4 # See the LICENSE file for the license associated with this file.
6 AC_INIT([libtpms], [0.7.0])
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 $CFLAGS"
128 AM_CONDITIONAL(LIBTPMS_USE_FREEBL, false)
129 AM_CONDITIONAL(LIBTPMS_USE_OPENSSL, true)
130 AC_DEFINE([USE_OPENSSL_CRYPTO_LIBRARY],
132 [use openssl crypto library])
137 AC_HELP_STRING([--with-tpm2],
138 [build libtpms with TPM2 support (experimental)]),
139 AC_MSG_RESULT([Building with TPM2 support])
140 if test "x$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 AC_ARG_ENABLE([sanitizers], AS_HELP_STRING([--enable-sanitizers], [Enable address sanitizing]),
149 [SANITIZERS="-fsanitize=address,undefined"], [])
150 AC_ARG_ENABLE([fuzzer], AS_HELP_STRING([--enable-fuzzer], [Enable fuzzer]),
151 [FUZZER="$SANITIZERS -fsanitize=fuzzer"
152 AM_CONDITIONAL(WITH_FUZZER, true)],
153 [AM_CONDITIONAL(WITH_FUZZER, false)])
154 AC_SUBST([SANITIZERS])
157 AC_ARG_ENABLE([test-coverage],
158 AS_HELP_STRING([--enable-test-coverage], [Enable test coverage flags]),
159 [COVERAGE_CFLAGS="-fprofile-arcs -ftest-coverage" COVERAGE_LDFLAGS="-fprofile-arcs"])
166 #AM_GNU_GETTEXT_VERSION([0.15])
167 #AM_GNU_GETTEXT([external])
175 AC_CHECK_LIB(c, clock_gettime, LIBRT_LIBS="", LIBRT_LIBS="-lrt")
176 AC_SUBST([LIBRT_LIBS])
178 AC_ARG_ENABLE([hardening],
179 AS_HELP_STRING([--disable-hardening], [Disable hardening flags]))
181 if test "x$enable_hardening" != "xno"; then
182 # Some versions of gcc fail with -Wstack-protector enabled
183 TMP="$($CC -fstack-protector-strong $srcdir/include/libtpms/tpm_error.h 2>&1)"
184 if echo $TMP | $GREP 'unrecognized command line option' >/dev/null; then
185 HARDENING_CFLAGS="-fstack-protector "
187 HARDENING_CFLAGS="-fstack-protector-strong "
190 dnl Must not have -O0 but must have a -O for -D_FORTIFY_SOURCE=2
191 TMP1="$(echo $CFLAGS | sed -n 's/.*\(-O0\).*/\1/p')"
192 TMP2="$(echo $CFLAGS | sed -n 's/.*\(-O\).*/\1/p')"
193 if test -z "$TMP1" && test -n "$TPM2"; then
194 HARDENING_CFLAGS="$HARDENING_CFLAGS -D_FORTIFY_SOURCE=2 "
196 dnl Check ld for 'relro' and 'now'
197 if $LD --help 2>&1 | $GREP '\-z relro ' > /dev/null; then
198 HARDENING_LDFLAGS="$HARDENING_LDFLAGS -Wl,-z,relro "
200 if $LD --help 2>&1 | $GREP '\-z now ' > /dev/null; then
201 HARDENING_LDFLAGS="$HARDENING_LDFLAGS -Wl,-z,now "
203 AC_SUBST([HARDENING_CFLAGS])
204 AC_SUBST([HARDENING_LDFLAGS])
207 CFLAGS="$CFLAGS $COVERAGE_CFLAGS -Wall -Werror -Wreturn-type -Wsign-compare -Wno-self-assign"
208 LDFLAGS="$LDFLAGS $COVERAGE_LDFLAGS"
210 AC_CONFIG_FILES(Makefile \
213 include/libtpms/Makefile \
214 include/libtpms/tpm_library.h \
222 if test -z "$enable_debug" ; then
225 if test -z "$with_tpm2"; then
230 echo "CFLAGS=$CFLAGS"
231 echo "HARDENING_CFLAGS=$HARDENING_CFLAGS"
232 echo "HARDENING_LDFLAGS=$HARDENING_LDFLAGS"
233 echo "LDFLAGS=$LDFLAGS"
235 echo "Version to build : $PACKAGE_VERSION"
236 echo "Crypto library : $cryptolib"
237 echo "Debug build : $enable_debug"
238 echo "With TPM2 support : $with_tpm2"
239 echo "HAVE_VERSION_SCRIPT : $have_version_script"