4 # See the LICENSE file for the license associated with this file.
6 AC_INIT([libtpms], [0.8.0])
8 AC_CONFIG_SRCDIR(Makefile.am)
10 AM_CONFIG_HEADER(config.h)
12 AC_CONFIG_MACRO_DIR([m4])
14 AM_INIT_AUTOMAKE([foreign 1.6 subdir-objects])
16 LIBTPMS_VER_MAJOR=`echo $PACKAGE_VERSION | awk -F. '{print $1}'`
17 LIBTPMS_VER_MINOR=`echo $PACKAGE_VERSION | awk -F. '{print $2}'`
18 LIBTPMS_VER_MICRO=`echo $PACKAGE_VERSION | awk -F. '{print $3}'`
19 LIBTPMS_VERSION=$PACKAGE_VERSION
20 LIBTPMS_VERSION_INFO=`expr $LIBTPMS_VER_MAJOR + $LIBTPMS_VER_MINOR`:$LIBTPMS_VER_MICRO:$LIBTPMS_VER_MINOR
22 AC_SUBST([LIBTPMS_VER_MAJOR])
23 AC_SUBST([LIBTPMS_VER_MINOR])
24 AC_SUBST([LIBTPMS_VER_MICRO])
25 AC_SUBST([LIBTPMS_VERSION])
26 AC_SUBST([LIBTPMS_VERSION_INFO])
29 AC_MSG_CHECKING([for debug-enabled build])
30 AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [create a debug build]),
31 [if test "$enableval" = "yes"; then
41 if test "$DEBUG" = "yes"; then
42 CFLAGS="$CFLAGS -O0 -g -DDEBUG"
46 if test "$DEBUG" = "yes"; then
47 debug_defines="-DTPM_DEBUG"
48 # Enable the following only if ABSOLUTELY necessary
49 # volatile state will be written and behavior changes
50 #"-DTPM_VOLATILE_STORE"
52 AC_SUBST(DEBUG_DEFINES, $debug_defines)
54 # AX_CHECK_LINK_FLAG needs autoconf 2.64 or later
55 have_version_script="no"
58 m4_defn([AC_AUTOCONF_VERSION]),
62 [AX_CHECK_LINK_FLAG([-Wl,--version-script=$srcdir/src/test.syms],
63 [have_version_script="yes"],
67 AM_CONDITIONAL([HAVE_VERSION_SCRIPT], [test "x$have_version_script" = "xyes"])
70 AC_SUBST(cryptolib, $cryptolib)
72 AC_ARG_WITH([openssl],
73 AC_HELP_STRING([--with-openssl],
74 [build libtpms with openssl library]),
76 [AES_set_encrypt_key],
78 AC_MSG_ERROR(Faulty openssl crypto library))
79 AC_CHECK_HEADERS([openssl/aes.h],[],
80 AC_MSG_ERROR(Is openssl-devel/libssl-dev installed?))
81 AC_MSG_RESULT([Building with openssl crypto library])
88 AM_CONDITIONAL(LIBTPMS_USE_FREEBL, true)
89 AM_CONDITIONAL(LIBTPMS_USE_OPENSSL, false)
90 AC_DEFINE([USE_FREEBL_CRYPTO_LIBRARY],
92 [use freebl crypto library])
96 AC_CHECK_HEADERS([gmp.h],[],
97 AC_MSG_ERROR(gmp-devel/libgmp-dev is bad))
99 CFLAGS="$(nspr-config --cflags)"
100 if test $? -ne 0; then
101 AC_MSG_ERROR(Could not find nspr-config. Is nspr-devel/libnspr4-dev installed?)
104 AC_CHECK_HEADERS([plbase64.h],[],
105 AC_MSG_ERROR(You must install nspr-devel/libnspr4-dev))
107 CFLAGS="$(nss-config --cflags) $CFLAGS"
108 if test $? -ne 0; then
109 AC_MSG_ERROR(Could not find nss-config. Is nss-devel/libnss3-dev installed?)
111 CPPFLAGS="$CPPFLAGS $CFLAGS"
112 AC_CHECK_HEADERS([sslerr.h],[],
113 AC_MSG_ERROR(nss-devel/libnss3-dev is bad))
115 # Check for missing headers
116 AC_CHECK_HEADERS([blapi.h],[],
117 AC_MSG_ERROR(nss-softokn-freebl-devel/libnss3-dev is missing blapi.h))
118 # Check for missing freebl library or missing library functions
120 LIBS="$(nss-config --libs) $(nspr-config --libs)"
121 AC_SEARCH_LIBS([AES_CreateContext], [freebl],[],
122 AC_MSG_ERROR("Could not find AES_CreateContext(). Is nss-softokn-freebl-devel/libnss3-dev installed?"),
125 CFLAGS="$CFLAGS_save $CFLAGS"
128 AM_CONDITIONAL(LIBTPMS_USE_FREEBL, false)
129 AM_CONDITIONAL(LIBTPMS_USE_OPENSSL, true)
130 AC_DEFINE([USE_OPENSSL_CRYPTO_LIBRARY],
132 [use openssl crypto library])
137 AC_HELP_STRING([--with-tpm2],
138 [build libtpms with TPM2 support]),
139 AC_MSG_RESULT([Building with TPM2 support])
140 if test "x$cryptolib" = "xfreebl"; then
141 AC_MSG_ERROR([TPM2 support requires openssl crypto library])
143 AC_DEFINE_UNQUOTED([WITH_TPM2], 1, [whether to support TPM2])
144 AM_CONDITIONAL(WITH_TPM2, true),
145 AM_CONDITIONAL(WITH_TPM2, false)
148 use_openssl_functions_for=""
149 use_openssl_functions_symmetric=0
150 use_openssl_functions_ec=0
151 use_openssl_functions_ecdsa=0
152 use_openssl_functions_rsa=0
153 AC_ARG_ENABLE(use-openssl-functions,
154 AS_HELP_STRING([--disable-use-openssl-functions],
155 [Use TPM 2 crypot code rather than OpenSSL crypto functions]),
157 AS_IF([test "x$enable_use_openssl_functions" != "xno"], [
158 if test "x$cryptolib" != "xopenssl"; then
159 AC_MSG_ERROR([OpenSSL crypto function usage requires openssl as crypto library])
162 # Check for symmetric key crypto functions
164 AC_CHECK_LIB([crypto], [EVP_CIPHER_CTX_new],, not_found=1)
165 AC_CHECK_LIB([crypto], [EVP_EncryptInit_ex],, not_found=1)
166 AC_CHECK_LIB([crypto], [EVP_aes_128_cbc],, not_found=1)
167 AC_CHECK_LIB([crypto], [EVP_des_ede3_cbc],, not_found=1)
168 AC_CHECK_LIB([crypto], [EVP_camellia_128_cbc],, not_found=1)
169 AC_CHECK_LIB([crypto], [DES_random_key],, not_found=1)
170 if test "x$not_found" = "x0"; then
171 use_openssl_functions_symmetric=1
172 use_openssl_functions_for="symmetric (AES, TDES) "
174 # Check for EC crypto support
176 AC_CHECK_LIB([crypto], [EC_KEY_set_group],, not_found=1)
177 AC_CHECK_LIB([crypto], [EC_KEY_generate_key],, not_found=1)
178 AC_CHECK_LIB([crypto], [EC_KEY_get0_private_key],, not_found=1)
179 if test "x$not_found" = "x0"; then
180 use_openssl_functions_ec=1
181 use_openssl_functions_for="${use_openssl_functions_for}general elliptic curve (EC) "
183 # Check for ECDSA crypto support
185 AC_CHECK_LIB([crypto], [ECDSA_SIG_new],, not_found=1)
186 AC_CHECK_LIB([crypto], [ECDSA_SIG_set0],, not_found=1)
187 AC_CHECK_LIB([crypto], [ECDSA_do_verify],, not_found=1)
188 AC_CHECK_LIB([crypto], [ECDSA_do_sign],, not_found=1)
189 AC_CHECK_LIB([crypto], [EC_KEY_set_group],, not_found=1)
190 if test "x$not_found" = "x0"; then
191 use_openssl_functions_ecdsa=1
192 use_openssl_functions_for="${use_openssl_functions_for}elliptic curve (ECDSA) "
194 # Check for RSA crypto functions
196 AC_CHECK_LIB([crypto], [RSA_set0_key],, not_found=1)
197 AC_CHECK_LIB([crypto], [RSA_set0_factors],, not_found=1)
198 AC_CHECK_LIB([crypto], [RSA_set0_crt_params],, not_found=1)
199 AC_CHECK_LIB([crypto], [RSA_generate_key_ex],, not_found=1)
200 AC_CHECK_LIB([crypto], [EVP_PKEY_CTX_new],, not_found=1)
201 AC_CHECK_LIB([crypto], [EVP_PKEY_assign],, not_found=1)
202 AC_CHECK_LIB([crypto], [EVP_PKEY_encrypt_init],, not_found=1)
203 AC_CHECK_LIB([crypto], [EVP_PKEY_encrypt],, not_found=1)
204 AC_CHECK_LIB([crypto], [EVP_PKEY_decrypt_init],, not_found=1)
205 AC_CHECK_LIB([crypto], [EVP_PKEY_decrypt],, not_found=1)
206 AC_CHECK_LIB([crypto], [EVP_PKEY_sign_init],, not_found=1)
207 AC_CHECK_LIB([crypto], [EVP_PKEY_sign],, not_found=1)
208 AC_CHECK_LIB([crypto], [EVP_PKEY_verify_init],, not_found=1)
209 AC_CHECK_LIB([crypto], [EVP_PKEY_verify],, not_found=1)
210 AC_CHECK_LIB([crypto], [EVP_get_digestbyname],, not_found=1)
211 AX_CHECK_DEFINE([<openssl/rsa.h>], [EVP_PKEY_CTX_set0_rsa_oaep_label],, not_found=1)
212 AX_CHECK_DEFINE([<openssl/rsa.h>], [EVP_PKEY_CTX_set_rsa_padding],, not_found=1)
213 AX_CHECK_DEFINE([<openssl/rsa.h>], [EVP_PKEY_CTX_set_rsa_oaep_md],, not_found=1)
214 AX_CHECK_DEFINE([<openssl/evp.h>], [EVP_PKEY_CTX_set_signature_md],, not_found=1)
215 if test "x$not_found" = "x0"; then
216 use_openssl_functions_rsa=1
217 use_openssl_functions_for="${use_openssl_functions_for}RSA "
221 CFLAGS="$CFLAGS -DUSE_OPENSSL_FUNCTIONS_SYMMETRIC=$use_openssl_functions_symmetric"
222 CFLAGS="$CFLAGS -DUSE_OPENSSL_FUNCTIONS_EC=$use_openssl_functions_ec"
223 CFLAGS="$CFLAGS -DUSE_OPENSSL_FUNCTIONS_ECDSA=$use_openssl_functions_ecdsa"
224 CFLAGS="$CFLAGS -DUSE_OPENSSL_FUNCTIONS_RSA=$use_openssl_functions_rsa"
226 AC_ARG_ENABLE([sanitizers], AS_HELP_STRING([--enable-sanitizers], [Enable address sanitizing]),
227 [SANITIZERS="-fsanitize=address,undefined"], [])
228 AC_ARG_ENABLE([fuzzer], AS_HELP_STRING([--enable-fuzzer], [Enable fuzzer]),
229 [FUZZER="$SANITIZERS -fsanitize=fuzzer"
230 AM_CONDITIONAL(WITH_FUZZER, true)],
231 [AM_CONDITIONAL(WITH_FUZZER, false)])
232 AC_SUBST([SANITIZERS])
235 AM_CONDITIONAL([WITH_FUZZING_ENGINE], [test "x$LIB_FUZZING_ENGINE" != "x"])
236 AC_SUBST([LIB_FUZZING_ENGINE])
238 AC_ARG_ENABLE([test-coverage],
239 AS_HELP_STRING([--enable-test-coverage], [Enable test coverage flags]),
240 [COVERAGE_CFLAGS="-fprofile-arcs -ftest-coverage" COVERAGE_LDFLAGS="-fprofile-arcs"])
248 #AM_GNU_GETTEXT_VERSION([0.15])
249 #AM_GNU_GETTEXT([external])
257 AC_CHECK_LIB(c, clock_gettime, LIBRT_LIBS="", LIBRT_LIBS="-lrt")
258 AC_SUBST([LIBRT_LIBS])
260 AC_ARG_ENABLE([hardening],
261 AS_HELP_STRING([--disable-hardening], [Disable hardening flags]))
263 if test "x$enable_hardening" != "xno"; then
264 # Some versions of gcc fail with -Wstack-protector enabled
265 TMP="$($CC -fstack-protector-strong $srcdir/include/libtpms/tpm_error.h 2>&1)"
266 if echo $TMP | $GREP 'unrecognized command line option' >/dev/null; then
267 HARDENING_CFLAGS="-fstack-protector "
269 HARDENING_CFLAGS="-fstack-protector-strong "
272 dnl Must not have -O0 but must have a -O for -D_FORTIFY_SOURCE=2
273 TMP1="$(echo $CFLAGS | sed -n 's/.*\(-O0\).*/\1/p')"
274 TMP2="$(echo $CFLAGS | sed -n 's/.*\(-O\).*/\1/p')"
275 if test -z "$TMP1" && test -n "$TPM2"; then
276 HARDENING_CFLAGS="$HARDENING_CFLAGS -D_FORTIFY_SOURCE=2 "
278 dnl Check ld for 'relro' and 'now'
279 if $LD --help 2>&1 | $GREP '\-z relro ' > /dev/null; then
280 HARDENING_LDFLAGS="$HARDENING_LDFLAGS -Wl,-z,relro "
282 if $LD --help 2>&1 | $GREP '\-z now ' > /dev/null; then
283 HARDENING_LDFLAGS="$HARDENING_LDFLAGS -Wl,-z,now "
285 AC_SUBST([HARDENING_CFLAGS])
286 AC_SUBST([HARDENING_LDFLAGS])
289 CFLAGS="$CFLAGS $COVERAGE_CFLAGS -Wall -Werror -Wreturn-type -Wsign-compare -Wno-self-assign"
290 CFLAGS="$CFLAGS -Wmissing-prototypes"
291 LDFLAGS="$LDFLAGS $COVERAGE_LDFLAGS"
293 AC_CONFIG_FILES(Makefile \
296 include/libtpms/Makefile \
297 include/libtpms/tpm_library.h \
305 if test -z "$enable_debug" ; then
308 if test -z "$with_tpm2"; then
313 echo "CFLAGS=$CFLAGS"
314 echo "HARDENING_CFLAGS=$HARDENING_CFLAGS"
315 echo "HARDENING_LDFLAGS=$HARDENING_LDFLAGS"
316 echo "LDFLAGS=$LDFLAGS"
318 echo "Version to build : $PACKAGE_VERSION"
319 echo "Crypto library : $cryptolib"
320 echo "Debug build : $enable_debug"
321 echo "With TPM2 support : $with_tpm2"
322 echo "HAVE_VERSION_SCRIPT : $have_version_script"
323 echo "Use openssl crypto for : $use_openssl_functions_for"