586 lines
24 KiB
Plaintext
586 lines
24 KiB
Plaintext
## Process this file with autoconf to produce configure.
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## In general, the safest way to proceed is to run ./autogen.sh
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# make sure we're interpreted by some minimal autoconf
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AC_PREREQ([2.69])
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AC_INIT([gperftools],[2.16],[gperftools@googlegroups.com])
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# Update this value for every release! (A:B:C will map to foo.so.(A-C).C.B)
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# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
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TCMALLOC_SO_VERSION=9:18:5
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PROFILER_SO_VERSION=5:13:5
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TCMALLOC_AND_PROFILER_SO_VERSION=10:13:6
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AC_SUBST(TCMALLOC_SO_VERSION)
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AC_SUBST(PROFILER_SO_VERSION)
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AC_SUBST(TCMALLOC_AND_PROFILER_SO_VERSION)
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# The argument here is just something that should be in the current directory
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# (for sanity checking)
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AC_CONFIG_SRCDIR(README)
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AC_CONFIG_MACRO_DIR([m4])
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AC_CANONICAL_HOST
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AM_INIT_AUTOMAKE([dist-zip foreign tar-ustar])
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AC_CONFIG_HEADERS([src/config.h])
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AM_MAINTAINER_MODE()
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# Export the version information (for tc_version and friends)
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TC_VERSION_MAJOR=`expr "$PACKAGE_VERSION" : '\([[0-9]]*\)'`
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TC_VERSION_MINOR=`expr "$PACKAGE_VERSION" : '[[0-9]]*\.\([[0-9]]*\)'`
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TC_VERSION_PATCH=`expr "$PACKAGE_VERSION" : '[[0-9]]*\.[[0-9]]*\(.*\)$'`
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AC_SUBST(TC_VERSION_MAJOR)
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AC_SUBST(TC_VERSION_MINOR)
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AC_SUBST(TC_VERSION_PATCH)
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AC_SUBST(PACKAGE_STRING)
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# The user can choose not to compile in the heap-profiler, the
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# heap-checker, or the cpu-profiler. There's also the possibility
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# for a 'fully minimal' compile, which leaves out the stacktrace
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# code as well. By default, we include all of these that the
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# target system supports.
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default_enable_cpu_profiler=yes
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default_enable_heap_profiler=yes
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# heap checker is Linux-only.
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default_enable_heap_checker=no
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heap_checker_supported=no
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default_enable_debugalloc=yes
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default_enable_minimal=no
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default_tcmalloc_alignment=16
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heap_checker_is_default=no
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need_nanosleep=yes # Used later, to decide if to run ACX_NANOSLEEP
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case "$host" in
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*-mingw*) default_enable_minimal=yes; default_enable_debugalloc=no;
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need_nanosleep=no;;
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*-cygwin*) default_enable_cpu_profiler=no;;
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*-linux*) default_enable_heap_checker=yes; heap_checker_supported=yes;;
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esac
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# Currently only backtrace works on s390 and OSX.
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [
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#if !defined(__s390__) && !defined(__APPLE__)
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#error not s390 and not osx
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#endif
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return 1
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])],
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[default_enable_libunwind=no
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default_enable_backtrace=yes],
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[default_enable_libunwind=yes
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default_enable_backtrace=no])
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# Disable libunwind linking on ppc64 by default.
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [return __PPC64__])],
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[default_enable_libunwind=no
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default_tcmalloc_pagesize=64],
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[default_enable_libunwind=yes
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default_tcmalloc_pagesize=8])
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AC_ARG_ENABLE([cpu-profiler],
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[AS_HELP_STRING([--disable-cpu-profiler],
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[do not build the cpu profiler])],
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[],
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[enable_cpu_profiler="$default_enable_cpu_profiler"])
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AC_ARG_ENABLE([heap-profiler],
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[AS_HELP_STRING([--disable-heap-profiler],
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[do not build the heap profiler])],
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[],
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[enable_heap_profiler="$default_enable_heap_profiler"])
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AC_ARG_ENABLE([heap-checker],
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[AS_HELP_STRING([--disable-heap-checker],
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[do not build the heap checker])],
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[],
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[enable_heap_checker="$default_enable_heap_checker"; heap_checker_is_default=yes])
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AC_ARG_ENABLE([debugalloc],
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[AS_HELP_STRING([--disable-debugalloc],
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[do not build versions of libs with debugalloc])],
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[],
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[enable_debugalloc="$default_enable_debugalloc"])
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AC_ARG_ENABLE([minimal],
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[AS_HELP_STRING([--enable-minimal],
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[build only tcmalloc-minimal (and maybe tcmalloc-minimal-debug)])],
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[],
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[enable_minimal="$default_enable_minimal"])
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if test "$enable_minimal" = yes; then
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enable_cpu_profiler=no
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enable_heap_profiler=no
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enable_heap_checker=no
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fi
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AC_ARG_ENABLE([stacktrace-via-backtrace],
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[AS_HELP_STRING([--enable-stacktrace-via-backtrace],
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[enable use of backtrace() for stacktrace capturing (may deadlock)])],
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[enable_backtrace=yes],
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[enable_backtrace="$default_enable_backtrace"])
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AC_ARG_ENABLE([libgcc-unwinder-by-default],
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[AS_HELP_STRING([--enable-libgcc-unwinder-by-default],
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[prefer libgcc's _Unwind_Backtrace as default stacktrace capturing method])],
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[enable_libgcc_by_default=yes],
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[enable_libgcc_by_default=no])
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AS_IF([test "x$enable_libgcc_by_default" = xyes],
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[AC_DEFINE(PREFER_LIBGCC_UNWINDER, 1, [if libgcc stacktrace method should be default])])
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AC_ARG_ENABLE([libunwind],
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[AS_HELP_STRING([--enable-libunwind],
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[enable libunwind linking])],
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[],
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[enable_libunwind="$default_enable_libunwind"])
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AC_ARG_WITH([tcmalloc-pagesize],
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[AS_HELP_STRING([--with-tcmalloc-pagesize],
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[Set the tcmalloc internal page size to 4K, 8K, 16K, 32K, 64K, 128K or 256K])],
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[],
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[with_tcmalloc_pagesize=$default_tcmalloc_pagesize])
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AC_ARG_WITH([tcmalloc-alignment],
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[AS_HELP_STRING([--with-tcmalloc-alignment],
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[Set the tcmalloc allocation alignment to 8 or 16 bytes])],
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[],
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[with_tcmalloc_alignment=$default_tcmalloc_alignment])
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case "$with_tcmalloc_pagesize" in
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4)
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AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 12);;
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8)
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#Default tcmalloc page size.
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;;
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16)
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AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 14);;
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32)
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AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 15);;
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64)
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AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 16);;
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128)
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AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 17);;
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256)
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AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 18,
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[Define internal page size for tcmalloc as number of left bitshift]);;
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*)
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AC_MSG_WARN([${with_tcmalloc_pagesize}K size not supported, using default tcmalloc page size.])
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esac
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case "$with_tcmalloc_alignment" in
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8)
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AC_DEFINE(TCMALLOC_ALIGN_8BYTES, 1,
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[Define 8 bytes of allocation alignment for tcmalloc]);;
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16)
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#Default tcmalloc allocation alignment.
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;;
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*)
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AC_MSG_WARN([${with_tcmalloc_alignment} bytes not supported, using default tcmalloc allocation alignment.])
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esac
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AS_IF([test "x$enable_heap_checker" = xyes],
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[AS_IF([test "x$heap_checker_supported" = xno],
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[AC_MSG_NOTICE([your system isn't Linux, and I won't build heap checker despite your request])]
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enable_heap_checker=no)])
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dnl Heap checker is (and has always been) Linux-only, and also now
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dnl depends on clone support in libc. Most Linux libc's do ship clone()
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dnl (includes glibc, musl and even bionic), but not all. So we check.
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AS_IF([test "x$enable_heap_checker" = xyes],
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[AC_MSG_CHECKING([clone() support])
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#include <sched.h>
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static int fn(void *dummy) { return 0; }
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]],[[
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char stk[16];
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return clone(fn, stk, CLONE_VM|CLONE_FS|CLONE_FILES, 0);
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]])], [AC_MSG_RESULT([yes])], [ dnl clone not found
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AC_MSG_RESULT([no])
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enable_heap_checker=no
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AS_IF([test "x$heap_checker_is_default" = xyes],
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[AC_MSG_NOTICE([your Linux system won't have heap checker built due to missing clone() support])],
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[AC_MSG_WARN([you requested heap checker built, but your libc doesn't have clone() support])])
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])])
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# Checks for programs.
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AC_PROG_CXX
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AC_LANG([C++])
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AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc
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AX_CXX_COMPILE_STDCXX(17, ext, mandatory)
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LT_INIT
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# Lets try enable frame pointers to enable simpler stacktrace
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# capturing methods, but keep performace for critical bits with
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# -momit-leaf-frame-pointer. However, we should be conservative so
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# that we don't disable leaf frame pointers on whatever architectures
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# that have them enabled by default.
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AC_CACHE_CHECK(
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[compiler and target supports -fno-omit-frame-pointer -momit-leaf-frame-pointer],
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[ac_cv_frame_pointer_cflags],
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[OLD_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS -fno-omit-frame-pointer -momit-leaf-frame-pointer"
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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#if !(__i386__ || __x86_64__ || __riscv || __aarch64__)
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#error unsupported arch
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#endif
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)],
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[ac_cv_frame_pointer_cflags=yes],
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[ac_cv_frame_pointer_cflags=no])
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CXXFLAGS="$OLD_CXXFLAGS"])
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AM_CONDITIONAL(ENABLE_FP_FLAGS, [test "x$ac_cv_frame_pointer_cflags" = "xyes"])
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# Clang-only (so far?) -Wthread-safety is a useful thing. We want.
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AC_CACHE_CHECK(
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[compiler and target supports -Wthread-safety],
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[ac_cv_w_thread_safety],
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[OLD_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS -Wthread-safety"
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([], [])],
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[ac_cv_w_thread_safety=yes],
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[ac_cv_w_thread_safety=no])
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CXXFLAGS="$OLD_CXXFLAGS"])
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AM_CONDITIONAL(ENABLE_W_THREAD_SAFETY, [test "x$ac_cv_w_thread_safety" = "xyes"])
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AX_C___ATTRIBUTE__
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AC_MSG_CHECKING(for __attribute__((aligned(N))) on functions)
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AC_CACHE_VAL(ac_cv___attribute__aligned_fn, [
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
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void foo(void) __attribute__((aligned(128)));
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void foo(void) { exit(1); }]], [[]])],[ac_cv___attribute__aligned_fn=yes],[ac_cv___attribute__aligned_fn=no
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])])
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if test "$ac_cv___attribute__aligned_fn" = "yes"; then
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AC_DEFINE(HAVE___ATTRIBUTE__ALIGNED_FN, 1, [define if your compiler supports alignment of functions])
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fi
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AC_MSG_RESULT($ac_cv___attribute__aligned_fn)
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# TODO(csilvers): we could remove a lot when WITH_CPU_PROFILER etc is "no".
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AC_CHECK_TYPES([struct mallinfo],,, [#include <malloc.h>])
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AC_CHECK_TYPES([struct mallinfo2],,, [#include <malloc.h>])
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AC_CHECK_FUNCS(sbrk) # for tcmalloc to get memory
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AC_CHECK_FUNCS(geteuid) # for turning off services when run as root
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AC_CHECK_HEADERS(features.h) # for vdso_support.h, __GLIBC__ macros
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AC_CHECK_HEADERS(malloc.h) # some systems define stuff there, others not
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AC_CHECK_HEADERS(glob.h) # for heap-profile-table (cleaning up profiles)
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AC_CHECK_HEADERS(execinfo.h) # for stacktrace? and heapchecker_unittest
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AC_CHECK_HEADERS(unwind.h) # for stacktrace
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AC_CHECK_HEADERS(sched.h) # for being nice in our spinlock code
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AC_CHECK_HEADERS(sys/syscall.h)
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AC_CHECK_HEADERS(sys/socket.h) # optional; for forking out to symbolizer
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AC_CHECK_HEADERS(sys/wait.h) # optional; for forking out to symbolizer
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AC_CHECK_HEADERS(poll.h) # optional; for forking out to symbolizer
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AC_CHECK_HEADERS(fcntl.h) # for tcmalloc_unittest
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AC_CHECK_HEADERS(sys/cdefs.h) # Where glibc defines __THROW
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AC_CHECK_HEADERS(sys/ucontext.h)
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AC_CHECK_HEADERS(ucontext.h)
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AC_CHECK_HEADERS(cygwin/signal.h) # ucontext on cywgin
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AC_CHECK_HEADERS(asm/ptrace.h) # get ptrace macros, e.g. PT_NIP
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# check for socketpair, some system, such as QNX, need link in an socket library to use it
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AC_SEARCH_LIBS([socketpair], [socket])
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REGEX_LIBS=
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# "sufficiently unix" systems need regexec for unit tests
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if test "x$need_nanosleep" = xyes; then
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save_LIBS="$LIBS"
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LIBS="$REGEX_LIBS"
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# QNX needs -lregex; but lets test just in case
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AC_SEARCH_LIBS([regexec], [regex], [], [AC_MSG_ERROR([failed to locate regexec() (used for tests)])])
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REGEX_LIBS="$LIBS"
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LIBS="$save_LIBS"
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fi
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AC_SUBST(REGEX_LIBS)
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# We override a lot of memory allocation routines, not all of which are
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# standard. For those the system doesn't declare, we'll declare ourselves.
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AC_CHECK_DECLS([cfree,
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posix_memalign,
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memalign,
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valloc,
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pvalloc],,,
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[#define _XOPEN_SOURCE 600
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#define _QNX_SOURCE 1
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#include <stdlib.h>
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#include <malloc.h>])
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if test "$ac_cv_type_struct_mallinfo" = yes; then
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AC_SUBST(ac_cv_have_struct_mallinfo, 1) # gperftools/tcmalloc.h needs this
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else
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AC_SUBST(ac_cv_have_struct_mallinfo, 0)
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fi
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if test "$ac_cv_type_struct_mallinfo2" = yes; then
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AC_SUBST(ac_cv_have_struct_mallinfo2, 1) # gperftools/tcmalloc.h needs this
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else
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AC_SUBST(ac_cv_have_struct_mallinfo2, 0)
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fi
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# We hardcode HAVE_MMAP to 1. There are no interesting systems anymore
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# without functional mmap. And our windows (except mingw) builds
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# aren't using autoconf. So we keep HAVE_MMAP define, but only to
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# distingush windows and rest.
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case "$host" in
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*-mingw*) default_emergency_malloc=no;;
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*) default_emergency_malloc=yes
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AC_DEFINE(HAVE_MMAP, 1, [Define to 1 if you have a working `mmap' system call.])
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esac
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# We want to access the "PC" (Program Counter) register from a struct
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# ucontext. Every system has its own way of doing that. But in case
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# we're dealing with unknown system, we have to check if GetPC
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# actually works. But don't bother if we're not doing cpu-profiling.
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if test "$enable_cpu_profiler" = yes; then
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OLD_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS -I$srcdir/src"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include "getpc.h"]], [GetPC({})])],
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[],
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[AC_MSG_WARN(Could not find the PC. Will not try to compile libprofiler...)
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enable_cpu_profiler=no])
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CXXFLAGS="$OLD_CXXFLAGS"
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fi
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# Some tests test the behavior of .so files, and only make sense for dynamic.
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AM_CONDITIONAL(ENABLE_STATIC, test "$enable_static" = yes)
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# We want to link in libunwind if it is enabled and exists.
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UNWIND_LIBS=
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if test "$enable_libunwind" = yes; then
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AC_CHECK_HEADERS([libunwind.h],
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[AC_CHECK_LIB(unwind, backtrace,
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[UNWIND_LIBS=-lunwind
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AC_DEFINE([USE_LIBUNWIND], [1], [libunwind.h was found and is working])
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will_use_libunwind=yes])])
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fi
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AC_SUBST(UNWIND_LIBS)
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AC_ARG_ENABLE(frame_pointers,
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AS_HELP_STRING([--enable-frame-pointers],
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[Add -fno-omit-frame-pointer to compile flags]),
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, enable_frame_pointers=no)
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AM_CONDITIONAL(ENABLE_FRAME_POINTERS, test "$enable_frame_pointers" = yes)
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AC_ARG_ENABLE([deprecated-pprof],
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[AS_HELP_STRING([--disable-deprecated-pprof],
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[do not install old deprecated and unmaintained bundled pprof
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(see github.com/google/pprof for supported version)])],
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[enable_pprof="$enableval"],
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[enable_pprof=yes])
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AM_CONDITIONAL(INSTALL_PPROF,
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[test "x$enable_pprof" = xyes])
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AC_ARG_ENABLE([dynamic-sized-delete-support],
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[AS_HELP_STRING([--enable-dynamic-sized-delete-support],
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[try to build run-time switch for sized delete operator])],
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[enable_dyn_sized_delete="$enableval"],
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[enable_dyn_sized_delete=no])
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AS_IF([test "x$enable_dyn_sized_delete" = xyes],
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[AC_DEFINE([ENABLE_DYNAMIC_SIZED_DELETE], 1,
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[Build runtime detection for sized delete])])
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AC_ARG_ENABLE([sized-delete],
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[AS_HELP_STRING([--enable-sized-delete],
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[build sized delete operator])],
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[enable_sized_delete="$enableval"],
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[enable_sized_delete="no"])
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AS_IF([test "x$enable_sized_delete" = xyes],
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[AC_DEFINE([ENABLE_SIZED_DELETE], 1, [Build sized deletion operators])
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AC_MSG_NOTICE([Will build sized deallocation operators])],
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[AS_IF([test "x$enable_dyn_sized_delete" = xyes],
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[AC_MSG_NOTICE([Will build dynamically detected sized deallocation operators])],
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[AC_MSG_NOTICE([Will build sized deallocation operators that ignore size])])])
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AC_CACHE_CHECK([if C++ compiler supports -fsized-deallocation],
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[perftools_cv_sized_deallocation_result],
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[OLD_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS -fsized-deallocation"
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AC_LINK_IFELSE([AC_LANG_PROGRAM(
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[[#include <new>
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#include <stddef.h>]],
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[[static void (* volatile ptr)(void *, size_t) = ::operator delete; (*ptr)(0, 256);]])],
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perftools_cv_sized_deallocation_result=yes,
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perftools_cv_sized_deallocation_result=no)
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CXXFLAGS="$OLD_CXXFLAGS"])
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AM_CONDITIONAL(HAVE_SIZED_DEALLOCATION,
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test "$perftools_cv_sized_deallocation_result" = yes)
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AC_CACHE_CHECK([if target has _Unwind_Backtrace],
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[perftools_cv_have_unwind_backtrace],
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[[#include <unwind.h>
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#if defined(__APPLE__) || defined(__FreeBSD__)
|
|
#error OSX and FreeBSD _Unwind_Backtrace recurses back to malloc
|
|
#endif
|
|
]],
|
|
[[&_Unwind_Backtrace]])],
|
|
[perftools_cv_have_unwind_backtrace=yes],
|
|
[perftools_cv_have_unwind_backtrace=no])])
|
|
AS_IF([test "x$perftools_cv_have_unwind_backtrace" = xyes],
|
|
[AC_DEFINE(HAVE_UNWIND_BACKTRACE, 1, [Whether <unwind.h> 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 <unistd.h>],
|
|
[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 <unistd.h>])
|
|
AC_CHECK_DECLS([nanosleep], [], [], [#include <time.h>])
|
|
;;
|
|
esac
|
|
|
|
if test "x$enable_backtrace" = xyes; then
|
|
AC_CHECK_DECLS([backtrace], [], [], [#include <execinfo.h>])
|
|
save_LIBS=$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 -o "x$enable_heap_checker" = xyes],
|
|
[AC_CHECK_DECLS([backtrace_symbols], [], [], [#include <execinfo.h>
|
|
])
|
|
save_LIBS=$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 "$enable_heap_profiler" = yes)
|
|
AM_CONDITIONAL(WITH_HEAP_CHECKER, test "$enable_heap_checker" = yes)
|
|
AM_CONDITIONAL(WITH_DEBUGALLOC, test "$enable_debugalloc" = yes)
|
|
# We make tcmalloc.so if either heap-profiler or heap-checker is asked for.
|
|
AM_CONDITIONAL(WITH_HEAP_PROFILER_OR_CHECKER,
|
|
test "$enable_heap_profiler" = yes -o \
|
|
"$enable_heap_checker" = yes)
|
|
# If we don't use any profilers, we don't need stack traces (or pprof)
|
|
AM_CONDITIONAL(WITH_STACK_TRACE, test "$enable_cpu_profiler" = yes -o \
|
|
"$enable_heap_profiler" = yes -o \
|
|
"$enable_heap_checker" = yes)
|
|
|
|
have_linux_sigev_thread_id=no
|
|
AC_MSG_CHECKING([for Linux SIGEV_THREAD_ID])
|
|
AC_COMPILE_IFELSE(
|
|
[AC_LANG_PROGRAM([[#include <signal.h>
|
|
#include <time.h>]],
|
|
[[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
|