UNIX_CMT
CYGWIN_CMT
LINUX_CMT
+threadsan_ldflags
+threadsan_cflags
+have_threadsan
+addrsan_ldflags
+addrsan_cflags
+have_addrsan
+ubsan_ldflags
+ubsan_cflags
+have_ubsan
+lto_ldflags
+lto_cflags
+have_lto
+gcc_ranlib
+gcc_ar
UNI_DIFF_OPTS
SEM_INIT_LIB
FUSE_CMT
with_included_gettext
with_libintl_prefix
enable_fuse2fs
+enable_lto
+enable_ubsan
+enable_addrsan
+enable_threadsan
with_multiarch
with_udev_rules_dir
with_crond_dir
--disable-threads build without multithread safety
--disable-rpath do not hardcode runtime library paths
--disable-fuse2fs do not build fuse2fs
+ --enable-lto enable link time optimization
+ --enable-ubsan enable undefined behavior sanitizer
+ --enable-addrsan enable address sanitizer
+ --enable-threadsan enable thread sanitizer
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
;;
esac
+# Check whether --enable-lto was given.
+if test "${enable_lto+set}" = set; then :
+ enableval=$enable_lto;
+else
+ enable_lto=probe
+fi
+
+if test "$enable_lto" = "yes" || test "$enable_lto" = "probe"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if C compiler supports LTO" >&5
+$as_echo_n "checking if C compiler supports LTO... " >&6; }
+ OLD_CFLAGS="$CFLAGS"
+ OLD_LDFLAGS="$LDFLAGS"
+ LTO_FLAGS="-flto -ffat-lto-objects"
+ CFLAGS="$CFLAGS $LTO_FLAGS"
+ LDFLAGS="$LDFLAGS $LTO_FLAGS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ lto_cflags=$LTO_FLAGS
+ lto_ldflags=$LTO_FLAGS
+ # Extract the first word of "gcc-ar", so it can be a program name with args.
+set dummy gcc-ar; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_gcc_ar+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ case $gcc_ar in
+ [\\/]* | ?:[\\/]*)
+ ac_cv_path_gcc_ar="$gcc_ar" # Let the user override the test with a path.
+ ;;
+ *)
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_path_gcc_ar="$as_dir/$ac_word$ac_exec_ext"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+ ;;
+esac
+fi
+gcc_ar=$ac_cv_path_gcc_ar
+if test -n "$gcc_ar"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_ar" >&5
+$as_echo "$gcc_ar" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ # Extract the first word of "gcc-ranlib", so it can be a program name with args.
+set dummy gcc-ranlib; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_gcc_ranlib+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ case $gcc_ranlib in
+ [\\/]* | ?:[\\/]*)
+ ac_cv_path_gcc_ranlib="$gcc_ranlib" # Let the user override the test with a path.
+ ;;
+ *)
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_path_gcc_ranlib="$as_dir/$ac_word$ac_exec_ext"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+ ;;
+esac
+fi
+gcc_ranlib=$ac_cv_path_gcc_ranlib
+if test -n "$gcc_ranlib"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_ranlib" >&5
+$as_echo "$gcc_ranlib" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ if test -x "$gcc_ar" && test -x "$gcc_ranlib"; then
+ have_lto=yes
+ AR="${gcc_ar}"
+ RANLIB="${gcc_ranlib}"
+ fi
+ CFLAGS="${OLD_CFLAGS}"
+ LDFLAGS="${OLD_LDFLAGS}"
+
+
+
+fi
+if test "$enable_lto" = "yes" && test "$have_lto" != "yes"; then
+ as_fn_error $? "LTO not supported by compiler." "$LINENO" 5
+fi
+# Check whether --enable-ubsan was given.
+if test "${enable_ubsan+set}" = set; then :
+ enableval=$enable_ubsan;
+else
+ enable_ubsan=no
+fi
+
+if test "$enable_ubsan" = "yes" || test "$enable_ubsan" = "probe"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if C compiler supports UBSAN" >&5
+$as_echo_n "checking if C compiler supports UBSAN... " >&6; }
+ OLD_CFLAGS="$CFLAGS"
+ OLD_LDFLAGS="$LDFLAGS"
+ UBSAN_FLAGS="-fsanitize=undefined"
+ CFLAGS="$CFLAGS $UBSAN_FLAGS"
+ LDFLAGS="$LDFLAGS $UBSAN_FLAGS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ ubsan_cflags=$UBSAN_FLAGS
+ ubsan_ldflags=$UBSAN_FLAGS
+ have_ubsan=yes
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ CFLAGS="${OLD_CFLAGS}"
+ LDFLAGS="${OLD_LDFLAGS}"
+
+
+
+fi
+if test "$enable_ubsan" = "yes" && test "$have_ubsan" != "yes"; then
+ as_fn_error $? "UBSAN not supported by compiler." "$LINENO" 5
+fi
+# Check whether --enable-addrsan was given.
+if test "${enable_addrsan+set}" = set; then :
+ enableval=$enable_addrsan;
+else
+ enable_addrsan=no
+fi
+
+if test "$enable_addrsan" = "yes" || test "$enable_addrsan" = "probe"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if C compiler supports ADDRSAN" >&5
+$as_echo_n "checking if C compiler supports ADDRSAN... " >&6; }
+ OLD_CFLAGS="$CFLAGS"
+ OLD_LDFLAGS="$LDFLAGS"
+ ADDRSAN_FLAGS="-fsanitize=address"
+ CFLAGS="$CFLAGS $ADDRSAN_FLAGS"
+ LDFLAGS="$LDFLAGS $ADDRSAN_FLAGS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ addrsan_cflags=$ADDRSAN_FLAGS
+ addrsan_ldflags=$ADDRSAN_FLAGS
+ have_addrsan=yes
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ CFLAGS="${OLD_CFLAGS}"
+ LDFLAGS="${OLD_LDFLAGS}"
+
+
+
+fi
+if test "$enable_addrsan" = "yes" && test "$have_addrsan" != "yes"; then
+ as_fn_error $? "ADDRSAN not supported by compiler." "$LINENO" 5
+fi
+# Check whether --enable-threadsan was given.
+if test "${enable_threadsan+set}" = set; then :
+ enableval=$enable_threadsan;
+else
+ enable_threadsan=no
+fi
+
+if test "$enable_threadsan" = "yes" || test "$enable_threadsan" = "probe"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if C compiler supports THREADSAN" >&5
+$as_echo_n "checking if C compiler supports THREADSAN... " >&6; }
+ OLD_CFLAGS="$CFLAGS"
+ OLD_LDFLAGS="$LDFLAGS"
+ THREADSAN_FLAGS="-fsanitize=thread"
+ CFLAGS="$CFLAGS $THREADSAN_FLAGS"
+ LDFLAGS="$LDFLAGS $THREADSAN_FLAGS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ threadsan_cflags=$THREADSAN_FLAGS
+ threadsan_ldflags=$THREADSAN_FLAGS
+ have_threadsan=yes
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ CFLAGS="${OLD_CFLAGS}"
+ LDFLAGS="${OLD_LDFLAGS}"
+
+
+
+fi
+if test "$enable_threadsan" = "yes" && test "$have_threadsan" != "yes"; then
+ as_fn_error $? "THREADSAN not supported by compiler." "$LINENO" 5
+fi
+if test "$have_threadsan" = "yes" && test "$have_addrsan" = "yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: ADDRSAN and THREADSAN are not known to work together." >&5
+$as_echo "$as_me: WARNING: ADDRSAN and THREADSAN are not known to work together." >&2;}
+fi
LINUX_CMT="#"
CYGWIN_CMT="#"
UNIX_CMT=