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