configure.ac

   1 #
   2 # configure.in
   3 #
   4 # See the LICENSE file for the license associated with this file.
   5
   6 AC_INIT([libtpms], [0.6.0])
   7 AC_PREREQ(2.12)
   8 AC_CONFIG_SRCDIR(Makefile.am)
   9 AC_CONFIG_AUX_DIR([.])
  10 AM_CONFIG_HEADER(config.h)
  11
  12 AC_CONFIG_MACRO_DIR([m4])
  13 AC_CANONICAL_TARGET
  14 AM_INIT_AUTOMAKE([foreign 1.6 subdir-objects])
  15
  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:$LIBTPMS_VER_MINOR
  21
  22 AC_SUBST([LIBTPMS_VER_MAJOR])
  23 AC_SUBST([LIBTPMS_VER_MINOR])
  24 AC_SUBST([LIBTPMS_VER_MICRO])
  25 AC_SUBST([LIBTPMS_VERSION])
  26 AC_SUBST([LIBTPMS_VERSION_INFO])
  27
  28 DEBUG=""
  29 AC_MSG_CHECKING([for debug-enabled build])
  30 AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [create a debug build]),
  31   [if test "$enableval" = "yes"; then
  32      DEBUG="yes"
  33      AC_MSG_RESULT([yes])
  34    else
  35      DEBUG="no"
  36      AC_MSG_RESULT([no])
  37    fi],
  38   [DEBUG="no",
  39    AC_MSG_RESULT([no])])
  40
  41 # If the user has not set CFLAGS, do something appropriate
  42 test_CFLAGS=${CFLAGS+set}
  43 if test "$test_CFLAGS" != set; then
  44         if test "$DEBUG" == "yes"; then
  45                 CFLAGS="-O0 -g -DDEBUG"
  46         else
  47                 CFLAGS="-g -O2"
  48         fi
  49 elif test "$DEBUG" == "yes"; then
  50         CFLAGS="$CFLAGS -O0 -g -DDEBUG"
  51 fi
  52
  53 debug_defines=
  54 if test "$DEBUG" == "yes"; then
  55         debug_defines="-DTPM_DEBUG"
  56         # Enable the following only if ABSOLUTELY necessary
  57         # volatile state will be written and behavior changes
  58         #"-DTPM_VOLATILE_STORE"
  59 fi
  60 AC_SUBST(DEBUG_DEFINES, $debug_defines)
  61
  62 cryptolib=freebl
  63
  64 AC_ARG_WITH([openssl],
  65             AC_HELP_STRING([--with-openssl],
  66                            [build libtpms with openssl library]),
  67               [AC_CHECK_LIB(crypto,
  68                             [AES_set_encrypt_key],
  69                             [],
  70                             AC_MSG_ERROR(Faulty openssl crypto library))
  71                AC_CHECK_HEADERS([openssl/aes.h],[],
  72                             AC_MSG_ERROR(Is openssl-devel/libssl-dev installed?))
  73                AC_MSG_RESULT([Building with openssl crypto library])
  74                cryptolib=openssl
  75               ]
  76 )
  77
  78 case "$cryptolib" in
  79 freebl)
  80         AM_CONDITIONAL(LIBTPMS_USE_FREEBL, true)
  81         AM_CONDITIONAL(LIBTPMS_USE_OPENSSL, false)
  82         AC_DEFINE([USE_FREEBL_CRYPTO_LIBRARY],
  83                   [1],
  84                   [use freebl crypto library])
  85
  86         CFLAGS_save=$CFLAGS
  87
  88         AC_CHECK_HEADERS([gmp.h],[],
  89                          AC_MSG_ERROR(gmp-devel/libgmp-dev is bad))
  90
  91         CFLAGS="$(nspr-config --cflags)"
  92         if test $? -ne 0; then
  93                 AC_MSG_ERROR(Could not find nspr-config. Is nspr-devel/libnspr4-dev installed?)
  94         fi
  95         CPPFLAGS=$CFLAGS
  96         AC_CHECK_HEADERS([plbase64.h],[],
  97                          AC_MSG_ERROR(You must install nspr-devel/libnspr4-dev))
  98
  99         CFLAGS="$(nss-config --cflags) $CFLAGS"
 100         if test $? -ne 0; then
 101                 AC_MSG_ERROR(Could not find nss-config. Is nss-devel/libnss3-dev installed?)
 102         fi
 103         CPPFLAGS="$CPPFLAGS $CFLAGS"
 104         AC_CHECK_HEADERS([sslerr.h],[],
 105                          AC_MSG_ERROR(nss-devel/libnss3-dev is bad))
 106
 107         # Check for missing headers
 108         AC_CHECK_HEADERS([blapi.h],[],
 109                          AC_MSG_ERROR(nss-softokn-freebl-devel/libnss3-dev is missing blapi.h))
 110         # Check for missing freebl library or missing library functions
 111         LIBS_save="$LIBS"
 112         LIBS="$(nss-config --libs) $(nspr-config --libs)"
 113         AC_SEARCH_LIBS([AES_CreateContext], [freebl],[],
 114              AC_MSG_ERROR("Could not find AES_CreateContext(). Is nss-softokn-freebl-devel/libnss3-dev installed?"),
 115              [])
 116         LIBS="$LIBS_save"
 117         CFLAGS="$CFLAGS_save $CFLAGS"
 118         ;;
 119 openssl)
 120         AM_CONDITIONAL(LIBTPMS_USE_FREEBL, false)
 121         AM_CONDITIONAL(LIBTPMS_USE_OPENSSL, true)
 122         AC_DEFINE([USE_OPENSSL_CRYPTO_LIBRARY],
 123                   [1],
 124                   [use openssl crypto library])
 125         ;;
 126 esac
 127
 128 LT_INIT
 129 AC_PROG_CC
 130 AC_PROG_INSTALL
 131 AC_PROG_LIBTOOL
 132
 133 #AM_GNU_GETTEXT_VERSION([0.15])
 134 #AM_GNU_GETTEXT([external])
 135
 136 AC_HEADER_STDC
 137 AC_C_CONST
 138 AC_C_INLINE
 139
 140 AC_TYPE_SIZE_T
 141
 142 # Some version of gcc fail with -Wstack-protector enabled
 143 TMP="$($CC -fstack-protector-strong 2>&1)"
 144 if echo $TMP | $GREP 'unrecognized command line option' >/dev/null; then
 145   HARDENING_CFLAGS="-fstack-protector "
 146 else
 147   HARDENING_CFLAGS="-fstack-protector-strong "
 148 fi
 149
 150 dnl Must not have -O0 but must have a -O for -D_FORTIFY_SOURCE=2
 151 TMP1="$(echo $CFLAGS | sed -n 's/.*\(-O0\).*/\1/p')"
 152 TMP2="$(echo $CFLAGS | sed -n 's/.*\(-O\).*/\1/p')"
 153 if test -z "$TMP1" && test -n "$TPM2"; then
 154   HARDENING_CFLAGS+="-D_FORTIFY_SOURCE=2 "
 155 fi
 156 dnl Check ld for 'relro' and 'now'
 157 if $LD --help 2>&1 | $GREP '\-z relro ' > /dev/null; then
 158   HARDENING_CFLAGS+="-Wl,-z,relro "
 159 fi
 160 if $LD --help 2>&1 | $GREP '\-z now ' > /dev/null; then
 161   HARDENING_CFLAGS+="-Wl,-z,now "
 162 fi
 163 AC_SUBST([HARDENING_CFLAGS])
 164
 165 if test "$test_CFLAGS" != set; then
 166   CFLAGS="$CFLAGS -Wall -Werror -Wreturn-type -Wsign-compare"
 167 fi
 168
 169 AC_CONFIG_FILES(Makefile                   \
 170                 dist/libtpms.spec          \
 171                 include/Makefile           \
 172                 include/libtpms/Makefile   \
 173                 include/libtpms/tpm_library.h \
 174                 man/Makefile               \
 175                 man/man3/Makefile          \
 176                 src/Makefile               \
 177                 libtpms.pc                 \
 178                 tests/Makefile)
 179 AC_OUTPUT
 180
 181 if test -z "$enable_debug" ; then
 182     enable_debug="no"
 183 fi
 184
 185 echo
 186 echo "CFLAGS=$CFLAGS"
 187 echo "HARDENING_CFLAGS=$HARDENING_CFLAGS"
 188 echo "LDFLAGS=$LDFLAGS"
 189 echo
 190 echo "Version to build : $PACKAGE_VERSION"
 191 echo "Crypto library   : $cryptolib"
 192 echo "Debug build      : $enable_debug"
 193 echo
 194 echo