1 2 ##------------------------------------------------------------## 3 # 4 # The multiple-architecture stuff in this file is pretty 5 # cryptic. Read docs/internals/multiple-architectures.txt 6 # for at least a partial explanation of what is going on. 7 # 8 ##------------------------------------------------------------## 9 10 # Process this file with autoconf to produce a configure script. 11 AC_INIT([Valgrind],[3.8.0.SVN],[valgrind-users (a] lists.sourceforge.net]) 12 AC_CONFIG_SRCDIR(coregrind/m_main.c) 13 AC_CONFIG_HEADERS([config.h]) 14 AM_INIT_AUTOMAKE([foreign]) 15 16 AM_MAINTAINER_MODE 17 18 #---------------------------------------------------------------------------- 19 # Checks for various programs. 20 #---------------------------------------------------------------------------- 21 CFLAGS="-Wno-long-long $CFLAGS" 22 23 AC_PROG_LN_S 24 AC_PROG_CC 25 AM_PROG_CC_C_O 26 AC_PROG_CPP 27 AC_PROG_CXX 28 # AC_PROG_OBJC apparently causes problems on older Linux distros (eg. with 29 # autoconf 2.59). If we ever have any Objective-C code in the Valgrind code 30 # base (eg. most likely as Darwin-specific tests) we'll need one of the 31 # following: 32 # - put AC_PROG_OBJC in a Darwin-specific part of this file 33 # - Use AC_PROG_OBJC here and up the minimum autoconf version 34 # - Use the following, which is apparently equivalent: 35 # m4_ifdef([AC_PROG_OBJC], 36 # [AC_PROG_OBJC], 37 # [AC_CHECK_TOOL([OBJC], [gcc]) 38 # AC_SUBST([OBJC]) 39 # AC_SUBST([OBJCFLAGS]) 40 # ]) 41 AC_PROG_RANLIB 42 # provide a very basic definition for AC_PROG_SED if it's not provided by 43 # autoconf (as e.g. in autoconf 2.59). 44 m4_ifndef([AC_PROG_SED], 45 [AC_DEFUN([AC_PROG_SED], 46 [AC_ARG_VAR([SED]) 47 AC_CHECK_PROGS([SED],[gsed sed])])]) 48 AC_PROG_SED 49 50 # If no AR variable was specified, look up the name of the archiver. Otherwise 51 # do not touch the AR variable. 52 if test "x$AR" = "x"; then 53 AC_PATH_PROGS([AR], [`echo $LD | $SED 's/ld$/ar/'` "ar"], [ar]) 54 fi 55 AC_ARG_VAR([AR],[Archiver command]) 56 57 # Check for the compiler support 58 if test "${GCC}" != "yes" ; then 59 AC_MSG_ERROR([Valgrind relies on GCC to be compiled]) 60 fi 61 62 # figure out where perl lives 63 AC_PATH_PROG(PERL, perl) 64 65 # figure out where gdb lives 66 AC_PATH_PROG(GDB, gdb, "/no/gdb/was/found/at/configure/time") 67 AC_DEFINE_UNQUOTED(GDB_PATH, "$GDB", [path to GDB]) 68 69 # some older automake's don't have it so try something on our own 70 ifdef([AM_PROG_AS],[AM_PROG_AS], 71 [ 72 AS="${CC}" 73 AC_SUBST(AS) 74 75 ASFLAGS="" 76 AC_SUBST(ASFLAGS) 77 ]) 78 79 80 # Check if 'diff' supports -u (universal diffs) and use it if possible. 81 82 AC_MSG_CHECKING([for diff -u]) 83 AC_SUBST(DIFF) 84 85 # Comparing two identical files results in 0. 86 tmpfile="tmp-xxx-yyy-zzz" 87 touch $tmpfile; 88 if diff -u $tmpfile $tmpfile ; then 89 AC_MSG_RESULT([yes]) 90 DIFF="diff -u" 91 else 92 AC_MSG_RESULT([no]) 93 DIFF="diff" 94 fi 95 rm $tmpfile 96 97 98 # We don't want gcc < 3.0 99 AC_MSG_CHECKING([for a supported version of gcc]) 100 101 # Try to get the gcc version, sed-ing out some unexpected stuff 102 # that appears with the default gcc on OSX 10.6 and 10.7 respectively. 103 # Without this, the version number comes out as 686, 10 or 11 :-( 104 # 105 # i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3) 106 # i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00) 107 # 108 [gcc_version=`${CC} --version \ 109 | head -n 1 \ 110 | $SED 's/i686-apple-darwin9//' \ 111 | $SED 's/i686-apple-darwin10//' \ 112 | $SED 's/i686-apple-darwin11//' \ 113 | $SED 's/^[^0-9]*\([0-9.]*\).*$/\1/'`] 114 115 is_clang="notclang" 116 if test "x`${CC} --version | head -n 1 | $SED 's/\(clang\) version.*/\1/'`" = "xclang" ; then 117 is_clang="clang" 118 fi 119 120 case "${is_clang}-${gcc_version}" in 121 notclang-3.*) 122 AC_MSG_RESULT([ok (${gcc_version})]) 123 ;; 124 notclang-4.*) 125 AC_MSG_RESULT([ok (${gcc_version})]) 126 ;; 127 clang-2.9) 128 AC_MSG_RESULT([ok (clang-${gcc_version})]) 129 ;; 130 *) 131 AC_MSG_RESULT([no (${gcc_version})]) 132 AC_MSG_ERROR([please use gcc >= 3.0 or clang >= 2.9]) 133 ;; 134 esac 135 136 AC_PROG_EGREP 137 AC_DEFINE_UNQUOTED(EGREP_PATH, "$EGREP", [path to egrep]) 138 139 AC_PATH_PROG(STRINGS, strings) 140 AC_DEFINE_UNQUOTED(STRINGS_PATH, "$STRINGS", [path to strings]) 141 142 AC_PATH_PROG(SH, sh) 143 AC_DEFINE_UNQUOTED(SH_PATH, "$SH", [path to sh]) 144 145 #---------------------------------------------------------------------------- 146 # Arch/OS/platform tests. 147 #---------------------------------------------------------------------------- 148 # We create a number of arch/OS/platform-related variables. We prefix them 149 # all with "VGCONF_" which indicates that they are defined at 150 # configure-time, and distinguishes them from the VGA_*/VGO_*/VGP_* 151 # variables used when compiling C files. 152 153 AC_CANONICAL_HOST 154 155 AC_MSG_CHECKING([for a supported CPU]) 156 157 # ARCH_MAX reflects the most that this CPU can do: for example if it 158 # is a 64-bit capable PowerPC, then it must be set to ppc64 and not ppc32. 159 # Ditto for amd64. It is used for more configuration below, but is not used 160 # outside this file. 161 case "${host_cpu}" in 162 i?86) 163 AC_MSG_RESULT([ok (${host_cpu})]) 164 ARCH_MAX="x86" 165 ;; 166 167 x86_64) 168 AC_MSG_RESULT([ok (${host_cpu})]) 169 ARCH_MAX="amd64" 170 ;; 171 172 powerpc64) 173 AC_MSG_RESULT([ok (${host_cpu})]) 174 ARCH_MAX="ppc64" 175 ;; 176 177 powerpc) 178 # On Linux this means only a 32-bit capable CPU. 179 AC_MSG_RESULT([ok (${host_cpu})]) 180 ARCH_MAX="ppc32" 181 ;; 182 183 s390x) 184 AC_MSG_RESULT([ok (${host_cpu})]) 185 ARCH_MAX="s390x" 186 ;; 187 188 armv7*) 189 AC_MSG_RESULT([ok (${host_cpu})]) 190 ARCH_MAX="arm" 191 ;; 192 193 *) 194 AC_MSG_RESULT([no (${host_cpu})]) 195 AC_MSG_ERROR([Unsupported host architecture. Sorry]) 196 ;; 197 esac 198 199 #---------------------------------------------------------------------------- 200 201 # Sometimes it's convenient to subvert the bi-arch build system and 202 # just have a single build even though the underlying platform is 203 # capable of both. Hence handle --enable-only64bit and 204 # --enable-only32bit. Complain if both are issued :-) 205 # [Actually, if either of these options are used, I think both get built, 206 # but only one gets installed. So if you use an in-place build, both can be 207 # used. --njn] 208 209 # Check if a 64-bit only build has been requested 210 AC_CACHE_CHECK([for a 64-bit only build], vg_cv_only64bit, 211 [AC_ARG_ENABLE(only64bit, 212 [ --enable-only64bit do a 64-bit only build], 213 [vg_cv_only64bit=$enableval], 214 [vg_cv_only64bit=no])]) 215 216 # Check if a 32-bit only build has been requested 217 AC_CACHE_CHECK([for a 32-bit only build], vg_cv_only32bit, 218 [AC_ARG_ENABLE(only32bit, 219 [ --enable-only32bit do a 32-bit only build], 220 [vg_cv_only32bit=$enableval], 221 [vg_cv_only32bit=no])]) 222 223 # Stay sane 224 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then 225 AC_MSG_ERROR( 226 [Nonsensical: both --enable-only64bit and --enable-only32bit.]) 227 fi 228 229 #---------------------------------------------------------------------------- 230 231 # VGCONF_OS is the primary build OS, eg. "linux". It is passed in to 232 # compilation of many C files via -VGO_$(VGCONF_OS) and 233 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS). 234 AC_MSG_CHECKING([for a supported OS]) 235 AC_SUBST(VGCONF_OS) 236 237 DEFAULT_SUPP="" 238 239 case "${host_os}" in 240 *linux*) 241 AC_MSG_RESULT([ok (${host_os})]) 242 VGCONF_OS="linux" 243 244 # Ok, this is linux. Check the kernel version 245 AC_MSG_CHECKING([for the kernel version]) 246 247 kernel=`uname -r` 248 249 case "${kernel}" in 250 2.6.*|3.*) 251 AC_MSG_RESULT([2.6.x/3.x family (${kernel})]) 252 AC_DEFINE([KERNEL_2_6], 1, [Define to 1 if you're using Linux 2.6.x or Linux 3.x]) 253 ;; 254 255 2.4.*) 256 AC_MSG_RESULT([2.4 family (${kernel})]) 257 AC_DEFINE([KERNEL_2_4], 1, [Define to 1 if you're using Linux 2.4.x]) 258 ;; 259 260 *) 261 AC_MSG_RESULT([unsupported (${kernel})]) 262 AC_MSG_ERROR([Valgrind works on kernels 2.4, 2.6]) 263 ;; 264 esac 265 266 ;; 267 268 *darwin*) 269 AC_MSG_RESULT([ok (${host_os})]) 270 VGCONF_OS="darwin" 271 AC_DEFINE([DARWIN_10_5], 100500, [DARWIN_VERS value for Mac OS X 10.5]) 272 AC_DEFINE([DARWIN_10_6], 100600, [DARWIN_VERS value for Mac OS X 10.6]) 273 AC_DEFINE([DARWIN_10_7], 100700, [DARWIN_VERS value for Mac OS X 10.7]) 274 275 AC_MSG_CHECKING([for the kernel version]) 276 kernel=`uname -r` 277 278 # Nb: for Darwin we set DEFAULT_SUPP here. That's because Darwin 279 # has only one relevant version, the OS version. The `uname` check 280 # is a good way to get that version (i.e. "Darwin 9.6.0" is Mac OS 281 # X 10.5.6, and "Darwin 10.x" is Mac OS X 10.6.x Snow Leopard, 282 # and possibly "Darwin 11.x" is Mac OS X 10.7.x Lion), 283 # and we don't know of an macros similar to __GLIBC__ to get that info. 284 # 285 # XXX: `uname -r` won't do the right thing for cross-compiles, but 286 # that's not a problem yet. 287 # 288 # jseward 21 Sept 2011: I seriously doubt whether V 3.7.0 will work 289 # on OS X 10.5.x; I haven't tested yet, and only plan to test 3.7.0 290 # on 10.6.8 and 10.7.1. Although tempted to delete the configure 291 # time support for 10.5 (the 9.* pattern just below), I'll leave it 292 # in for now, just in case anybody wants to give it a try. But I'm 293 # assuming that 3.7.0 is a Snow Leopard and Lion-only release. 294 case "${kernel}" in 295 9.*) 296 AC_MSG_RESULT([Darwin 9.x (${kernel}) / Mac OS X 10.5 Leopard]) 297 AC_DEFINE([DARWIN_VERS], DARWIN_10_5, [Darwin / Mac OS X version]) 298 DEFAULT_SUPP="darwin9.supp ${DEFAULT_SUPP}" 299 DEFAULT_SUPP="darwin9-drd.supp ${DEFAULT_SUPP}" 300 ;; 301 10.*) 302 AC_MSG_RESULT([Darwin 10.x (${kernel}) / Mac OS X 10.6 Snow Leopard]) 303 AC_DEFINE([DARWIN_VERS], DARWIN_10_6, [Darwin / Mac OS X version]) 304 DEFAULT_SUPP="darwin10.supp ${DEFAULT_SUPP}" 305 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}" 306 ;; 307 11.*) 308 AC_MSG_RESULT([Darwin 11.x (${kernel}) / Mac OS X 10.7 Lion]) 309 AC_DEFINE([DARWIN_VERS], DARWIN_10_7, [Darwin / Mac OS X version]) 310 # FIXME: change these to xx11.supp 311 DEFAULT_SUPP="darwin11.supp ${DEFAULT_SUPP}" 312 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}" 313 ;; 314 *) 315 AC_MSG_RESULT([unsupported (${kernel})]) 316 AC_MSG_ERROR([Valgrind works on Darwin 10.x and 11.x (Mac OS X 10.6/7)]) 317 ;; 318 esac 319 ;; 320 321 *) 322 AC_MSG_RESULT([no (${host_os})]) 323 AC_MSG_ERROR([Valgrind is operating system specific. Sorry.]) 324 ;; 325 esac 326 327 #---------------------------------------------------------------------------- 328 329 # If we are building on a 64 bit platform test to see if the system 330 # supports building 32 bit programs and disable 32 bit support if it 331 # does not support building 32 bit programs 332 333 case "$ARCH_MAX-$VGCONF_OS" in 334 amd64-linux|ppc64-linux) 335 AC_MSG_CHECKING([for 32 bit build support]) 336 safe_CFLAGS=$CFLAGS 337 CFLAGS="-m32" 338 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ 339 return 0; 340 ]])], [ 341 AC_MSG_RESULT([yes]) 342 ], [ 343 vg_cv_only64bit="yes" 344 AC_MSG_RESULT([no]) 345 ]) 346 CFLAGS=$safe_CFLAGS;; 347 esac 348 349 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then 350 AC_MSG_ERROR( 351 [--enable-only32bit was specified but system does not support 32 bit builds]) 352 fi 353 354 #---------------------------------------------------------------------------- 355 356 # VGCONF_ARCH_PRI is the arch for the primary build target, eg. "amd64". By 357 # default it's the same as ARCH_MAX. But if, say, we do a build on an amd64 358 # machine, but --enable-only32bit has been requested, then ARCH_MAX (see 359 # above) will be "amd64" since that reflects the most that this cpu can do, 360 # but VGCONF_ARCH_PRI will be downgraded to "x86", since that reflects the 361 # arch corresponding to the primary build (VGCONF_PLATFORM_PRI_CAPS). It is 362 # passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_PRI) and 363 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS). 364 AC_SUBST(VGCONF_ARCH_PRI) 365 366 # VGCONF_ARCH_SEC is the arch for the secondary build target, eg. "x86". 367 # It is passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_SEC) 368 # and -VGP_$(VGCONF_ARCH_SEC)_$(VGCONF_OS), if there is a secondary target. 369 # It is empty if there is no secondary target. 370 AC_SUBST(VGCONF_ARCH_SEC) 371 372 # VGCONF_PLATFORM_PRI_CAPS is the primary build target, eg. "AMD64_LINUX". 373 # The entire system, including regression and performance tests, will be 374 # built for this target. The "_CAPS" indicates that the name is in capital 375 # letters, and it also uses '_' rather than '-' as a separator, because it's 376 # used to create various Makefile variables, which are all in caps by 377 # convention and cannot contain '-' characters. This is in contrast to 378 # VGCONF_ARCH_PRI and VGCONF_OS which are not in caps. 379 AC_SUBST(VGCONF_PLATFORM_PRI_CAPS) 380 381 # VGCONF_PLATFORM_SEC_CAPS is the secondary build target, if there is one. 382 # Valgrind and tools will also be built for this target, but not the 383 # regression or performance tests. 384 # 385 # By default, the primary arch is the same as the "max" arch, as commented 386 # above (at the definition of ARCH_MAX). We may choose to downgrade it in 387 # the big case statement just below here, in the case where we're building 388 # on a 64 bit machine but have been requested only to do a 32 bit build. 389 AC_SUBST(VGCONF_PLATFORM_SEC_CAPS) 390 391 AC_MSG_CHECKING([for a supported CPU/OS combination]) 392 393 # NB. The load address for a given platform may be specified in more 394 # than one place, in some cases, depending on whether we're doing a biarch, 395 # 32-bit only or 64-bit only build. eg see case for amd64-linux below. 396 # Be careful to give consistent values in all subcases. Also, all four 397 # valt_load_addres_{pri,sec}_{norml,inner} values must always be set, 398 # even if it is to "0xUNSET". 399 # 400 case "$ARCH_MAX-$VGCONF_OS" in 401 x86-linux) 402 VGCONF_ARCH_PRI="x86" 403 VGCONF_ARCH_SEC="" 404 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX" 405 VGCONF_PLATFORM_SEC_CAPS="" 406 valt_load_address_pri_norml="0x38000000" 407 valt_load_address_pri_inner="0x28000000" 408 valt_load_address_sec_norml="0xUNSET" 409 valt_load_address_sec_inner="0xUNSET" 410 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})]) 411 ;; 412 amd64-linux) 413 valt_load_address_sec_norml="0xUNSET" 414 valt_load_address_sec_inner="0xUNSET" 415 if test x$vg_cv_only64bit = xyes; then 416 VGCONF_ARCH_PRI="amd64" 417 VGCONF_ARCH_SEC="" 418 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX" 419 VGCONF_PLATFORM_SEC_CAPS="" 420 valt_load_address_pri_norml="0x38000000" 421 valt_load_address_pri_inner="0x28000000" 422 elif test x$vg_cv_only32bit = xyes; then 423 VGCONF_ARCH_PRI="x86" 424 VGCONF_ARCH_SEC="" 425 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX" 426 VGCONF_PLATFORM_SEC_CAPS="" 427 valt_load_address_pri_norml="0x38000000" 428 valt_load_address_pri_inner="0x28000000" 429 else 430 VGCONF_ARCH_PRI="amd64" 431 VGCONF_ARCH_SEC="x86" 432 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX" 433 VGCONF_PLATFORM_SEC_CAPS="X86_LINUX" 434 valt_load_address_pri_norml="0x38000000" 435 valt_load_address_pri_inner="0x28000000" 436 valt_load_address_sec_norml="0x38000000" 437 valt_load_address_sec_inner="0x28000000" 438 fi 439 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})]) 440 ;; 441 ppc32-linux) 442 VGCONF_ARCH_PRI="ppc32" 443 VGCONF_ARCH_SEC="" 444 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX" 445 VGCONF_PLATFORM_SEC_CAPS="" 446 valt_load_address_pri_norml="0x38000000" 447 valt_load_address_pri_inner="0x28000000" 448 valt_load_address_sec_norml="0xUNSET" 449 valt_load_address_sec_inner="0xUNSET" 450 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})]) 451 ;; 452 ppc64-linux) 453 valt_load_address_sec_norml="0xUNSET" 454 valt_load_address_sec_inner="0xUNSET" 455 if test x$vg_cv_only64bit = xyes; then 456 VGCONF_ARCH_PRI="ppc64" 457 VGCONF_ARCH_SEC="" 458 VGCONF_PLATFORM_PRI_CAPS="PPC64_LINUX" 459 VGCONF_PLATFORM_SEC_CAPS="" 460 valt_load_address_pri_norml="0x38000000" 461 valt_load_address_pri_inner="0x28000000" 462 elif test x$vg_cv_only32bit = xyes; then 463 VGCONF_ARCH_PRI="ppc32" 464 VGCONF_ARCH_SEC="" 465 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX" 466 VGCONF_PLATFORM_SEC_CAPS="" 467 valt_load_address_pri_norml="0x38000000" 468 valt_load_address_pri_inner="0x28000000" 469 else 470 VGCONF_ARCH_PRI="ppc64" 471 VGCONF_ARCH_SEC="ppc32" 472 VGCONF_PLATFORM_PRI_CAPS="PPC64_LINUX" 473 VGCONF_PLATFORM_SEC_CAPS="PPC32_LINUX" 474 valt_load_address_pri_norml="0x38000000" 475 valt_load_address_pri_inner="0x28000000" 476 valt_load_address_sec_norml="0x38000000" 477 valt_load_address_sec_inner="0x28000000" 478 fi 479 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})]) 480 ;; 481 # Darwin gets identified as 32-bit even when it supports 64-bit. 482 # (Not sure why, possibly because 'uname' returns "i386"?) Just about 483 # all Macs support both 32-bit and 64-bit, so we just build both. If 484 # someone has a really old 32-bit only machine they can (hopefully?) 485 # build with --enable-only32bit. See bug 243362. 486 x86-darwin|amd64-darwin) 487 ARCH_MAX="amd64" 488 valt_load_address_sec_norml="0xUNSET" 489 valt_load_address_sec_inner="0xUNSET" 490 if test x$vg_cv_only64bit = xyes; then 491 VGCONF_ARCH_PRI="amd64" 492 VGCONF_ARCH_SEC="" 493 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN" 494 VGCONF_PLATFORM_SEC_CAPS="" 495 valt_load_address_pri_norml="0x138000000" 496 valt_load_address_pri_inner="0x128000000" 497 elif test x$vg_cv_only32bit = xyes; then 498 VGCONF_ARCH_PRI="x86" 499 VGCONF_ARCH_SEC="" 500 VGCONF_PLATFORM_PRI_CAPS="X86_DARWIN" 501 VGCONF_PLATFORM_SEC_CAPS="" 502 VGCONF_ARCH_PRI_CAPS="x86" 503 valt_load_address_pri_norml="0x38000000" 504 valt_load_address_pri_inner="0x28000000" 505 else 506 VGCONF_ARCH_PRI="amd64" 507 VGCONF_ARCH_SEC="x86" 508 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN" 509 VGCONF_PLATFORM_SEC_CAPS="X86_DARWIN" 510 valt_load_address_pri_norml="0x138000000" 511 valt_load_address_pri_inner="0x128000000" 512 valt_load_address_sec_norml="0x38000000" 513 valt_load_address_sec_inner="0x28000000" 514 fi 515 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})]) 516 ;; 517 arm-linux) 518 VGCONF_ARCH_PRI="arm" 519 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX" 520 VGCONF_PLATFORM_SEC_CAPS="" 521 valt_load_address_pri_norml="0x38000000" 522 valt_load_address_pri_inner="0x28000000" 523 valt_load_address_sec_norml="0xUNSET" 524 valt_load_address_sec_inner="0xUNSET" 525 AC_MSG_RESULT([ok (${host_cpu}-${host_os})]) 526 ;; 527 s390x-linux) 528 VGCONF_ARCH_PRI="s390x" 529 VGCONF_ARCH_SEC="" 530 VGCONF_PLATFORM_PRI_CAPS="S390X_LINUX" 531 VGCONF_PLATFORM_SEC_CAPS="" 532 # we want to have the generated code close to the dispatcher 533 valt_load_address_pri_norml="0x401000000" 534 valt_load_address_pri_inner="0x410000000" 535 valt_load_address_sec_norml="0xUNSET" 536 valt_load_address_sec_inner="0xUNSET" 537 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})]) 538 ;; 539 *) 540 VGCONF_ARCH_PRI="unknown" 541 VGCONF_ARCH_SEC="unknown" 542 VGCONF_PLATFORM_PRI_CAPS="UNKNOWN" 543 VGCONF_PLATFORM_SEC_CAPS="UNKNOWN" 544 valt_load_address_pri_norml="0xUNSET" 545 valt_load_address_pri_inner="0xUNSET" 546 valt_load_address_sec_norml="0xUNSET" 547 valt_load_address_sec_inner="0xUNSET" 548 AC_MSG_RESULT([no (${ARCH_MAX}-${VGCONF_OS})]) 549 AC_MSG_ERROR([Valgrind is platform specific. Sorry. Please consider doing a port.]) 550 ;; 551 esac 552 553 #---------------------------------------------------------------------------- 554 555 # Set up VGCONF_ARCHS_INCLUDE_<arch>. Either one or two of these become 556 # defined. 557 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_X86, 558 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \ 559 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \ 560 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \ 561 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN ) 562 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_AMD64, 563 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \ 564 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN ) 565 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC32, 566 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \ 567 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX ) 568 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC64, 569 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX ) 570 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM, 571 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX ) 572 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_S390X, 573 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX ) 574 575 # Set up VGCONF_PLATFORMS_INCLUDE_<platform>. Either one or two of these 576 # become defined. 577 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_LINUX, 578 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \ 579 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX) 580 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_LINUX, 581 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX) 582 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC32_LINUX, 583 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \ 584 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX) 585 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64_LINUX, 586 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX) 587 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM_LINUX, 588 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX) 589 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_S390X_LINUX, 590 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \ 591 -o x$VGCONF_PLATFORM_SEC_CAPS = xS390X_LINUX) 592 593 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_DARWIN, 594 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \ 595 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN) 596 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_DARWIN, 597 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN) 598 599 600 # Similarly, set up VGCONF_OS_IS_<os>. Exactly one of these becomes defined. 601 # Relies on the assumption that the primary and secondary targets are 602 # for the same OS, so therefore only necessary to test the primary. 603 AM_CONDITIONAL(VGCONF_OS_IS_LINUX, 604 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \ 605 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \ 606 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \ 607 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX \ 608 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \ 609 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX) 610 AM_CONDITIONAL(VGCONF_OS_IS_DARWIN, 611 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \ 612 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN) 613 614 615 # Sometimes, in the Makefile.am files, it's useful to know whether or not 616 # there is a secondary target. 617 AM_CONDITIONAL(VGCONF_HAVE_PLATFORM_SEC, 618 test x$VGCONF_PLATFORM_SEC_CAPS != x) 619 620 621 #---------------------------------------------------------------------------- 622 # Inner Valgrind? 623 #---------------------------------------------------------------------------- 624 625 # Check if this should be built as an inner Valgrind, to be run within 626 # another Valgrind. Choose the load address accordingly. 627 AC_SUBST(VALT_LOAD_ADDRESS_PRI) 628 AC_SUBST(VALT_LOAD_ADDRESS_SEC) 629 AC_CACHE_CHECK([for use as an inner Valgrind], vg_cv_inner, 630 [AC_ARG_ENABLE(inner, 631 [ --enable-inner enables self-hosting], 632 [vg_cv_inner=$enableval], 633 [vg_cv_inner=no])]) 634 if test "$vg_cv_inner" = yes; then 635 AC_DEFINE([ENABLE_INNER], 1, [configured to run as an inner Valgrind]) 636 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_inner 637 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_inner 638 else 639 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_norml 640 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_norml 641 fi 642 643 644 #---------------------------------------------------------------------------- 645 # Extra fine-tuning of installation directories 646 #---------------------------------------------------------------------------- 647 AC_ARG_WITH(tmpdir, 648 [ --with-tmpdir=PATH Specify path for temporary files], 649 tmpdir="$withval", 650 tmpdir="/tmp") 651 AC_DEFINE_UNQUOTED(VG_TMPDIR, "$tmpdir", [Temporary files directory]) 652 653 654 #---------------------------------------------------------------------------- 655 # Libc and suppressions 656 #---------------------------------------------------------------------------- 657 # This variable will collect the suppression files to be used. 658 AC_SUBST(DEFAULT_SUPP) 659 660 AC_CHECK_HEADER([features.h]) 661 662 if test x$ac_cv_header_features_h = xyes; then 663 rm -f conftest.$ac_ext 664 cat <<_ACEOF >conftest.$ac_ext 665 #include <features.h> 666 #if defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__) 667 glibc version is: __GLIBC__ __GLIBC_MINOR__ 668 #endif 669 _ACEOF 670 GLIBC_VERSION="`$CPP conftest.$ac_ext | $SED -n 's/^glibc version is: //p' | $SED 's/ /./g'`" 671 fi 672 673 # not really a version check 674 AC_EGREP_CPP([DARWIN_LIBC], [ 675 #include <sys/cdefs.h> 676 #if defined(__DARWIN_VERS_1050) 677 DARWIN_LIBC 678 #endif 679 ], 680 GLIBC_VERSION="darwin") 681 682 # not really a version check 683 AC_EGREP_CPP([BIONIC_LIBC], [ 684 #if defined(__ANDROID__) 685 BIONIC_LIBC 686 #endif 687 ], 688 GLIBC_VERSION="bionic") 689 690 691 AC_MSG_CHECKING([the GLIBC_VERSION version]) 692 693 case "${GLIBC_VERSION}" in 694 2.2) 695 AC_MSG_RESULT(2.2 family) 696 AC_DEFINE([GLIBC_2_2], 1, [Define to 1 if you're using glibc 2.2.x]) 697 DEFAULT_SUPP="glibc-2.2.supp ${DEFAULT_SUPP}" 698 DEFAULT_SUPP="glibc-2.2-LinuxThreads-helgrind.supp ${DEFAULT_SUPP}" 699 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 700 ;; 701 702 2.3) 703 AC_MSG_RESULT(2.3 family) 704 AC_DEFINE([GLIBC_2_3], 1, [Define to 1 if you're using glibc 2.3.x]) 705 DEFAULT_SUPP="glibc-2.3.supp ${DEFAULT_SUPP}" 706 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 707 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 708 ;; 709 710 2.4) 711 AC_MSG_RESULT(2.4 family) 712 AC_DEFINE([GLIBC_2_4], 1, [Define to 1 if you're using glibc 2.4.x]) 713 DEFAULT_SUPP="glibc-2.4.supp ${DEFAULT_SUPP}" 714 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 715 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 716 ;; 717 718 2.5) 719 AC_MSG_RESULT(2.5 family) 720 AC_DEFINE([GLIBC_2_5], 1, [Define to 1 if you're using glibc 2.5.x]) 721 DEFAULT_SUPP="glibc-2.5.supp ${DEFAULT_SUPP}" 722 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 723 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 724 ;; 725 2.6) 726 AC_MSG_RESULT(2.6 family) 727 AC_DEFINE([GLIBC_2_6], 1, [Define to 1 if you're using glibc 2.6.x]) 728 DEFAULT_SUPP="glibc-2.6.supp ${DEFAULT_SUPP}" 729 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 730 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 731 ;; 732 2.7) 733 AC_MSG_RESULT(2.7 family) 734 AC_DEFINE([GLIBC_2_7], 1, [Define to 1 if you're using glibc 2.7.x]) 735 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}" 736 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 737 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 738 ;; 739 2.8) 740 AC_MSG_RESULT(2.8 family) 741 AC_DEFINE([GLIBC_2_8], 1, [Define to 1 if you're using glibc 2.8.x]) 742 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}" 743 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 744 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 745 ;; 746 2.9) 747 AC_MSG_RESULT(2.9 family) 748 AC_DEFINE([GLIBC_2_9], 1, [Define to 1 if you're using glibc 2.9.x]) 749 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}" 750 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 751 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 752 ;; 753 2.10) 754 AC_MSG_RESULT(2.10 family) 755 AC_DEFINE([GLIBC_2_10], 1, [Define to 1 if you're using glibc 2.10.x]) 756 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}" 757 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 758 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 759 ;; 760 2.11) 761 AC_MSG_RESULT(2.11 family) 762 AC_DEFINE([GLIBC_2_11], 1, [Define to 1 if you're using glibc 2.11.x]) 763 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}" 764 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 765 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 766 ;; 767 2.12) 768 AC_MSG_RESULT(2.12 family) 769 AC_DEFINE([GLIBC_2_12], 1, [Define to 1 if you're using glibc 2.12.x]) 770 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}" 771 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 772 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 773 ;; 774 2.13) 775 AC_MSG_RESULT(2.13 family) 776 AC_DEFINE([GLIBC_2_13], 1, [Define to 1 if you're using glibc 2.13.x]) 777 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}" 778 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 779 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 780 ;; 781 2.14) 782 AC_MSG_RESULT(2.14 family) 783 AC_DEFINE([GLIBC_2_14], 1, [Define to 1 if you're using glibc 2.14.x]) 784 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}" 785 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}" 786 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}" 787 ;; 788 darwin) 789 AC_MSG_RESULT(Darwin) 790 AC_DEFINE([DARWIN_LIBC], 1, [Define to 1 if you're using Darwin]) 791 # DEFAULT_SUPP set by kernel version check above. 792 ;; 793 bionic) 794 AC_MSG_RESULT(Bionic) 795 AC_DEFINE([BIONIC_LIBC], 1, [Define to 1 if you're using Bionic]) 796 DEFAULT_SUPP="bionic.supp ${DEFAULT_SUPP}" 797 ;; 798 799 *) 800 AC_MSG_RESULT([unsupported version ${GLIBC_VERSION}]) 801 AC_MSG_ERROR([Valgrind requires glibc version 2.2 - 2.14]) 802 AC_MSG_ERROR([or Darwin libc]) 803 ;; 804 esac 805 806 AC_SUBST(GLIBC_VERSION) 807 808 if test x$ac_cv_header_features_h = xyes; then 809 rm -f conftest.$ac_ext 810 cat <<_ACEOF >conftest.$ac_ext 811 #include <features.h> 812 #if defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__) 813 glibc major version is: __GLIBC__ 814 #endif 815 _ACEOF 816 GLIBC_MAJOR="`$CPP conftest.$ac_ext | $SED -n 's/^glibc major version is: //p'`" 817 fi 818 819 AC_MSG_CHECKING([the GLIBC_MAJOR version]) 820 821 case "${GLIBC_MAJOR}" in 822 2) 823 AC_MSG_RESULT(2.X family) 824 AC_DEFINE([GLIBC_2_X], 1, [Define to 1 if you're using glibc 2.x.x]) 825 DEFAULT_SUPP="glibc-X.X.supp ${DEFAULT_SUPP}" 826 ;; 827 *) 828 ;; 829 esac 830 831 AC_SUBST(GLIBC_MAJOR) 832 833 834 # Add default suppressions for the X client libraries. Make no 835 # attempt to detect whether such libraries are installed on the 836 # build machine (or even if any X facilities are present); just 837 # add the suppressions antidisirregardless. 838 DEFAULT_SUPP="xfree-4.supp ${DEFAULT_SUPP}" 839 DEFAULT_SUPP="xfree-3.supp ${DEFAULT_SUPP}" 840 841 # Add glibc and X11 suppressions for exp-sgcheck 842 DEFAULT_SUPP="exp-sgcheck.supp ${DEFAULT_SUPP}" 843 844 845 #---------------------------------------------------------------------------- 846 # Platform variants? 847 #---------------------------------------------------------------------------- 848 849 # Normally the PLAT = (ARCH, OS) characterisation of the platform is enough. 850 # But there are times where we need a bit more control. The motivating 851 # and currently only case is Android: this is almost identical to arm-linux, 852 # but not quite. So this introduces the concept of platform variant tags, 853 # which get passed in the compile as -DVGPV_<arch>_<os>_<variant> along 854 # with the main -DVGP_<arch>_<os> definition. 855 # 856 # In almost all cases, the <variant> bit is "vanilla". But for Android 857 # it is "android" instead. 858 # 859 # Consequently (eg), plain arm-linux would build with 860 # 861 # -DVGP_arm_linux -DVGPV_arm_linux_vanilla 862 # 863 # whilst an Android build would have 864 # 865 # -DVGP_arm_linux -DVGPV_arm_linux_android 866 # 867 # The setup of the platform variant is pushed relatively far down this 868 # file in order that we can inspect any of the variables set above. 869 870 # In the normal case .. 871 VGCONF_PLATVARIANT="vanilla" 872 873 # Android on ARM ? 874 if test "$VGCONF_ARCH_PRI-$VGCONF_OS" = "arm-linux" \ 875 -a "$GLIBC_VERSION" = "bionic"; 876 then 877 VGCONF_PLATVARIANT="android" 878 fi 879 880 AC_SUBST(VGCONF_PLATVARIANT) 881 882 883 # FIXME: do we also want to define automake variables 884 # VGCONF_PLATVARIANT_IS_<WHATEVER>, where WHATEVER is (currently) 885 # VANILLA or ANDROID ? This would be in the style of VGCONF_ARCHS_INCLUDE, 886 # VGCONF_PLATFORMS_INCLUDE and VGCONF_OS_IS above? Could easily enough 887 # do that. Problem is that we can't do and-ing in Makefile.am's, but 888 # that's what we'd need to do to use this, since what we'd want to write 889 # is something like 890 # 891 # VGCONF_PLATFORMS_INCLUDE_ARM_LINUX && VGCONF_PLATVARIANT_IS_ANDROID 892 # 893 # Hmm. Can't think of a nice clean solution to this. 894 895 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_VANILLA, 896 test x$VGCONF_PLATVARIANT = xvanilla) 897 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_ANDROID, 898 test x$VGCONF_PLATVARIANT = xandroid) 899 900 901 #---------------------------------------------------------------------------- 902 # Checking for various library functions and other definitions 903 #---------------------------------------------------------------------------- 904 905 # Check for CLOCK_MONOTONIC 906 907 AC_MSG_CHECKING([for CLOCK_MONOTONIC]) 908 909 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 910 #include <time.h> 911 ]], [[ 912 struct timespec t; 913 clock_gettime(CLOCK_MONOTONIC, &t); 914 return 0; 915 ]])], [ 916 AC_MSG_RESULT([yes]) 917 AC_DEFINE([HAVE_CLOCK_MONOTONIC], 1, 918 [Define to 1 if you have the `CLOCK_MONOTONIC' constant.]) 919 ], [ 920 AC_MSG_RESULT([no]) 921 ]) 922 923 924 # Check for PTHREAD_RWLOCK_T 925 926 AC_MSG_CHECKING([for pthread_rwlock_t]) 927 928 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 929 #define _GNU_SOURCE 930 #include <pthread.h> 931 ]], [[ 932 pthread_rwlock_t rwl; 933 ]])], [ 934 AC_MSG_RESULT([yes]) 935 AC_DEFINE([HAVE_PTHREAD_RWLOCK_T], 1, 936 [Define to 1 if you have the `pthread_rwlock_t' type.]) 937 ], [ 938 AC_MSG_RESULT([no]) 939 ]) 940 941 942 # Check for PTHREAD_MUTEX_ADAPTIVE_NP 943 944 AC_MSG_CHECKING([for PTHREAD_MUTEX_ADAPTIVE_NP]) 945 946 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 947 #define _GNU_SOURCE 948 #include <pthread.h> 949 ]], [[ 950 return (PTHREAD_MUTEX_ADAPTIVE_NP); 951 ]])], [ 952 AC_MSG_RESULT([yes]) 953 AC_DEFINE([HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], 1, 954 [Define to 1 if you have the `PTHREAD_MUTEX_ADAPTIVE_NP' constant.]) 955 ], [ 956 AC_MSG_RESULT([no]) 957 ]) 958 959 960 # Check for PTHREAD_MUTEX_ERRORCHECK_NP 961 962 AC_MSG_CHECKING([for PTHREAD_MUTEX_ERRORCHECK_NP]) 963 964 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 965 #define _GNU_SOURCE 966 #include <pthread.h> 967 ]], [[ 968 return (PTHREAD_MUTEX_ERRORCHECK_NP); 969 ]])], [ 970 AC_MSG_RESULT([yes]) 971 AC_DEFINE([HAVE_PTHREAD_MUTEX_ERRORCHECK_NP], 1, 972 [Define to 1 if you have the `PTHREAD_MUTEX_ERRORCHECK_NP' constant.]) 973 ], [ 974 AC_MSG_RESULT([no]) 975 ]) 976 977 978 # Check for PTHREAD_MUTEX_RECURSIVE_NP 979 980 AC_MSG_CHECKING([for PTHREAD_MUTEX_RECURSIVE_NP]) 981 982 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 983 #define _GNU_SOURCE 984 #include <pthread.h> 985 ]], [[ 986 return (PTHREAD_MUTEX_RECURSIVE_NP); 987 ]])], [ 988 AC_MSG_RESULT([yes]) 989 AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE_NP], 1, 990 [Define to 1 if you have the `PTHREAD_MUTEX_RECURSIVE_NP' constant.]) 991 ], [ 992 AC_MSG_RESULT([no]) 993 ]) 994 995 996 # Check for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP 997 998 AC_MSG_CHECKING([for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP]) 999 1000 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 1001 #define _GNU_SOURCE 1002 #include <pthread.h> 1003 ]], [[ 1004 pthread_mutex_t m = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP; 1005 return 0; 1006 ]])], [ 1007 AC_MSG_RESULT([yes]) 1008 AC_DEFINE([HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], 1, 1009 [Define to 1 if you have the `PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP' constant.]) 1010 ], [ 1011 AC_MSG_RESULT([no]) 1012 ]) 1013 1014 1015 # Check whether pthread_mutex_t has a member called __m_kind. 1016 1017 AC_CHECK_MEMBER([pthread_mutex_t.__m_kind], 1018 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__M_KIND], 1019 1, 1020 [Define to 1 if pthread_mutex_t has a member called __m_kind.]) 1021 ], 1022 [], 1023 [#include <pthread.h>]) 1024 1025 1026 # Check whether pthread_mutex_t has a member called __data.__kind. 1027 1028 AC_CHECK_MEMBER([pthread_mutex_t.__data.__kind], 1029 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__DATA__KIND], 1030 1, 1031 [Define to 1 if pthread_mutex_t has a member __data.__kind.]) 1032 ], 1033 [], 1034 [#include <pthread.h>]) 1035 1036 1037 # does this compiler support -maltivec and does it have the include file 1038 # <altivec.h> ? 1039 1040 AC_MSG_CHECKING([for Altivec]) 1041 1042 safe_CFLAGS=$CFLAGS 1043 CFLAGS="-maltivec" 1044 1045 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 1046 #include <altivec.h> 1047 ]], [[ 1048 vector unsigned int v; 1049 ]])], [ 1050 ac_have_altivec=yes 1051 AC_MSG_RESULT([yes]) 1052 AC_DEFINE([HAS_ALTIVEC], 1, 1053 [Define to 1 if gcc/as can do Altivec.]) 1054 ], [ 1055 ac_have_altivec=no 1056 AC_MSG_RESULT([no]) 1057 ]) 1058 CFLAGS=$safe_CFLAGS 1059 1060 AM_CONDITIONAL([HAS_ALTIVEC], [test x$ac_have_altivec = xyes]) 1061 1062 1063 # Check that both: the compiler supports -mvsx and that the assembler 1064 # understands VSX instructions. If either of those doesn't work, 1065 # conclude that we can't do VSX. NOTE: basically this is a kludge 1066 # in that it conflates two things that should be separate -- whether 1067 # the compiler understands the flag vs whether the assembler 1068 # understands the opcodes. This really ought to be cleaned up 1069 # and done properly, like it is for x86/x86_64. 1070 1071 AC_MSG_CHECKING([for VSX]) 1072 1073 safe_CFLAGS=$CFLAGS 1074 CFLAGS="-mvsx" 1075 1076 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 1077 #include <altivec.h> 1078 ]], [[ 1079 vector unsigned int v; 1080 __asm__ __volatile__("xsmaddadp 32, 32, 33" ::: "memory","cc"); 1081 ]])], [ 1082 ac_have_vsx=yes 1083 AC_MSG_RESULT([yes]) 1084 ], [ 1085 ac_have_vsx=no 1086 AC_MSG_RESULT([no]) 1087 ]) 1088 CFLAGS=$safe_CFLAGS 1089 1090 AM_CONDITIONAL(HAS_VSX, test x$ac_have_vsx = xyes) 1091 1092 1093 # Check for pthread_create (a] GLIBC2.0 1094 AC_MSG_CHECKING([for pthread_create (a] GLIBC2.0()]) 1095 1096 safe_CFLAGS=$CFLAGS 1097 CFLAGS="-lpthread" 1098 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 1099 extern int pthread_create_glibc_2_0(void*, const void*, 1100 void *(*)(void*), void*); 1101 __asm__(".symver pthread_create_glibc_2_0, pthread_create (a] GLIBC_2.0"); 1102 ]], [[ 1103 #ifdef __powerpc__ 1104 /* 1105 * Apparently on PowerPC linking this program succeeds and generates an 1106 * executable with the undefined symbol pthread_create (a] GLIBC_2.0. 1107 */ 1108 #error This test does not work properly on PowerPC. 1109 #else 1110 pthread_create_glibc_2_0(0, 0, 0, 0); 1111 #endif 1112 return 0; 1113 ]])], [ 1114 ac_have_pthread_create_glibc_2_0=yes 1115 AC_MSG_RESULT([yes]) 1116 AC_DEFINE([HAVE_PTHREAD_CREATE_GLIBC_2_0], 1, 1117 [Define to 1 if you have the `pthread_create (a] glibc2.0' function.]) 1118 ], [ 1119 ac_have_pthread_create_glibc_2_0=no 1120 AC_MSG_RESULT([no]) 1121 ]) 1122 CFLAGS=$safe_CFLAGS 1123 1124 AM_CONDITIONAL(HAVE_PTHREAD_CREATE_GLIBC_2_0, 1125 test x$ac_have_pthread_create_glibc_2_0 = xyes) 1126 1127 1128 # Check for eventfd_t, eventfd() and eventfd_read() 1129 AC_MSG_CHECKING([for eventfd()]) 1130 1131 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 1132 #include <sys/eventfd.h> 1133 ]], [[ 1134 eventfd_t ev; 1135 int fd; 1136 1137 fd = eventfd(5, 0); 1138 eventfd_read(fd, &ev); 1139 return 0; 1140 ]])], [ 1141 AC_MSG_RESULT([yes]) 1142 AC_DEFINE([HAVE_EVENTFD], 1, 1143 [Define to 1 if you have the `eventfd' function.]) 1144 AC_DEFINE([HAVE_EVENTFD_READ], 1, 1145 [Define to 1 if you have the `eventfd_read' function.]) 1146 ], [ 1147 AC_MSG_RESULT([no]) 1148 ]) 1149 1150 1151 #---------------------------------------------------------------------------- 1152 # Checking for supported compiler flags. 1153 #---------------------------------------------------------------------------- 1154 1155 # does this compiler support -m32 ? 1156 AC_MSG_CHECKING([if gcc accepts -m32]) 1157 1158 safe_CFLAGS=$CFLAGS 1159 CFLAGS="-m32" 1160 1161 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1162 return 0; 1163 ]])], [ 1164 FLAG_M32="-m32" 1165 AC_MSG_RESULT([yes]) 1166 ], [ 1167 FLAG_M32="" 1168 AC_MSG_RESULT([no]) 1169 ]) 1170 CFLAGS=$safe_CFLAGS 1171 1172 AC_SUBST(FLAG_M32) 1173 1174 1175 # does this compiler support -m64 ? 1176 AC_MSG_CHECKING([if gcc accepts -m64]) 1177 1178 safe_CFLAGS=$CFLAGS 1179 CFLAGS="-m64" 1180 1181 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1182 return 0; 1183 ]])], [ 1184 FLAG_M64="-m64" 1185 AC_MSG_RESULT([yes]) 1186 ], [ 1187 FLAG_M64="" 1188 AC_MSG_RESULT([no]) 1189 ]) 1190 CFLAGS=$safe_CFLAGS 1191 1192 AC_SUBST(FLAG_M64) 1193 1194 1195 # does this compiler support -mmmx ? 1196 AC_MSG_CHECKING([if gcc accepts -mmmx]) 1197 1198 safe_CFLAGS=$CFLAGS 1199 CFLAGS="-mmmx" 1200 1201 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1202 return 0; 1203 ]])], [ 1204 FLAG_MMMX="-mmmx" 1205 AC_MSG_RESULT([yes]) 1206 ], [ 1207 FLAG_MMMX="" 1208 AC_MSG_RESULT([no]) 1209 ]) 1210 CFLAGS=$safe_CFLAGS 1211 1212 AC_SUBST(FLAG_MMMX) 1213 1214 1215 # does this compiler support -msse ? 1216 AC_MSG_CHECKING([if gcc accepts -msse]) 1217 1218 safe_CFLAGS=$CFLAGS 1219 CFLAGS="-msse" 1220 1221 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1222 return 0; 1223 ]])], [ 1224 FLAG_MSSE="-msse" 1225 AC_MSG_RESULT([yes]) 1226 ], [ 1227 FLAG_MSSE="" 1228 AC_MSG_RESULT([no]) 1229 ]) 1230 CFLAGS=$safe_CFLAGS 1231 1232 AC_SUBST(FLAG_MSSE) 1233 1234 1235 # does this compiler support -mpreferred-stack-boundary=2 ? 1236 AC_MSG_CHECKING([if gcc accepts -mpreferred-stack-boundary]) 1237 1238 safe_CFLAGS=$CFLAGS 1239 CFLAGS="-mpreferred-stack-boundary=2" 1240 1241 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1242 return 0; 1243 ]])], [ 1244 PREFERRED_STACK_BOUNDARY="-mpreferred-stack-boundary=2" 1245 AC_MSG_RESULT([yes]) 1246 ], [ 1247 PREFERRED_STACK_BOUNDARY="" 1248 AC_MSG_RESULT([no]) 1249 ]) 1250 CFLAGS=$safe_CFLAGS 1251 1252 AC_SUBST(PREFERRED_STACK_BOUNDARY) 1253 1254 1255 # does this compiler support -Wno-pointer-sign ? 1256 AC_MSG_CHECKING([if gcc accepts -Wno-pointer-sign]) 1257 1258 safe_CFLAGS=$CFLAGS 1259 CFLAGS="-Wno-pointer-sign" 1260 1261 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1262 return 0; 1263 ]])], [ 1264 no_pointer_sign=yes 1265 AC_MSG_RESULT([yes]) 1266 ], [ 1267 no_pointer_sign=no 1268 AC_MSG_RESULT([no]) 1269 ]) 1270 CFLAGS=$safe_CFLAGS 1271 1272 if test x$no_pointer_sign = xyes; then 1273 CFLAGS="$CFLAGS -Wno-pointer-sign" 1274 fi 1275 1276 1277 # does this compiler support -Wno-empty-body ? 1278 1279 AC_MSG_CHECKING([if gcc accepts -Wno-empty-body]) 1280 1281 safe_CFLAGS=$CFLAGS 1282 CFLAGS="-Wno-empty-body" 1283 1284 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1285 return 0; 1286 ]])], [ 1287 AC_SUBST([FLAG_W_NO_EMPTY_BODY], [-Wno-empty-body]) 1288 AC_MSG_RESULT([yes]) 1289 ], [ 1290 AC_SUBST([FLAG_W_NO_EMPTY_BODY], []) 1291 AC_MSG_RESULT([no]) 1292 ]) 1293 CFLAGS=$safe_CFLAGS 1294 1295 1296 # does this compiler support -Wno-format-zero-length ? 1297 1298 AC_MSG_CHECKING([if gcc accepts -Wno-format-zero-length]) 1299 1300 safe_CFLAGS=$CFLAGS 1301 CFLAGS="-Wno-format-zero-length" 1302 1303 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1304 return 0; 1305 ]])], [ 1306 AC_SUBST([FLAG_W_NO_FORMAT_ZERO_LENGTH], [-Wno-format-zero-length]) 1307 AC_MSG_RESULT([yes]) 1308 ], [ 1309 AC_SUBST([FLAG_W_NO_FORMAT_ZERO_LENGTH], []) 1310 AC_MSG_RESULT([no]) 1311 ]) 1312 CFLAGS=$safe_CFLAGS 1313 1314 1315 # does this compiler support -Wno-nonnull ? 1316 1317 AC_MSG_CHECKING([if gcc accepts -Wno-nonnull]) 1318 1319 safe_CFLAGS=$CFLAGS 1320 CFLAGS="-Wno-nonnull" 1321 1322 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1323 return 0; 1324 ]])], [ 1325 AC_SUBST([FLAG_W_NO_NONNULL], [-Wno-nonnull]) 1326 AC_MSG_RESULT([yes]) 1327 ], [ 1328 AC_SUBST([FLAG_W_NO_NONNULL], []) 1329 AC_MSG_RESULT([no]) 1330 ]) 1331 CFLAGS=$safe_CFLAGS 1332 1333 1334 # does this compiler support -Wno-overflow ? 1335 1336 AC_MSG_CHECKING([if gcc accepts -Wno-overflow]) 1337 1338 safe_CFLAGS=$CFLAGS 1339 CFLAGS="-Wno-overflow" 1340 1341 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1342 return 0; 1343 ]])], [ 1344 AC_SUBST([FLAG_W_NO_OVERFLOW], [-Wno-overflow]) 1345 AC_MSG_RESULT([yes]) 1346 ], [ 1347 AC_SUBST([FLAG_W_NO_OVERFLOW], []) 1348 AC_MSG_RESULT([no]) 1349 ]) 1350 CFLAGS=$safe_CFLAGS 1351 1352 1353 # does this compiler support -Wno-uninitialized ? 1354 1355 AC_MSG_CHECKING([if gcc accepts -Wno-uninitialized]) 1356 1357 safe_CFLAGS=$CFLAGS 1358 CFLAGS="-Wno-uninitialized" 1359 1360 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1361 return 0; 1362 ]])], [ 1363 AC_SUBST([FLAG_W_NO_UNINITIALIZED], [-Wno-uninitialized]) 1364 AC_MSG_RESULT([yes]) 1365 ], [ 1366 AC_SUBST([FLAG_W_NO_UNINITIALIZED], []) 1367 AC_MSG_RESULT([no]) 1368 ]) 1369 CFLAGS=$safe_CFLAGS 1370 1371 1372 # does this compiler support -Wextra or the older -W ? 1373 1374 AC_MSG_CHECKING([if gcc accepts -Wextra or -W]) 1375 1376 safe_CFLAGS=$CFLAGS 1377 CFLAGS="-Wextra" 1378 1379 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1380 return 0; 1381 ]])], [ 1382 AC_SUBST([FLAG_W_EXTRA], [-Wextra]) 1383 AC_MSG_RESULT([-Wextra]) 1384 ], [ 1385 CFLAGS="-W" 1386 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[ ]], [[ 1387 return 0; 1388 ]]), [ 1389 AC_SUBST([FLAG_W_EXTRA], [-W]) 1390 AC_MSG_RESULT([-W]) 1391 ], [ 1392 AC_SUBST([FLAG_W_EXTRA], []) 1393 AC_MSG_RESULT([not supported]) 1394 ]) 1395 ]) 1396 CFLAGS=$safe_CFLAGS 1397 1398 1399 # does this compiler support -fno-stack-protector ? 1400 AC_MSG_CHECKING([if gcc accepts -fno-stack-protector]) 1401 1402 safe_CFLAGS=$CFLAGS 1403 CFLAGS="-fno-stack-protector" 1404 1405 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1406 return 0; 1407 ]])], [ 1408 no_stack_protector=yes 1409 FLAG_FNO_STACK_PROTECTOR="-fno-stack-protector" 1410 AC_MSG_RESULT([yes]) 1411 ], [ 1412 no_stack_protector=no 1413 FLAG_FNO_STACK_PROTECTOR="" 1414 AC_MSG_RESULT([no]) 1415 ]) 1416 CFLAGS=$safe_CFLAGS 1417 1418 AC_SUBST(FLAG_FNO_STACK_PROTECTOR) 1419 1420 if test x$no_stack_protector = xyes; then 1421 CFLAGS="$CFLAGS -fno-stack-protector" 1422 fi 1423 1424 1425 # does this compiler support --param inline-unit-growth=... ? 1426 1427 AC_MSG_CHECKING([if gcc accepts --param inline-unit-growth]) 1428 1429 safe_CFLAGS=$CFLAGS 1430 CFLAGS="--param inline-unit-growth=900" 1431 1432 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1433 return 0; 1434 ]])], [ 1435 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH], 1436 ["--param inline-unit-growth=900"]) 1437 AC_MSG_RESULT([yes]) 1438 ], [ 1439 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH], [""]) 1440 AC_MSG_RESULT([no]) 1441 ]) 1442 CFLAGS=$safe_CFLAGS 1443 1444 1445 # does the linker support -Wl,--build-id=none ? Note, it's 1446 # important that we test indirectly via whichever C compiler 1447 # is selected, rather than testing /usr/bin/ld or whatever 1448 # directly. 1449 1450 AC_MSG_CHECKING([if the linker accepts -Wl,--build-id=none]) 1451 1452 safe_CFLAGS=$CFLAGS 1453 CFLAGS="-Wl,--build-id=none" 1454 1455 AC_LINK_IFELSE( 1456 [AC_LANG_PROGRAM([ ], [return 0;])], 1457 [ 1458 AC_SUBST([FLAG_NO_BUILD_ID], ["-Wl,--build-id=none"]) 1459 AC_MSG_RESULT([yes]) 1460 ], [ 1461 AC_SUBST([FLAG_NO_BUILD_ID], [""]) 1462 AC_MSG_RESULT([no]) 1463 ]) 1464 CFLAGS=$safe_CFLAGS 1465 1466 1467 # does the ppc assembler support "mtocrf" et al? 1468 AC_MSG_CHECKING([if ppc32/64 as supports mtocrf/mfocrf]) 1469 1470 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1471 __asm__ __volatile__("mtocrf 4,0"); 1472 __asm__ __volatile__("mfocrf 0,4"); 1473 ]])], [ 1474 ac_have_as_ppc_mftocrf=yes 1475 AC_MSG_RESULT([yes]) 1476 ], [ 1477 ac_have_as_ppc_mftocrf=no 1478 AC_MSG_RESULT([no]) 1479 ]) 1480 if test x$ac_have_as_ppc_mftocrf = xyes ; then 1481 AC_DEFINE(HAVE_AS_PPC_MFTOCRF, 1, [Define to 1 if as supports mtocrf/mfocrf.]) 1482 fi 1483 1484 1485 CFLAGS=$safe_CFLAGS 1486 1487 # does the x86/amd64 assembler understand SSE3 instructions? 1488 # Note, this doesn't generate a C-level symbol. It generates a 1489 # automake-level symbol (BUILD_SSE3_TESTS), used in test Makefile.am's 1490 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE3]) 1491 1492 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1493 do { long long int x; 1494 __asm__ __volatile__("fisttpq (%0)" : :"r"(&x) ); } 1495 while (0) 1496 ]])], [ 1497 ac_have_as_sse3=yes 1498 AC_MSG_RESULT([yes]) 1499 ], [ 1500 ac_have_as_sse3=no 1501 AC_MSG_RESULT([no]) 1502 ]) 1503 1504 AM_CONDITIONAL(BUILD_SSE3_TESTS, test x$ac_have_as_sse3 = xyes) 1505 1506 1507 # Ditto for SSSE3 instructions (note extra S) 1508 # Note, this doesn't generate a C-level symbol. It generates a 1509 # automake-level symbol (BUILD_SSSE3_TESTS), used in test Makefile.am's 1510 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSSE3]) 1511 1512 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1513 do { long long int x; 1514 __asm__ __volatile__( 1515 "pabsb (%0),%%xmm7" : : "r"(&x) : "xmm7" ); } 1516 while (0) 1517 ]])], [ 1518 ac_have_as_ssse3=yes 1519 AC_MSG_RESULT([yes]) 1520 ], [ 1521 ac_have_as_ssse3=no 1522 AC_MSG_RESULT([no]) 1523 ]) 1524 1525 AM_CONDITIONAL(BUILD_SSSE3_TESTS, test x$ac_have_as_ssse3 = xyes) 1526 1527 1528 # does the x86/amd64 assembler understand the PCLMULQDQ instruction? 1529 # Note, this doesn't generate a C-level symbol. It generates a 1530 # automake-level symbol (BUILD_PCLMULQDQ_TESTS), used in test Makefile.am's 1531 AC_MSG_CHECKING([if x86/amd64 assembler supports 'pclmulqdq']) 1532 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1533 do { 1534 __asm__ __volatile__( 1535 "pclmulqdq \$17,%%xmm6,%%xmm7" : : : "xmm6", "xmm7" ); } 1536 while (0) 1537 ]])], [ 1538 ac_have_as_pclmulqdq=yes 1539 AC_MSG_RESULT([yes]) 1540 ], [ 1541 ac_have_as_pclmulqdq=no 1542 AC_MSG_RESULT([no]) 1543 ]) 1544 1545 AM_CONDITIONAL(BUILD_PCLMULQDQ_TESTS, test x$ac_have_as_pclmulqdq = xyes) 1546 1547 1548 # does the x86/amd64 assembler understand the LZCNT instruction? 1549 # Note, this doesn't generate a C-level symbol. It generates a 1550 # automake-level symbol (BUILD_LZCNT_TESTS), used in test Makefile.am's 1551 AC_MSG_CHECKING([if x86/amd64 assembler supports 'lzcnt']) 1552 1553 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1554 do { 1555 __asm__ __volatile__("lzcnt %rax,%rax"); 1556 } while (0) 1557 ]])], [ 1558 ac_have_as_lzcnt=yes 1559 AC_MSG_RESULT([yes]) 1560 ], [ 1561 ac_have_as_lzcnt=no 1562 AC_MSG_RESULT([no]) 1563 ]) 1564 1565 AM_CONDITIONAL([BUILD_LZCNT_TESTS], [test x$ac_have_as_lzcnt = xyes]) 1566 1567 1568 # does the x86/amd64 assembler understand SSE 4.2 instructions? 1569 # Note, this doesn't generate a C-level symbol. It generates a 1570 # automake-level symbol (BUILD_SSE42_TESTS), used in test Makefile.am's 1571 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE4.2]) 1572 1573 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1574 do { long long int x; 1575 __asm__ __volatile__( 1576 "crc32q %%r15,%%r15" : : : "r15" ); } 1577 while (0) 1578 ]])], [ 1579 ac_have_as_sse42=yes 1580 AC_MSG_RESULT([yes]) 1581 ], [ 1582 ac_have_as_sse42=no 1583 AC_MSG_RESULT([no]) 1584 ]) 1585 1586 AM_CONDITIONAL(BUILD_SSE42_TESTS, test x$ac_have_as_sse42 = xyes) 1587 1588 1589 # XXX JRS 2010 Oct 13: what is this for? For sure, we don't need this 1590 # when building the tool executables. I think we should get rid of it. 1591 # 1592 # Check for TLS support in the compiler and linker 1593 AC_LINK_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]], 1594 [[return foo;]])], 1595 [vg_cv_linktime_tls=yes], 1596 [vg_cv_linktime_tls=no]) 1597 # Native compilation: check whether running a program using TLS succeeds. 1598 # Linking only is not sufficient -- e.g. on Red Hat 7.3 linking TLS programs 1599 # succeeds but running programs using TLS fails. 1600 # Cross-compiling: check whether linking a program using TLS succeeds. 1601 AC_CACHE_CHECK([for TLS support], vg_cv_tls, 1602 [AC_ARG_ENABLE(tls, [ --enable-tls platform supports TLS], 1603 [vg_cv_tls=$enableval], 1604 [AC_RUN_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]], 1605 [[return foo;]])], 1606 [vg_cv_tls=yes], 1607 [vg_cv_tls=no], 1608 [vg_cv_tls=$vg_cv_linktime_tls])])]) 1609 1610 if test "$vg_cv_tls" = yes; then 1611 AC_DEFINE([HAVE_TLS], 1, [can use __thread to define thread-local variables]) 1612 fi 1613 1614 1615 #---------------------------------------------------------------------------- 1616 # Checks for C header files. 1617 #---------------------------------------------------------------------------- 1618 1619 AC_HEADER_STDC 1620 AC_CHECK_HEADERS([ \ 1621 asm/unistd.h \ 1622 endian.h \ 1623 mqueue.h \ 1624 sys/endian.h \ 1625 sys/epoll.h \ 1626 sys/eventfd.h \ 1627 sys/klog.h \ 1628 sys/poll.h \ 1629 sys/signal.h \ 1630 sys/signalfd.h \ 1631 sys/syscall.h \ 1632 sys/time.h \ 1633 sys/types.h \ 1634 ]) 1635 1636 # Verify whether the <linux/futex.h> header is usable. 1637 AC_MSG_CHECKING([if <linux/futex.h> is usable]) 1638 1639 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 1640 #include <linux/futex.h> 1641 ]], [[ 1642 return FUTEX_WAIT; 1643 ]])], [ 1644 AC_DEFINE([HAVE_USABLE_LINUX_FUTEX_H], 1, 1645 [Define to 1 if you have a usable <linux/futex.h> header file.]) 1646 AC_MSG_RESULT([yes]) 1647 ], [ 1648 AC_MSG_RESULT([no]) 1649 ]) 1650 1651 #---------------------------------------------------------------------------- 1652 # Checks for typedefs, structures, and compiler characteristics. 1653 #---------------------------------------------------------------------------- 1654 AC_TYPE_UID_T 1655 AC_TYPE_OFF_T 1656 AC_TYPE_SIZE_T 1657 AC_HEADER_TIME 1658 1659 1660 #---------------------------------------------------------------------------- 1661 # Checks for library functions. 1662 #---------------------------------------------------------------------------- 1663 AC_FUNC_MEMCMP 1664 AC_FUNC_MMAP 1665 1666 AC_CHECK_LIB([pthread], [pthread_create]) 1667 AC_CHECK_LIB([rt], [clock_gettime]) 1668 1669 AC_CHECK_FUNCS([ \ 1670 clock_gettime\ 1671 epoll_create \ 1672 epoll_pwait \ 1673 klogctl \ 1674 mallinfo \ 1675 memchr \ 1676 memset \ 1677 mkdir \ 1678 mremap \ 1679 ppoll \ 1680 pthread_barrier_init \ 1681 pthread_condattr_setclock \ 1682 pthread_mutex_timedlock \ 1683 pthread_rwlock_timedrdlock \ 1684 pthread_rwlock_timedwrlock \ 1685 pthread_spin_lock \ 1686 pthread_yield \ 1687 readlinkat \ 1688 semtimedop \ 1689 signalfd \ 1690 sigwaitinfo \ 1691 strchr \ 1692 strdup \ 1693 strpbrk \ 1694 strrchr \ 1695 strstr \ 1696 syscall \ 1697 utimensat \ 1698 ]) 1699 1700 # AC_CHECK_LIB adds any library found to the variable LIBS, and links these 1701 # libraries with any shared object and/or executable. This is NOT what we 1702 # want for e.g. vgpreload_core-x86-linux.so 1703 LIBS="" 1704 1705 AM_CONDITIONAL([HAVE_PTHREAD_BARRIER], 1706 [test x$ac_cv_func_pthread_barrier_init = xyes]) 1707 AM_CONDITIONAL([HAVE_PTHREAD_MUTEX_TIMEDLOCK], 1708 [test x$ac_cv_func_pthread_mutex_timedlock = xyes]) 1709 AM_CONDITIONAL([HAVE_PTHREAD_SPINLOCK], 1710 [test x$ac_cv_func_pthread_spin_lock = xyes]) 1711 1712 1713 #---------------------------------------------------------------------------- 1714 # MPI checks 1715 #---------------------------------------------------------------------------- 1716 # Do we have a useable MPI setup on the primary and/or secondary targets? 1717 # On Linux, by default, assumes mpicc and -m32/-m64 1718 # Note: this is a kludge in that it assumes the specified mpicc 1719 # understands -m32/-m64 regardless of what is specified using 1720 # --with-mpicc=. 1721 MPI_CC="mpicc" 1722 1723 mflag_primary= 1724 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \ 1725 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \ 1726 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX ; then 1727 mflag_primary=$FLAG_M32 1728 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \ 1729 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX \ 1730 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX ; then 1731 mflag_primary=$FLAG_M64 1732 fi 1733 1734 mflag_secondary= 1735 if test x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \ 1736 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX ; then 1737 mflag_secondary=$FLAG_M32 1738 fi 1739 1740 1741 AC_ARG_WITH(mpicc, 1742 [ --with-mpicc= Specify name of MPI2-ised C compiler], 1743 MPI_CC=$withval 1744 ) 1745 AC_SUBST(MPI_CC) 1746 1747 ## See if MPI_CC works for the primary target 1748 ## 1749 AC_MSG_CHECKING([primary target for usable MPI2-compliant C compiler and mpi.h]) 1750 saved_CC=$CC 1751 saved_CFLAGS=$CFLAGS 1752 CC=$MPI_CC 1753 CFLAGS=$mflag_primary 1754 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 1755 #include <mpi.h> 1756 #include <stdio.h> 1757 ]], [[ 1758 int r = MPI_Init(NULL,NULL); 1759 r |= MPI_Type_get_contents( MPI_INT, 0,0,0, NULL,NULL,NULL ); 1760 return r; 1761 ]])], [ 1762 ac_have_mpi2_pri=yes 1763 AC_MSG_RESULT([yes, $MPI_CC]) 1764 ], [ 1765 ac_have_mpi2_pri=no 1766 AC_MSG_RESULT([no]) 1767 ]) 1768 CC=$saved_CC 1769 CFLAGS=$saved_CFLAGS 1770 AM_CONDITIONAL(BUILD_MPIWRAP_PRI, test x$ac_have_mpi2_pri = xyes) 1771 1772 ## See if MPI_CC works for the secondary target. Complication: what if 1773 ## there is no secondary target? We need this to then fail. 1774 ## Kludge this by making MPI_CC something which will surely fail in 1775 ## such a case. 1776 ## 1777 AC_MSG_CHECKING([secondary target for usable MPI2-compliant C compiler and mpi.h]) 1778 saved_CC=$CC 1779 saved_CFLAGS=$CFLAGS 1780 if test x$VGCONF_PLATFORM_SEC_CAPS = x ; then 1781 CC="$MPI_CC this will surely fail" 1782 else 1783 CC=$MPI_CC 1784 fi 1785 CFLAGS=$mflag_secondary 1786 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 1787 #include <mpi.h> 1788 #include <stdio.h> 1789 ]], [[ 1790 int r = MPI_Init(NULL,NULL); 1791 r |= MPI_Type_get_contents( MPI_INT, 0,0,0, NULL,NULL,NULL ); 1792 return r; 1793 ]])], [ 1794 ac_have_mpi2_sec=yes 1795 AC_MSG_RESULT([yes, $MPI_CC]) 1796 ], [ 1797 ac_have_mpi2_sec=no 1798 AC_MSG_RESULT([no]) 1799 ]) 1800 CC=$saved_CC 1801 CFLAGS=$saved_CFLAGS 1802 AM_CONDITIONAL(BUILD_MPIWRAP_SEC, test x$ac_have_mpi2_sec = xyes) 1803 1804 1805 #---------------------------------------------------------------------------- 1806 # Other library checks 1807 #---------------------------------------------------------------------------- 1808 # There now follow some tests for Boost, and OpenMP. These 1809 # tests are present because Drd has some regression tests that use 1810 # these packages. All regression test programs all compiled only 1811 # for the primary target. And so it is important that the configure 1812 # checks that follow, use the correct -m32 or -m64 flag for the 1813 # primary target (called $mflag_primary). Otherwise, we can end up 1814 # in a situation (eg) where, on amd64-linux, the test for Boost checks 1815 # for usable 64-bit Boost facilities, but because we are doing a 32-bit 1816 # only build (meaning, the primary target is x86-linux), the build 1817 # of the regtest programs that use Boost fails, because they are 1818 # build as 32-bit (IN THIS EXAMPLE). 1819 # 1820 # Hence: ALWAYS USE $mflag_primary FOR CONFIGURE TESTS FOR FACILITIES 1821 # NEEDED BY THE REGRESSION TEST PROGRAMS. 1822 1823 1824 # Check whether the boost library 1.35 or later has been installed. 1825 # The Boost.Threads library has undergone a major rewrite in version 1.35.0. 1826 1827 AC_MSG_CHECKING([for boost]) 1828 1829 AC_LANG(C++) 1830 safe_CXXFLAGS=$CXXFLAGS 1831 CXXFLAGS="-lboost_thread-mt $mflag_primary" 1832 1833 AC_LINK_IFELSE([AC_LANG_SOURCE([ 1834 #include <boost/thread.hpp> 1835 static void thread_func(void) 1836 { } 1837 int main(int argc, char** argv) 1838 { 1839 boost::thread t(thread_func); 1840 return 0; 1841 } 1842 ])], 1843 [ 1844 ac_have_boost_1_35=yes 1845 AC_SUBST([BOOST_CFLAGS], []) 1846 AC_SUBST([BOOST_LIBS], ["${CXXFLAGS}"]) 1847 AC_MSG_RESULT([yes]) 1848 ], [ 1849 ac_have_boost_1_35=no 1850 AC_MSG_RESULT([no]) 1851 ]) 1852 1853 CXXFLAGS=$safe_CXXFLAGS 1854 AC_LANG(C) 1855 1856 AM_CONDITIONAL([HAVE_BOOST_1_35], [test x$ac_have_boost_1_35 = xyes]) 1857 1858 1859 # does this compiler support -fopenmp, does it have the include file 1860 # <omp.h> and does it have libgomp ? 1861 1862 AC_MSG_CHECKING([for OpenMP]) 1863 1864 safe_CFLAGS=$CFLAGS 1865 CFLAGS="-fopenmp $mflag_primary" 1866 1867 AC_LINK_IFELSE([AC_LANG_SOURCE([ 1868 #include <omp.h> 1869 int main(int argc, char** argv) 1870 { 1871 omp_set_dynamic(0); 1872 return 0; 1873 } 1874 ])], 1875 [ 1876 ac_have_openmp=yes 1877 AC_MSG_RESULT([yes]) 1878 ], [ 1879 ac_have_openmp=no 1880 AC_MSG_RESULT([no]) 1881 ]) 1882 CFLAGS=$safe_CFLAGS 1883 1884 AM_CONDITIONAL([HAVE_OPENMP], [test x$ac_have_openmp = xyes]) 1885 1886 1887 # does this compiler have built-in functions for atomic memory access ? 1888 AC_MSG_CHECKING([if gcc supports __sync_bool_compare_and_swap]) 1889 1890 safe_CFLAGS=$CFLAGS 1891 CFLAGS="$mflag_primary" 1892 1893 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ 1894 int variable = 1; 1895 return (__sync_bool_compare_and_swap(&variable, 1, 2) 1896 && __sync_add_and_fetch(&variable, 1) ? 1 : 0) 1897 ]])], [ 1898 ac_have_builtin_atomic=yes 1899 AC_MSG_RESULT([yes]) 1900 AC_DEFINE(HAVE_BUILTIN_ATOMIC, 1, [Define to 1 if gcc supports __sync_bool_compare_and_swap() and __sync_add_and_fetch()]) 1901 ], [ 1902 ac_have_builtin_atomic=no 1903 AC_MSG_RESULT([no]) 1904 ]) 1905 1906 CFLAGS=$safe_CFLAGS 1907 1908 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC], [test x$ac_have_builtin_atomic = xyes]) 1909 1910 # does g++ have built-in functions for atomic memory access ? 1911 AC_MSG_CHECKING([if g++ supports __sync_bool_compare_and_swap]) 1912 1913 safe_CXXFLAGS=$CXXFLAGS 1914 CXXFLAGS="$mflag_primary" 1915 1916 AC_LANG_PUSH(C++) 1917 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ 1918 int variable = 1; 1919 return (__sync_bool_compare_and_swap(&variable, 1, 2) 1920 && __sync_add_and_fetch(&variable, 1) ? 1 : 0) 1921 ]])], [ 1922 ac_have_builtin_atomic_cxx=yes 1923 AC_MSG_RESULT([yes]) 1924 AC_DEFINE(HAVE_BUILTIN_ATOMIC_CXX, 1, [Define to 1 if g++ supports __sync_bool_compare_and_swap() and __sync_add_and_fetch()]) 1925 ], [ 1926 ac_have_builtin_atomic_cxx=no 1927 AC_MSG_RESULT([no]) 1928 ]) 1929 AC_LANG_POP(C++) 1930 1931 CXXFLAGS=$safe_CXXFLAGS 1932 1933 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_CXX], [test x$ac_have_builtin_atomic_cxx = xyes]) 1934 1935 #---------------------------------------------------------------------------- 1936 # Ok. We're done checking. 1937 #---------------------------------------------------------------------------- 1938 1939 # Nb: VEX/Makefile is generated from Makefile.vex.in. 1940 AC_CONFIG_FILES([ 1941 Makefile 1942 VEX/Makefile:Makefile.vex.in 1943 valgrind.spec 1944 valgrind.pc 1945 glibc-2.X.supp 1946 glibc-X.X.supp 1947 docs/Makefile 1948 tests/Makefile 1949 tests/vg_regtest 1950 perf/Makefile 1951 perf/vg_perf 1952 gdbserver_tests/Makefile 1953 include/Makefile 1954 auxprogs/Makefile 1955 mpi/Makefile 1956 coregrind/Makefile 1957 memcheck/Makefile 1958 memcheck/tests/Makefile 1959 memcheck/tests/amd64/Makefile 1960 memcheck/tests/x86/Makefile 1961 memcheck/tests/linux/Makefile 1962 memcheck/tests/darwin/Makefile 1963 memcheck/tests/amd64-linux/Makefile 1964 memcheck/tests/x86-linux/Makefile 1965 memcheck/tests/ppc32/Makefile 1966 memcheck/tests/ppc64/Makefile 1967 memcheck/perf/Makefile 1968 cachegrind/Makefile 1969 cachegrind/tests/Makefile 1970 cachegrind/tests/x86/Makefile 1971 cachegrind/cg_annotate 1972 cachegrind/cg_diff 1973 callgrind/Makefile 1974 callgrind/callgrind_annotate 1975 callgrind/callgrind_control 1976 callgrind/tests/Makefile 1977 helgrind/Makefile 1978 helgrind/tests/Makefile 1979 massif/Makefile 1980 massif/tests/Makefile 1981 massif/perf/Makefile 1982 massif/ms_print 1983 lackey/Makefile 1984 lackey/tests/Makefile 1985 none/Makefile 1986 none/tests/Makefile 1987 none/tests/amd64/Makefile 1988 none/tests/ppc32/Makefile 1989 none/tests/ppc64/Makefile 1990 none/tests/x86/Makefile 1991 none/tests/arm/Makefile 1992 none/tests/s390x/Makefile 1993 none/tests/linux/Makefile 1994 none/tests/darwin/Makefile 1995 none/tests/x86-linux/Makefile 1996 exp-sgcheck/Makefile 1997 exp-sgcheck/tests/Makefile 1998 drd/Makefile 1999 drd/scripts/download-and-build-splash2 2000 drd/tests/Makefile 2001 exp-bbv/Makefile 2002 exp-bbv/tests/Makefile 2003 exp-bbv/tests/x86/Makefile 2004 exp-bbv/tests/x86-linux/Makefile 2005 exp-bbv/tests/amd64-linux/Makefile 2006 exp-bbv/tests/ppc32-linux/Makefile 2007 exp-bbv/tests/arm-linux/Makefile 2008 exp-dhat/Makefile 2009 exp-dhat/tests/Makefile 2010 ]) 2011 AC_CONFIG_FILES([coregrind/link_tool_exe_linux], 2012 [chmod +x coregrind/link_tool_exe_linux]) 2013 AC_CONFIG_FILES([coregrind/link_tool_exe_darwin], 2014 [chmod +x coregrind/link_tool_exe_darwin]) 2015 AC_OUTPUT 2016 2017 cat<<EOF 2018 2019 Maximum build arch: ${ARCH_MAX} 2020 Primary build arch: ${VGCONF_ARCH_PRI} 2021 Secondary build arch: ${VGCONF_ARCH_SEC} 2022 Build OS: ${VGCONF_OS} 2023 Primary build target: ${VGCONF_PLATFORM_PRI_CAPS} 2024 Secondary build target: ${VGCONF_PLATFORM_SEC_CAPS} 2025 Platform variant: ${VGCONF_PLATVARIANT} 2026 Primary -DVGPV string: -DVGPV_${VGCONF_ARCH_PRI}_${VGCONF_OS}_${VGCONF_PLATVARIANT}=1 2027 Default supp files: ${DEFAULT_SUPP} 2028 2029 EOF 2030
