mirror of
https://github.com/autc04/Retro68.git
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371 lines
10 KiB
Plaintext
371 lines
10 KiB
Plaintext
# -*- Autoconf -*-
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# Process this file with autoconf to produce a configure script.
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AC_PREREQ([2.64])
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AC_INIT(package-unused, version-unused, libsanitizer)
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AC_CONFIG_SRCDIR([include/sanitizer/common_interface_defs.h])
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AM_ENABLE_MULTILIB(, ..)
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AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
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AC_ARG_ENABLE(version-specific-runtime-libs,
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[ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ],
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[case "$enableval" in
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yes) version_specific_libs=yes ;;
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no) version_specific_libs=no ;;
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*) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
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esac],
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[version_specific_libs=no])
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AC_MSG_RESULT($version_specific_libs)
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AC_USE_SYSTEM_EXTENSIONS
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# Do not delete or change the following two lines. For why, see
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# http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
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AC_CANONICAL_SYSTEM
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target_alias=${target_alias-$host_alias}
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AC_SUBST(target_alias)
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GCC_LIBSTDCXX_RAW_CXX_FLAGS
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AM_INIT_AUTOMAKE(foreign no-dist)
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AM_MAINTAINER_MODE
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# Calculate toolexeclibdir
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# Also toolexecdir, though it's only used in toolexeclibdir
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case ${version_specific_libs} in
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yes)
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# Need the gcc compiler version to know where to install libraries
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# and header files if --enable-version-specific-runtime-libs option
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# is selected.
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toolexecdir='$(libdir)/gcc/$(target_alias)'
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toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
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;;
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no)
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if test -n "$with_cross_host" &&
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test x"$with_cross_host" != x"no"; then
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# Install a library built with a cross compiler in tooldir, not libdir.
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toolexecdir='$(exec_prefix)/$(target_alias)'
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toolexeclibdir='$(toolexecdir)/lib'
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else
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toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
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toolexeclibdir='$(libdir)'
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fi
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multi_os_directory=`$CC -print-multi-os-directory`
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case $multi_os_directory in
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.) ;; # Avoid trailing /.
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*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
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esac
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;;
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esac
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AC_SUBST(toolexecdir)
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AC_SUBST(toolexeclibdir)
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# Checks for programs.
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AC_PROG_CC
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AC_PROG_CXX
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AM_PROG_AS
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AC_PROG_RANLIB
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AC_LIBTOOL_DLOPEN
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AM_PROG_LIBTOOL
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AC_PROG_AWK
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case "$AWK" in
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"") AC_MSG_ERROR([can't build without awk]) ;;
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esac
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AC_SUBST(enable_shared)
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AC_SUBST(enable_static)
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AC_CHECK_SIZEOF([void *])
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if test "${multilib}" = "yes"; then
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multilib_arg="--enable-multilib"
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else
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multilib_arg=
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fi
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# Get target configury.
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unset TSAN_SUPPORTED
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unset LSAN_SUPPORTED
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. ${srcdir}/configure.tgt
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AM_CONDITIONAL(TSAN_SUPPORTED, [test "x$TSAN_SUPPORTED" = "xyes"])
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AM_CONDITIONAL(LSAN_SUPPORTED, [test "x$LSAN_SUPPORTED" = "xyes"])
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# Check for functions needed.
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AC_CHECK_FUNCS(clock_getres clock_gettime clock_settime)
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# Common libraries that we need to link against for all sanitizer libs.
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link_sanitizer_common='-lpthread -ldl -lm'
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# Set up the set of additional libraries that we need to link against for libasan.
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link_libasan=$link_sanitizer_common
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AC_SUBST(link_libasan)
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# Set up the set of additional libraries that we need to link against for libtsan.
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link_libtsan=$link_sanitizer_common
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AC_SUBST(link_libtsan)
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# Set up the set of additional libraries that we need to link against for libubsan.
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link_libubsan=$link_sanitizer_common
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AC_SUBST(link_libubsan)
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# Set up the set of additional libraries that we need to link against for liblsan.
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link_liblsan=$link_sanitizer_common
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AC_SUBST(link_liblsan)
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# At least for glibc, clock_gettime is in librt. But don't pull that
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# in if it still doesn't give us the function we want. This
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# test is copied from libgomp.
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if test $ac_cv_func_clock_gettime = no; then
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AC_CHECK_LIB(rt, clock_gettime,
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[link_libasan="-lrt $link_libasan"
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link_libtsan="-lrt $link_libtsan"
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# Other sanitizers do not override clock_* API
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])
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fi
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case "$host" in
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*-*-darwin*) MAC_INTERPOSE=true ; enable_static=no ;;
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*) MAC_INTERPOSE=false ;;
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esac
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AM_CONDITIONAL(USING_MAC_INTERPOSE, $MAC_INTERPOSE)
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backtrace_supported=yes
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AC_MSG_CHECKING([for necessary platform features])
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case "$target" in
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*-*-linux*)
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# Some old Linux distributions miss required syscalls.
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sanitizer_supported=no
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AC_TRY_COMPILE([#include <sys/syscall.h>],[
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syscall (__NR_gettid);
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syscall (__NR_futex);
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syscall (__NR_exit_group);
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], [sanitizer_supported=yes])
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;;
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*)
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sanitizer_supported=yes
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;;
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esac
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AC_MSG_RESULT($sanitizer_supported)
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AM_CONDITIONAL(SANITIZER_SUPPORTED, test "$sanitizer_supported" = yes)
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# Test for __sync support.
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AC_CACHE_CHECK([__sync extensions],
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[libsanitizer_cv_sys_sync],
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[if test -n "${with_target_subdir}"; then
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libsanitizer_cv_sys_sync=yes
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else
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([int i;],
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[__sync_bool_compare_and_swap (&i, i, i);
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__sync_lock_test_and_set (&i, 1);
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__sync_lock_release (&i);])],
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[libsanitizer_cv_sys_sync=yes],
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[libsanitizer_cv_sys_sync=no])
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fi])
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if test "$libsanitizer_cv_sys_sync" = "yes"; then
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AC_DEFINE([HAVE_SYNC_FUNCTIONS], 1,
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[Define to 1 if you have the __sync functions])
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fi
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# Test for __atomic support.
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AC_CACHE_CHECK([__atomic extensions],
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[libsanitizer_cv_sys_atomic],
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[if test -n "${with_target_subdir}"; then
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libsanitizer_cv_sys_atomic=yes
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else
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([int i;],
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[__atomic_load_n (&i, __ATOMIC_ACQUIRE);
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__atomic_store_n (&i, 1, __ATOMIC_RELEASE);])],
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[libsanitizer_cv_sys_atomic=yes],
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[libsanitizer_cv_sys_atomic=no])
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fi])
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if test "$libsanitizer_cv_sys_atomic" = "yes"; then
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AC_DEFINE([HAVE_ATOMIC_FUNCTIONS], 1,
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[Define to 1 if you have the __atomic functions])
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fi
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# The library needs to be able to read the executable itself. Compile
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# a file to determine the executable format. The awk script
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# filetype.awk prints out the file type.
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AC_CACHE_CHECK([output filetype],
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[libsanitizer_cv_sys_filetype],
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[filetype=
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([int i;], [int j;])],
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[filetype=`${AWK} -f $srcdir/../libbacktrace/filetype.awk conftest.$ac_objext`],
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[AC_MSG_FAILURE([compiler failed])])
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libsanitizer_cv_sys_filetype=$filetype])
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# Match the file type to decide what files to compile.
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FORMAT_FILE=
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case "$libsanitizer_cv_sys_filetype" in
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elf*) FORMAT_FILE="elf.lo" ;;
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*) AC_MSG_WARN([could not determine output file type])
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FORMAT_FILE="unknown.lo"
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backtrace_supported=no
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;;
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esac
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AC_SUBST(FORMAT_FILE)
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# ELF defines.
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elfsize=
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case "$libsanitizer_cv_sys_filetype" in
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elf32) elfsize=32 ;;
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elf64) elfsize=64 ;;
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esac
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AC_DEFINE_UNQUOTED([BACKTRACE_ELF_SIZE], [$elfsize], [ELF size: 32 or 64])
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BACKTRACE_SUPPORTED=0
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if test "$backtrace_supported" = "yes"; then
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BACKTRACE_SUPPORTED=1
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fi
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AC_SUBST(BACKTRACE_SUPPORTED)
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GCC_HEADER_STDINT(gstdint.h)
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AC_CHECK_HEADERS(sys/mman.h alloca.h)
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if test "$ac_cv_header_sys_mman_h" = "no"; then
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have_mmap=no
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else
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if test -n "${with_target_subdir}"; then
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# When built as a GCC target library, we can't do a link test. We
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# simply assume that if we have mman.h, we have mmap.
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have_mmap=yes
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else
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AC_CHECK_FUNC(mmap, [have_mmap=yes], [have_mmap=no])
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fi
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fi
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if test "$have_mmap" = "no"; then
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VIEW_FILE=read.lo
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ALLOC_FILE=alloc.lo
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else
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VIEW_FILE=mmapio.lo
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AC_PREPROC_IFELSE([
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#include <sys/mman.h>
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#if !defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
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#error no MAP_ANONYMOUS
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#endif
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], [ALLOC_FILE=mmap.lo], [ALLOC_FILE=alloc.lo])
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fi
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AC_SUBST(VIEW_FILE)
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AC_SUBST(ALLOC_FILE)
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BACKTRACE_USES_MALLOC=0
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if test "$ALLOC_FILE" = "alloc.lo"; then
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BACKTRACE_USES_MALLOC=1
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fi
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AC_SUBST(BACKTRACE_USES_MALLOC)
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# Don't care about thread support
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BACKTRACE_SUPPORTS_THREADS=0
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AC_SUBST(BACKTRACE_SUPPORTS_THREADS)
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# Check for dl_iterate_phdr.
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AC_CHECK_HEADERS(link.h)
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if test "$ac_cv_header_link_h" = "no"; then
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have_dl_iterate_phdr=no
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else
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# When built as a GCC target library, we can't do a link test.
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AC_EGREP_HEADER([dl_iterate_phdr], [link.h], [have_dl_iterate_phdr=yes],
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[have_dl_iterate_phdr=no])
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case "${host}" in
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*-*-solaris2.10*)
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# Avoid dl_iterate_phdr on Solaris 10, where it is in the
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# header file but is only in -ldl.
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have_dl_iterate_phdr=no ;;
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esac
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fi
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if test "$have_dl_iterate_phdr" = "yes"; then
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AC_DEFINE(HAVE_DL_ITERATE_PHDR, 1, [Define if dl_iterate_phdr is available.])
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fi
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# Check for the fcntl function.
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if test -n "${with_target_subdir}"; then
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case "${host}" in
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*-*-mingw*) have_fcntl=no ;;
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*) have_fcntl=yes ;;
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esac
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else
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AC_CHECK_FUNC(fcntl, [have_fcntl=yes], [have_fcntl=no])
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fi
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if test "$have_fcntl" = "yes"; then
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AC_DEFINE([HAVE_FCNTL], 1,
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[Define to 1 if you have the fcntl function])
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fi
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AC_CHECK_DECLS(strnlen)
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# Check for getexecname function.
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if test -n "${with_target_subdir}"; then
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case "${host}" in
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*-*-solaris2*) have_getexecname=yes ;;
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*) have_getexecname=no ;;
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esac
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else
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AC_CHECK_FUNC(getexecname, [have_getexecname=yes], [have_getexecname=no])
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fi
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if test "$have_getexecname" = "yes"; then
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AC_DEFINE(HAVE_GETEXECNAME, 1, [Define if getexecname is available.])
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fi
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# Check for rpc/xdr.h
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AC_CHECK_HEADERS(rpc/xdr.h)
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if test x"$ac_cv_header_rpc_xdr_h" = xyes; then
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rpc_defs="$rpc_defs -DHAVE_RPC_XDR_H=1"
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else
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rpc_defs="$rpc_defs -DHAVE_RPC_XDR_H=0"
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fi
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# Check for tirpc/rpc/xdr.h
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AC_CHECK_HEADERS(tirpc/rpc/xdr.h)
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if test x"$ac_cv_header_tirpc_rpc_xdr_h" = xyes; then
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rpc_defs="$rpc_defs -DHAVE_TIRPC_RPC_XDR_H=1"
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else
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rpc_defs="$rpc_defs -DHAVE_TIRPC_RPC_XDR_H=0"
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fi
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AC_SUBST([RPC_DEFS], [$rpc_defs])
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AM_CONDITIONAL(LIBBACKTRACE_SUPPORTED,
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[test "x${BACKTRACE_SUPPORTED}x${BACKTRACE_USES_MALLOC}" = "x1x0"])
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AH_BOTTOM([#include "libbacktrace/backtrace-rename.h"])
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AC_CONFIG_FILES([Makefile libsanitizer.spec libbacktrace/backtrace-supported.h])
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AC_CONFIG_HEADER(config.h)
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AC_CONFIG_FILES(AC_FOREACH([DIR], [interception sanitizer_common libbacktrace lsan asan ubsan], [DIR/Makefile ]),
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[cat > vpsed$$ << \_EOF
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s!`test -f '$<' || echo '$(srcdir)/'`!!
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_EOF
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sed -f vpsed$$ $ac_file > tmp$$
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mv tmp$$ $ac_file
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rm vpsed$$
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echo 'MULTISUBDIR =' >> $ac_file
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ml_norecursion=yes
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. ${multi_basedir}/config-ml.in
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AS_UNSET([ml_norecursion])
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])
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if test "x$TSAN_SUPPORTED" = "xyes"; then
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AC_CONFIG_FILES(AC_FOREACH([DIR], [tsan], [DIR/Makefile ]),
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[cat > vpsed$$ << \_EOF
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s!`test -f '$<' || echo '$(srcdir)/'`!!
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_EOF
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sed -f vpsed$$ $ac_file > tmp$$
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mv tmp$$ $ac_file
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rm vpsed$$
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echo 'MULTISUBDIR =' >> $ac_file
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ml_norecursion=yes
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. ${multi_basedir}/config-ml.in
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AS_UNSET([ml_norecursion])
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])
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fi
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AC_SUBST([TSAN_TARGET_DEPENDENT_OBJECTS])
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AC_OUTPUT
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