to Linux support.])
[fi]
[if test "$enable_freebsd" = "yes"]
[then]
AC_DEFINE([ENABLE_FREEBSD], [1], [Define to 1 to FreeBSD support.])
[fi]
[if test "$volatility_ist" = "yes" -a "$enable_osx" = "yes"]
[then]
AC_DEFINE([ENABLE_OSX], [1], [Define to 1 to enable OSX support.])
[else]
AC_MSG_WARN([Not compiling for OSX since Json profiles are not enabled])
enable_osx='no'
[fi]
have_vmifs='yes'
[if test "$enable_vmifs" = "yes"]
[then]
PKG_CHECK_MODULES([FUSE], [fuse >= 2.2], [missing="no"], [missing="yes"])
[if test x"$missing" = "xyes"]
[then]
AC_DEFINE([ENABLE_VMIFS], [0], [Define to 1 to build VMIFS.])
enable_vmifs='no'
[else]
AC_DEFINE([ENABLE_VMIFS], [1], [Define to 1 to build VMIFS.])
AC_SUBST([FUSE_CFLAGS])
AC_SUBST([FUSE_LIBS])
[fi]
[fi]
AM_CONDITIONAL([VMIFS], [test x"$enable_vmifs" = xyes])
[if test "$configfile" = "yes"]
[then]
AC_CHECK_PROGS(YACC, bison yacc byacc, [no], [path = $PATH])
[if test "$YACC" = "no"]
[then]
[echo "yacc not found in the search path. Please ensure that it is"]
[echo "installed and its directory is included in the search path."]
[echo "Then run configure again before attempting to build LibVMI."]
[exit 1]
[else]
[echo "Found yacc as $YACC."]
[fi]
AC_PROG_YACC
AC_CHECK_PROGS(LEX, lex flex , [no], [path = $PATH])
[if test "$LEX" = "no"]
[then]
[echo "lex not found in the search path. Please ensure that it is"]
[echo "installed and its directory is included in the search path".]
[echo "Then run configure again before attempting to build LibVMI."]
[exit 1]
[else]
[echo "Found lex as $LEX."]
[fi]
AC_PROG_LEX
AC_DEFINE([ENABLE_CONFIGFILE], [1], [Enable libvmi.conf])
[fi]
[if test "$rekall" = "yes" || test "$volatility_ist" = "yes"]
[then]
[if test "$have_jsonc" = "no"]
[then]
AC_MSG_ERROR(No json-c library found. Install missing package or re-run with --disable-rekall-profiles --disable-volatility-ist)
[fi]
AC_DEFINE([ENABLE_JSON_PROFILES], [1], [Defined to 1 when support to JSON profiles is available])
AM_CONDITIONAL([ENABLE_JSON_PROFILES], [test "true" = "true"])
[if test "$rekall" = "yes"]
[then]
AC_DEFINE([REKALL_PROFILES], [1], [Defined to 1 when support to Rekall profiles should be compiled])
[fi]
[if test "$volatility_ist" = "yes"]
[then]
AC_DEFINE([VOLATILITY_IST], [1], [Defined to 1 when support to Volatility IST should be compiled])
[fi]
[else]
AM_CONDITIONAL([ENABLE_JSON_PROFILES], [test "true" = "false"])
[fi]
AM_CONDITIONAL([ENABLE_REKALL_PROFILES], [test x"$rekall" = "xyes"])
AM_CONDITIONAL([ENABLE_VOLATILITY_IST], [test x"$volatility_ist" = "xyes"])
[if test x"$enable_address_cache" = "xyes"]
[then]
AC_DEFINE([ENABLE_ADDRESS_CACHE], [1], [Enable or disable the address cache (v2p, pid, etc)])
[fi]
[if test x"$enable_page_cache" != "xno"]
[then]
AC_DEFINE([ENABLE_PAGE_CACHE], [1], [Enable or disable the page cache])
AC_DEFINE_UNQUOTED([MAX_PAGE_CACHE_SIZE], [$enable_page_cache], [Max number of pages held in page cache])
[fi]
[if test x"$enable_safety_checks" = "xyes"]
[then]
AC_DEFINE([ENABLE_SAFETY_CHECKS], [1], [Enable API safety checks])
[fi]
[if test x"$enable_vmi_debug" = "xyes"]
[then]
AC_DEFINE([VMI_DEBUG], [__VMI_DEBUG_ALL], [Enable LibVMI debug prints])
AC_DEFINE([ENV_DEBUG], [1], [Enable debug prints only when LIBVMI_DEBUG environment variable is set])
[fi]
dnl -----------------------------------------------
dnl Generates Makefile's, configuration files and scripts
dnl -----------------------------------------------
AC_CONFIG_FILES(Makefile libvmi.pc:libvmi.pc.autotools.in)
AC_OUTPUT
dnl -----------------------------------------------
dnl Print current configuration out for user
dnl -----------------------------------------------
AC_MSG_RESULT([-------------------------------------------------------------------------------
LibVMI is configured as follows. Please verify that this configuration
matches your expectations.
Host system type: $host
Build system type: $build
Installation prefix: $prefix
Hypervisor | Option
------------------------|---------------------------
Xen Support | --enable-xen=$enable_xen
KVM Support | --enable-kvm=$enable_kvm
Legacy KVM Driver | --enable-kvm-legacy=$enable_kvm_legacy
File Support | --enable-file=$enable_file
Bareflank | --enable-bareflank=$enable_bareflank
------------------------|---------------------------
OS | Option
------------------------|---------------------------
Windows | --enable-windows=$enable_windows
Linux | --enable-linux=$enable_linux
FreeBSD | --enable-freebsd=$enable_freebsd
OSX | --enable-osx=$enable_osx
------------------------|---------------------------
Configuration | Option
------------------------|---------------------------
libvmi.conf | --enable-config-file=$configfile
Rekall profiles | --enable-rekall-profiles=$rekall
Volatility IST | --enable-volatility-ist=$volatility_ist
------------------------|---------------------------
Tools | Option
------------------------|---------------------------
Examples | --enable-examples=$enable_examples
VMIFS | --enable-vmifs=$enable_vmifs
If everything is correct, you can now run 'make' and (optionally)
'make install'. Otherwise, you can run './configure' again.
])