[swtpm.git] / configure.ac

#
# configure.ac
#
#       The Initial Developer of the Original Code is International
#       Business Machines Corporation. Portions created by IBM
#       Corporation are Copyright (C) 2014 International Business
#       Machines Corporation. All Rights Reserved.
#
#       This program is free software; you can redistribute it and/or modify
#       it under the terms of the Common Public License as published by
#       IBM Corporation; either version 1 of the License, or (at your option)
#       any later version.
#
#       This program is distributed in the hope that it will be useful,
#       but WITHOUT ANY WARRANTY; without even the implied warranty of
#       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#       Common Public License for more details.
#
#       You should have received a copy of the Common Public License
#       along with this program; if not, a copy can be viewed at
#       http://www.opensource.org/licenses/cpl1.0.php.
#
#       This file is derived from tpm-tool's configure.in.
#

AC_INIT(swtpm, 0.1.0)
AC_PREREQ(2.12)
AC_CONFIG_SRCDIR(Makefile.am)
AC_CONFIG_HEADER(config.h)

SWTPM_VER_MAJOR=`echo $PACKAGE_VERSION | cut -d "." -f1`
SWTPM_VER_MINOR=`echo $PACKAGE_VERSION | cut -d "." -f2`
SWTPM_VER_MICRO=`echo $PACKAGE_VERSION | cut -d "." -f3`

AC_SUBST([SWTPM_VER_MAJOR])
AC_SUBST([SWTPM_VER_MINOR])
AC_SUBST([SWTPM_VER_MICRO])

dnl Check for programs
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_LIBTOOL

AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_TARGET
AC_CANONICAL_HOST
AM_INIT_AUTOMAKE([foreign 1.6])

DEBUG=""
AC_MSG_CHECKING([for debug-enabled build])
AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [create a debug build]),
  [if test "$enableval" = "yes"; then
     DEBUG="yes"
     AC_MSG_RESULT([yes])
   else
     DEBUG="no"
     AC_MSG_RESULT([no])
   fi],
  [DEBUG="no",
   AC_MSG_RESULT([no])])

# If the user has not set CFLAGS, do something appropriate
test_CFLAGS=${CFLAGS+set}
if test "$test_CFLAGS" != set; then
	if test "$DEBUG" == "yes"; then
		CFLAGS="-O0 -g -DDEBUG"
	else
		CFLAGS="-g -O2"
	fi
elif test "$DEBUG" == "yes"; then
	CFLAGS="$CFLAGS -O0 -g -DDEBUG"
fi

AC_HEADER_STDC
AC_C_CONST
AC_C_INLINE

AC_TYPE_SIZE_T
AC_TYPE_SIGNAL

AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_MKDIR_P

AC_ARG_WITH([selinux],
   AS_HELP_STRING([--with-selinux],
      [add SELinux policy extensions @<:@default=check@:>@]))
m4_divert_text([DEFAULTS], [with_selinux=check])

dnl Check for SELinux policy support

if test "$with_selinux" != "no"; then
    if test "$with_selinux" = "check" || test "$with_selinux" = "yes"; then
        if ! test -f /usr/share/selinux/devel/Makefile; then
            if test "$with_selinux" = "yes"; then
                AC_MSG_ERROR("Is selinux-policy-devel installed?")
            else
                with_selinux="no"
            fi
        fi
        AC_PATH_PROG([SEMODULE], semodule)
        if test "x$SEMODULE" == "x"; then
            if test "$with_selinux" = "yes"; then
	        AC_MSG_ERROR("Is selinux-policy-devel installed?")
	    else
	        with_selinux="no"
	    fi
        fi
        if test "$with_selinux" = "check"; then
            with_selinux="yes"
        fi
    fi
fi
AM_CONDITIONAL([WITH_SELINUX], [test "x$with_selinux" == "xyes"])

GLIB_CFLAGS=$(pkg-config --cflags glib-2.0)
if test $? -ne 0; then
	AC_MSG_ERROR("Is glib-2.0 installed? -- could not get cflags")
fi
AC_SUBST([GLIB_CFLAGS])

GLIB_LIBS=$(pkg-config --libs glib-2.0)
if test $? -ne 0; then
	AC_MSG_ERROR("Is glib-2.0 installed? -- could not get libs")
fi
AC_SUBST([GLIB_LIBS])

GTHREAD_LIBS=$(pkg-config --libs gthread-2.0)
if test $? -ne 0; then
	AC_MSG_ERROR("Is glib-2.0 installed? -- could not get libs for gthread-2.0")
fi
AC_SUBST([GTHREAD_LIBS])

cryptolib=freebl

AC_ARG_WITH([openssl],
            AC_HELP_STRING([--with-openssl],
                           [build with openssl library]),
              [AC_CHECK_LIB(crypto,
                            [AES_set_encrypt_key],
                            [],
                            AC_MSG_ERROR(Faulty openssl crypto library))
               AC_CHECK_HEADERS([openssl/aes.h],[],
                            AC_MSG_ERROR(Is openssl-devel/libssl-dev installed?))
               AC_MSG_RESULT([Building with openssl crypto library])
               cryptolib=openssl
              ]
)

case "$cryptolib" in
freebl)
    AM_CONDITIONAL(SWTPM_USE_FREEBL, true)
    AM_CONDITIONAL(SWTPM_USE_OPENSSL, false)
    AC_DEFINE([USE_FREEBL_CRYPTO_LIBRARY],
              [1],
              [use freebl crypto library])

    NSPR_CFLAGS=$(nspr-config --cflags)
    if test $? -ne 0; then
        AC_MSG_ERROR("Could not find nspr-config. Is nspr-devel/libnspr4-dev installed?")
    fi
    AC_SUBST([NSPR_CFLAGS])

    NSS_CFLAGS=$(nss-config --cflags)
    if test $? -ne 0; then
        AC_MSG_ERROR("Could not find nss-config. Is nss-devel/libnss3-dev installed?")
    fi
    AC_SUBST([NSS_CFLAGS])

    NSS_LIBS=$(nss-config --libs)
    if test $? -ne 0; then
        AC_MSG_ERROR("Is nss-devel/libnss3-dev installed? -- could not get libs for nss")
    fi
    dnl On RHEL 7 ppc64 we need an explicit -lfreebl
    NSS_LIBS="$NSS_LIBS -lfreebl"
    AC_SUBST([NSS_LIBS])

    CPPFLAGS="$NSS_CFLAGS $NSPR_CFLAGS"
    AC_CHECK_HEADERS([sslerr.h],[],
                     AC_MSG_ERROR(nss-devel/libnss3-dev is bad))

    # Check for missing headers
    CFLAGS_save="$CFLAGS"
    CFLAGS="$NSS_CFLAGS $NSPR_CFLAGS"
    AC_CHECK_HEADERS([blapi.h],[],
                     AC_MSG_ERROR(nss-softokn-freebl-devel/libnss3-dev is missing blapi.h))
    # Check for missing freebl library or missing library functions
    LIBS_save="$LIBS"
    LIBS="$(nss-config --libs) $(nspr-config --libs)"
    AC_SEARCH_LIBS([AES_CreateContext], [freebl],[],
                   AC_MSG_ERROR("Could not find AES_CreateContext(). Is nss-softokn-freebl-devel/libnss3-dev installed?"),
                   [])
    LIBS="$LIBS_save"
    CPPFLAGS=""
    CFLAGS="$CFLAGS_save"

    ;;
openssl)
    AM_CONDITIONAL(SWTPM_USE_FREEBL, false)
    AM_CONDITIONAL(SWTPM_USE_OPENSSL, true)
    AC_DEFINE([USE_OPENSSL_CRYPTO_LIBRARY],
              [1],
              [use openssl crypto library])
    ;;
esac

LIBTASN1_LIBS=$(pkg-config --libs libtasn1)
if test $? -ne 0; then
	AC_MSG_ERROR("Is libtasn1-devel installed? -- could not get libs for libtasn1")
fi
AC_SUBST([LIBTASN1_LIBS])

LIBTPMS_LIBS=$(pkg-config --libs libtpms)
if test $? -ne 0; then
	AC_MSG_ERROR("Is libtpms-devel installed? -- could not get libs for libtpms")
fi
AC_SUBST([LIBTPMS_LIBS])

AC_PATH_PROG([TPM_NVDEFINE], tpm_nvdefine)
case $host_os in
linux-*)
    if test "x$TPM_NVDEFINE" == "x"; then
	AC_MSG_ERROR([NVRAM area tools are needed: tpm-tools package])
    fi
    with_tcsd=yes
    ;;
*)
    with_tcsd=no
esac
with_swtpm_setup=$with_tcsd
AM_CONDITIONAL([WITH_SWTPM_SETUP], test "$with_swtpm_setup" != "no")

AC_MSG_CHECKING([for whether to build with CUSE interface])
AC_ARG_WITH([cuse],
            AC_HELP_STRING([--with-cuse],
                           [build with CUSE interface]),
            [],
            [with_cuse=check]
)

if test "$with_cuse" != "no"; then
    LIBFUSE_CFLAGS=$(pkg-config fuse --cflags 2>/dev/null)
    if test $? -ne 0; then
        if test "$with_cuse" = "yes"; then
            AC_MSG_ERROR("Is fuse-devel installed? -- could not get cflags for libfuse")
        else
            with_cuse=no
        fi
    else
        with_cuse=yes
    fi
fi

dnl with_cuse is now yes or no
if test "$with_cuse" != "no"; then
    LIBFUSE_LIBS=$(pkg-config fuse --libs)
    if test $? -ne 0; then
        AC_MSG_ERROR("Is fuse-devel installed? -- could not get libs for libfuse")
    fi
    AC_SUBST([LIBFUSE_CFLAGS])
    AC_SUBST([LIBFUSE_LIBS])
    AC_DEFINE_UNQUOTED([WITH_CUSE], 1,
                       [whether to build with CUSE interface])
fi
AM_CONDITIONAL([WITH_CUSE],[test "$with_cuse" = "yes"])
AC_MSG_RESULT($with_cuse)

AC_MSG_CHECKING([for whether to build with chardev interface])
case $host_os in
linux-*)
    with_chardev=yes
    AC_DEFINE_UNQUOTED([WITH_CHARDEV], 1,
                       [whether to build with chardev interface])
    ;;
*)
    with_chardev=no
esac
AM_CONDITIONAL([WITH_CHARDEV],[test "$with_chardev" = "yes"])
AC_MSG_RESULT($with_cuse)

AC_ARG_WITH([gnutls],
            AC_HELP_STRING([--with-gnutls],
                           [build with gnutls library]),
            [],
            [with_gnutls=check]
)

if test "x$with_gnutls" != "xno"; then
    GNUTLS_LDFLAGS=$(pkg-config --libs gnutls)
    if test $? -ne 0; then
        if test "x$with_gnutls" == "xyes"; then
            AC_MSG_ERROR("Is gnutls installed? -- could not get libs for gnutls")
        else
            with_gnutls=no
        fi
    fi
fi

if test "x$with_gnutls" != "xno"; then
     AC_PATH_PROG([GNUTLS_CERTTOOL], certtool)
     if test "x$GNUTLS_CERTTOOL" == "x"; then
         if test "x$with_gnutls" == "xyes"; then
             AC_MSG_ERROR("Could not find certtool. Is gnutls-utils/gnutls-bin installed?")
         else
             with_gnutls=no
         fi
     fi
fi

if test "x$with_gnutls" != "xno"; then
    GNUTLS_CFLAGS=$(pkg-config gnutls --cflags)
    AC_CHECK_LIB([gnutls], [gnutls_load_file], [
                 GNUTLS_LIBS=-lgnutls
             ],
             [if test "x$with_gnutls" == "xyes"; then
                 AC_MSG_ERROR([GNUTLS >= 3.1.0 library not found: libgnutls.so])
              else
                 with_gnutls="no"
              fi])
fi

if test "x$with_gnutls" != "xno"; then
    AC_CHECK_HEADER(gnutls/abstract.h, [], \
             [if test "x$with_gnutls" == "xyes"; then
                 AC_MSG_ERROR([GNUTLS >= 3.1.0 library header not found: gnutls/abstract.h])
              else
                 with_gnutls="no"
              fi])
fi

if test "x$with_gnutls" != "xno"; then
    with_gnutls="yes"
fi
AM_CONDITIONAL([WITH_GNUTLS], [test "x$with_gnutls" == "xyes"])
AC_SUBST([GNUTLS_LIBS])

AC_PATH_PROG([EXPECT], expect)
if test "x$EXPECT" == "x"; then
	AC_MSG_ERROR([expect is required: expect package])
fi

AC_PATH_PROG([GAWK], gawk)
if test "x$GAWK" == "x"; then
	AC_MSG_ERROR([gawk is required: gawk package])
fi

AC_PATH_PROG([SOCAT], socat)
if test "x$SOCAT" == "x"; then
	AC_MSG_ERROR([socat is required: socat package])
fi

TMP="$($CC -fstack-protector-strong 2>&1)"
if echo $TMP | $GREP 'unrecognized command line option' >/dev/null; then
  HARDENING_CFLAGS="-fstack-protector -Wstack-protector "
else
  HARDENING_CFLAGS="-fstack-protector-strong -Wstack-protector "
fi

dnl Must not have -O0 but must have a -O for -D_FORTIFY_SOURCE=2
TMP1="$(echo $CFLAGS | sed -n 's/.*\(-O0\).*/\1/p')"
TMP2="$(echo $CFLAGS | sed -n 's/.*\(-O\).*/\1/p')"
if test -z "$TMP1" && test -n "$TPM2"; then
    HARDENING_CFLAGS+="-D_FORTIFY_SOURCE=2 "
fi
dnl Check ld for 'relro' and 'now'
if $LD --help 2>&1 | $GREP '\-z relro ' > /dev/null; then
  HARDENING_CFLAGS+="-Wl,-z,relro "
fi
if $LD --help 2>&1 | $GREP '\-z now ' > /dev/null; then
  HARDENING_CFLAGS+="-Wl,-z,now "
fi
AC_SUBST([HARDENING_CFLAGS])

AC_ARG_WITH([tss-user],
            AC_HELP_STRING([--with-tss-user=TSS_USER],
                           [The tss user to use]),
            [TSS_USER="$withval"],
            [TSS_USER="tss"]
)

AC_ARG_WITH([tss-group],
            AC_HELP_STRING([--with-tss-group=TSS_GROUP],
                           [The tss group to use]),
            [TSS_GROUP="$withval"],
            [TSS_GROUP="tss"]
)
AC_SUBST([TSS_USER])
AC_SUBST([TSS_GROUP])

CFLAGS="$CFLAGS -Wreturn-type -Wsign-compare -Wswitch-enum"
CFLAGS="$CFLAGS -Wmissing-prototypes -Wall -Werror"
CFLAGS="$CFLAGS -Wformat -Wformat-security"

dnl We have to make sure libtpms is using the same crypto library
dnl to avoid problems
AC_MSG_CHECKING([the crypto library libtpms is using])
dirs=$($CC $CFLAGS -Xlinker --verbose 2>/dev/null | \
       sed -n '/SEARCH_DIR/p' | \
       sed 's/SEARCH_DIR("=\?\(@<:@^"@:>@\+\)"); */\1\n/g')
for dir in $dirs $LIBRARY_PATH; do
  if test -r $dir/libtpms.so; then
    if test -n "`ldd $dir/libtpms.so | grep libcrypto.so`"; then
      libtpms_cryptolib="openssl"
      break
    fi
    if test -n "`ldd $dir/libtpms.so | grep libnss3.so`"; then
      libtpms_cryptolib="freebl"
      break
    fi
  fi
  case $host_os in
  cygwin)
    if test -r $dir/libtpms.a; then
      if test -n "$(nm $dir/libtpms.a | grep "U AES_encrypt")"; then
        libtpms_cryptolib="openssl"
      fi
    fi
  esac
done

if test -z "$libtpms_cryptolib"; then
  AC_MSG_ERROR([Could not determine libtpms crypto library.])
fi

AC_MSG_RESULT([$libtpms_cryptolib])

if test "$libtpms_cryptolib" != "$cryptolib"; then
  echo "libtpms is using $libtpms_cryptolib; we have to use the same"
  if test "$cryptolib" == "openssl"; then
    AC_MSG_ERROR([do not use --with-openssl])
  else
    AC_MSG_ERROR([use --with-openssl])
  fi
fi

case $host_os in
cygwin)
  CFLAGS="$CFLAGS -D__USE_LINUX_IOCTL_DEFS"
esac

AC_CONFIG_FILES([Makefile                    \
		dist/swtpm.spec             \
		etc/Makefile                \
		samples/Makefile            \
		include/Makefile            \
		include/swtpm/Makefile      \
		include/swtpm.h             \
		src/Makefile                \
		src/selinux/Makefile        \
		src/swtpm/Makefile          \
		src/swtpm_bios/Makefile     \
		src/swtpm_cert/Makefile     \
		src/swtpm_ioctl/Makefile    \
		src/swtpm_setup/Makefile    \
		src/swtpm_setup/swtpm_setup.h  \
		man/Makefile                \
		man/man3/Makefile           \
		man/man8/Makefile           \
		tests/Makefile              \
		tests/test_config           \
		])
AC_CONFIG_FILES([src/swtpm_setup/swtpm_setup.sh],
		[chmod 755 src/swtpm_setup/swtpm_setup.sh])
AC_OUTPUT

echo
printf "with_gnutls     : %5s  (no = swtpm_cert will NOT be built)\n" $with_gnutls
printf "with_selinux    : %5s  (no = SELinux policy extenions will NOT be built)\n" $with_selinux
printf "with_cuse       : %5s  (no = no CUSE interface)\n" $with_cuse
printf "with_chardev    : %5s  (no = no chardev interface)\n" $with_chardev
printf "with_swtpm_setup: %5s  (no = swtpm_setup will NOT be built)\n" $with_swtpm_setup
echo
echo "cryptolib: $cryptolib"
echo
echo "CFLAGS=$CFLAGS"
echo "HARDENING_CFLAGS=$HARDENING_CFLAGS"
echo "LDFLAGS=$LDFLAGS"
echo
echo "TSS_USER=$TSS_USER"
echo "TSS_GROUP=$TSS_GROUP"
echo
Commit	Line	Data
f163b202 SB	1	#
	2	# configure.ac
	3	#
	4	# The Initial Developer of the Original Code is International
	5	# Business Machines Corporation. Portions created by IBM
	6	# Corporation are Copyright (C) 2014 International Business
	7	# Machines Corporation. All Rights Reserved.
	8	#
	9	# This program is free software; you can redistribute it and/or modify
	10	# it under the terms of the Common Public License as published by
	11	# IBM Corporation; either version 1 of the License, or (at your option)
	12	# any later version.
	13	#
	14	# This program is distributed in the hope that it will be useful,
	15	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	# Common Public License for more details.
	18	#
	19	# You should have received a copy of the Common Public License
	20	# along with this program; if not, a copy can be viewed at
	21	# http://www.opensource.org/licenses/cpl1.0.php.
	22	#
	23	# This file is derived from tpm-tool's configure.in.
	24	#
	25
	26	AC_INIT(swtpm, 0.1.0)
	27	AC_PREREQ(2.12)
	28	AC_CONFIG_SRCDIR(Makefile.am)
	29	AC_CONFIG_HEADER(config.h)
	30
	31	SWTPM_VER_MAJOR=`echo $PACKAGE_VERSION \| cut -d "." -f1`
	32	SWTPM_VER_MINOR=`echo $PACKAGE_VERSION \| cut -d "." -f2`
	33	SWTPM_VER_MICRO=`echo $PACKAGE_VERSION \| cut -d "." -f3`
	34
	35	AC_SUBST([SWTPM_VER_MAJOR])
	36	AC_SUBST([SWTPM_VER_MINOR])
	37	AC_SUBST([SWTPM_VER_MICRO])
	38
	39	dnl Check for programs
	40	AC_PROG_CC
	41	AC_PROG_INSTALL
	42	AC_PROG_LN_S
	43	AC_PROG_LIBTOOL
	44
f163b202 SB	45	AC_CONFIG_MACRO_DIR([m4])
f163b202 SB	46	AC_CANONICAL_TARGET
c3fdf688	47	AC_CANONICAL_HOST
f163b202 SB	48	AM_INIT_AUTOMAKE([foreign 1.6])
	49
	50	DEBUG=""
	51	AC_MSG_CHECKING([for debug-enabled build])
	52	AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [create a debug build]),
	53	[if test "$enableval" = "yes"; then
	54	DEBUG="yes"
	55	AC_MSG_RESULT([yes])
	56	else
	57	DEBUG="no"
	58	AC_MSG_RESULT([no])
	59	fi],
	60	[DEBUG="no",
	61	AC_MSG_RESULT([no])])
	62
	63	# If the user has not set CFLAGS, do something appropriate
	64	test_CFLAGS=${CFLAGS+set}
	65	if test "$test_CFLAGS" != set; then
	66	if test "$DEBUG" == "yes"; then
	67	CFLAGS="-O0 -g -DDEBUG"
	68	else
	69	CFLAGS="-g -O2"
	70	fi
	71	elif test "$DEBUG" == "yes"; then
	72	CFLAGS="$CFLAGS -O0 -g -DDEBUG"
	73	fi
	74
e46a2b66 SB	75	AC_HEADER_STDC
	76	AC_C_CONST
	77	AC_C_INLINE
	78
	79	AC_TYPE_SIZE_T
	80	AC_TYPE_SIGNAL
	81
baecda40 SB	82	AC_PROG_CC
baecda40 SB	83	AC_PROG_INSTALL
3cb54a5d	84	AC_PROG_MKDIR_P
e46a2b66	85
ec37bb56 SB	86	AC_ARG_WITH([selinux],
	87	AS_HELP_STRING([--with-selinux],
	88	[add SELinux policy extensions @<:@default=check@:>@]))
	89	m4_divert_text([DEFAULTS], [with_selinux=check])
	90
	91	dnl Check for SELinux policy support
	92
	93	if test "$with_selinux" != "no"; then
	94	if test "$with_selinux" = "check" \|\| test "$with_selinux" = "yes"; then
	95	if ! test -f /usr/share/selinux/devel/Makefile; then
	96	if test "$with_selinux" = "yes"; then
	97	AC_MSG_ERROR("Is selinux-policy-devel installed?")
	98	else
	99	with_selinux="no"
	100	fi
	101	fi
	102	AC_PATH_PROG([SEMODULE], semodule)
	103	if test "x$SEMODULE" == "x"; then
	104	if test "$with_selinux" = "yes"; then
	105	AC_MSG_ERROR("Is selinux-policy-devel installed?")
	106	else
	107	with_selinux="no"
	108	fi
	109	fi
	110	if test "$with_selinux" = "check"; then
	111	with_selinux="yes"
	112	fi
	113	fi
	114	fi
	115	AM_CONDITIONAL([WITH_SELINUX], [test "x$with_selinux" == "xyes"])
	116
f163b202 SB	117	GLIB_CFLAGS=$(pkg-config --cflags glib-2.0)
	118	if test $? -ne 0; then
	119	AC_MSG_ERROR("Is glib-2.0 installed? -- could not get cflags")
	120	fi
baecda40	121	AC_SUBST([GLIB_CFLAGS])
f163b202	122
baecda40	123	GLIB_LIBS=$(pkg-config --libs glib-2.0)
f163b202 SB	124	if test $? -ne 0; then
	125	AC_MSG_ERROR("Is glib-2.0 installed? -- could not get libs")
	126	fi
baecda40	127	AC_SUBST([GLIB_LIBS])
f163b202	128
baecda40	129	GTHREAD_LIBS=$(pkg-config --libs gthread-2.0)
f163b202 SB	130	if test $? -ne 0; then
	131	AC_MSG_ERROR("Is glib-2.0 installed? -- could not get libs for gthread-2.0")
	132	fi
baecda40	133	AC_SUBST([GTHREAD_LIBS])
f163b202	134
3bbdd7bc SB	135	cryptolib=freebl
	136
	137	AC_ARG_WITH([openssl],
	138	AC_HELP_STRING([--with-openssl],
213677a2	139	[build with openssl library]),
3bbdd7bc SB	140	[AC_CHECK_LIB(crypto,
	141	[AES_set_encrypt_key],
	142	[],
	143	AC_MSG_ERROR(Faulty openssl crypto library))
	144	AC_CHECK_HEADERS([openssl/aes.h],[],
	145	AC_MSG_ERROR(Is openssl-devel/libssl-dev installed?))
	146	AC_MSG_RESULT([Building with openssl crypto library])
	147	cryptolib=openssl
	148	]
	149	)
	150
	151	case "$cryptolib" in
	152	freebl)
	153	AM_CONDITIONAL(SWTPM_USE_FREEBL, true)
	154	AM_CONDITIONAL(SWTPM_USE_OPENSSL, false)
	155	AC_DEFINE([USE_FREEBL_CRYPTO_LIBRARY],
	156	[1],
	157	[use freebl crypto library])
	158
	159	NSPR_CFLAGS=$(nspr-config --cflags)
	160	if test $? -ne 0; then
	161	AC_MSG_ERROR("Could not find nspr-config. Is nspr-devel/libnspr4-dev installed?")
	162	fi
	163	AC_SUBST([NSPR_CFLAGS])
	164
	165	NSS_CFLAGS=$(nss-config --cflags)
	166	if test $? -ne 0; then
	167	AC_MSG_ERROR("Could not find nss-config. Is nss-devel/libnss3-dev installed?")
	168	fi
	169	AC_SUBST([NSS_CFLAGS])
	170
	171	NSS_LIBS=$(nss-config --libs)
	172	if test $? -ne 0; then
	173	AC_MSG_ERROR("Is nss-devel/libnss3-dev installed? -- could not get libs for nss")
	174	fi
	175	dnl On RHEL 7 ppc64 we need an explicit -lfreebl
	176	NSS_LIBS="$NSS_LIBS -lfreebl"
	177	AC_SUBST([NSS_LIBS])
	178
	179	CPPFLAGS="$NSS_CFLAGS $NSPR_CFLAGS"
	180	AC_CHECK_HEADERS([sslerr.h],[],
	181	AC_MSG_ERROR(nss-devel/libnss3-dev is bad))
	182
	183	# Check for missing headers
	184	CFLAGS_save="$CFLAGS"
	185	CFLAGS="$NSS_CFLAGS $NSPR_CFLAGS"
	186	AC_CHECK_HEADERS([blapi.h],[],
	187	AC_MSG_ERROR(nss-softokn-freebl-devel/libnss3-dev is missing blapi.h))
	188	# Check for missing freebl library or missing library functions
	189	LIBS_save="$LIBS"
	190	LIBS="$(nss-config --libs) $(nspr-config --libs)"
	191	AC_SEARCH_LIBS([AES_CreateContext], [freebl],[],
	192	AC_MSG_ERROR("Could not find AES_CreateContext(). Is nss-softokn-freebl-devel/libnss3-dev installed?"),
	193	[])
	194	LIBS="$LIBS_save"
	195	CPPFLAGS=""
	196	CFLAGS="$CFLAGS_save"
	197
	198	;;
	199	openssl)
	200	AM_CONDITIONAL(SWTPM_USE_FREEBL, false)
	201	AM_CONDITIONAL(SWTPM_USE_OPENSSL, true)
	202	AC_DEFINE([USE_OPENSSL_CRYPTO_LIBRARY],
	203	[1],
204	[use openssl crypto library])
205	;;
206	esac
833a5416	207
baecda40 SB	208	LIBTASN1_LIBS=$(pkg-config --libs libtasn1)
	209	if test $? -ne 0; then
	210	AC_MSG_ERROR("Is libtasn1-devel installed? -- could not get libs for libtasn1")
	211	fi
	212	AC_SUBST([LIBTASN1_LIBS])
f163b202	213
baecda40 SB	214	LIBTPMS_LIBS=$(pkg-config --libs libtpms)
	215	if test $? -ne 0; then
	216	AC_MSG_ERROR("Is libtpms-devel installed? -- could not get libs for libtpms")
	217	fi
	218	AC_SUBST([LIBTPMS_LIBS])
f163b202	219
e46a2b66	220	AC_PATH_PROG([TPM_NVDEFINE], tpm_nvdefine)
c3fdf688 SB	221	case $host_os in
	222	linux-*)
	223	if test "x$TPM_NVDEFINE" == "x"; then
	224	AC_MSG_ERROR([NVRAM area tools are needed: tpm-tools package])
	225	fi
	226	with_tcsd=yes
	227	;;
	228	*)
	229	with_tcsd=no
	230	esac
	231	with_swtpm_setup=$with_tcsd
	232	AM_CONDITIONAL([WITH_SWTPM_SETUP], test "$with_swtpm_setup" != "no")
e46a2b66	233
09d1a532 SB	234	AC_MSG_CHECKING([for whether to build with CUSE interface])
	235	AC_ARG_WITH([cuse],
	236	AC_HELP_STRING([--with-cuse],
	237	[build with CUSE interface]),
	238	[],
	239	[with_cuse=check]
	240	)
f163b202	241
09d1a532 SB	242	if test "$with_cuse" != "no"; then
	243	LIBFUSE_CFLAGS=$(pkg-config fuse --cflags 2>/dev/null)
	244	if test $? -ne 0; then
	245	if test "$with_cuse" = "yes"; then
	246	AC_MSG_ERROR("Is fuse-devel installed? -- could not get cflags for libfuse")
	247	else
	248	with_cuse=no
	249	fi
	250	else
	251	with_cuse=yes
	252	fi
498433f7	253	fi
09d1a532 SB	254
	255	dnl with_cuse is now yes or no
	256	if test "$with_cuse" != "no"; then
	257	LIBFUSE_LIBS=$(pkg-config fuse --libs)
	258	if test $? -ne 0; then
	259	AC_MSG_ERROR("Is fuse-devel installed? -- could not get libs for libfuse")
	260	fi
	261	AC_SUBST([LIBFUSE_CFLAGS])
	262	AC_SUBST([LIBFUSE_LIBS])
	263	AC_DEFINE_UNQUOTED([WITH_CUSE], 1,
	264	[whether to build with CUSE interface])
baecda40	265	fi
09d1a532 SB	266	AM_CONDITIONAL([WITH_CUSE],[test "$with_cuse" = "yes"])
09d1a532 SB	267	AC_MSG_RESULT($with_cuse)
f163b202	268
498433f7 SB	269	AC_MSG_CHECKING([for whether to build with chardev interface])
	270	case $host_os in
	271	linux-*)
	272	with_chardev=yes
	273	AC_DEFINE_UNQUOTED([WITH_CHARDEV], 1,
	274	[whether to build with chardev interface])
	275	;;
	276	*)
	277	with_chardev=no
	278	esac
	279	AM_CONDITIONAL([WITH_CHARDEV],[test "$with_chardev" = "yes"])
	280	AC_MSG_RESULT($with_cuse)
	281
10002933 SB	282	AC_ARG_WITH([gnutls],
	283	AC_HELP_STRING([--with-gnutls],
	284	[build with gnutls library]),
	285	[],
	286	[with_gnutls=check]
	287	)
	288
e46a2b66 SB	289	if test "x$with_gnutls" != "xno"; then
	290	GNUTLS_LDFLAGS=$(pkg-config --libs gnutls)
	291	if test $? -ne 0; then
1828edee	292	if test "x$with_gnutls" == "xyes"; then
e46a2b66 SB	293	AC_MSG_ERROR("Is gnutls installed? -- could not get libs for gnutls")
	294	else
	295	with_gnutls=no
	296	fi
	297	fi
	298	fi
f163b202	299
1828edee SB	300	if test "x$with_gnutls" != "xno"; then
	301	AC_PATH_PROG([GNUTLS_CERTTOOL], certtool)
	302	if test "x$GNUTLS_CERTTOOL" == "x"; then
	303	if test "x$with_gnutls" == "xyes"; then
	304	AC_MSG_ERROR("Could not find certtool. Is gnutls-utils/gnutls-bin installed?")
	305	else
	306	with_gnutls=no
	307	fi
	308	fi
	309	fi
	310
e46a2b66	311	if test "x$with_gnutls" != "xno"; then
baecda40	312	GNUTLS_CFLAGS=$(pkg-config gnutls --cflags)
10002933	313	AC_CHECK_LIB([gnutls], [gnutls_load_file], [
baecda40 SB	314	GNUTLS_LIBS=-lgnutls
baecda40 SB	315	],
e46a2b66 SB	316	[if test "x$with_gnutls" == "xyes"; then
	317	AC_MSG_ERROR([GNUTLS >= 3.1.0 library not found: libgnutls.so])
	318	else
	319	with_gnutls="no"
	320	fi])
	321	fi
	322
	323	if test "x$with_gnutls" != "xno"; then
	324	AC_CHECK_HEADER(gnutls/abstract.h, [], \
	325	[if test "x$with_gnutls" == "xyes"; then
	326	AC_MSG_ERROR([GNUTLS >= 3.1.0 library header not found: gnutls/abstract.h])
	327	else
	328	with_gnutls="no"
	329	fi])
	330	fi
	331
	332	if test "x$with_gnutls" != "xno"; then
	333	with_gnutls="yes"
	334	fi
	335	AM_CONDITIONAL([WITH_GNUTLS], [test "x$with_gnutls" == "xyes"])
baecda40	336	AC_SUBST([GNUTLS_LIBS])
f163b202	337
48abfbb1 SB	338	AC_PATH_PROG([EXPECT], expect)
	339	if test "x$EXPECT" == "x"; then
	340	AC_MSG_ERROR([expect is required: expect package])
	341	fi
	342
b080afb5 SB	343	AC_PATH_PROG([GAWK], gawk)
	344	if test "x$GAWK" == "x"; then
	345	AC_MSG_ERROR([gawk is required: gawk package])
	346	fi
	347
8cb126e4 SB	348	AC_PATH_PROG([SOCAT], socat)
	349	if test "x$SOCAT" == "x"; then
	350	AC_MSG_ERROR([socat is required: socat package])
	351	fi
	352
08f1e70d SB	353	TMP="$($CC -fstack-protector-strong 2>&1)"
	354	if echo $TMP \| $GREP 'unrecognized command line option' >/dev/null; then
	355	HARDENING_CFLAGS="-fstack-protector -Wstack-protector "
f77427eb	356	else
08f1e70d	357	HARDENING_CFLAGS="-fstack-protector-strong -Wstack-protector "
f77427eb	358	fi
a76b4eeb SB	359
	360	dnl Must not have -O0 but must have a -O for -D_FORTIFY_SOURCE=2
	361	TMP1="$(echo $CFLAGS \| sed -n 's/.\(-O0\)./\1/p')"
	362	TMP2="$(echo $CFLAGS \| sed -n 's/.\(-O\)./\1/p')"
	363	if test -z "$TMP1" && test -n "$TPM2"; then
	364	HARDENING_CFLAGS+="-D_FORTIFY_SOURCE=2 "
	365	fi
	366	dnl Check ld for 'relro' and 'now'
	367	if $LD --help 2>&1 \| $GREP '\-z relro ' > /dev/null; then
	368	HARDENING_CFLAGS+="-Wl,-z,relro "
	369	fi
	370	if $LD --help 2>&1 \| $GREP '\-z now ' > /dev/null; then
	371	HARDENING_CFLAGS+="-Wl,-z,now "
	372	fi
e6085e96 SB	373	AC_SUBST([HARDENING_CFLAGS])
e6085e96 SB	374
c4ac0a11 SB	375	AC_ARG_WITH([tss-user],
	376	AC_HELP_STRING([--with-tss-user=TSS_USER],
	377	[The tss user to use]),
	378	[TSS_USER="$withval"],
	379	[TSS_USER="tss"]
	380	)
	381
	382	AC_ARG_WITH([tss-group],
	383	AC_HELP_STRING([--with-tss-group=TSS_GROUP],
	384	[The tss group to use]),
	385	[TSS_GROUP="$withval"],
	386	[TSS_GROUP="tss"]
	387	)
	388	AC_SUBST([TSS_USER])
	389	AC_SUBST([TSS_GROUP])
	390
f163b202 SB	391	CFLAGS="$CFLAGS -Wreturn-type -Wsign-compare -Wswitch-enum"
f163b202 SB	392	CFLAGS="$CFLAGS -Wmissing-prototypes -Wall -Werror"
e6085e96	393	CFLAGS="$CFLAGS -Wformat -Wformat-security"
f163b202	394
86cc4527 SB	395	dnl We have to make sure libtpms is using the same crypto library
	396	dnl to avoid problems
	397	AC_MSG_CHECKING([the crypto library libtpms is using])
	398	dirs=$($CC $CFLAGS -Xlinker --verbose 2>/dev/null \| \
	399	sed -n '/SEARCH_DIR/p' \| \
	400	sed 's/SEARCH_DIR("=\?\(@<:@^"@:>@\+\)"); */\1\n/g')
4c0b273b	401	for dir in $dirs $LIBRARY_PATH; do
86cc4527 SB	402	if test -r $dir/libtpms.so; then
	403	if test -n "`ldd $dir/libtpms.so \| grep libcrypto.so`"; then
	404	libtpms_cryptolib="openssl"
	405	break
	406	fi
	407	if test -n "`ldd $dir/libtpms.so \| grep libnss3.so`"; then
	408	libtpms_cryptolib="freebl"
	409	break
	410	fi
	411	fi
6286beac SB	412	case $host_os in
	413	cygwin)
	414	if test -r $dir/libtpms.a; then
	415	if test -n "$(nm $dir/libtpms.a \| grep "U AES_encrypt")"; then
	416	libtpms_cryptolib="openssl"
	417	fi
	418	fi
	419	esac
86cc4527 SB	420	done
	421
	422	if test -z "$libtpms_cryptolib"; then
	423	AC_MSG_ERROR([Could not determine libtpms crypto library.])
	424	fi
	425
	426	AC_MSG_RESULT([$libtpms_cryptolib])
	427
	428	if test "$libtpms_cryptolib" != "$cryptolib"; then
	429	echo "libtpms is using $libtpms_cryptolib; we have to use the same"
	430	if test "$cryptolib" == "openssl"; then
	431	AC_MSG_ERROR([do not use --with-openssl])
	432	else
	433	AC_MSG_ERROR([use --with-openssl])
	434	fi
	435	fi
	436
6286beac SB	437	case $host_os in
	438	cygwin)
	439	CFLAGS="$CFLAGS -D__USE_LINUX_IOCTL_DEFS"
	440	esac
	441
58774fd6	442	AC_CONFIG_FILES([Makefile \
f163b202	443	dist/swtpm.spec \
e46a2b66 SB	444	etc/Makefile \
e46a2b66 SB	445	samples/Makefile \
f163b202 SB	446	include/Makefile \
f163b202 SB	447	include/swtpm/Makefile \
a1fa5d77	448	include/swtpm.h \
f163b202 SB	449	src/Makefile \
	450	src/selinux/Makefile \
	451	src/swtpm/Makefile \
e46a2b66 SB	452	src/swtpm_bios/Makefile \
	453	src/swtpm_cert/Makefile \
	454	src/swtpm_ioctl/Makefile \
	455	src/swtpm_setup/Makefile \
c4ac0a11	456	src/swtpm_setup/swtpm_setup.h \
f163b202	457	man/Makefile \
39d0c3de	458	man/man3/Makefile \
f163b202	459	man/man8/Makefile \
e46a2b66	460	tests/Makefile \
c4ac0a11	461	tests/test_config \
10002933 SB	462	])
	463	AC_CONFIG_FILES([src/swtpm_setup/swtpm_setup.sh],
	464	[chmod 755 src/swtpm_setup/swtpm_setup.sh])
f163b202 SB	465	AC_OUTPUT
f163b202 SB	466
e46a2b66	467	echo
c3fdf688 SB	468	printf "with_gnutls : %5s (no = swtpm_cert will NOT be built)\n" $with_gnutls
	469	printf "with_selinux : %5s (no = SELinux policy extenions will NOT be built)\n" $with_selinux
	470	printf "with_cuse : %5s (no = no CUSE interface)\n" $with_cuse
498433f7	471	printf "with_chardev : %5s (no = no chardev interface)\n" $with_chardev
c3fdf688	472	printf "with_swtpm_setup: %5s (no = swtpm_setup will NOT be built)\n" $with_swtpm_setup
e46a2b66	473	echo
10002933 SB	474	echo "cryptolib: $cryptolib"
10002933 SB	475	echo
f163b202	476	echo "CFLAGS=$CFLAGS"
a76b4eeb	477	echo "HARDENING_CFLAGS=$HARDENING_CFLAGS"
f163b202	478	echo "LDFLAGS=$LDFLAGS"
c4ac0a11 SB	479	echo
	480	echo "TSS_USER=$TSS_USER"
	481	echo "TSS_GROUP=$TSS_GROUP"
	482	echo