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configure.ac
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configure.ac
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AC_INIT([tpm2-tools],
[m4_esyscmd_s([git describe --tags --always --dirty])])
AC_CONFIG_MACRO_DIR([m4])
AC_PROG_CC
LT_INIT
AM_INIT_AUTOMAKE([foreign
subdir-objects])
AC_CONFIG_FILES([Makefile])
AC_CHECK_PROG([PANDOC],[pandoc],[yes])
AS_IF(
[test "x${PANDOC}" == x"yes"],
[],
[AC_MSG_WARN([Required executable pandoc not found, man pages will not be built])])
AM_CONDITIONAL([HAVE_PANDOC],[test "x${PANDOC}" = "xyes"])
PKG_CHECK_MODULES([SAPI],[sapi])
# disable libtcti-device selectively (enabled by default)
AC_ARG_WITH(
[tcti-device],
[AS_HELP_STRING([--with-tcti-device],
[Build tools with support for the device TCTI.])],
[],
[with_tcti_device=check])
AS_IF(
[test "x$with_tcti_device" != "xno"],
[PKG_CHECK_MODULES(
[TCTI_DEV],
[tcti-device],
[AC_DEFINE([HAVE_TCTI_DEV],[1])
with_tcti_device=yes],
[if test "x$with_tcti_device" = "xyes"; then
AC_MSG_FAILURE([--with-tcti-device option provided but libtcti-device not detected.])
fi])])
AM_CONDITIONAL([HAVE_TCTI_DEV],[test "x$with_tcti_device" = "xyes"])
# disable libtcti-socket selectively (enabled by default)
AC_ARG_WITH(
[tcti-socket],
[AS_HELP_STRING([--with-tcti-socket],
[Build tools with support for the socket TCTI.])],
[],
[with_tcti_socket=check])
AS_IF(
[test "x$with_tcti_socket" != "xno"],
[PKG_CHECK_MODULES(
[TCTI_SOCK],
[tcti-socket],
[AC_DEFINE([HAVE_TCTI_SOCK],[1])
with_tcti_socket=yes],
[if test "x$with_tcti_socket" = "xyes"; then
AC_MSG_FAILURE([--with-tcti-socket option provided but libtcti-socket not detected.])
fi])])
AM_CONDITIONAL([HAVE_TCTI_SOCK],[test "x$with_tcti_socket" = "xyes"])
# selectively disable libtcti-tabrmd
AC_ARG_WITH(
[tcti-tabrmd],
[AS_HELP_STRING([--with-tcti-tabrmd],
[Build tools with support for the tabrmd TCTI.])],
[],
[with_tcti_tabrmd=check])
AS_IF(
[test "x$with_tcti_tabrmd" != "xno"],
[PKG_CHECK_MODULES(
[TCTI_TABRMD],
[tcti-tabrmd],
[AC_DEFINE([HAVE_TCTI_TABRMD], [1])
with_tcti_tabrmd=yes],
[if test "x$with_tcti_tabrmd" = "xyes"; then
AC_MSG_FAILURE([--with-tcti-tabrmd option provided but libtcti-tabrmd not detected.])
fi])])
AM_CONDITIONAL([HAVE_TCTI_TABRMD],[test "x$with_tcti_tabrmd" = "xyes"])
# ensure we have at least one TCTI enabled, can't do much without one
AS_IF(
[test "x$with_tcti_device" != "xyes" -a \
"x$with_tcti_socket" != "xyes" -a \
"x$with_tcti_tabrmd" != "xyes"],
[AC_MSG_ERROR(
[no TCTIs: at least one TCTI library must be enabled],
[1])])
PKG_CHECK_MODULES([CRYPTO], [libcrypto >= 1.0.2g])
PKG_CHECK_MODULES([CURL],[libcurl])
AC_ARG_ENABLE([unit],
[AS_HELP_STRING([--enable-unit],
[build cmocka unit tests (default is no)])],
[enable_unit=$enableval],
[enable_unit=no])
AS_IF([test "x$enable_unit" != xno],
[PKG_CHECK_MODULES([CMOCKA],
[cmocka],
[AC_DEFINE([HAVE_CMOCKA],
[1])])])
AM_CONDITIONAL([UNIT], [test "x$enable_unit" != xno])
AC_ARG_ENABLE([hardening],
[AS_HELP_STRING([--enable-hardening],
[Enable compiler and linker options to frustrate memory corruption exploits @<:@yes@:>@])],
[hardening="$enableval"],
[hardening="yes"])
# Good information on adding flags, and dealing with compilers can be found here:
# https://github.com/zcash/zcash/issues/1832
# https://github.com/kmcallister/autoharden/
AS_IF([test x"$hardening" != x"no"], [
AC_DEFUN([add_hardened_c_flag], [
AX_CHECK_COMPILE_FLAG([$1],
[EXTRA_CFLAGS="$EXTRA_CFLAGS $1"],
[AC_MSG_ERROR([Cannot enable $1, consider configuring with --disable-hardening])]
)
])
AC_DEFUN([add_hardened_ld_flag], [
AX_CHECK_LINK_FLAG([$1],
[EXTRA_LDFLAGS="$EXTRA_LDFLAGS $1"],
[AC_MSG_ERROR([Cannot enable $1, consider configuring with --disable-hardening])]
)
])
AC_DEFUN([add_hardened_define_flag], [
AX_CHECK_PREPROC_FLAG([$1],
[EXTRA_CFLAGS="$EXTRA_CFLAGS $1"],
[AC_MSG_ERROR([Cannot enable $1, consider configuring with --disable-hardening])]
)
])
add_hardened_c_flag([-Wall])
add_hardened_c_flag([-Wextra])
add_hardened_c_flag([-Werror])
add_hardened_c_flag([-Wformat])
add_hardened_c_flag([-Wformat-security])
add_hardened_c_flag([-Wstack-protector])
add_hardened_c_flag([-fstack-protector-all])
add_hardened_define_flag([-U_FORTIFY_SOURCE])
add_hardened_define_flag([-D_FORTIFY_SOURCE=2])
add_hardened_c_flag([-fPIC])
add_hardened_ld_flag([[-shared]])
add_hardened_c_flag([-fPIE])
add_hardened_ld_flag([[-pie]])
add_hardened_ld_flag([[-Wl,-z,relro]])
add_hardened_ld_flag([[-Wl,-z,now]])
], [
AC_MSG_WARN([Compiling with --disable-hardening is dangerous!
you should consider fixing the configure script compiler flags
and submitting patches upstream!])
])
# -D_GNU_SOURCE is required for execvpe() in options.c
AX_CHECK_PREPROC_FLAG([-D_GNU_SOURCE],
[EXTRA_CFLAGS="$EXTRA_CFLAGS -D_GNU_SOURCE"],
[AC_MSG_ERROR([Cannot enable -D_GNU_SOURCE])]
)
# Best attempt, strip unused stuff from the binary to reduce size.
# Rather than nesting these and making them ugly just use a counter.
AX_CHECK_COMPILE_FLAG([-fdata-sections], [strip+="y"])
AX_CHECK_COMPILE_FLAG([-ffunction-sections], [strip+="y"])
AX_CHECK_LINK_FLAG([[-Wl,--gc-sections]], [strip+="y"])
AS_IF([test x"$strip" == x"yyy"], [
EXTRA_CFLAGS="$EXTRA_CFLAGS -fdata-sections -ffunction-sections"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--gc-sections"
],
AC_MSG_NOTICE([Not using compiler options to reduce binary size!])
)
AC_CHECK_PROG([BASH],[bash],[yes])
AS_IF(
[test "x${BASH}" == x"yes"],
[],
[AC_MSG_WARN([Required executable bash not found, system tests require a bash shell!])])
AC_CHECK_PROG([PYTHON],[python],[yes])
AS_IF(
[test "x${PYTHON}" == x"yes"],
[],
[AC_MSG_WARN([Required executable python not found, some system tests will fail!])])
dnl macro that checks for specific modules in python
AC_DEFUN([AC_PYTHON_MODULE],
[AC_MSG_CHECKING([for module $1 in python])
echo "import $1" | python -
if test $? -ne 0 ; then
AC_MSG_RESULT([not found])
AC_MSG_WARN([System tests require pyyaml, some tests will fail!])
fi
AC_MSG_RESULT(found)
])
AC_PYTHON_MODULE([yaml])
AC_SUBST([EXTRA_CFLAGS])
AC_SUBST([EXTRA_LDFLAGS])
AC_OUTPUT