1 ## Process this file with autoconf to produce configure. 2 ## In general, the safest way to proceed is to run ./autogen.sh 3 4 # make sure we're interpreted by some minimal autoconf 5 AC_PREREQ(2.57) 6 7 AC_INIT(gperftools, 2.0, google-perftools@googlegroups.com) 8 # Update this value for every release! (A:B:C will map to foo.so.(A-C).C.B) 9 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html 10 TCMALLOC_SO_VERSION=5:0:1 11 PROFILER_SO_VERSION=3:0:3 12 13 AC_SUBST(TCMALLOC_SO_VERSION) 14 AC_SUBST(PROFILER_SO_VERSION) 15 16 # The argument here is just something that should be in the current directory 17 # (for sanity checking) 18 AC_CONFIG_SRCDIR(README) 19 AC_CONFIG_MACRO_DIR([m4]) 20 AC_CANONICAL_HOST 21 AM_INIT_AUTOMAKE([dist-zip]) 22 AM_CONFIG_HEADER(src/config.h) 23 24 # Export the version information (for tc_version and friends) 25 TC_VERSION_MAJOR=`expr "$PACKAGE_VERSION" : '\([[0-9]]*\)'` 26 TC_VERSION_MINOR=`expr "$PACKAGE_VERSION" : '[[0-9]]*\.\([[0-9]]*\)'` 27 TC_VERSION_PATCH=`expr "$PACKAGE_VERSION" : '[[0-9]]*\.[[0-9]]*\(.*\)$'` 28 AC_SUBST(TC_VERSION_MAJOR) 29 AC_SUBST(TC_VERSION_MINOR) 30 AC_SUBST(TC_VERSION_PATCH) 31 AC_SUBST(PACKAGE_STRING) 32 33 # The user can choose not to compile in the heap-profiler, the 34 # heap-checker, or the cpu-profiler. There's also the possibility 35 # for a 'fully minimal' compile, which leaves out the stacktrace 36 # code as well. By default, we include all of these that the 37 # target system supports. 38 default_enable_cpu_profiler=yes 39 default_enable_heap_profiler=yes 40 default_enable_heap_checker=yes 41 default_enable_debugalloc=yes 42 default_enable_minimal=no 43 need_nanosleep=yes # Used later, to decide if to run ACX_NANOSLEEP 44 case "$host" in 45 *-mingw*) default_enable_minimal=yes; default_enable_debugalloc=no; 46 need_nanosleep=no;; 47 *-cygwin*) default_enable_heap_checker=no; default_enable_cpu_profiler=no;; 48 *-freebsd*) default_enable_heap_checker=no;; 49 *-darwin*) default_enable_heap_checker=no;; 50 esac 51 52 AC_ARG_ENABLE([cpu-profiler], 53 [AS_HELP_STRING([--disable-cpu-profiler], 54 [do not build the cpu profiler])], 55 [], 56 [enable_cpu_profiler="$default_enable_cpu_profiler"]) 57 AC_ARG_ENABLE([heap-profiler], 58 [AS_HELP_STRING([--disable-heap-profiler], 59 [do not build the heap profiler])], 60 [], 61 [enable_heap_profiler="$default_enable_heap_profiler"]) 62 AC_ARG_ENABLE([heap-checker], 63 [AS_HELP_STRING([--disable-heap-checker], 64 [do not build the heap checker])], 65 [], 66 [enable_heap_checker="$default_enable_heap_checker"]) 67 AC_ARG_ENABLE([debugalloc], 68 [AS_HELP_STRING([--disable-debugalloc], 69 [do not build versions of libs with debugalloc])], 70 [], 71 [enable_debugalloc="$default_enable_debugalloc"]) 72 AC_ARG_ENABLE([minimal], 73 [AS_HELP_STRING([--enable-minimal], 74 [build only tcmalloc-minimal (and maybe tcmalloc-minimal-debug)])], 75 [], 76 [enable_minimal="$default_enable_minimal"]) 77 if test "$enable_minimal" = yes; then 78 enable_cpu_profiler=no 79 enable_heap_profiler=no 80 enable_heap_checker=no 81 fi 82 83 84 # Checks for programs. 85 AC_PROG_CXX 86 AC_PROG_CC 87 AC_PROG_CPP 88 AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc 89 AM_PROG_CC_C_O # shrug: autogen.sh suddenly needs this for some reason 90 91 # Check if we have an objcopy installed that supports -W 92 AC_CHECK_TOOL([OBJCOPY], [objcopy], []) 93 AS_IF([test -n "$OBJCOPY"], [dnl 94 AC_CACHE_CHECK([if $OBJCOPY supports -W], gpt_cv_objcopy_weaken, [dnl 95 AC_LINK_IFELSE([void foo() {} int main() {return 0;}], [dnl 96 AS_IF(["$OBJCOPY" -W foo conftest$ac_exeext /dev/null], 97 [gpt_cv_objcopy_weaken=yes], [gpt_cv_objcopy_weaken=no])], 98 [gpt_cv_objcopy_weaken=no])])], 99 [gpt_cv_objcopy_weaken=no]) 100 AM_CONDITIONAL(HAVE_OBJCOPY_WEAKEN, test $gpt_cv_objcopy_weaken = yes) 101 102 case $host_os in 103 *mingw*) 104 # Disabling fast install keeps libtool from creating wrapper scripts 105 # around the executables it builds. Such scripts have caused failures on 106 # MinGW. Using this option means an extra link step is executed during 107 # "make install". 108 AC_DISABLE_FAST_INSTALL 109 ;; 110 *) 111 AC_ENABLE_FAST_INSTALL 112 ;; 113 esac 114 115 AC_PROG_LIBTOOL 116 AC_SUBST(LIBTOOL_DEPS) 117 AM_CONDITIONAL(USE_LIBTOOL, test "x$LIBTOOL" != "x") 118 119 AC_C_INLINE 120 AX_C___ATTRIBUTE__ 121 122 # Check whether some low-level functions/files are available 123 AC_HEADER_STDC 124 125 # TODO(csilvers): we could remove a lot when WITH_CPU_PROFILER etc is "no". 126 AC_CHECK_TYPES([__int64]) # defined in some windows platforms 127 AC_CHECK_TYPES([struct mallinfo],,, [#include <malloc.h>]) 128 AC_CHECK_TYPES([Elf32_Versym],,, [#include <elf.h>]) # for vdso_support.h 129 AC_CHECK_FUNCS(sbrk) # for tcmalloc to get memory 130 AC_CHECK_FUNCS(geteuid) # for turning off services when run as root 131 AC_CHECK_HEADERS(features.h) # for vdso_support.h 132 AC_CHECK_HEADERS(malloc.h) # some systems define stuff there, others not 133 AC_CHECK_HEADERS(sys/malloc.h) # where some versions of OS X put malloc.h 134 AC_CHECK_HEADERS(malloc/malloc.h) # another place OS X puts malloc.h (?) 135 AC_CHECK_HEADERS(glob.h) # for heap-profile-table (cleaning up profiles) 136 AC_CHECK_HEADERS(execinfo.h) # for stacktrace? and heapchecker_unittest 137 AC_CHECK_HEADERS(libunwind.h) # for stacktrace 138 AC_CHECK_HEADERS(unwind.h) # for stacktrace 139 AC_CHECK_HEADERS(sched.h) # for being nice in our spinlock code 140 AC_CHECK_HEADERS(conflict-signal.h) # defined on some windows platforms? 141 AC_CHECK_HEADERS(sys/prctl.h) # for thread_lister (needed by leak-checker) 142 AC_CHECK_HEADERS(linux/ptrace.h)# also needed by leak-checker 143 AC_CHECK_HEADERS(sys/syscall.h) 144 AC_CHECK_HEADERS(sys/socket.h) # optional; for forking out to symbolizer 145 AC_CHECK_HEADERS(sys/wait.h) # optional; for forking out to symbolizer 146 AC_CHECK_HEADERS(poll.h) # optional; for forking out to symbolizer 147 AC_CHECK_HEADERS(fcntl.h) # for tcmalloc_unittest 148 AC_CHECK_HEADERS(grp.h) # for heapchecker_unittest 149 AC_CHECK_HEADERS(pwd.h) # for heapchecker_unittest 150 AC_CHECK_HEADERS(sys/resource.h) # for memalign_unittest.cc 151 AC_CHECK_HEADERS(valgrind.h) # we have a local copy if this isn't found 152 AC_CHECK_HEADERS(sys/cdefs.h) # Where glibc defines __THROW 153 AC_CHECK_HEADERS(features.h) # Where __GLIBC__ is defined 154 # We also need <ucontext.h>/<sys/ucontext.h>, but we get those from 155 # AC_PC_FROM_UCONTEXT, below. 156 157 # We override a lot of memory allocation routines, not all of which are 158 # standard. For those the system doesn't declare, we'll declare ourselves. 159 AC_CHECK_DECLS([cfree, 160 posix_memalign, 161 memalign, 162 valloc, 163 pvalloc],,, 164 [#define _XOPEN_SOURCE 600 165 #include <stdlib.h> 166 #include <malloc.h>]) 167 168 if test "$ac_cv_type_struct_mallinfo" = yes; then 169 AC_SUBST(ac_cv_have_struct_mallinfo, 1) # gperftools/tcmalloc.h needs this 170 else 171 AC_SUBST(ac_cv_have_struct_mallinfo, 0) 172 fi 173 174 # We need to check for mmap. cygwin supports mmap, but the autoconf 175 # test doesn't work on cygwin: 176 # http://www.cygwin.com/ml/cygwin/2002-04/msg00412.html 177 # This workaround comes from 178 # http://cygwin.com/ml/cygwin/2004-11/msg00138.html 179 case "$host" in 180 *-*-cygwin*) 181 ac_cv_func_mmap_fixed_mapped=yes 182 AC_DEFINE(HAVE_MMAP, 1, 183 [Define to 1 if you have a working `mmap' system call.]) 184 ;; 185 *) AC_FUNC_MMAP 186 ;; 187 esac 188 189 # If AtomicWord != Atomic32, we need to define two versions of all the 190 # atomicops functions. If they're the same, we want to define only one. 191 AC_MSG_CHECKING([if int32_t is the same type as intptr_t]) 192 AC_TRY_COMPILE([#include <stdint.h>], 193 [int32_t v1 = 0; intptr_t v2 = 0; return (&v1 - &v2)], 194 [AC_DEFINE(INT32_EQUALS_INTPTR, 1, 195 Define to 1 if int32_t is equivalent to intptr_t) 196 AC_MSG_RESULT([yes])], 197 [AC_MSG_RESULT([no])]) 198 199 # We want to access the "PC" (Program Counter) register from a struct 200 # ucontext. Every system has its own way of doing that. We try all the 201 # possibilities we know about. Note REG_PC should come first (REG_RIP 202 # is also defined on solaris, but does the wrong thing). But don't 203 # bother if we're not doing cpu-profiling. 204 # [*] means that we've not actually tested one of these systems 205 if test "$enable_cpu_profiler" = yes; then 206 AC_PC_FROM_UCONTEXT(AC_MSG_WARN(Could not find the PC. Will not try to compile libprofiler...); 207 enable_cpu_profiler=no) 208 fi 209 210 # Some tests test the behavior of .so files, and only make sense for dynamic. 211 AM_CONDITIONAL(ENABLE_STATIC, test "$enable_static" = yes) 212 213 # We want to link in libunwind if it exists 214 AC_CHECK_LIB(unwind, backtrace, UNWIND_LIBS=-lunwind, UNWIND_LIBS=) 215 AC_SUBST(UNWIND_LIBS) 216 217 # On x86_64, instead of libunwind, we can choose to compile with frame-pointers 218 # (This isn't needed on i386, where -fno-omit-frame-pointer is the default). 219 AC_ARG_ENABLE(frame_pointers, 220 AS_HELP_STRING([--enable-frame-pointers], 221 [On x86_64 systems, compile with -fno-omit-frame-pointer (see INSTALL)]), 222 , enable_frame_pointers=no) 223 AM_CONDITIONAL(ENABLE_FRAME_POINTERS, test "$enable_frame_pointers" = yes) 224 225 # Some x86_64 systems do not insert frame pointers by default (all 226 # i386 systems that I know of, do. I don't know about non-x86 chips). 227 # We want to see if the current system is one of those. 228 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [return __x86_64__ == 1 ? 0 : 1])], 229 [is_x86_64=yes], [is_x86_64=no]) 230 OLD_CFLAGS="$CFLAGS" 231 CFLAGS="$CFLAGS -S -O2 -o fp.s" 232 # This test will always fail because we don't name our output file properly. 233 # We do our own determination of success/failure in the grep, below. 234 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int f(int x) {return x;}], [return f(0);])], 235 [:], [:]) 236 AM_CONDITIONAL(X86_64_AND_NO_FP_BY_DEFAULT, 237 test "$is_x86_64" = yes && ! grep 'mov.*rsp.*rbp' fp.s >/dev/null 2>&1) 238 rm fp.s 239 CFLAGS="$OLD_CFLAGS" 240 241 # We need to know if we're i386 so we can turn on -mmms, which is not 242 # on by default for i386 (it is for x86_64). 243 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [return __i386__ == 1 ? 0 : 1])], 244 [is_i386=yes], [is_i386=no]) 245 AM_CONDITIONAL(I386, test "$is_i386" = yes) 246 247 # See if the compiler supports -Wno-unused-result. 248 # Newer ubuntu's turn on -D_FORTIFY_SOURCE=2, enabling 249 # __attribute__((warn_unused_result)) for things like write(), 250 # which we don't care about. 251 AC_CACHE_CHECK([if the compiler supports -Wno-unused-result], 252 perftools_cv_w_no_unused_result, 253 [OLD_CFLAGS="$CFLAGS" 254 CFLAGS="$CFLAGS -Wno-error -Wno-unused-result" 255 # gcc doesn't warn about unknown flags unless it's 256 # also warning for some other purpose, hence the 257 # divide-by-0. (We use -Wno-error to make sure the 258 # divide-by-0 doesn't cause this test to fail!) 259 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, return 1/0)], 260 perftools_cv_w_no_unused_result=yes, 261 perftools_cv_w_no_unused_result=no) 262 CFLAGS="$OLD_CFLAGS"]) 263 AM_CONDITIONAL(HAVE_W_NO_UNUSED_RESULT, 264 test "$perftools_cv_w_no_unused_result" = yes) 265 266 # Defines PRIuS 267 AC_COMPILER_CHARACTERISTICS 268 269 # Also make sure we get standard PRI... definitions, even with glibc. 270 # We have to use AH_VERBATIM because we need the #ifdef guard (gcc buglet) 271 AH_VERBATIM([__STDC_FORMAT_MACROS], 272 [/* C99 says: define this to get the PRI... macros from stdint.h */ 273 #ifndef __STDC_FORMAT_MACROS 274 # define __STDC_FORMAT_MACROS 1 275 #endif]) 276 277 # Check if __builtin_stack_pointer() is available (for elfcore.h) 278 AC_MSG_CHECKING([for __builtin_stack_pointer()]) 279 AC_LINK_IFELSE([AC_LANG_PROGRAM(, [void *sp = __builtin_stack_pointer()])], 280 [AC_DEFINE(HAVE_BUILTIN_STACK_POINTER, 1, 281 Define to 1 if compiler supports __builtin_stack_pointer) 282 AC_MSG_RESULT([yes])], 283 [AC_MSG_RESULT([no])]) 284 285 # Check if __environ is available (for GetenvBeforeMain) 286 AC_MSG_CHECKING([for __environ]) 287 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], 288 [char **env = __environ])], 289 [AC_DEFINE(HAVE___ENVIRON, 1, 290 [Define to 1 if compiler supports __environ]) 291 AC_MSG_RESULT([yes])], 292 [AC_MSG_RESULT([no])]) 293 294 # If we support __thread, that can speed up tcmalloc a bit. 295 # Note, however, that our code tickles a bug in gcc < 4.1.2 296 # involving TLS and -fPIC (which our libraries will use) on x86: 297 # http://gcc.gnu.org/ml/gcc-bugs/2006-09/msg02275.html 298 AC_MSG_CHECKING([for __thread]) 299 AC_LINK_IFELSE([AC_LANG_PROGRAM([#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && ((__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 1) || (__GNUC__ == 4 && __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ < 2)) 300 #error gcc has this bug: http://gcc.gnu.org/ml/gcc-bugs/2006-09/msg02275.html 301 #endif], [static __thread int p = 0])], 302 [AC_DEFINE(HAVE_TLS, 1, 303 Define to 1 if compiler supports __thread) 304 AC_MSG_RESULT([yes])], 305 [AC_MSG_RESULT([no])]) 306 307 # glibc's __malloc_hook/etc were declared volatile starting in glibc 2.14 308 AC_MSG_CHECKING([if __malloc_hook is declared volatile]) 309 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <malloc.h> 310 void* (* volatile __malloc_hook)(size_t, const void*) = 0;],)], 311 [AC_DEFINE(MALLOC_HOOK_MAYBE_VOLATILE, volatile, 312 Define to 'volatile' if __malloc_hook is declared volatile) 313 AC_MSG_RESULT([yes])], 314 [AC_DEFINE(MALLOC_HOOK_MAYBE_VOLATILE, ) 315 AC_MSG_RESULT([no])]) 316 317 # Nanosleep requires extra libraries on some architectures (solaris). 318 # This sets NANOSLEEP_LIBS. nanosleep doesn't exist on mingw, which 319 # is fine for us because we don't compile libspinlock, which uses it. 320 if test "$need_nanosleep" = yes; then 321 ACX_NANOSLEEP 322 AC_SUBST(NANOSLEEP_LIBS) 323 fi 324 325 # Solaris 10 6/06 has a bug where /usr/sfw/lib/libstdc++.la is empty. 326 # If so, we replace it with our own version. 327 LIBSTDCXX_LA_LINKER_FLAG= 328 if test -f /usr/sfw/lib/libstdc++.la && ! test -s /usr/sfw/lib/libstdc++.la 329 then 330 LIBSTDCXX_LA_LINKER_FLAG='-L$(top_srcdir)/src/solaris' 331 fi 332 AC_SUBST(LIBSTDCXX_LA_LINKER_FLAG) 333 334 # We also need to check if the kernel supports __thread, which requires uname() 335 AC_CHECK_DECLS(uname,,, [#include <sys/utsname.h>]) 336 337 # In fact, a lot of the code in this directory depends on pthreads 338 ACX_PTHREAD 339 340 # Find out what namespace 'normal' STL code lives in 341 AC_CXX_STL_NAMESPACE 342 343 # Figure out where libc has program_invocation_name 344 AC_PROGRAM_INVOCATION_NAME 345 346 # Make the install prefix available, to figure out where to look for pprof 347 AC_INSTALL_PREFIX 348 349 # For windows, this has a non-trivial value (__declspec(export)), but any 350 # system that uses configure wants this to be the empty string. 351 AC_DEFINE(PERFTOOLS_DLL_DECL,, 352 [Always the empty-string on non-windows systems. 353 On windows, should be "__declspec(dllexport)". 354 This way, when we compile the dll, we export our functions/classes. 355 It's safe to define this here because config.h is only used 356 internally, to compile the DLL, and every DLL source file 357 #includes "config.h" before anything else.]) 358 359 # In theory, config.h files shouldn't need a header guard, but we do, 360 # because we (maybe) #include windows/mingw.h from within config.h, 361 # and it #includes other .h files. These all have header guards, so 362 # the end result is if config.h is #included twice, its #undefs get 363 # evaluated twice, but all the ones in mingw.h/etc only get evaluated 364 # once, potentially causing trouble. c.f. 365 # http://code.google.com/p/gperftools/issues/detail?id=246 366 AH_TOP([ 367 #ifndef GPERFTOOLS_CONFIG_H_ 368 #define GPERFTOOLS_CONFIG_H_ 369 ]) 370 371 AH_VERBATIM([PTHREADS_CRASHES_IF_RUN_TOO_EARLY], 372 [/* Mark the systems where we know it's bad if pthreads runs too 373 early before main (before threads are initialized, presumably). */ 374 #ifdef __FreeBSD__ 375 #define PTHREADS_CRASHES_IF_RUN_TOO_EARLY 1 376 #endif]) 377 378 # MinGW uses autoconf, but also needs the windows shim routines 379 # (since it doesn't have its own support for, say, pthreads). 380 # This requires us to #include a special header file, and also to 381 # link in some windows versions of .o's instead of the unix versions. 382 # 383 # Also, manually mark systems where we have to be careful how early 384 # we run pthreads. TODO(csilvers): turn this into an autoconf check. 385 AH_BOTTOM([ 386 #ifdef __MINGW32__ 387 #include "windows/mingw.h" 388 #endif 389 390 #endif /* #ifndef GPERFTOOLS_CONFIG_H_ */ 391 ]) 392 AM_CONDITIONAL(MINGW, expr $host : '.*-mingw' >/dev/null 2>&1) 393 AM_CONDITIONAL(OSX, expr $host : '.*-apple-darwin.*' >/dev/null 2>&1) 394 395 # Redhat 7 (and below?) has sys/ucontext.h, but if you try to #include 396 # it directly, the compiler gets upset. So we pretend we don't have 397 # it. 398 if cat /etc/redhat-release 2>/dev/null | grep "Red Hat Linux release 7" >/dev/null 2>&1; then 399 AC_DEFINE(HAVE_SYS_UCONTEXT_H, 0, [<sys/ucontext.h> is broken on redhat 7]) 400 fi 401 402 # Export the --enable flags we set above. We do this at the end so 403 # other configure rules can enable or disable targets based on what 404 # they find. 405 AM_CONDITIONAL(WITH_CPU_PROFILER, test "$enable_cpu_profiler" = yes) 406 AM_CONDITIONAL(WITH_HEAP_PROFILER, test "$enable_heap_profiler" = yes) 407 AM_CONDITIONAL(WITH_HEAP_CHECKER, test "$enable_heap_checker" = yes) 408 AM_CONDITIONAL(WITH_DEBUGALLOC, test "$enable_debugalloc" = yes) 409 # We make tcmalloc.so if either heap-profiler or heap-checker is asked for. 410 AM_CONDITIONAL(WITH_HEAP_PROFILER_OR_CHECKER, 411 test "$enable_heap_profiler" = yes -o \ 412 "$enable_heap_checker" = yes) 413 # If we don't use any profilers, we don't need stack traces (or pprof) 414 AM_CONDITIONAL(WITH_STACK_TRACE, test "$enable_cpu_profiler" = yes -o \ 415 "$enable_heap_profiler" = yes -o \ 416 "$enable_heap_checker" = yes) 417 418 # Write generated configuration file 419 AC_CONFIG_FILES([Makefile 420 src/gperftools/tcmalloc.h src/windows/gperftools/tcmalloc.h]) 421 AC_OUTPUT 422
