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Fix type-limits, pointer-arith and sign-compare warnings
[android-x86/external-libdrm.git] / configure.ac
1 #  Copyright 2005 Adam Jackson.
2 #
3 #  Permission is hereby granted, free of charge, to any person obtaining a
4 #  copy of this software and associated documentation files (the "Software"),
5 #  to deal in the Software without restriction, including without limitation
6 #  on the rights to use, copy, modify, merge, publish, distribute, sub
7 #  license, and/or sell copies of the Software, and to permit persons to whom
8 #  the Software is furnished to do so, subject to the following conditions:
9 #
10 #  The above copyright notice and this permission notice (including the next
11 #  paragraph) shall be included in all copies or substantial portions of the
12 #  Software.
13 #
14 #  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 #  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 #  FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
17 #  ADAM JACKSON BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
18 #  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 #  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21 AC_PREREQ([2.63])
22 AC_INIT([libdrm],
23         [2.4.59],
24         [https://bugs.freedesktop.org/enter_bug.cgi?product=DRI],
25         [libdrm])
26
27 AC_CONFIG_HEADERS([config.h])
28 AC_CONFIG_SRCDIR([Makefile.am])
29 AC_CONFIG_MACRO_DIR([m4])
30 AC_CONFIG_AUX_DIR([build-aux])
31
32 AM_INIT_AUTOMAKE([1.10 foreign dist-bzip2])
33 AM_MAINTAINER_MODE([enable])
34
35 # Enable quiet compiles on automake 1.11.
36 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
37
38 # Check for programs
39 AC_PROG_CC
40
41 AC_USE_SYSTEM_EXTENSIONS
42 AC_SYS_LARGEFILE
43 AC_FUNC_ALLOCA
44
45 AC_CHECK_HEADERS([sys/mkdev.h])
46
47 # Initialize libtool
48 LT_PREREQ([2.2])
49 LT_INIT([disable-static])
50
51
52 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
53 AC_SUBST(PTHREADSTUBS_CFLAGS)
54 AC_SUBST(PTHREADSTUBS_LIBS)
55
56 pkgconfigdir=${libdir}/pkgconfig
57 AC_SUBST(pkgconfigdir)
58 AC_ARG_ENABLE([udev],
59               [AS_HELP_STRING([--enable-udev],
60                               [Enable support for using udev instead of mknod (default: disabled)])],
61               [UDEV=$enableval], [UDEV=no])
62
63 AC_ARG_ENABLE(libkms,
64               AS_HELP_STRING([--disable-libkms],
65               [Disable KMS mm abstraction library (default: auto, enabled on x86]),
66               [LIBKMS=$enableval], [LIBKMS=auto])
67
68 AC_ARG_ENABLE(intel,
69               AS_HELP_STRING([--disable-intel],
70               [Enable support for intel's KMS API (default: auto)]),
71               [INTEL=$enableval], [INTEL=auto])
72
73 AC_ARG_ENABLE(radeon,
74               AS_HELP_STRING([--disable-radeon],
75               [Enable support for radeon's KMS API (default: auto)]),
76               [RADEON=$enableval], [RADEON=auto])
77
78 AC_ARG_ENABLE(nouveau,
79               AS_HELP_STRING([--disable-nouveau],
80               [Enable support for nouveau's KMS API (default: auto)]),
81               [NOUVEAU=$enableval], [NOUVEAU=auto])
82
83 AC_ARG_ENABLE(vmwgfx,
84               AS_HELP_STRING([--disable-vmwgfx],
85               [Enable support for vmwgfx's KMS API (default: yes)]),
86               [VMWGFX=$enableval], [VMWGFX=yes])
87
88 AC_ARG_ENABLE(omap-experimental-api,
89               AS_HELP_STRING([--enable-omap-experimental-api],
90               [Enable support for OMAP's experimental API (default: disabled)]),
91               [OMAP=$enableval], [OMAP=no])
92
93 AC_ARG_ENABLE(exynos-experimental-api,
94               AS_HELP_STRING([--enable-exynos-experimental-api],
95               [Enable support for EXYNOS's experimental API (default: disabled)]),
96               [EXYNOS=$enableval], [EXYNOS=no])
97
98 AC_ARG_ENABLE(freedreno,
99               AS_HELP_STRING([--disable-freedreno],
100               [Enable support for freedreno's KMS API (default: auto, enabled on arm)]),
101               [FREEDRENO=$enableval], [FREEDRENO=auto])
102
103 AC_ARG_ENABLE(freedreno-kgsl,
104               AS_HELP_STRING([--enable-freedreno-kgsl],
105               [Enable support for freedreno's to use downstream android kernel API (default: disabled)]),
106               [FREEDRENO_KGSL=$enableval], [FREEDRENO_KGSL=no])
107
108 AC_ARG_ENABLE(tegra-experimental-api,
109               AS_HELP_STRING([--enable-tegra-experimental-api],
110               [Enable support for Tegra's experimental API (default: disabled)]),
111               [TEGRA=$enableval], [TEGRA=no])
112
113 AC_ARG_ENABLE(install-test-programs,
114                   AS_HELP_STRING([--enable-install-test-programs],
115                   [Install test programs (default: no)]),
116                   [INSTALL_TESTS=$enableval], [INSTALL_TESTS=no])
117
118 dnl ===========================================================================
119 dnl check compiler flags
120 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
121   AC_MSG_CHECKING([whether $CC supports $1])
122
123   libdrm_save_CFLAGS="$CFLAGS"
124   CFLAGS="$CFLAGS $1"
125
126   AC_COMPILE_IFELSE([AC_LANG_SOURCE([ ])], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
127   CFLAGS="$libdrm_save_CFLAGS"
128
129   if test "x$libdrm_cc_flag" = "xyes"; then
130     ifelse([$2], , :, [$2])
131   else
132     ifelse([$3], , :, [$3])
133   fi
134   AC_MSG_RESULT([$libdrm_cc_flag])
135 ])
136
137 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
138
139 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
140                [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
141                              [AC_MSG_ERROR([Couldn't find clock_gettime])])])
142 AC_SUBST([CLOCK_LIB])
143
144 AC_CHECK_FUNCS([open_memstream], [HAVE_OPEN_MEMSTREAM=yes])
145
146 dnl Use lots of warning flags with with gcc and compatible compilers
147
148 dnl Note: if you change the following variable, the cache is automatically
149 dnl skipped and all flags rechecked.  So there's no need to do anything
150 dnl else.  If for any reason you need to force a recheck, just change
151 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
152
153 MAYBE_WARN="-Wall -Wextra \
154 -Wsign-compare -Werror-implicit-function-declaration \
155 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
156 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
157 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
158 -Wstrict-aliasing=2 -Winit-self \
159 -Wdeclaration-after-statement -Wold-style-definition \
160 -Wno-missing-field-initializers -Wno-unused-parameter \
161 -Wno-attributes -Wno-long-long -Winline"
162
163 # invalidate cached value if MAYBE_WARN has changed
164 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
165         unset libdrm_cv_warn_cflags
166 fi
167 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
168         echo
169         WARN_CFLAGS=""
170
171         # Some warning options are not supported by all versions of
172         # gcc, so test all desired options against the current
173         # compiler.
174         #
175         # Note that there are some order dependencies
176         # here. Specifically, an option that disables a warning will
177         # have no net effect if a later option then enables that
178         # warnings, (perhaps implicitly). So we put some grouped
179         # options (-Wall and -Wextra) up front and the -Wno options
180         # last.
181
182         for W in $MAYBE_WARN; do
183                 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
184         done
185
186         libdrm_cv_warn_cflags=$WARN_CFLAGS
187         libdrm_cv_warn_maybe=$MAYBE_WARN
188
189         AC_MSG_CHECKING([which warning flags were supported])])
190 WARN_CFLAGS="$libdrm_cv_warn_cflags"
191
192 # Check for atomic intrinsics
193 AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives, [
194         drm_cv_atomic_primitives="none"
195
196         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
197         int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
198         int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
199                                           ]],[[]])], [drm_cv_atomic_primitives="Intel"],[])
200
201         if test "x$drm_cv_atomic_primitives" = "xnone"; then
202                 AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
203         fi
204
205         # atomic functions defined in <atomic.h> & libc on Solaris
206         if test "x$drm_cv_atomic_primitives" = "xnone"; then
207                 AC_CHECK_FUNC([atomic_cas_uint], drm_cv_atomic_primitives="Solaris")
208         fi
209 ])
210
211 if test "x$drm_cv_atomic_primitives" = xIntel; then
212         AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
213                 [Enable if your compiler supports the Intel __sync_* atomic primitives])
214 fi
215 if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
216         AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
217 fi
218
219 if test "x$INTEL" != "xno" -o \
220         "x$RADEON" != "xno" -o \
221         "x$NOUVEAU" != "xno" -o \
222         "x$OMAP" != "xno" -o \
223         "x$FREEDRENO" != "xno" -o \
224         "x$TEGRA" != "xno"; then
225         if test "x$drm_cv_atomic_primitives" = "xnone"; then
226                 if test "x$INTEL" != "xauto"; then
227                         if test "x$INTEL" != "xno"; then
228                                 AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
229                         fi
230                 else
231                         AC_MSG_WARN([Disabling libdrm_intel. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
232                         INTEL=no
233                 fi
234                 if test "x$RADEON" != "xauto"; then
235                         if test "x$RADEON" != "xno"; then
236                                 AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon GPUs by passing --disable-radeon to ./configure])
237                         fi
238                 else
239                         AC_MSG_WARN([Disabling libdrm_radeon. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
240                         RADEON=no
241                 fi
242                 if test "x$NOUVEAU" != "xauto"; then
243                         if test "x$NOUVEAU" != "xno"; then
244                                 AC_MSG_ERROR([libdrm_nouveau depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for NVIDIA GPUs by passing --disable-nouveau to ./configure])
245                         fi
246                 else
247                         AC_MSG_WARN([Disabling libdrm_nouveau. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
248                         NOUVEAU=no
249                 fi
250                 if test "x$OMAP" != "xauto"; then
251                         AC_MSG_ERROR([libdrm_omap depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for OMAP GPUs by passing --disable-omap-experimental-api to ./configure])
252                 fi
253                 if test "x$FREEDRENO" != "xauto"; then
254                         AC_MSG_ERROR([libdrm_freedreno depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for QCOM's Adreno GPUs by passing --disable-freedreno to ./configure])
255                 fi
256                 if test "x$TEGRA" != "xauto"; then
257                         AC_MSG_ERROR([libdrm_tegra depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for NVIDIA's Tegra GPUs by passing --disable-tegra-experimental-api to ./configure])
258                 fi
259         else
260                 if test "x$INTEL" != "xno"; then
261                         case $host_cpu in
262                                 i?86|x86_64) INTEL=yes ;;
263                                 *) INTEL=no ;;
264                         esac
265                 fi
266                 if test "x$RADEON" != "xno"; then
267                         RADEON=yes
268                 fi
269                 if test "x$NOUVEAU" != "xno"; then
270                         NOUVEAU=yes
271                 fi
272                 if test "x$FREEDRENO" != "xno"; then
273                         case $host_cpu in
274                                 arm*|aarch64)   FREEDRENO=yes ;;
275                                 *)              FREEDRENO=no ;;
276                         esac
277                 fi
278         fi
279 fi
280
281 if test "x$INTEL" != "xno"; then
282         PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
283 fi
284 AC_SUBST(PCIACCESS_CFLAGS)
285 AC_SUBST(PCIACCESS_LIBS)
286
287 if test "x$UDEV" = xyes; then
288         AC_DEFINE(UDEV, 1, [Have UDEV support])
289 fi
290
291 AC_CANONICAL_HOST
292 if test "x$LIBKMS" = xauto ; then
293         case $host_os in
294                 linux*)         LIBKMS="yes" ;;
295                 freebsd* | kfreebsd*-gnu)
296                                 LIBKMS="yes" ;;
297                 dragonfly*)     LIBKMS="yes" ;;
298                 *)              LIBKMS="no" ;;
299         esac
300 fi
301
302 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
303
304 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" = xyes])
305 if test "x$INTEL" = xyes; then
306         AC_DEFINE(HAVE_INTEL, 1, [Have intel support])
307 fi
308
309 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
310 if test "x$VMWGFX" = xyes; then
311         AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
312 fi
313
314 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
315 if test "x$NOUVEAU" = xyes; then
316         AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
317 fi
318
319 AM_CONDITIONAL(HAVE_OMAP, [test "x$OMAP" = xyes])
320 if test "x$OMAP" = xyes; then
321         AC_DEFINE(HAVE_OMAP, 1, [Have OMAP support])
322 fi
323
324 AM_CONDITIONAL(HAVE_EXYNOS, [test "x$EXYNOS" = xyes])
325 if test "x$EXYNOS" = xyes; then
326         AC_DEFINE(HAVE_EXYNOS, 1, [Have EXYNOS support])
327 fi
328
329 AM_CONDITIONAL(HAVE_FREEDRENO, [test "x$FREEDRENO" = xyes])
330 if test "x$FREEDRENO" = xyes; then
331         AC_DEFINE(HAVE_FREEDRENO, 1, [Have freedreno support])
332 fi
333
334 AM_CONDITIONAL(HAVE_FREEDRENO_KGSL, [test "x$FREEDRENO_KGSL" = xyes])
335 if test "x$FREEDRENO_KGSL" = xyes; then
336         AC_DEFINE(HAVE_FREEDRENO_KGSL, 1, [Have freedreno support for KGSL kernel interface])
337 fi
338
339 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" = xyes])
340 if test "x$RADEON" = xyes; then
341         AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
342 fi
343
344 AM_CONDITIONAL(HAVE_TEGRA, [test "x$TEGRA" = xyes])
345 if test "x$TEGRA" = xyes; then
346         AC_DEFINE(HAVE_TEGRA, 1, [Have Tegra support])
347 fi
348
349 AM_CONDITIONAL(HAVE_INSTALL_TESTS, [test "x$INSTALL_TESTS" = xyes])
350 if test "x$INSTALL_TESTS" = xyes; then
351         AC_DEFINE(HAVE_INSTALL_TESTS, 1, [Install test programs])
352 fi
353
354 AC_ARG_ENABLE([cairo-tests],
355               [AS_HELP_STRING([--enable-cairo-tests],
356                               [Enable support for Cairo rendering in tests (default: auto)])],
357               [CAIRO=$enableval], [CAIRO=auto])
358 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
359 AC_MSG_CHECKING([whether to enable Cairo tests])
360 if test "x$CAIRO" = xauto; then
361         CAIRO="$HAVE_CAIRO"
362 fi
363 if test "x$CAIRO" = xyes; then
364         if ! test "x$HAVE_CAIRO" = xyes; then
365                 AC_MSG_ERROR([Cairo support required but not present])
366         fi
367         AC_DEFINE(HAVE_CAIRO, 1, [Have Cairo support])
368 fi
369 AC_MSG_RESULT([$CAIRO])
370 AM_CONDITIONAL(HAVE_CAIRO, [test "x$CAIRO" = xyes])
371
372 # For enumerating devices in test case
373 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
374 if test "x$HAVE_LIBUDEV" = xyes; then
375         AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
376 fi
377 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
378
379 # xsltproc for docbook manpages
380 AC_ARG_ENABLE([manpages],
381               AS_HELP_STRING([--disable-manpages], [disable manpages @<:@default=enabled@:>@]),
382               [MANS=$enableval], [MANS=auto])
383 AC_PATH_PROG(XSLTPROC, xsltproc)
384 AM_CONDITIONAL([BUILD_MANPAGES], [test "x$XSLTPROC" != "x" -a "x$MANS" != "xno"])
385
386 # check for offline man-pages stylesheet
387 AC_MSG_CHECKING([for docbook manpages stylesheet])
388 MANPAGES_STYLESHEET="http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"
389 AC_PATH_PROGS_FEATURE_CHECK([XSLTPROC_TMP], [xsltproc],
390                             AS_IF([`"$ac_path_XSLTPROC_TMP" --nonet "$MANPAGES_STYLESHEET" > /dev/null 2>&1`],
391                                   [HAVE_MANPAGES_STYLESHEET=yes]))
392 if test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"; then
393         AC_SUBST(MANPAGES_STYLESHEET)
394         AC_MSG_RESULT([yes])
395 else
396         AC_MSG_RESULT([no])
397 fi
398 AM_CONDITIONAL([HAVE_MANPAGES_STYLESHEET], [test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"])
399
400 PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
401 if test "x$have_valgrind" = "xyes"; then
402         AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
403 fi
404
405 AC_ARG_WITH([kernel-source],
406             [AS_HELP_STRING([--with-kernel-source],
407               [specify path to linux kernel source])],
408             [kernel_source="$with_kernel_source"])
409 AC_SUBST(kernel_source)
410
411 dnl Add flags for gcc and g++
412 if test "x$GCC" = xyes; then
413     # Enable -fvisibility=hidden if using a gcc that supports it
414     save_CFLAGS="$CFLAGS"
415     AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden])
416     VISIBILITY_CFLAGS="-fvisibility=hidden"
417     CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
418     AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
419                    [VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])]);
420
421     # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
422     CFLAGS=$save_CFLAGS
423
424     if test "x$VISIBILITY_CFLAGS" != x; then
425         AC_DEFINE(HAVE_VISIBILITY, 1, [Compiler has -fvisibility support])
426     fi
427
428     AC_SUBST([VISIBILITY_CFLAGS])
429 fi
430
431 AC_SUBST(WARN_CFLAGS)
432 AC_CONFIG_FILES([
433         Makefile
434         libkms/Makefile
435         libkms/libkms.pc
436         intel/Makefile
437         intel/libdrm_intel.pc
438         radeon/Makefile
439         radeon/libdrm_radeon.pc
440         nouveau/Makefile
441         nouveau/libdrm_nouveau.pc
442         omap/Makefile
443         omap/libdrm_omap.pc
444         exynos/Makefile
445         exynos/libdrm_exynos.pc
446         freedreno/Makefile
447         freedreno/libdrm_freedreno.pc
448         tegra/Makefile
449         tegra/libdrm_tegra.pc
450         tests/Makefile
451         tests/modeprint/Makefile
452         tests/modetest/Makefile
453         tests/kmstest/Makefile
454         tests/proptest/Makefile
455         tests/radeon/Makefile
456         tests/vbltest/Makefile
457         tests/exynos/Makefile
458         tests/tegra/Makefile
459         tests/nouveau/Makefile
460         man/Makefile
461         libdrm.pc])
462 AC_OUTPUT
463
464 echo ""
465 echo "$PACKAGE_STRING will be compiled with:"
466 echo ""
467 echo "  libkms         $LIBKMS"
468 echo "  Intel API      $INTEL"
469 echo "  vmwgfx API     $VMWGFX"
470 echo "  Radeon API     $RADEON"
471 echo "  Nouveau API    $NOUVEAU"
472 echo "  OMAP API       $OMAP"
473 echo "  EXYNOS API     $EXYNOS"
474 echo "  Freedreno API  $FREEDRENO (kgsl: $FREEDRENO_KGSL)"
475 echo "  Tegra API      $TEGRA"
476 echo ""