configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2 AC_PREREQ(2.60)
   3 AC_INIT(pwmd, 3.1.0-dev, [Ben Kibbey bjk@luxsci.net])
   4 AC_CONFIG_MACRO_DIR([m4])
   5 AC_CONFIG_AUX_DIR(build)
   6 AC_CANONICAL_TARGET
   7 AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
   8 AC_PROG_MAKE_SET
   9 AC_USE_SYSTEM_EXTENSIONS()
  10 AC_PROG_LIBTOOL
  11 AC_CONFIG_SRCDIR([src/pwmd.c])
  12 AM_CONFIG_HEADER([config.h])
  13 AM_GNU_GETTEXT([external])
  14 AM_GNU_GETTEXT_VERSION([0.16.1])
  15
  16 dnl Checks for programs.
  17 AC_PROG_CC_C99
  18 AX_CC_FOR_BUILD
  19
  20 if test "$ac_cv_prog_cc_c99" = "no"; then
  21     AC_MSG_WARN("Unable to find a C99 compatible compiler.")
  22 fi
  23
  24 AX_C_BIGENDIAN_CROSS
  25 AC_PROG_AWK
  26 AC_PROG_LN_S
  27 AC_PROG_INSTALL
  28 AC_PROG_LN_S
  29 AC_PROG_CPP
  30 AC_PROG_MKDIR_P
  31
  32 dnl Checks for library functions.
  33 AX_CHECK_COMPILE_FLAG([-D_FORTIFY_SOURCE=2],
  34                       [CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"])
  35 AX_CHECK_COMPILE_FLAG([-fsanitize=undefined],
  36                       [CFLAGS="$CFLAGS -fsanitize=undefined"])
  37 AX_PTHREAD(, [POSIX threads are required])
  38 CC="$PTHREAD_CC"
  39 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
  40 LIBS="$PTHREAD_LIBS $LIBS"
  41
  42 acx_pthread_testcancel_ok=no
  43 AC_MSG_CHECKING([for pthread_testcancel()])
  44 AC_TRY_LINK_FUNC(pthread_testcancel, acx_pthread_testcancel_ok=yes)
  45 AC_MSG_RESULT($acx_pthread_testcancel_ok)
  46 if test x"$acx_pthread_testcancel_ok" = "xyes"; then
  47     AC_DEFINE(HAVE_PTHREAD_TESTCANCEL, 1, [Define if your OS has pthread_testcancel().])
  48 fi
  49
  50 acx_pthread_cancel_ok=no
  51 AC_MSG_CHECKING([for pthread_cancel()])
  52 AC_TRY_LINK_FUNC(pthread_cancel, acx_pthread_cancel_ok=yes)
  53 AC_MSG_RESULT($acx_pthread_cancel_ok)
  54 if test x"$acx_pthread_cancel_ok" = "xyes"; then
  55     AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if your OS has pthread_cancel().])
  56 fi
  57
  58 acx_pthread_atfork_ok=no
  59 AC_MSG_CHECKING([for pthread_atfork()])
  60 AC_TRY_LINK_FUNC(pthread_atfork, acx_pthread_atfork_ok=yes)
  61 AC_MSG_RESULT($acx_pthread_atfork_ok)
  62 if test x"$acx_pthread_atfork_ok" = "xyes"; then
  63     AC_DEFINE(HAVE_PTHREAD_ATFORK, 1, [Define if your OS has pthread_atfork().])
  64 fi
  65
  66 dnl Checks for header files.
  67 AC_HEADER_STDC
  68 AC_HEADER_SYS_WAIT
  69
  70 AC_CHECK_HEADERS([fcntl.h stdlib.h string.h strings.h sys/time.h unistd.h \
  71                   libintl.h locale.h syslog.h termios.h getopt.h limits.h \
  72                   time.h sys/select.h sys/file.h])
  73
  74 AC_CHECK_DECLS([SO_BINDTODEVICE],,, [[#include <sys/types.h>
  75                                       #include <sys/socket.h>]])
  76
  77 case "${host}" in
  78     *-linux-androideabi)
  79         PTHREAD_CFLAGS="-pthread"
  80         PTHREAD_LIBS="-pthread"
  81         ;;
  82     *)
  83         ;;
  84 esac
  85
  86 case "$target_os" in
  87      linux*)
  88         AC_CHECK_HEADERS([linux/sockios.h sys/prctl.h])
  89         if test "x$ac_cv_header_linux_sockios_h" = xyes; then
  90                 AC_CHECK_DECL([SIOCOUTQ],,, [[#include <linux/sockios.h>]])
  91                 if test "x$ac_cv_have_decl_SIOCOUTQ" = xyes; then
  92                         AC_DEFINE(HAVE_DECL_SIOCOUTQ, 1,
  93                                 [Defined if SIOCOUTQ is available (Linux specific)])
  94                 fi
  95         fi
  96
  97         if test "x$ac_cv_header_sys_prctl_h" = xyes; then
  98            AC_CHECK_DECL([PR_SET_NAME],,, [[#include <sys/prctl.h>]])
  99               if test "x$ac_cv_have_decl_PR_SET_NAME" = xyes; then
 100                     AC_DEFINE(HAVE_PR_SET_NAME, 1,
 101                              [Defined if PR_SET_NAME is available (Linux specific)])
 102               fi
 103
 104            AC_CHECK_DECL([PR_SET_DUMPABLE],,, [[#include <sys/prctl.h>]])
 105               if test "x$ac_cv_have_decl_PR_SET_DUMPABLE" = xyes; then
 106                     AC_DEFINE(HAVE_PR_SET_DUMPABLE, 1,
 107                              [Defined if PR_SET_DUMPABLE is available (Linux specific)])
 108               fi
 109         fi
 110         ;;
 111      openbsd*)
 112         ;;
 113      *bsd*)
 114         AC_CHECK_HEADERS([sys/filio.h])
 115         if test "x$ac_cv_header_sys_filio_h" = xyes; then
 116                 AC_CHECK_DECL([FIONWRITE],,, [[#include <sys/filio.h>]])
 117                 if test "x$ac_cv_have_decl_FIONWRITE" = xyes; then
 118                         AC_DEFINE(HAVE_DECL_FIONWRITE, 1,
 119                                 [Defined if FIONWRITE is available (*BSD specific, not OpenBSD)])
 120                 fi
 121         fi
 122         ;;
 123      *)
 124 dnl     All others use SO_SNDLOWAT.
 125         ;;
 126 esac
 127
 128 dnl Checks for typedefs, structures, and compiler characteristics.
 129 AC_SYS_LARGEFILE
 130 AC_C_CONST
 131 AC_C_INLINE
 132 AC_TYPE_MODE_T
 133 AC_TYPE_SIZE_T
 134 AC_STRUCT_TM
 135 AC_TYPE_PID_T
 136 AC_TYPE_SIGNAL
 137 AC_TYPE_UINT8_T
 138 AC_TYPE_UINT32_T
 139 AC_TYPE_UINT64_T
 140
 141 dnl Checks for library functions.
 142 AC_FUNC_STAT
 143 AC_FUNC_FORK
 144 AC_FUNC_MEMCMP
 145 AC_FUNC_STRFTIME
 146 AC_CHECK_FUNCS([memset mkdir munmap setlocale socket strchr strerror strrchr \
 147                 strstr strtol setrlimit mlockall getopt_long backtrace \
 148                 getpwnam_r getgrnam_r flock])
 149 AM_CONDITIONAL([NEED_GETOPT_LONG], [test "$ac_cv_func_getopt_long" != "yes"])
 150
 151 AM_PATH_LIBASSUAN([2.0.2],, AC_MSG_ERROR([libassuan >= 2.0.2 not found]))
 152 AM_PATH_LIBGCRYPT([1:1.5.0],, AC_MSG_ERROR([libgcrypt >= 1.5.0 not found]))
 153 AM_PATH_GPGME_PTHREAD([1.5.2],, AC_MSG_ERROR([gpgme >= 1.5.2 not found]))
 154 AM_PATH_XML2(,, AC_MSG_ERROR([libxml2 not found]))
 155 AM_PATH_GPG_ERROR(,, AC_MSG_ERROR([libgpg-error not found]))
 156 AC_SEARCH_LIBS([clock_gettime], [rt])
 157
 158 dnl Remote TCP/TLS connections.
 159 AC_ARG_ENABLE(gnutls, AC_HELP_STRING([--enable-gnutls],
 160               [Enable TCP (GnuTLS) server support.]), USE_GNUTLS=$enableval,
 161               USE_GNUTLS=no)
 162 if test "x$USE_GNUTLS" = "xyes"; then
 163     PKG_CHECK_MODULES([GNUTLS], [gnutls >= 3.3.0])
 164     AC_DEFINE(WITH_GNUTLS, 1, [Define if you want TCP (GnuTLS) support.])
 165 fi
 166 AM_CONDITIONAL(WITH_GNUTLS, [test "x$USE_GNUTLS" = "xyes"])
 167
 168 dnl Libacl support (for data files).
 169 AC_ARG_ENABLE(acl, AC_HELP_STRING([--enable-acl],
 170               [Enable Access Control List support for data files]),
 171               [USE_LIBACL=yes], [USE_LIBACL=no])
 172 if test "x$USE_LIBACL" = "xyes"; then
 173     AC_SEARCH_LIBS([acl_get_file], [acl],,
 174                    AC_MSG_ERROR([Missing or incomplete libacl installation.]))
 175     AC_CHECK_HEADER([sys/acl.h],,
 176                    AC_MSG_ERROR([Missing or incomplete libacl installation.]))
 177     AC_DEFINE(WITH_LIBACL, 1, [Define if you want libacl support.])
 178 fi
 179 AM_CONDITIONAL(WITH_LIBACL, [test "x$USE_LIBACL" = "xyes"])
 180
 181 AC_DEFUN([AC_DEBUG],
 182 [
 183     if test "$1"; then
 184         ac_cv_sys_debug=$1
 185     fi
 186
 187     AC_CACHE_CHECK([if debugging is wanted], [ac_cv_sys_debug],
 188         [ac_cv_sys_debug=no])
 189     AM_CONDITIONAL([WITH_DEBUG], [test "$ac_cv_sys_debug" = "yes"])
 190 ])
 191
 192 AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [Enable debugging (memory de/allocations output).]),
 193     AC_DEBUG([$enableval]), AC_DEBUG)
 194
 195 AC_DEFUN([AC_MEM_DEBUG],
 196 [
 197     if test "$1"; then
 198         ac_cv_sys_mem_debug=$1
 199     fi
 200
 201     AC_CACHE_CHECK([if memory debugging is wanted], [ac_cv_sys_mem_debug],
 202         [ac_cv_sys_mem_debug=no])
 203     AM_CONDITIONAL([WITH_MEM_DEBUG], [test "$ac_cv_sys_mem_debug" = "yes"])
 204 ])
 205
 206 AC_DEFUN([AC_MUTEX_DEBUG],
 207 [
 208     if test "$1"; then
 209         ac_cv_sys_mutex_debug=$1
 210     fi
 211
 212     AC_CACHE_CHECK([if mutex debugging is wanted], [ac_cv_sys_mutex_debug],
 213         [ac_cv_sys_mutex_debug=no])
 214     AM_CONDITIONAL([WITH_MUTEX_DEBUG], [test "$ac_cv_sys_mutex_debug" = "yes"])
 215 ])
 216
 217 AC_ARG_ENABLE(mutex_debug, AC_HELP_STRING([--enable-mutex-debug], [Enable mutex debugging output.]),
 218     AC_MUTEX_DEBUG([$enableval]), AC_MUTEX_DEBUG)
 219
 220 dnl Memory debugging.
 221 AC_ARG_ENABLE(mem_debug, AC_HELP_STRING([--enable-mem-debug], [Disable internal memory manager.]),
 222     AC_MEM_DEBUG([$enableval]), AC_MEM_DEBUG)
 223 AM_CONDITIONAL(MEM_DEBUG, test x"${ac_cv_sys_mem_debug}" != xno)
 224
 225 # Default pwmd home directory.
 226 AC_ARG_WITH(pwmd_homedir, AC_HELP_STRING([--with-pwmd-homedir=PATH],
 227               [Default pwmd home directory (~/.pwmd)]),
 228               pwmd_homedir="$withval", pwmd_homedir=)
 229 if test x"$pwmd_homedir" != "x"; then
 230    AC_DEFINE_UNQUOTED(PWMD_HOMEDIR, ["$pwmd_homedir"],
 231                                     [Default pwmd home directory (~/.pwmd).])
 232 fi
 233
 234 VERSION_MAJOR="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`"
 235 VERSION_MINOR="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`"
 236 VERSION_PATCH="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`"
 237 VERSION_NUM="`printf 0x%02x%02x%02X ${VERSION_MAJOR} ${VERSION_MINOR} ${VERSION_PATCH}`"
 238 AC_DEFINE_UNQUOTED(VERSION_HEX, ${VERSION_NUM}, [For the file header.])
 239
 240 dnl Disable optimizing of memset(). GCC and CLang (and others?) accept
 241 dnl multiple optimization flags and use the last one specified. The
 242 dnl non-optimized memset() may still use any CPU features found in the
 243 dnl user specified CFLAGS (-mtune) and libc.
 244 CFLAGS_ORIG="$CFLAGS"
 245 CFLAGS_MEMZERO="$CFLAGS -O0"
 246 CFLAGS=
 247 AC_SUBST(CFLAGS_ORIG)
 248 AC_SUBST(CFLAGS_MEMZERO)
 249
 250 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile po/Makefile.in
 251                  tests/Makefile])
 252 AC_OUTPUT
 253 echo
 254 echo "Features:"
 255 echo "    TCP (GnuTLS)....: $USE_GNUTLS"
 256 echo "    Data file ACL's.: $USE_LIBACL"
 257
 258 if test x"$pwmd_homedir" != "x"; then
 259 echo "    Home directory..: $pwmd_homedir"
 260 else
 261 echo "    Home directory..: ~/.pwmd"
 262 fi
 263
 264 echo "    Debug...........: ${ac_cv_sys_debug}"
 265 echo "    Memory debug....: ${ac_cv_sys_mem_debug}"
 266 echo "    Mutex debug.....: ${ac_cv_sys_mutex_debug}"