1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552
##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##
##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##
m4_define([v_maj], [2])
m4_define([v_min], [11])
m4_define([v_mic], [1])
##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##
m4_define([v_ver], [v_maj.v_min.v_mic])
m4_define([lt_rev], m4_eval(v_maj + v_min))
m4_define([lt_cur], v_mic)
m4_define([lt_age], v_min)
##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##
##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##
AC_INIT([cgminer], [v_ver], [kernel@kolivas.org])
AC_PREREQ(2.59)
AC_CANONICAL_SYSTEM
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([cgminer.c])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE([foreign])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_USE_SYSTEM_EXTENSIONS
##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##
##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##
m4_ifdef([v_rev], , [m4_define([v_rev], [0])])
m4_ifdef([v_rel], , [m4_define([v_rel], [])])
AC_DEFINE_UNQUOTED(CGMINER_MAJOR_VERSION, [v_maj], [Major version])
AC_DEFINE_UNQUOTED(CGMINER_MINOR_VERSION, [v_min], [Minor version])
AC_DEFINE_UNQUOTED(CGMINER_MINOR_SUBVERSION, [v_mic], [Micro version])
version_info="lt_rev:lt_cur:lt_age"
release_info="v_rel"
AC_SUBST(version_info)
AC_SUBST(release_info)
##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##
##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##--##
VMAJ=v_maj
AC_SUBST(VMAJ)
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
dnl Make sure anyone changing configure.ac/Makefile.am has a clue
AM_MAINTAINER_MODE
dnl Checks for programs
AC_PROG_CC
gl_EARLY
AC_PROG_GCC_TRADITIONAL
AM_PROG_CC_C_O
AC_PROG_RANLIB
gl_INIT
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(syslog.h)
AC_FUNC_ALLOCA
have_win32=false
PTHREAD_FLAGS="-lpthread"
DLOPEN_FLAGS="-ldl"
OPENCL_LIBS="-lOpenCL"
WS2_LIBS=""
MATH_LIBS="-lm"
case $target in
amd64-*)
have_x86_64=true
;;
x86_64-*)
have_x86_64=true
;;
*)
have_x86_64=false
;;
esac
case $target in
*-*-mingw*)
have_x86_64=false
have_win32=true
PTHREAD_FLAGS=""
DLOPEN_FLAGS=""
WS2_LIBS="-lws2_32"
AC_DEFINE([_WIN32_WINNT], [0x0501], "WinNT version for XP+ support")
;;
powerpc-*-darwin*)
CFLAGS="$CFLAGS -faltivec"
OPENCL_LIBS=""
PTHREAD_FLAGS=""
;;
*-*-darwin*)
OPENCL_LIBS="-framework OpenCL"
PTHREAD_FLAGS=""
;;
esac
if test "x$have_win32" != xtrue; then
if test "x$have_x86_64" = xtrue; then
ARCH_DIR=x86_64
else
ARCH_DIR=x86
fi
if test "x$ATISTREAMSDKROOT" != x; then
OPENCL_FLAGS="-I$ATISTREAMSDKROOT/include $OPENCL_FLAGS"
OPENCL_LIBS="-L$ATISTREAMSDKROOT/lib/$ARCH_DIR $OPENCL_LIBS"
fi
if test "x$AMDAPPSDKROOT" != x; then
OPENCL_FLAGS="-I$AMDAPPSDKROOT/include $OPENCL_FLAGS"
OPENCL_LIBS="-L$AMDAPPSDKROOT/lib/$ARCH_DIR $OPENCL_LIBS"
fi
fi
cpumining="no"
AC_ARG_ENABLE([cpumining],
[AC_HELP_STRING([--enable-cpumining],[Build with cpu mining support(default disabled)])],
[cpumining=$enableval]
)
if test "x$cpumining" = xyes; then
AC_DEFINE_UNQUOTED([WANT_CPUMINE], [1], [Enable CPUMINING])
fi
AM_CONDITIONAL([HAS_CPUMINE], [test x$cpumining = xyes])
opencl="yes"
AC_ARG_ENABLE([opencl],
[AC_HELP_STRING([--disable-opencl],[Override detection and disable building with opencl])],
[opencl=$enableval]
)
if test "x$opencl" != xno; then
# Check for OpenCL (the long way needed on mingw32 due to calling conventions)
AC_MSG_CHECKING([for OpenCL])
SAVED_LIBS=$LIBS
SAVED_CFLAGS=$CFLAGS
LIBS="$LIBS $OPENCL_LIBS"
CFLAGS="$CFLAGS $OPENCL_FLAGS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#ifdef __APPLE_CC__
#include <OpenCL/opencl.h>
#else
#include <CL/cl.h>
#endif
]],
[[return clSetKernelArg(0, 0, 0, 0); ]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_OPENCL], [1], [Defined to 1 if OpenCL is present on the system.])
found_opencl=1
],
[AC_MSG_RESULT(no)
OPENCL_FLAGS=
OPENCL_LIBS=
found_opencl=0])
LIBS=$SAVED_LIBS
CFLAGS=$SAVED_CFLAGS
else
OPENCL_FLAGS=""
OPENCL_LIBS=""
fi
AC_CHECK_LIB(pthread, pthread_create, ,
AC_MSG_ERROR([Could not find pthread library - please install libpthread]))
PTHREAD_LIBS=-lpthread
AC_CHECK_LIB(jansson, json_loads, request_jansson=false, request_jansson=true)
AC_ARG_ENABLE([adl],
[AC_HELP_STRING([--disable-adl],[Override detection and disable building with adl])],
[adl=$enableval]
)
scrypt="no"
if test "$found_opencl" = 1; then
if test "x$adl" != xno; then
AC_CHECK_FILE([ADL_SDK/adl_sdk.h], have_adl=true, have_adl=false,)
if test x$have_adl = xtrue
then
AC_DEFINE([HAVE_ADL], [1], [Defined if ADL headers were found])
else
DLOPEN_FLAGS=""
fi
fi
AC_ARG_ENABLE([scrypt],
[AC_HELP_STRING([--enable-scrypt],[Compile support for scrypt litecoin mining (default disabled)])],
[scrypt=$enableval]
)
if test "x$scrypt" = xyes; then
AC_DEFINE([USE_SCRYPT], [1], [Defined to 1 if scrypt support is wanted])
fi
else
DLOPEN_FLAGS=""
fi
AM_CONDITIONAL([HAS_SCRYPT], [test x$scrypt = xyes])
bflsc="no"
AC_ARG_ENABLE([bflsc],
[AC_HELP_STRING([--enable-bflsc],[Compile support for BFL ASICs (default disabled)])],
[bflsc=$enableval]
)
if test "x$bflsc" = xyes; then
AC_DEFINE([USE_BFLSC], [1], [Defined to 1 if BFL ASIC support is wanted])
fi
AM_CONDITIONAL([HAS_BFLSC], [test x$bflsc = xyes])
bitforce="no"
AC_ARG_ENABLE([bitforce],
[AC_HELP_STRING([--enable-bitforce],[Compile support for BitForce FPGAs (default disabled)])],
[bitforce=$enableval]
)
if test "x$bitforce" = xyes; then
AC_DEFINE([USE_BITFORCE], [1], [Defined to 1 if BitForce support is wanted])
fi
AM_CONDITIONAL([HAS_BITFORCE], [test x$bitforce = xyes])
icarus="no"
AC_ARG_ENABLE([icarus],
[AC_HELP_STRING([--enable-icarus],[Compile support for Icarus (default disabled)])],
[icarus=$enableval]
)
if test "x$icarus" = xyes; then
AC_DEFINE([USE_ICARUS], [1], [Defined to 1 if Icarus support is wanted])
fi
AM_CONDITIONAL([HAS_ICARUS], [test x$icarus = xyes])
modminer="no"
AC_ARG_ENABLE([modminer],
[AC_HELP_STRING([--enable-modminer],[Compile support for ModMiner FPGAs(default disabled)])],
[modminer=$enableval]
)
if test "x$modminer" = xyes; then
AC_DEFINE([USE_MODMINER], [1], [Defined to 1 if ModMiner support is wanted])
fi
AM_CONDITIONAL([HAS_MODMINER], [test x$modminer = xyes])
ztex="no"
AC_ARG_ENABLE([ztex],
[AC_HELP_STRING([--enable-ztex],[Compile support for Ztex (default disabled)])],
[ztex=$enableval]
)
if test "x$ztex" = xyes; then
AC_DEFINE([USE_ZTEX], [1], [Defined to 1 if Ztex support is wanted])
fi
AM_CONDITIONAL([HAS_ZTEX], [test x$ztex = xyes])
curses="auto"
AC_ARG_WITH([curses],
[AC_HELP_STRING([--without-curses],[Compile support for curses TUI (default enabled)])],
[curses=$withval]
)
if test "x$curses" = "xno"; then
cursesmsg='User specified --without-curses. TUI support DISABLED'
else
AC_SEARCH_LIBS(addstr, ncurses pdcurses, [
curses=yes
cursesmsg="FOUND: ${ac_cv_search_addstr}"
AC_DEFINE([HAVE_CURSES], [1], [Defined to 1 if curses TUI support is wanted])
], [
if test "x$curses" = "xyes"; then
AC_MSG_ERROR([Could not find curses library - please install libncurses-dev or pdcurses-dev (or configure --without-curses)])
else
AC_MSG_WARN([Could not find curses library - if you want a TUI, install libncurses-dev or pdcurses-dev])
curses=no
cursesmsg='NOT FOUND. TUI support DISABLED'
fi
])
fi
AM_CONDITIONAL([NEED_FPGAUTILS], [test x$icarus$bitforce$modminer$ztex != xnononono])
AM_CONDITIONAL([NEED_USBUTILS_C], [test x$bitforce$modminer$bflsc != xnonono])
AM_CONDITIONAL([HAVE_CURSES], [test x$curses = xyes])
AM_CONDITIONAL([WANT_JANSSON], [test x$request_jansson = xtrue])
AM_CONDITIONAL([HAVE_WINDOWS], [test x$have_win32 = xtrue])
AM_CONDITIONAL([HAVE_x86_64], [test x$have_x86_64 = xtrue])
if test "x$bitforce$modminer$bflsc" != xnonono; then
AC_DEFINE([USE_USBUTILS], [1], [Defined to 1 if usbutils support required])
fi
if test x$request_jansson = xtrue
then
JANSSON_LIBS="compat/jansson/libjansson.a"
else
JANSSON_LIBS=-ljansson
fi
dnl Find YASM
has_yasm=false
AC_PATH_PROG([YASM],[yasm],[false])
if test "x$YASM" != "xfalse" ; then
AC_MSG_CHECKING([if yasm version is greater than 1.0.1])
yasmver=`yasm --version | head -1 | cut -d\ -f2`
yamajor=`echo $yasmver | cut -d. -f1`
yaminor=`echo $yasmver | cut -d. -f2`
yamini=`echo $yasmver | cut -d. -f3`
if test "$yamajor" -ge "1" ; then
if test "$yamajor" -eq "1" ; then
if test "$yaminor" -ge "0" ; then
if test "$yaminor" -eq "0"; then
if test "$yamini" -ge "1"; then
has_yasm=true
fi
else
has_yasm=true
fi
fi
fi
else
has_yasm=false
fi
if test "x$has_yasm" = "xtrue" ; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
if test "x$has_yasm" = "xfalse" ; then
AC_MSG_NOTICE([yasm is required for the assembly algorithms. They will be skipped.])
fi
AM_CONDITIONAL([HAS_YASM], [test x$has_yasm = xtrue])
if test "x$icarus" != xno; then
AC_ARG_WITH([libudev], [AC_HELP_STRING([--without-libudev], [Autodetect FPGAs using libudev (default enabled)])],
[libudev=$withval],
[libudev=auto]
)
if test "x$libudev" != "xno"; then
AC_CHECK_HEADER([libudev.h],[
libudev=yes
UDEV_LIBS=-ludev
AC_DEFINE([HAVE_LIBUDEV], [1], [Defined to 1 if libudev is wanted])
], [
if test "x$libudev" = "xyes"; then
AC_MSG_ERROR([libudev not found])
fi
libudev=no
])
fi
fi
AM_CONDITIONAL([HAVE_LIBUDEV], [test x$libudev != xno])
PKG_PROG_PKG_CONFIG()
if test "x$ztex$modminer$bitforce$bflsc" != xnononono; then
case $target in
*-*-freebsd*)
LIBUSB_LIBS="-lusb"
LIBUSB_CFLAGS=""
AC_DEFINE(HAVE_LIBUSB, 1, [Define if you have libusb-1.0])
;;
*)
PKG_CHECK_MODULES(LIBUSB, libusb-1.0, [AC_DEFINE(HAVE_LIBUSB, 1, [Define if you have libusb-1.0])], [AC_MSG_ERROR([Could not find usb library - please install libusb-1.0])])
;;
esac
fi
AC_SUBST(LIBUSB_LIBS)
AC_SUBST(LIBUSB_CFLAGS)
if test "x$have_win32" != xtrue; then
PKG_CHECK_MODULES([LIBCURL], [libcurl >= 7.25.0], [AC_DEFINE([CURL_HAS_KEEPALIVE], [1], [Defined if version of curl supports keepalive.])],
[PKG_CHECK_MODULES([LIBCURL], [libcurl >= 7.18.2], ,[AC_MSG_ERROR([Missing required libcurl dev >= 7.18.2])])])
else
PKG_CHECK_MODULES([LIBCURL], [libcurl >= 7.25.0], ,[AC_MSG_ERROR([Missing required libcurl dev >= 7.25.0])])
AC_DEFINE([CURL_HAS_KEEPALIVE], [1])
fi
AC_SUBST(LIBCURL_LIBS)
dnl CCAN wants to know a lot of vars.
# All the configuration checks. Regrettably, the __attribute__ checks will
# give false positives on old GCCs, since they just cause warnings. But that's
# fairly harmless.
AC_COMPILE_IFELSE([AC_LANG_SOURCE([static void __attribute__((cold)) cleanup(void) { }])],
AC_DEFINE([HAVE_ATTRIBUTE_COLD], [1],
[Define if __attribute__((cold))]))
AC_COMPILE_IFELSE([AC_LANG_SOURCE([static void __attribute__((const)) cleanup(void) { }])],
AC_DEFINE([HAVE_ATTRIBUTE_CONST], [1],
[Define if __attribute__((const))]))
AC_COMPILE_IFELSE([AC_LANG_SOURCE([static void __attribute__((noreturn)) cleanup(void) { exit(1); }])],
AC_DEFINE([HAVE_ATTRIBUTE_NORETURN], [1],
[Define if __attribute__((noreturn))]))
AC_COMPILE_IFELSE([AC_LANG_SOURCE([static void __attribute__((format(__printf__, 1, 2))) cleanup(const char *fmt, ...) { }])],
AC_DEFINE([HAVE_ATTRIBUTE_PRINTF], [1],
[Define if __attribute__((format(__printf__)))]))
AC_COMPILE_IFELSE([AC_LANG_SOURCE([static void __attribute__((unused)) cleanup(void) { }])],
AC_DEFINE([HAVE_ATTRIBUTE_UNUSED], [1],
[Define if __attribute__((unused))]))
AC_COMPILE_IFELSE([AC_LANG_SOURCE([static void __attribute__((used)) cleanup(void) { }])],
AC_DEFINE([HAVE_ATTRIBUTE_USED], [1],
[Define if __attribute__((used))]))
AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) { return __builtin_constant_p(1) ? 0 : 1; }])],
AC_DEFINE([HAVE_BUILTIN_CONSTANT_P], [1],
[Define if have __builtin_constant_p]))
AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) { return __builtin_types_compatible_p(char *, int) ? 1 : 0; }])],
AC_DEFINE([HAVE_BUILTIN_TYPES_COMPATIBLE_P], [1],
[Define if have __builtin_types_compatible_p]))
AC_COMPILE_IFELSE([AC_LANG_SOURCE([static int __attribute__((warn_unused_result)) func(int x) { return x; }])],
AC_DEFINE([HAVE_WARN_UNUSED_RESULT], [1],
[Define if __attribute__((warn_unused_result))]))
if test "x$prefix" = xNONE; then
prefix=/usr/local
fi
AC_DEFINE_UNQUOTED([CGMINER_PREFIX], ["$prefix/bin"], [Path to cgminer install])
AC_DEFINE_UNQUOTED([PHATK_KERNNAME], ["phatk121016"], [Filename for phatk kernel])
AC_DEFINE_UNQUOTED([POCLBM_KERNNAME], ["poclbm130302"], [Filename for poclbm kernel])
AC_DEFINE_UNQUOTED([DIAKGCN_KERNNAME], ["diakgcn121016"], [Filename for diakgcn kernel])
AC_DEFINE_UNQUOTED([DIABLO_KERNNAME], ["diablo130302"], [Filename for diablo kernel])
AC_DEFINE_UNQUOTED([SCRYPT_KERNNAME], ["scrypt130302"], [Filename for scrypt kernel])
AC_SUBST(OPENCL_LIBS)
AC_SUBST(OPENCL_FLAGS)
AC_SUBST(JANSSON_LIBS)
AC_SUBST(PTHREAD_FLAGS)
AC_SUBST(DLOPEN_FLAGS)
AC_SUBST(PTHREAD_LIBS)
AC_SUBST(NCURSES_LIBS)
AC_SUBST(PDCURSES_LIBS)
AC_SUBST(WS2_LIBS)
AC_SUBST(MATH_LIBS)
AC_SUBST(UDEV_LIBS)
AC_CONFIG_FILES([
Makefile
compat/Makefile
compat/jansson/Makefile
x86_64/Makefile
x86_32/Makefile
ccan/Makefile
lib/Makefile
])
AC_OUTPUT
echo
echo
echo
echo "------------------------------------------------------------------------"
echo "$PACKAGE $VERSION"
echo "------------------------------------------------------------------------"
echo
echo
echo "Configuration Options Summary:"
echo
echo " curses.TUI...........: $cursesmsg"
if test "x$opencl" != xno; then
if test $found_opencl = 1; then
echo " OpenCL...............: FOUND. GPU mining support enabled"
if test "x$scrypt" != xno; then
echo " scrypt...............: Enabled"
else
echo " scrypt...............: Disabled"
fi
else
echo " OpenCL...............: NOT FOUND. GPU mining support DISABLED"
if test "x$cpumining$bitforce$icarus$ztex$modminer$bflsc" = xnononononono; then
AC_MSG_ERROR([No mining configured in])
fi
echo " scrypt...............: Disabled (needs OpenCL)"
fi
else
echo " OpenCL...............: Detection overrided. GPU mining support DISABLED"
if test "x$cpumining$bitforce$icarus$ztex$modminer$bflsc" = xnononononono; then
AC_MSG_ERROR([No mining configured in])
fi
echo " scrypt...............: Disabled (needs OpenCL)"
fi
if test "x$adl" != xno; then
if test x$have_adl = xtrue; then
echo " ADL..................: SDK found, GPU monitoring support enabled"
else
echo " ADL..................: SDK NOT found, GPU monitoring support DISABLED"
fi
else
echo " ADL..................: Detection overrided. GPU monitoring support DISABLED"
fi
echo
if test "x$bflsc" = xyes; then
echo " BFL.ASICs............: Enabled"
else
echo " BFL.ASICs............: Disabled"
fi
if test "x$bitforce" = xyes; then
echo " BitForce.FPGAs.......: Enabled"
else
echo " BitForce.FPGAs.......: Disabled"
fi
if test "x$icarus" = xyes; then
echo " Icarus.FPGAs.........: Enabled"
else
echo " Icarus.FPGAs.........: Disabled"
fi
if test "x$modminer" = xyes; then
echo " ModMiner.FPGAs.......: Enabled"
else
echo " ModMiner.FPGAs.......: Disabled"
fi
if test "x$ztex" = xyes; then
echo " Ztex.FPGAs...........: Enabled"
else
echo " Ztex.FPGAs...........: Disabled"
fi
if test "x$icarus" != xno; then
echo " libudev.detection....: $libudev"
fi
if test "x$cpumining" = xyes; then
echo
echo " CPU Mining...........: Enabled"
echo " ASM.(for CPU mining).: $has_yasm"
fi
echo
echo "Compilation............: make (or gmake)"
echo " CPPFLAGS.............: $CPPFLAGS"
echo " CFLAGS...............: $CFLAGS $LIBUSB_CFLAGS"
echo " LDFLAGS..............: $LDFLAGS $PTHREAD_FLAGS"
echo " LDADD................: $DLOPEN_FLAGS $LIBCURL_LIBS $JANSSON_LIBS $PTHREAD_LIBS $OPENCL_LIBS $NCURSES_LIBS $PDCURSES_LIBS $WS2_LIBS $MATH_LIBS $UDEV_LIBS $LIBUSB_LIBS"
echo
echo "Installation...........: make install (as root if needed, with 'su' or 'sudo')"
echo " prefix...............: $prefix"
echo