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. 11AC_INIT([Valgrind],[3.8.0.SVN],[valgrind-users@lists.sourceforge.net]) 12AC_CONFIG_SRCDIR(coregrind/m_main.c) 13AC_CONFIG_HEADERS([config.h]) 14AM_INIT_AUTOMAKE([foreign]) 15 16AM_MAINTAINER_MODE 17 18#---------------------------------------------------------------------------- 19# Checks for various programs. 20#---------------------------------------------------------------------------- 21CFLAGS="-Wno-long-long $CFLAGS" 22 23AC_PROG_LN_S 24AC_PROG_CC 25AM_PROG_CC_C_O 26AC_PROG_CPP 27AC_PROG_CXX 28# AC_PROG_OBJC apparently causes problems on older Linux distros (eg. with 29# autoconf 2.59). If we ever have any Objective-C code in the Valgrind code 30# base (eg. most likely as Darwin-specific tests) we'll need one of the 31# following: 32# - put AC_PROG_OBJC in a Darwin-specific part of this file 33# - Use AC_PROG_OBJC here and up the minimum autoconf version 34# - Use the following, which is apparently equivalent: 35# m4_ifdef([AC_PROG_OBJC], 36# [AC_PROG_OBJC], 37# [AC_CHECK_TOOL([OBJC], [gcc]) 38# AC_SUBST([OBJC]) 39# AC_SUBST([OBJCFLAGS]) 40# ]) 41AC_PROG_RANLIB 42# provide a very basic definition for AC_PROG_SED if it's not provided by 43# autoconf (as e.g. in autoconf 2.59). 44m4_ifndef([AC_PROG_SED], 45 [AC_DEFUN([AC_PROG_SED], 46 [AC_ARG_VAR([SED]) 47 AC_CHECK_PROGS([SED],[gsed sed])])]) 48AC_PROG_SED 49 50# If no AR variable was specified, look up the name of the archiver. Otherwise 51# do not touch the AR variable. 52if test "x$AR" = "x"; then 53 AC_PATH_PROGS([AR], [`echo $LD | $SED 's/ld$/ar/'` "ar"], [ar]) 54fi 55AC_ARG_VAR([AR],[Archiver command]) 56 57# Check for the compiler support 58if test "${GCC}" != "yes" ; then 59 AC_MSG_ERROR([Valgrind relies on GCC to be compiled]) 60fi 61 62# figure out where perl lives 63AC_PATH_PROG(PERL, perl) 64 65# figure out where gdb lives 66AC_PATH_PROG(GDB, gdb, "/no/gdb/was/found/at/configure/time") 67AC_DEFINE_UNQUOTED(GDB_PATH, "$GDB", [path to GDB]) 68 69# some older automake's don't have it so try something on our own 70ifdef([AM_PROG_AS],[AM_PROG_AS], 71[ 72AS="${CC}" 73AC_SUBST(AS) 74 75ASFLAGS="" 76AC_SUBST(ASFLAGS) 77]) 78 79 80# Check if 'diff' supports -u (universal diffs) and use it if possible. 81 82AC_MSG_CHECKING([for diff -u]) 83AC_SUBST(DIFF) 84 85# Comparing two identical files results in 0. 86tmpfile="tmp-xxx-yyy-zzz" 87touch $tmpfile; 88if diff -u $tmpfile $tmpfile ; then 89 AC_MSG_RESULT([yes]) 90 DIFF="diff -u" 91else 92 AC_MSG_RESULT([no]) 93 DIFF="diff" 94fi 95rm $tmpfile 96 97 98# We don't want gcc < 3.0 99AC_MSG_CHECKING([for a supported version of gcc]) 100 101# Try to get the gcc version, sed-ing out some unexpected stuff 102# that appears with the default gcc on OSX 10.6 and 10.7 respectively. 103# Without this, the version number comes out as 686, 10 or 11 :-( 104# 105# i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3) 106# i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00) 107# 108[gcc_version=`${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]*\([0-9.]*\).*$/\1/'`] 114 115is_clang="notclang" 116if test "x`${CC} --version | head -n 1 | $SED 's/\(clang\) version.*/\1/'`" = "xclang" ; then 117 is_clang="clang" 118fi 119 120case "${is_clang}-${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 ;; 134esac 135 136AC_PROG_EGREP 137AC_DEFINE_UNQUOTED(EGREP_PATH, "$EGREP", [path to egrep]) 138 139AC_PATH_PROG(STRINGS, strings) 140AC_DEFINE_UNQUOTED(STRINGS_PATH, "$STRINGS", [path to strings]) 141 142AC_PATH_PROG(SH, sh) 143AC_DEFINE_UNQUOTED(SH_PATH, "$SH", [path to sh]) 144 145#---------------------------------------------------------------------------- 146# Arch/OS/platform tests. 147#---------------------------------------------------------------------------- 148# We create a number of arch/OS/platform-related variables. We prefix them 149# all with "VGCONF_" which indicates that they are defined at 150# configure-time, and distinguishes them from the VGA_*/VGO_*/VGP_* 151# variables used when compiling C files. 152 153AC_CANONICAL_HOST 154 155AC_MSG_CHECKING([for a supported CPU]) 156 157# ARCH_MAX reflects the most that this CPU can do: for example if it 158# is a 64-bit capable PowerPC, then it must be set to ppc64 and not ppc32. 159# Ditto for amd64. It is used for more configuration below, but is not used 160# outside this file. 161case "${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 (${host_cpu})]) 195 AC_MSG_ERROR([Unsupported host architecture. Sorry]) 196 ;; 197esac 198 199#---------------------------------------------------------------------------- 200 201# Sometimes it's convenient to subvert the bi-arch build system and 202# just have a single build even though the underlying platform is 203# capable of both. Hence handle --enable-only64bit and 204# --enable-only32bit. Complain if both are issued :-) 205# [Actually, if either of these options are used, I think both get built, 206# but only one gets installed. So if you use an in-place build, both can be 207# used. --njn] 208 209# Check if a 64-bit only build has been requested 210AC_CACHE_CHECK([for a 64-bit only build], vg_cv_only64bit, 211 [AC_ARG_ENABLE(only64bit, 212 [ --enable-only64bit do a 64-bit only build], 213 [vg_cv_only64bit=$enableval], 214 [vg_cv_only64bit=no])]) 215 216# Check if a 32-bit only build has been requested 217AC_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=$enableval], 221 [vg_cv_only32bit=no])]) 222 223# Stay sane 224if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then 225 AC_MSG_ERROR( 226 [Nonsensical: both --enable-only64bit and --enable-only32bit.]) 227fi 228 229#---------------------------------------------------------------------------- 230 231# VGCONF_OS is the primary build OS, eg. "linux". It is passed in to 232# compilation of many C files via -VGO_$(VGCONF_OS) and 233# -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS). 234AC_MSG_CHECKING([for a supported OS]) 235AC_SUBST(VGCONF_OS) 236 237DEFAULT_SUPP="" 238 239case "${host_os}" in 240 *linux*) 241 AC_MSG_RESULT([ok (${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 (${host_os})]) 323 AC_MSG_ERROR([Valgrind is operating system specific. Sorry.]) 324 ;; 325esac 326 327#---------------------------------------------------------------------------- 328 329# If we are building on a 64 bit platform test to see if the system 330# supports building 32 bit programs and disable 32 bit support if it 331# does not support building 32 bit programs 332 333case "$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=$safe_CFLAGS;; 347esac 348 349if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then 350 AC_MSG_ERROR( 351 [--enable-only32bit was specified but system does not support 32 bit builds]) 352fi 353 354#---------------------------------------------------------------------------- 355 356# VGCONF_ARCH_PRI is the arch for the primary build target, eg. "amd64". By 357# default it's the same as ARCH_MAX. But if, say, we do a build on an amd64 358# machine, but --enable-only32bit has been requested, then ARCH_MAX (see 359# above) will be "amd64" since that reflects the most that this cpu can do, 360# but VGCONF_ARCH_PRI will be downgraded to "x86", since that reflects the 361# arch corresponding to the primary build (VGCONF_PLATFORM_PRI_CAPS). It is 362# passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_PRI) and 363# -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS). 364AC_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)_$(VGCONF_OS), if there is a secondary target. 369# It is empty if there is no secondary target. 370AC_SUBST(VGCONF_ARCH_SEC) 371 372# VGCONF_PLATFORM_PRI_CAPS is the primary build target, eg. "AMD64_LINUX". 373# The entire system, including regression and performance tests, will be 374# built for this target. The "_CAPS" indicates that the name is in capital 375# letters, and it also uses '_' rather than '-' as a separator, because it's 376# used to create various Makefile variables, which are all in caps by 377# convention and cannot contain '-' characters. This is in contrast to 378# VGCONF_ARCH_PRI and VGCONF_OS which are not in caps. 379AC_SUBST(VGCONF_PLATFORM_PRI_CAPS) 380 381# VGCONF_PLATFORM_SEC_CAPS is the secondary build target, if there is one. 382# Valgrind and tools will also be built for this target, but not the 383# regression or performance tests. 384# 385# By default, the primary arch is the same as the "max" arch, as commented 386# above (at the definition of ARCH_MAX). We may choose to downgrade it in 387# the big case statement just below here, in the case where we're building 388# on a 64 bit machine but have been requested only to do a 32 bit build. 389AC_SUBST(VGCONF_PLATFORM_SEC_CAPS) 390 391AC_MSG_CHECKING([for a supported CPU/OS combination]) 392 393# NB. The load address for a given platform may be specified in more 394# than one place, in some cases, depending on whether we're doing a biarch, 395# 32-bit only or 64-bit only build. eg see case for amd64-linux below. 396# Be careful to give consistent values in all subcases. Also, all four 397# valt_load_addres_{pri,sec}_{norml,inner} values must always be set, 398# even if it is to "0xUNSET". 399# 400case "$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}-${VGCONF_OS})]) 549 AC_MSG_ERROR([Valgrind is platform specific. Sorry. Please consider doing a port.]) 550 ;; 551esac 552 553#---------------------------------------------------------------------------- 554 555# Set up VGCONF_ARCHS_INCLUDE_<arch>. Either one or two of these become 556# defined. 557AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_X86, 558 test x$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$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN ) 562AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_AMD64, 563 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \ 564 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN ) 565AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC32, 566 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \ 567 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX ) 568AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC64, 569 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX ) 570AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM, 571 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX ) 572AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_S390X, 573 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX ) 574 575# Set up VGCONF_PLATFORMS_INCLUDE_<platform>. Either one or two of these 576# become defined. 577AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_LINUX, 578 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \ 579 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX) 580AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_LINUX, 581 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX) 582AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC32_LINUX, 583 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \ 584 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX) 585AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64_LINUX, 586 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX) 587AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM_LINUX, 588 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX) 589AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_S390X_LINUX, 590 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \ 591 -o x$VGCONF_PLATFORM_SEC_CAPS = xS390X_LINUX) 592 593AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_DARWIN, 594 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \ 595 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN) 596AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_DARWIN, 597 test x$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. 603AM_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) 610AM_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. 617AM_CONDITIONAL(VGCONF_HAVE_PLATFORM_SEC, 618 test x$VGCONF_PLATFORM_SEC_CAPS != x) 619 620 621#---------------------------------------------------------------------------- 622# Inner Valgrind? 623#---------------------------------------------------------------------------- 624 625# Check if this should be built as an inner Valgrind, to be run within 626# another Valgrind. Choose the load address accordingly. 627AC_SUBST(VALT_LOAD_ADDRESS_PRI) 628AC_SUBST(VALT_LOAD_ADDRESS_SEC) 629AC_CACHE_CHECK([for use as an inner Valgrind], vg_cv_inner, 630 [AC_ARG_ENABLE(inner, 631 [ --enable-inner enables self-hosting], 632 [vg_cv_inner=$enableval], 633 [vg_cv_inner=no])]) 634if 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=$valt_load_address_sec_inner 638else 639 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_norml 640 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_norml 641fi 642 643 644#---------------------------------------------------------------------------- 645# Extra fine-tuning of installation directories 646#---------------------------------------------------------------------------- 647AC_ARG_WITH(tmpdir, 648 [ --with-tmpdir=PATH Specify path for temporary files], 649 tmpdir="$withval", 650 tmpdir="/tmp") 651AC_DEFINE_UNQUOTED(VG_TMPDIR, "$tmpdir", [Temporary files directory]) 652 653 654#---------------------------------------------------------------------------- 655# Libc and suppressions 656#---------------------------------------------------------------------------- 657# This variable will collect the suppression files to be used. 658AC_SUBST(DEFAULT_SUPP) 659 660AC_CHECK_HEADER([features.h]) 661 662if test x$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__) 667glibc version is: __GLIBC__ __GLIBC_MINOR__ 668#endif 669_ACEOF 670 GLIBC_VERSION="`$CPP conftest.$ac_ext | $SED -n 's/^glibc version is: //p' | $SED 's/ /./g'`" 671fi 672 673# not really a version check 674AC_EGREP_CPP([DARWIN_LIBC], [ 675#include <sys/cdefs.h> 676#if defined(__DARWIN_VERS_1050) 677 DARWIN_LIBC 678#endif 679], 680GLIBC_VERSION="darwin") 681 682# not really a version check 683AC_EGREP_CPP([BIONIC_LIBC], [ 684#if defined(__ANDROID__) 685 BIONIC_LIBC 686#endif 687], 688GLIBC_VERSION="bionic") 689 690 691AC_MSG_CHECKING([the GLIBC_VERSION version]) 692 693case "${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 ${GLIBC_VERSION}]) 801 AC_MSG_ERROR([Valgrind requires glibc version 2.2 - 2.14]) 802 AC_MSG_ERROR([or Darwin libc]) 803 ;; 804esac 805 806AC_SUBST(GLIBC_VERSION) 807 808if test x$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__) 813glibc major version is: __GLIBC__ 814#endif 815_ACEOF 816 GLIBC_MAJOR="`$CPP conftest.$ac_ext | $SED -n 's/^glibc major version is: //p'`" 817fi 818 819AC_MSG_CHECKING([the GLIBC_MAJOR version]) 820 821case "${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 ;; 829esac 830 831AC_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. 838DEFAULT_SUPP="xfree-4.supp ${DEFAULT_SUPP}" 839DEFAULT_SUPP="xfree-3.supp ${DEFAULT_SUPP}" 840 841# Add glibc and X11 suppressions for exp-sgcheck 842DEFAULT_SUPP="exp-sgcheck.supp ${DEFAULT_SUPP}" 843 844 845#---------------------------------------------------------------------------- 846# Platform variants? 847#---------------------------------------------------------------------------- 848 849# Normally the PLAT = (ARCH, OS) characterisation of the platform is enough. 850# But there are times where we need a bit more control. The motivating 851# and currently only case is Android: this is almost identical to arm-linux, 852# but not quite. So this introduces the concept of platform variant tags, 853# which get passed in the compile as -DVGPV_<arch>_<os>_<variant> along 854# with the main -DVGP_<arch>_<os> definition. 855# 856# In almost all cases, the <variant> bit is "vanilla". But for Android 857# it is "android" instead. 858# 859# Consequently (eg), plain arm-linux would build with 860# 861# -DVGP_arm_linux -DVGPV_arm_linux_vanilla 862# 863# whilst an Android build would have 864# 865# -DVGP_arm_linux -DVGPV_arm_linux_android 866# 867# The setup of the platform variant is pushed relatively far down this 868# file in order that we can inspect any of the variables set above. 869 870# In the normal case .. 871VGCONF_PLATVARIANT="vanilla" 872 873# Android on ARM ? 874if test "$VGCONF_ARCH_PRI-$VGCONF_OS" = "arm-linux" \ 875 -a "$GLIBC_VERSION" = "bionic"; 876then 877 VGCONF_PLATVARIANT="android" 878fi 879 880AC_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 895AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_VANILLA, 896 test x$VGCONF_PLATVARIANT = xvanilla) 897AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_ANDROID, 898 test x$VGCONF_PLATVARIANT = xandroid) 899 900 901#---------------------------------------------------------------------------- 902# Checking for various library functions and other definitions 903#---------------------------------------------------------------------------- 904 905# Check for CLOCK_MONOTONIC 906 907AC_MSG_CHECKING([for CLOCK_MONOTONIC]) 908 909AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 910#include <time.h> 911]], [[ 912 struct timespec t; 913 clock_gettime(CLOCK_MONOTONIC, &t); 914 return 0; 915]])], [ 916AC_MSG_RESULT([yes]) 917AC_DEFINE([HAVE_CLOCK_MONOTONIC], 1, 918 [Define to 1 if you have the `CLOCK_MONOTONIC' constant.]) 919], [ 920AC_MSG_RESULT([no]) 921]) 922 923 924# Check for PTHREAD_RWLOCK_T 925 926AC_MSG_CHECKING([for pthread_rwlock_t]) 927 928AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 929#define _GNU_SOURCE 930#include <pthread.h> 931]], [[ 932 pthread_rwlock_t rwl; 933]])], [ 934AC_MSG_RESULT([yes]) 935AC_DEFINE([HAVE_PTHREAD_RWLOCK_T], 1, 936 [Define to 1 if you have the `pthread_rwlock_t' type.]) 937], [ 938AC_MSG_RESULT([no]) 939]) 940 941 942# Check for PTHREAD_MUTEX_ADAPTIVE_NP 943 944AC_MSG_CHECKING([for PTHREAD_MUTEX_ADAPTIVE_NP]) 945 946AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 947#define _GNU_SOURCE 948#include <pthread.h> 949]], [[ 950 return (PTHREAD_MUTEX_ADAPTIVE_NP); 951]])], [ 952AC_MSG_RESULT([yes]) 953AC_DEFINE([HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], 1, 954 [Define to 1 if you have the `PTHREAD_MUTEX_ADAPTIVE_NP' constant.]) 955], [ 956AC_MSG_RESULT([no]) 957]) 958 959 960# Check for PTHREAD_MUTEX_ERRORCHECK_NP 961 962AC_MSG_CHECKING([for PTHREAD_MUTEX_ERRORCHECK_NP]) 963 964AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 965#define _GNU_SOURCE 966#include <pthread.h> 967]], [[ 968 return (PTHREAD_MUTEX_ERRORCHECK_NP); 969]])], [ 970AC_MSG_RESULT([yes]) 971AC_DEFINE([HAVE_PTHREAD_MUTEX_ERRORCHECK_NP], 1, 972 [Define to 1 if you have the `PTHREAD_MUTEX_ERRORCHECK_NP' constant.]) 973], [ 974AC_MSG_RESULT([no]) 975]) 976 977 978# Check for PTHREAD_MUTEX_RECURSIVE_NP 979 980AC_MSG_CHECKING([for PTHREAD_MUTEX_RECURSIVE_NP]) 981 982AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 983#define _GNU_SOURCE 984#include <pthread.h> 985]], [[ 986 return (PTHREAD_MUTEX_RECURSIVE_NP); 987]])], [ 988AC_MSG_RESULT([yes]) 989AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE_NP], 1, 990 [Define to 1 if you have the `PTHREAD_MUTEX_RECURSIVE_NP' constant.]) 991], [ 992AC_MSG_RESULT([no]) 993]) 994 995 996# Check for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP 997 998AC_MSG_CHECKING([for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP]) 999 1000AC_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]])], [ 1007AC_MSG_RESULT([yes]) 1008AC_DEFINE([HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], 1, 1009 [Define to 1 if you have the `PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP' constant.]) 1010], [ 1011AC_MSG_RESULT([no]) 1012]) 1013 1014 1015# Check whether pthread_mutex_t has a member called __m_kind. 1016 1017AC_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 1028AC_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 1040AC_MSG_CHECKING([for Altivec]) 1041 1042safe_CFLAGS=$CFLAGS 1043CFLAGS="-maltivec" 1044 1045AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 1046#include <altivec.h> 1047]], [[ 1048 vector unsigned int v; 1049]])], [ 1050ac_have_altivec=yes 1051AC_MSG_RESULT([yes]) 1052AC_DEFINE([HAS_ALTIVEC], 1, 1053 [Define to 1 if gcc/as can do Altivec.]) 1054], [ 1055ac_have_altivec=no 1056AC_MSG_RESULT([no]) 1057]) 1058CFLAGS=$safe_CFLAGS 1059 1060AM_CONDITIONAL([HAS_ALTIVEC], [test x$ac_have_altivec = xyes]) 1061 1062 1063# Check that both: the compiler supports -mvsx and that the assembler 1064# understands VSX instructions. If either of those doesn't work, 1065# conclude that we can't do VSX. NOTE: basically this is a kludge 1066# in that it conflates two things that should be separate -- whether 1067# the compiler understands the flag vs whether the assembler 1068# understands the opcodes. This really ought to be cleaned up 1069# and done properly, like it is for x86/x86_64. 1070 1071AC_MSG_CHECKING([for VSX]) 1072 1073safe_CFLAGS=$CFLAGS 1074CFLAGS="-mvsx" 1075 1076AC_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]])], [ 1082ac_have_vsx=yes 1083AC_MSG_RESULT([yes]) 1084], [ 1085ac_have_vsx=no 1086AC_MSG_RESULT([no]) 1087]) 1088CFLAGS=$safe_CFLAGS 1089 1090AM_CONDITIONAL(HAS_VSX, test x$ac_have_vsx = xyes) 1091 1092 1093# Check for pthread_create@GLIBC2.0 1094AC_MSG_CHECKING([for pthread_create@GLIBC2.0()]) 1095 1096safe_CFLAGS=$CFLAGS 1097CFLAGS="-lpthread" 1098AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 1099extern int pthread_create_glibc_2_0(void*, const void*, 1100 void *(*)(void*), void*); 1101__asm__(".symver pthread_create_glibc_2_0, pthread_create@GLIBC_2.0"); 1102]], [[ 1103#ifdef __powerpc__ 1104/* 1105 * Apparently on PowerPC linking this program succeeds and generates an 1106 * executable with the undefined symbol pthread_create@GLIBC_2.0. 1107 */ 1108#error This test does not work properly on PowerPC. 1109#else 1110 pthread_create_glibc_2_0(0, 0, 0, 0); 1111#endif 1112 return 0; 1113]])], [ 1114ac_have_pthread_create_glibc_2_0=yes 1115AC_MSG_RESULT([yes]) 1116AC_DEFINE([HAVE_PTHREAD_CREATE_GLIBC_2_0], 1, 1117 [Define to 1 if you have the `pthread_create@glibc2.0' function.]) 1118], [ 1119ac_have_pthread_create_glibc_2_0=no 1120AC_MSG_RESULT([no]) 1121]) 1122CFLAGS=$safe_CFLAGS 1123 1124AM_CONDITIONAL(HAVE_PTHREAD_CREATE_GLIBC_2_0, 1125 test x$ac_have_pthread_create_glibc_2_0 = xyes) 1126 1127 1128# Check for eventfd_t, eventfd() and eventfd_read() 1129AC_MSG_CHECKING([for eventfd()]) 1130 1131AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 1132#include <sys/eventfd.h> 1133]], [[ 1134 eventfd_t ev; 1135 int fd; 1136 1137 fd = eventfd(5, 0); 1138 eventfd_read(fd, &ev); 1139 return 0; 1140]])], [ 1141AC_MSG_RESULT([yes]) 1142AC_DEFINE([HAVE_EVENTFD], 1, 1143 [Define to 1 if you have the `eventfd' function.]) 1144AC_DEFINE([HAVE_EVENTFD_READ], 1, 1145 [Define to 1 if you have the `eventfd_read' function.]) 1146], [ 1147AC_MSG_RESULT([no]) 1148]) 1149 1150 1151#---------------------------------------------------------------------------- 1152# Checking for supported compiler flags. 1153#---------------------------------------------------------------------------- 1154 1155# does this compiler support -m32 ? 1156AC_MSG_CHECKING([if gcc accepts -m32]) 1157 1158safe_CFLAGS=$CFLAGS 1159CFLAGS="-m32" 1160 1161AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1162 return 0; 1163]])], [ 1164FLAG_M32="-m32" 1165AC_MSG_RESULT([yes]) 1166], [ 1167FLAG_M32="" 1168AC_MSG_RESULT([no]) 1169]) 1170CFLAGS=$safe_CFLAGS 1171 1172AC_SUBST(FLAG_M32) 1173 1174 1175# does this compiler support -m64 ? 1176AC_MSG_CHECKING([if gcc accepts -m64]) 1177 1178safe_CFLAGS=$CFLAGS 1179CFLAGS="-m64" 1180 1181AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1182 return 0; 1183]])], [ 1184FLAG_M64="-m64" 1185AC_MSG_RESULT([yes]) 1186], [ 1187FLAG_M64="" 1188AC_MSG_RESULT([no]) 1189]) 1190CFLAGS=$safe_CFLAGS 1191 1192AC_SUBST(FLAG_M64) 1193 1194 1195# does this compiler support -mmmx ? 1196AC_MSG_CHECKING([if gcc accepts -mmmx]) 1197 1198safe_CFLAGS=$CFLAGS 1199CFLAGS="-mmmx" 1200 1201AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1202 return 0; 1203]])], [ 1204FLAG_MMMX="-mmmx" 1205AC_MSG_RESULT([yes]) 1206], [ 1207FLAG_MMMX="" 1208AC_MSG_RESULT([no]) 1209]) 1210CFLAGS=$safe_CFLAGS 1211 1212AC_SUBST(FLAG_MMMX) 1213 1214 1215# does this compiler support -msse ? 1216AC_MSG_CHECKING([if gcc accepts -msse]) 1217 1218safe_CFLAGS=$CFLAGS 1219CFLAGS="-msse" 1220 1221AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1222 return 0; 1223]])], [ 1224FLAG_MSSE="-msse" 1225AC_MSG_RESULT([yes]) 1226], [ 1227FLAG_MSSE="" 1228AC_MSG_RESULT([no]) 1229]) 1230CFLAGS=$safe_CFLAGS 1231 1232AC_SUBST(FLAG_MSSE) 1233 1234 1235# does this compiler support -mpreferred-stack-boundary=2 ? 1236AC_MSG_CHECKING([if gcc accepts -mpreferred-stack-boundary]) 1237 1238safe_CFLAGS=$CFLAGS 1239CFLAGS="-mpreferred-stack-boundary=2" 1240 1241AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1242 return 0; 1243]])], [ 1244PREFERRED_STACK_BOUNDARY="-mpreferred-stack-boundary=2" 1245AC_MSG_RESULT([yes]) 1246], [ 1247PREFERRED_STACK_BOUNDARY="" 1248AC_MSG_RESULT([no]) 1249]) 1250CFLAGS=$safe_CFLAGS 1251 1252AC_SUBST(PREFERRED_STACK_BOUNDARY) 1253 1254 1255# does this compiler support -Wno-pointer-sign ? 1256AC_MSG_CHECKING([if gcc accepts -Wno-pointer-sign]) 1257 1258safe_CFLAGS=$CFLAGS 1259CFLAGS="-Wno-pointer-sign" 1260 1261AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1262 return 0; 1263]])], [ 1264no_pointer_sign=yes 1265AC_MSG_RESULT([yes]) 1266], [ 1267no_pointer_sign=no 1268AC_MSG_RESULT([no]) 1269]) 1270CFLAGS=$safe_CFLAGS 1271 1272if test x$no_pointer_sign = xyes; then 1273 CFLAGS="$CFLAGS -Wno-pointer-sign" 1274fi 1275 1276 1277# does this compiler support -Wno-empty-body ? 1278 1279AC_MSG_CHECKING([if gcc accepts -Wno-empty-body]) 1280 1281safe_CFLAGS=$CFLAGS 1282CFLAGS="-Wno-empty-body" 1283 1284AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1285 return 0; 1286]])], [ 1287AC_SUBST([FLAG_W_NO_EMPTY_BODY], [-Wno-empty-body]) 1288AC_MSG_RESULT([yes]) 1289], [ 1290AC_SUBST([FLAG_W_NO_EMPTY_BODY], []) 1291AC_MSG_RESULT([no]) 1292]) 1293CFLAGS=$safe_CFLAGS 1294 1295 1296# does this compiler support -Wno-format-zero-length ? 1297 1298AC_MSG_CHECKING([if gcc accepts -Wno-format-zero-length]) 1299 1300safe_CFLAGS=$CFLAGS 1301CFLAGS="-Wno-format-zero-length" 1302 1303AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1304 return 0; 1305]])], [ 1306AC_SUBST([FLAG_W_NO_FORMAT_ZERO_LENGTH], [-Wno-format-zero-length]) 1307AC_MSG_RESULT([yes]) 1308], [ 1309AC_SUBST([FLAG_W_NO_FORMAT_ZERO_LENGTH], []) 1310AC_MSG_RESULT([no]) 1311]) 1312CFLAGS=$safe_CFLAGS 1313 1314 1315# does this compiler support -Wno-nonnull ? 1316 1317AC_MSG_CHECKING([if gcc accepts -Wno-nonnull]) 1318 1319safe_CFLAGS=$CFLAGS 1320CFLAGS="-Wno-nonnull" 1321 1322AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1323 return 0; 1324]])], [ 1325AC_SUBST([FLAG_W_NO_NONNULL], [-Wno-nonnull]) 1326AC_MSG_RESULT([yes]) 1327], [ 1328AC_SUBST([FLAG_W_NO_NONNULL], []) 1329AC_MSG_RESULT([no]) 1330]) 1331CFLAGS=$safe_CFLAGS 1332 1333 1334# does this compiler support -Wno-overflow ? 1335 1336AC_MSG_CHECKING([if gcc accepts -Wno-overflow]) 1337 1338safe_CFLAGS=$CFLAGS 1339CFLAGS="-Wno-overflow" 1340 1341AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1342 return 0; 1343]])], [ 1344AC_SUBST([FLAG_W_NO_OVERFLOW], [-Wno-overflow]) 1345AC_MSG_RESULT([yes]) 1346], [ 1347AC_SUBST([FLAG_W_NO_OVERFLOW], []) 1348AC_MSG_RESULT([no]) 1349]) 1350CFLAGS=$safe_CFLAGS 1351 1352 1353# does this compiler support -Wno-uninitialized ? 1354 1355AC_MSG_CHECKING([if gcc accepts -Wno-uninitialized]) 1356 1357safe_CFLAGS=$CFLAGS 1358CFLAGS="-Wno-uninitialized" 1359 1360AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1361 return 0; 1362]])], [ 1363AC_SUBST([FLAG_W_NO_UNINITIALIZED], [-Wno-uninitialized]) 1364AC_MSG_RESULT([yes]) 1365], [ 1366AC_SUBST([FLAG_W_NO_UNINITIALIZED], []) 1367AC_MSG_RESULT([no]) 1368]) 1369CFLAGS=$safe_CFLAGS 1370 1371 1372# does this compiler support -Wextra or the older -W ? 1373 1374AC_MSG_CHECKING([if gcc accepts -Wextra or -W]) 1375 1376safe_CFLAGS=$CFLAGS 1377CFLAGS="-Wextra" 1378 1379AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1380 return 0; 1381]])], [ 1382AC_SUBST([FLAG_W_EXTRA], [-Wextra]) 1383AC_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]) 1396CFLAGS=$safe_CFLAGS 1397 1398 1399# does this compiler support -fno-stack-protector ? 1400AC_MSG_CHECKING([if gcc accepts -fno-stack-protector]) 1401 1402safe_CFLAGS=$CFLAGS 1403CFLAGS="-fno-stack-protector" 1404 1405AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1406 return 0; 1407]])], [ 1408no_stack_protector=yes 1409FLAG_FNO_STACK_PROTECTOR="-fno-stack-protector" 1410AC_MSG_RESULT([yes]) 1411], [ 1412no_stack_protector=no 1413FLAG_FNO_STACK_PROTECTOR="" 1414AC_MSG_RESULT([no]) 1415]) 1416CFLAGS=$safe_CFLAGS 1417 1418AC_SUBST(FLAG_FNO_STACK_PROTECTOR) 1419 1420if test x$no_stack_protector = xyes; then 1421 CFLAGS="$CFLAGS -fno-stack-protector" 1422fi 1423 1424 1425# does this compiler support --param inline-unit-growth=... ? 1426 1427AC_MSG_CHECKING([if gcc accepts --param inline-unit-growth]) 1428 1429safe_CFLAGS=$CFLAGS 1430CFLAGS="--param inline-unit-growth=900" 1431 1432AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 1433 return 0; 1434]])], [ 1435AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH], 1436 ["--param inline-unit-growth=900"]) 1437AC_MSG_RESULT([yes]) 1438], [ 1439AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH], [""]) 1440AC_MSG_RESULT([no]) 1441]) 1442CFLAGS=$safe_CFLAGS 1443 1444 1445# does the linker support -Wl,--build-id=none ? Note, it's 1446# important that we test indirectly via whichever C compiler 1447# is selected, rather than testing /usr/bin/ld or whatever 1448# directly. 1449 1450AC_MSG_CHECKING([if the linker accepts -Wl,--build-id=none]) 1451 1452safe_CFLAGS=$CFLAGS 1453CFLAGS="-Wl,--build-id=none" 1454 1455AC_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]) 1464CFLAGS=$safe_CFLAGS 1465 1466 1467# does the ppc assembler support "mtocrf" et al? 1468AC_MSG_CHECKING([if ppc32/64 as supports mtocrf/mfocrf]) 1469 1470AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1471__asm__ __volatile__("mtocrf 4,0"); 1472__asm__ __volatile__("mfocrf 0,4"); 1473]])], [ 1474ac_have_as_ppc_mftocrf=yes 1475AC_MSG_RESULT([yes]) 1476], [ 1477ac_have_as_ppc_mftocrf=no 1478AC_MSG_RESULT([no]) 1479]) 1480if test x$ac_have_as_ppc_mftocrf = xyes ; then 1481 AC_DEFINE(HAVE_AS_PPC_MFTOCRF, 1, [Define to 1 if as supports mtocrf/mfocrf.]) 1482fi 1483 1484 1485CFLAGS=$safe_CFLAGS 1486 1487# does the x86/amd64 assembler understand SSE3 instructions? 1488# Note, this doesn't generate a C-level symbol. It generates a 1489# automake-level symbol (BUILD_SSE3_TESTS), used in test Makefile.am's 1490AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE3]) 1491 1492AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1493 do { long long int x; 1494 __asm__ __volatile__("fisttpq (%0)" : :"r"(&x) ); } 1495 while (0) 1496]])], [ 1497ac_have_as_sse3=yes 1498AC_MSG_RESULT([yes]) 1499], [ 1500ac_have_as_sse3=no 1501AC_MSG_RESULT([no]) 1502]) 1503 1504AM_CONDITIONAL(BUILD_SSE3_TESTS, test x$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 1510AC_MSG_CHECKING([if x86/amd64 assembler speaks SSSE3]) 1511 1512AC_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]])], [ 1518ac_have_as_ssse3=yes 1519AC_MSG_RESULT([yes]) 1520], [ 1521ac_have_as_ssse3=no 1522AC_MSG_RESULT([no]) 1523]) 1524 1525AM_CONDITIONAL(BUILD_SSSE3_TESTS, test x$ac_have_as_ssse3 = xyes) 1526 1527 1528# does the x86/amd64 assembler understand the PCLMULQDQ instruction? 1529# Note, this doesn't generate a C-level symbol. It generates a 1530# automake-level symbol (BUILD_PCLMULQDQ_TESTS), used in test Makefile.am's 1531AC_MSG_CHECKING([if x86/amd64 assembler supports 'pclmulqdq']) 1532AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1533 do { 1534 __asm__ __volatile__( 1535 "pclmulqdq \$17,%%xmm6,%%xmm7" : : : "xmm6", "xmm7" ); } 1536 while (0) 1537]])], [ 1538ac_have_as_pclmulqdq=yes 1539AC_MSG_RESULT([yes]) 1540], [ 1541ac_have_as_pclmulqdq=no 1542AC_MSG_RESULT([no]) 1543]) 1544 1545AM_CONDITIONAL(BUILD_PCLMULQDQ_TESTS, test x$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 1551AC_MSG_CHECKING([if x86/amd64 assembler supports 'lzcnt']) 1552 1553AC_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 1565AM_CONDITIONAL([BUILD_LZCNT_TESTS], [test x$ac_have_as_lzcnt = xyes]) 1566 1567 1568# does the x86/amd64 assembler understand SSE 4.2 instructions? 1569# Note, this doesn't generate a C-level symbol. It generates a 1570# automake-level symbol (BUILD_SSE42_TESTS), used in test Makefile.am's 1571AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE4.2]) 1572 1573AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 1574 do { long long int x; 1575 __asm__ __volatile__( 1576 "crc32q %%r15,%%r15" : : : "r15" ); } 1577 while (0) 1578]])], [ 1579ac_have_as_sse42=yes 1580AC_MSG_RESULT([yes]) 1581], [ 1582ac_have_as_sse42=no 1583AC_MSG_RESULT([no]) 1584]) 1585 1586AM_CONDITIONAL(BUILD_SSE42_TESTS, test x$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 1593AC_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. 1601AC_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 1610if test "$vg_cv_tls" = yes; then 1611AC_DEFINE([HAVE_TLS], 1, [can use __thread to define thread-local variables]) 1612fi 1613 1614 1615#---------------------------------------------------------------------------- 1616# Checks for C header files. 1617#---------------------------------------------------------------------------- 1618 1619AC_HEADER_STDC 1620AC_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. 1637AC_MSG_CHECKING([if <linux/futex.h> is usable]) 1638 1639AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 1640#include <linux/futex.h> 1641]], [[ 1642 return FUTEX_WAIT; 1643]])], [ 1644AC_DEFINE([HAVE_USABLE_LINUX_FUTEX_H], 1, 1645 [Define to 1 if you have a usable <linux/futex.h> header file.]) 1646AC_MSG_RESULT([yes]) 1647], [ 1648AC_MSG_RESULT([no]) 1649]) 1650 1651#---------------------------------------------------------------------------- 1652# Checks for typedefs, structures, and compiler characteristics. 1653#---------------------------------------------------------------------------- 1654AC_TYPE_UID_T 1655AC_TYPE_OFF_T 1656AC_TYPE_SIZE_T 1657AC_HEADER_TIME 1658 1659 1660#---------------------------------------------------------------------------- 1661# Checks for library functions. 1662#---------------------------------------------------------------------------- 1663AC_FUNC_MEMCMP 1664AC_FUNC_MMAP 1665 1666AC_CHECK_LIB([pthread], [pthread_create]) 1667AC_CHECK_LIB([rt], [clock_gettime]) 1668 1669AC_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 1703LIBS="" 1704 1705AM_CONDITIONAL([HAVE_PTHREAD_BARRIER], 1706 [test x$ac_cv_func_pthread_barrier_init = xyes]) 1707AM_CONDITIONAL([HAVE_PTHREAD_MUTEX_TIMEDLOCK], 1708 [test x$ac_cv_func_pthread_mutex_timedlock = xyes]) 1709AM_CONDITIONAL([HAVE_PTHREAD_SPINLOCK], 1710 [test x$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=. 1721MPI_CC="mpicc" 1722 1723mflag_primary= 1724if 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 1728elif 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 1732fi 1733 1734mflag_secondary= 1735if test x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \ 1736 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX ; then 1737 mflag_secondary=$FLAG_M32 1738fi 1739 1740 1741AC_ARG_WITH(mpicc, 1742 [ --with-mpicc= Specify name of MPI2-ised C compiler], 1743 MPI_CC=$withval 1744) 1745AC_SUBST(MPI_CC) 1746 1747## See if MPI_CC works for the primary target 1748## 1749AC_MSG_CHECKING([primary target for usable MPI2-compliant C compiler and mpi.h]) 1750saved_CC=$CC 1751saved_CFLAGS=$CFLAGS 1752CC=$MPI_CC 1753CFLAGS=$mflag_primary 1754AC_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]])], [ 1762ac_have_mpi2_pri=yes 1763AC_MSG_RESULT([yes, $MPI_CC]) 1764], [ 1765ac_have_mpi2_pri=no 1766AC_MSG_RESULT([no]) 1767]) 1768CC=$saved_CC 1769CFLAGS=$saved_CFLAGS 1770AM_CONDITIONAL(BUILD_MPIWRAP_PRI, test x$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## 1777AC_MSG_CHECKING([secondary target for usable MPI2-compliant C compiler and mpi.h]) 1778saved_CC=$CC 1779saved_CFLAGS=$CFLAGS 1780if test x$VGCONF_PLATFORM_SEC_CAPS = x ; then 1781 CC="$MPI_CC this will surely fail" 1782else 1783 CC=$MPI_CC 1784fi 1785CFLAGS=$mflag_secondary 1786AC_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]])], [ 1794ac_have_mpi2_sec=yes 1795AC_MSG_RESULT([yes, $MPI_CC]) 1796], [ 1797ac_have_mpi2_sec=no 1798AC_MSG_RESULT([no]) 1799]) 1800CC=$saved_CC 1801CFLAGS=$saved_CFLAGS 1802AM_CONDITIONAL(BUILD_MPIWRAP_SEC, test x$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 $mflag_primary FOR CONFIGURE TESTS FOR FACILITIES 1821# NEEDED BY THE REGRESSION TEST PROGRAMS. 1822 1823 1824# Check whether the boost library 1.35 or later has been installed. 1825# The Boost.Threads library has undergone a major rewrite in version 1.35.0. 1826 1827AC_MSG_CHECKING([for boost]) 1828 1829AC_LANG(C++) 1830safe_CXXFLAGS=$CXXFLAGS 1831CXXFLAGS="-lboost_thread-mt $mflag_primary" 1832 1833AC_LINK_IFELSE([AC_LANG_SOURCE([ 1834#include <boost/thread.hpp> 1835static void thread_func(void) 1836{ } 1837int main(int argc, char** argv) 1838{ 1839 boost::thread t(thread_func); 1840 return 0; 1841} 1842])], 1843[ 1844ac_have_boost_1_35=yes 1845AC_SUBST([BOOST_CFLAGS], []) 1846AC_SUBST([BOOST_LIBS], ["${CXXFLAGS}"]) 1847AC_MSG_RESULT([yes]) 1848], [ 1849ac_have_boost_1_35=no 1850AC_MSG_RESULT([no]) 1851]) 1852 1853CXXFLAGS=$safe_CXXFLAGS 1854AC_LANG(C) 1855 1856AM_CONDITIONAL([HAVE_BOOST_1_35], [test x$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 1862AC_MSG_CHECKING([for OpenMP]) 1863 1864safe_CFLAGS=$CFLAGS 1865CFLAGS="-fopenmp $mflag_primary" 1866 1867AC_LINK_IFELSE([AC_LANG_SOURCE([ 1868#include <omp.h> 1869int main(int argc, char** argv) 1870{ 1871 omp_set_dynamic(0); 1872 return 0; 1873} 1874])], 1875[ 1876ac_have_openmp=yes 1877AC_MSG_RESULT([yes]) 1878], [ 1879ac_have_openmp=no 1880AC_MSG_RESULT([no]) 1881]) 1882CFLAGS=$safe_CFLAGS 1883 1884AM_CONDITIONAL([HAVE_OPENMP], [test x$ac_have_openmp = xyes]) 1885 1886 1887# does this compiler have built-in functions for atomic memory access ? 1888AC_MSG_CHECKING([if gcc supports __sync_bool_compare_and_swap]) 1889 1890safe_CFLAGS=$CFLAGS 1891CFLAGS="$mflag_primary" 1892 1893AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ 1894 int variable = 1; 1895 return (__sync_bool_compare_and_swap(&variable, 1, 2) 1896 && __sync_add_and_fetch(&variable, 1) ? 1 : 0) 1897]])], [ 1898 ac_have_builtin_atomic=yes 1899 AC_MSG_RESULT([yes]) 1900 AC_DEFINE(HAVE_BUILTIN_ATOMIC, 1, [Define to 1 if gcc supports __sync_bool_compare_and_swap() and __sync_add_and_fetch()]) 1901], [ 1902 ac_have_builtin_atomic=no 1903 AC_MSG_RESULT([no]) 1904]) 1905 1906CFLAGS=$safe_CFLAGS 1907 1908AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC], [test x$ac_have_builtin_atomic = xyes]) 1909 1910# does g++ have built-in functions for atomic memory access ? 1911AC_MSG_CHECKING([if g++ supports __sync_bool_compare_and_swap]) 1912 1913safe_CXXFLAGS=$CXXFLAGS 1914CXXFLAGS="$mflag_primary" 1915 1916AC_LANG_PUSH(C++) 1917AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ 1918 int variable = 1; 1919 return (__sync_bool_compare_and_swap(&variable, 1, 2) 1920 && __sync_add_and_fetch(&variable, 1) ? 1 : 0) 1921]])], [ 1922 ac_have_builtin_atomic_cxx=yes 1923 AC_MSG_RESULT([yes]) 1924 AC_DEFINE(HAVE_BUILTIN_ATOMIC_CXX, 1, [Define to 1 if g++ supports __sync_bool_compare_and_swap() and __sync_add_and_fetch()]) 1925], [ 1926 ac_have_builtin_atomic_cxx=no 1927 AC_MSG_RESULT([no]) 1928]) 1929AC_LANG_POP(C++) 1930 1931CXXFLAGS=$safe_CXXFLAGS 1932 1933AM_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. 1940AC_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]) 2011AC_CONFIG_FILES([coregrind/link_tool_exe_linux], 2012 [chmod +x coregrind/link_tool_exe_linux]) 2013AC_CONFIG_FILES([coregrind/link_tool_exe_darwin], 2014 [chmod +x coregrind/link_tool_exe_darwin]) 2015AC_OUTPUT 2016 2017cat<<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 2029EOF 2030