## Process this file with autoconf to produce configure. ## In general, the safest way to proceed is to run ./autogen.sh # make sure we're interpreted by some minimal autoconf AC_PREREQ([2.69]) AC_INIT([gperftools],[2.16],[gperftools@googlegroups.com]) # Update this value for every release! (A:B:C will map to foo.so.(A-C).C.B) # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html TCMALLOC_SO_VERSION=9:18:5 PROFILER_SO_VERSION=5:13:5 TCMALLOC_AND_PROFILER_SO_VERSION=10:13:6 AC_SUBST(TCMALLOC_SO_VERSION) AC_SUBST(PROFILER_SO_VERSION) AC_SUBST(TCMALLOC_AND_PROFILER_SO_VERSION) # The argument here is just something that should be in the current directory # (for sanity checking) AC_CONFIG_SRCDIR(README) AC_CONFIG_MACRO_DIR([m4]) AC_CANONICAL_HOST AM_INIT_AUTOMAKE([dist-zip foreign tar-ustar]) AC_CONFIG_HEADERS([src/config.h]) AM_MAINTAINER_MODE() # Export the version information (for tc_version and friends) TC_VERSION_MAJOR=`expr "$PACKAGE_VERSION" : '\([[0-9]]*\)'` TC_VERSION_MINOR=`expr "$PACKAGE_VERSION" : '[[0-9]]*\.\([[0-9]]*\)'` TC_VERSION_PATCH=`expr "$PACKAGE_VERSION" : '[[0-9]]*\.[[0-9]]*\(.*\)$'` AC_SUBST(TC_VERSION_MAJOR) AC_SUBST(TC_VERSION_MINOR) AC_SUBST(TC_VERSION_PATCH) AC_SUBST(PACKAGE_STRING) # The user can choose not to compile in the heap-profiler, , or the # cpu-profiler. There's also the possibility for a 'fully minimal' # compile, which leaves out the stacktrace code as well. By default, # we include all of these that the target system supports. default_enable_cpu_profiler=yes default_enable_heap_profiler=yes default_enable_debugalloc=yes default_enable_minimal=no default_tcmalloc_alignment=16 need_nanosleep=yes # Used later, to decide if to run ACX_NANOSLEEP case "$host" in *-mingw*) default_enable_minimal=yes; default_enable_debugalloc=no; need_nanosleep=no;; *-cygwin*) default_enable_cpu_profiler=no;; esac # Currently only backtrace works on s390 and OSX. AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [ #if !defined(__s390__) && !defined(__APPLE__) #error not s390 and not osx #endif return 1 ])], [default_enable_libunwind=no default_enable_backtrace=yes], [default_enable_libunwind=yes default_enable_backtrace=no]) # Disable libunwind linking on ppc64 by default. AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [return __PPC64__])], [default_enable_libunwind=no default_tcmalloc_pagesize=64], [default_enable_libunwind=yes default_tcmalloc_pagesize=8]) AC_ARG_ENABLE([cpu-profiler], [AS_HELP_STRING([--disable-cpu-profiler], [do not build the cpu profiler])], [], [enable_cpu_profiler="$default_enable_cpu_profiler"]) AC_ARG_ENABLE([heap-profiler], [AS_HELP_STRING([--disable-heap-profiler], [do not build the heap profiler])], [], [enable_heap_profiler="$default_enable_heap_profiler"]) AC_ARG_ENABLE([debugalloc], [AS_HELP_STRING([--disable-debugalloc], [do not build versions of libs with debugalloc])], [], [enable_debugalloc="$default_enable_debugalloc"]) AC_ARG_ENABLE([minimal], [AS_HELP_STRING([--enable-minimal], [build only tcmalloc-minimal (and maybe tcmalloc-minimal-debug)])], [], [enable_minimal="$default_enable_minimal"]) if test "$enable_minimal" = yes; then enable_cpu_profiler=no enable_heap_profiler=no fi AC_ARG_ENABLE([stacktrace-via-backtrace], [AS_HELP_STRING([--enable-stacktrace-via-backtrace], [enable use of backtrace() for stacktrace capturing (may deadlock)])], [enable_backtrace=yes], [enable_backtrace="$default_enable_backtrace"]) AC_ARG_ENABLE([libgcc-unwinder-by-default], [AS_HELP_STRING([--enable-libgcc-unwinder-by-default], [prefer libgcc's _Unwind_Backtrace as default stacktrace capturing method])], [enable_libgcc_by_default=yes], [enable_libgcc_by_default=no]) AS_IF([test "x$enable_libgcc_by_default" = xyes], [AC_DEFINE(PREFER_LIBGCC_UNWINDER, 1, [if libgcc stacktrace method should be default])]) AC_ARG_ENABLE([libunwind], [AS_HELP_STRING([--enable-libunwind], [enable libunwind linking])], [], [enable_libunwind="$default_enable_libunwind"]) AC_ARG_WITH([tcmalloc-pagesize], [AS_HELP_STRING([--with-tcmalloc-pagesize], [Set the tcmalloc internal page size to 4K, 8K, 16K, 32K, 64K, 128K or 256K])], [], [with_tcmalloc_pagesize=$default_tcmalloc_pagesize]) AC_ARG_WITH([tcmalloc-alignment], [AS_HELP_STRING([--with-tcmalloc-alignment], [Set the tcmalloc allocation alignment to 8 or 16 bytes])], [], [with_tcmalloc_alignment=$default_tcmalloc_alignment]) case "$with_tcmalloc_pagesize" in 4) AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 12);; 8) #Default tcmalloc page size. ;; 16) AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 14);; 32) AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 15);; 64) AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 16);; 128) AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 17);; 256) AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 18, [Define internal page size for tcmalloc as number of left bitshift]);; *) AC_MSG_WARN([${with_tcmalloc_pagesize}K size not supported, using default tcmalloc page size.]) esac case "$with_tcmalloc_alignment" in 8) AC_DEFINE(TCMALLOC_ALIGN_8BYTES, 1, [Define 8 bytes of allocation alignment for tcmalloc]);; 16) #Default tcmalloc allocation alignment. ;; *) AC_MSG_WARN([${with_tcmalloc_alignment} bytes not supported, using default tcmalloc allocation alignment.]) esac # Checks for programs. AC_PROG_CXX AC_LANG([C++]) AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc AX_CXX_COMPILE_STDCXX(17, ext, mandatory) LT_INIT # Lets try enable frame pointers to enable simpler stacktrace # capturing methods, but keep performace for critical bits with # -momit-leaf-frame-pointer. However, we should be conservative so # that we don't disable leaf frame pointers on whatever architectures # that have them enabled by default. AC_CACHE_CHECK( [compiler and target supports -fno-omit-frame-pointer -momit-leaf-frame-pointer], [ac_cv_frame_pointer_cflags], [OLD_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS -fno-omit-frame-pointer -momit-leaf-frame-pointer" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( #if !(__i386__ || __x86_64__ || __riscv || __aarch64__) #error unsupported arch #endif )], [ac_cv_frame_pointer_cflags=yes], [ac_cv_frame_pointer_cflags=no]) CXXFLAGS="$OLD_CXXFLAGS"]) AM_CONDITIONAL(ENABLE_FP_FLAGS, [test "x$ac_cv_frame_pointer_cflags" = "xyes"]) # Clang-only (so far?) -Wthread-safety is a useful thing. We want. AC_CACHE_CHECK( [compiler and target supports -Wthread-safety], [ac_cv_w_thread_safety], [OLD_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS -Wthread-safety" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([], [])], [ac_cv_w_thread_safety=yes], [ac_cv_w_thread_safety=no]) CXXFLAGS="$OLD_CXXFLAGS"]) AM_CONDITIONAL(ENABLE_W_THREAD_SAFETY, [test "x$ac_cv_w_thread_safety" = "xyes"]) AX_C___ATTRIBUTE__ AC_MSG_CHECKING(for __attribute__((aligned(N))) on functions) AC_CACHE_VAL(ac_cv___attribute__aligned_fn, [ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include void foo(void) __attribute__((aligned(128))); void foo(void) { exit(1); }]], [[]])],[ac_cv___attribute__aligned_fn=yes],[ac_cv___attribute__aligned_fn=no ])]) if test "$ac_cv___attribute__aligned_fn" = "yes"; then AC_DEFINE(HAVE___ATTRIBUTE__ALIGNED_FN, 1, [define if your compiler supports alignment of functions]) fi AC_MSG_RESULT($ac_cv___attribute__aligned_fn) # TODO(csilvers): we could remove a lot when WITH_CPU_PROFILER etc is "no". AC_CHECK_TYPES([struct mallinfo],,, [#include ]) AC_CHECK_TYPES([struct mallinfo2],,, [#include ]) AC_CHECK_FUNCS(sbrk) # for tcmalloc to get memory AC_CHECK_FUNCS(geteuid) # for turning off services when run as root AC_CHECK_HEADERS(features.h) # for vdso_support.h, __GLIBC__ macros AC_CHECK_HEADERS(malloc.h) # some systems define stuff there, others not AC_CHECK_HEADERS(glob.h) # for heap-profile-table (cleaning up profiles) dnl TODO; FIXME AC_CHECK_HEADERS(execinfo.h) # for stacktrace AC_CHECK_HEADERS(unwind.h) # for stacktrace AC_CHECK_HEADERS(sched.h) # for being nice in our spinlock code AC_CHECK_HEADERS(sys/syscall.h) AC_CHECK_HEADERS(sys/socket.h) # optional; for forking out to symbolizer AC_CHECK_HEADERS(sys/wait.h) # optional; for forking out to symbolizer AC_CHECK_HEADERS(poll.h) # optional; for forking out to symbolizer AC_CHECK_HEADERS(fcntl.h) # for tcmalloc_unittest AC_CHECK_HEADERS(sys/cdefs.h) # Where glibc defines __THROW AC_CHECK_HEADERS(sys/ucontext.h) AC_CHECK_HEADERS(ucontext.h) AC_CHECK_HEADERS(cygwin/signal.h) # ucontext on cywgin AC_CHECK_HEADERS(asm/ptrace.h) # get ptrace macros, e.g. PT_NIP # check for socketpair, some system, such as QNX, need link in an socket library to use it AC_SEARCH_LIBS([socketpair], [socket]) REGEX_LIBS= # "sufficiently unix" systems need regexec for unit tests if test "x$need_nanosleep" = xyes; then save_LIBS="$LIBS" LIBS="$REGEX_LIBS" # QNX needs -lregex; but lets test just in case AC_SEARCH_LIBS([regexec], [regex], [], [AC_MSG_ERROR([failed to locate regexec() (used for tests)])]) REGEX_LIBS="$LIBS" LIBS="$save_LIBS" fi AC_SUBST(REGEX_LIBS) # We override a lot of memory allocation routines, not all of which are # standard. For those the system doesn't declare, we'll declare ourselves. AC_CHECK_DECLS([cfree, posix_memalign, memalign, valloc, pvalloc],,, [#define _XOPEN_SOURCE 600 #define _QNX_SOURCE 1 #include #include ]) if test "$ac_cv_type_struct_mallinfo" = yes; then AC_SUBST(ac_cv_have_struct_mallinfo, 1) # gperftools/tcmalloc.h needs this else AC_SUBST(ac_cv_have_struct_mallinfo, 0) fi if test "$ac_cv_type_struct_mallinfo2" = yes; then AC_SUBST(ac_cv_have_struct_mallinfo2, 1) # gperftools/tcmalloc.h needs this else AC_SUBST(ac_cv_have_struct_mallinfo2, 0) fi # We hardcode HAVE_MMAP to 1. There are no interesting systems anymore # without functional mmap. And our windows (except mingw) builds # aren't using autoconf. So we keep HAVE_MMAP define, but only to # distingush windows and rest. case "$host" in *-mingw*) default_emergency_malloc=no;; *) default_emergency_malloc=yes AC_DEFINE(HAVE_MMAP, 1, [Define to 1 if you have a working `mmap' system call.]) esac # We want to access the "PC" (Program Counter) register from a struct # ucontext. Every system has its own way of doing that. But in case # we're dealing with unknown system, we have to check if GetPC # actually works. But don't bother if we're not doing cpu-profiling. if test "$enable_cpu_profiler" = yes; then OLD_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS -I$srcdir/src" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include "getpc.h"]], [GetPC({})])], [], [AC_MSG_WARN(Could not find the PC. Will not try to compile libprofiler...) enable_cpu_profiler=no]) CXXFLAGS="$OLD_CXXFLAGS" fi # Some tests test the behavior of .so files, and only make sense for dynamic. AM_CONDITIONAL(ENABLE_STATIC, test "$enable_static" = yes) # We want to link in libunwind if it is enabled and exists. UNWIND_LIBS= if test "$enable_libunwind" = yes; then AC_CHECK_HEADERS([libunwind.h], [AC_CHECK_LIB(unwind, backtrace, [UNWIND_LIBS=-lunwind AC_DEFINE([USE_LIBUNWIND], [1], [libunwind.h was found and is working]) will_use_libunwind=yes])]) fi AC_SUBST(UNWIND_LIBS) AC_ARG_ENABLE(frame_pointers, AS_HELP_STRING([--enable-frame-pointers], [Add -fno-omit-frame-pointer to compile flags]), , enable_frame_pointers=no) AM_CONDITIONAL(ENABLE_FRAME_POINTERS, test "$enable_frame_pointers" = yes) AC_ARG_ENABLE([deprecated-pprof], [AS_HELP_STRING([--disable-deprecated-pprof], [do not install old deprecated and unmaintained bundled pprof (see github.com/google/pprof for supported version)])], [enable_pprof="$enableval"], [enable_pprof=yes]) AM_CONDITIONAL(INSTALL_PPROF, [test "x$enable_pprof" = xyes]) AC_ARG_ENABLE([dynamic-sized-delete-support], [AS_HELP_STRING([--enable-dynamic-sized-delete-support], [try to build run-time switch for sized delete operator])], [enable_dyn_sized_delete="$enableval"], [enable_dyn_sized_delete=no]) AS_IF([test "x$enable_dyn_sized_delete" = xyes], [AC_DEFINE([ENABLE_DYNAMIC_SIZED_DELETE], 1, [Build runtime detection for sized delete])]) AC_ARG_ENABLE([sized-delete], [AS_HELP_STRING([--enable-sized-delete], [build sized delete operator])], [enable_sized_delete="$enableval"], [enable_sized_delete="no"]) AS_IF([test "x$enable_sized_delete" = xyes], [AC_DEFINE([ENABLE_SIZED_DELETE], 1, [Build sized deletion operators]) AC_MSG_NOTICE([Will build sized deallocation operators])], [AS_IF([test "x$enable_dyn_sized_delete" = xyes], [AC_MSG_NOTICE([Will build dynamically detected sized deallocation operators])], [AC_MSG_NOTICE([Will build sized deallocation operators that ignore size])])]) AC_CACHE_CHECK([if C++ compiler supports -fsized-deallocation], [perftools_cv_sized_deallocation_result], [OLD_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS -fsized-deallocation" AC_LINK_IFELSE([AC_LANG_PROGRAM( [[#include #include ]], [[static void (* volatile ptr)(void *, size_t) = ::operator delete; (*ptr)(0, 256);]])], perftools_cv_sized_deallocation_result=yes, perftools_cv_sized_deallocation_result=no) CXXFLAGS="$OLD_CXXFLAGS"]) AM_CONDITIONAL(HAVE_SIZED_DEALLOCATION, test "$perftools_cv_sized_deallocation_result" = yes) AC_CACHE_CHECK([if target has _Unwind_Backtrace], [perftools_cv_have_unwind_backtrace], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [[#include #if defined(__APPLE__) || defined(__FreeBSD__) #error OSX and FreeBSD _Unwind_Backtrace recurses back to malloc #endif ]], [[&_Unwind_Backtrace]])], [perftools_cv_have_unwind_backtrace=yes], [perftools_cv_have_unwind_backtrace=no])]) AS_IF([test "x$perftools_cv_have_unwind_backtrace" = xyes], [AC_DEFINE(HAVE_UNWIND_BACKTRACE, 1, [Whether contains _Unwind_Backtrace])]) AS_IF([test "x$will_use_libunwind" = xyes], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [return __arm__])], [default_emergency_malloc=yes])]) AC_ARG_ENABLE([emergency-malloc], [AS_HELP_STRING([--enable-emergency-malloc], [build emergency malloc feature])], [enable_emergency_malloc="$enableval"], [enable_emergency_malloc="$default_emergency_malloc"]) AM_CONDITIONAL(BUILD_EMERGENCY_MALLOC, [test "x$enable_emergency_malloc" = xyes]) # Also make sure we get standard PRI... definitions, even with glibc. # We have to use AH_VERBATIM because we need the #ifdef guard (gcc buglet) AH_VERBATIM([__STDC_FORMAT_MACROS], [/* C99 says: define this to get the PRI... macros from stdint.h */ #ifndef __STDC_FORMAT_MACROS # define __STDC_FORMAT_MACROS 1 #endif]) # Check if __environ is available (for GetenvBeforeMain) AC_MSG_CHECKING([for __environ]) AC_LINK_IFELSE([AC_LANG_PROGRAM([#include ], [char **env = __environ])], [AC_DEFINE(HAVE___ENVIRON, 1, [Define to 1 if compiler supports __environ]) AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])]) # Nanosleep requires extra libraries on some architectures (solaris). # This sets NANOSLEEP_LIBS. nanosleep doesn't exist on mingw, which # is fine for us because we don't compile libspinlock, which uses it. if test "$need_nanosleep" = yes; then ACX_NANOSLEEP AC_SUBST(NANOSLEEP_LIBS) fi # In fact, a lot of the code in this directory depends on pthreads AX_PTHREAD # Figure out where libc has program_invocation_name AC_PROGRAM_INVOCATION_NAME dnl only very recent mingw has sleep and nanosleep case "$host" in *-mingw*) AC_CHECK_DECLS([sleep], [], [], [#include ]) AC_CHECK_DECLS([nanosleep], [], [], [#include ]) ;; esac if test "x$enable_backtrace" = xyes; then AC_CHECK_DECLS([backtrace], [], [], [#include ]) save_LIBS=$LIBS LIBS=$UNWIND_LIBS AC_SEARCH_LIBS([backtrace], [execinfo]) UNWIND_LIBS=$LIBS LIBS=$save_LIBS fi STACKTRACE_UNITTEST_LIBS= AS_IF([test "x$ac_cv_header_execinfo_h" = xyes], AS_IF([test "x$enable_cpu_profiler" = xyes -o "x$enable_heap_profiler" = xyes], [AC_CHECK_DECLS([backtrace_symbols], [], [], [#include ]) save_LIBS=$LIBS LIBS= AC_SEARCH_LIBS([backtrace_symbols], [execinfo]) STACKTRACE_UNITTEST_LIBS=$LIBS LIBS=$save_LIBS])) AC_SUBST(STACKTRACE_UNITTEST_LIBS) AC_ARG_ENABLE([hidden-visibility], [AS_HELP_STRING([--enable-hidden-visibility], [build libraries with -fvisibility=hidden])], [enable_visibility=yes], [enable_visibility=no]) AC_DEFINE([PERFTOOLS_DLL_DECL], [], [dllexport or attribute visibility]) AS_IF([test "x$enable_visibility" = xyes], [AC_DEFINE([PERFTOOLS_DLL_DECL], [__attribute((visibility("default")))], []) CXXFLAGS="-fvisibility=hidden $CXXFLAGS"]) # In theory, config.h files shouldn't need a header guard. # Now there were historical reasons for doing so # https://github.com/gperftools/gperftools/issues/248 # but these days we are keeping it mostly for consistency and safety. AH_TOP([ #ifndef GPERFTOOLS_CONFIG_H_ #define GPERFTOOLS_CONFIG_H_ ]) # MinGW uses autoconf, but also needs the windows shim routines # (since it doesn't have its own support for, say, pthreads). # This requires us to #include a special header file, and also to # link in some windows versions of .o's instead of the unix versions. # # Also, manually mark systems where we have to be careful how early # we run pthreads. TODO(csilvers): turn this into an autoconf check. AH_BOTTOM([ #ifdef WIN32 // TODO(csilvers): include windows/port.h in every relevant source file instead? #include "windows/port.h" #endif #endif /* #ifndef GPERFTOOLS_CONFIG_H_ */ ]) AM_CONDITIONAL(MINGW, expr $host : '.*-mingw' >/dev/null 2>&1) AM_CONDITIONAL(OSX, expr $host : '.*-apple-darwin.*' >/dev/null 2>&1) # Export the --enable flags we set above. We do this at the end so # other configure rules can enable or disable targets based on what # they find. AM_CONDITIONAL(WITH_CPU_PROFILER, test "$enable_cpu_profiler" = yes) AM_CONDITIONAL(WITH_HEAP_PROFILER, test "$enable_heap_profiler" = yes) AM_CONDITIONAL(WITH_DEBUGALLOC, test "$enable_debugalloc" = yes) # We make tcmalloc.so if either heap-profiler or heap-checker is asked for. # TODO/FIXME AM_CONDITIONAL(WITH_HEAP_PROFILER_OR_CHECKER, test "$enable_heap_profiler" = yes) # If we don't use any profilers, we don't need stack traces (or pprof) AM_CONDITIONAL(WITH_STACK_TRACE, test "$enable_cpu_profiler" = yes -o \ "$enable_heap_profiler" = yes) have_linux_sigev_thread_id=no AC_MSG_CHECKING([for Linux SIGEV_THREAD_ID]) AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include #include ]], [[return SIGEV_THREAD_ID || CLOCK_THREAD_CPUTIME_ID || __linux;]])], [AC_DEFINE(HAVE_LINUX_SIGEV_THREAD_ID, 1, [Define if this is Linux that has SIGEV_THREAD_ID]) have_linux_sigev_thread_id=yes AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])]) # Disable large allocation report by default. AC_ARG_ENABLE([large-alloc-report], [AS_HELP_STRING([--enable-large-alloc-report], [report very large allocations to stderr])], [enable_large_alloc_report="$enableval"], [enable_large_alloc_report=no]) AS_IF([test "x$enable_large_alloc_report" = xyes], [AC_DEFINE([ENABLE_LARGE_ALLOC_REPORT], 1, [report large allocation])]) # Enable aggressive decommit by default AC_ARG_ENABLE([aggressive-decommit-by-default], [AS_HELP_STRING([--enable-aggressive-decommit-by-default], [enable aggressive decommit by default])], [enable_aggressive_decommit_by_default="$enableval"], [enable_aggressive_decommit_by_default=no]) AS_IF([test "x$enable_aggressive_decommit_by_default" = xyes], [AC_DEFINE([ENABLE_AGGRESSIVE_DECOMMIT_BY_DEFAULT], 1, [enable aggressive decommit by default])]) # Write generated configuration file # NOTE: vsprojects/gperftools/tcmalloc.h is checked in AC_CONFIG_FILES([Makefile src/gperftools/tcmalloc.h vsprojects/include/gperftools/tcmalloc.h:src/gperftools/tcmalloc.h.in ]) AC_OUTPUT