enable_version_specific_runtime_libs
with_libffi
with_libatomic
+with_system_libunwind
'
ac_precious_vars='build_alias
host_alias
both]
--without-libffi don't use libffi
--without-libatomic don't use libatomic
+ --with-system-libunwind use installed libunwind
Some influential environment variables:
CC C compiler command
+
+
+
ac_config_headers="$ac_config_headers config.h"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-#include <stdio.h>
+
int
main ()
{
-FILE *f = fopen ("conftest.out", "w");
- return ferror (f) || fclose (f) != 0;
;
return 0;
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11207 "configure"
+#line 11212 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
esac
-GCC_CHECK_UNWIND_GETIPINFO
+
+
+# Check whether --with-system-libunwind was given.
+if test "${with_system_libunwind+set}" = set; then :
+ withval=$with_system_libunwind;
+fi
+
+ # If system-libunwind was not specifically set, pick a default setting.
+ if test x$with_system_libunwind = x; then
+ case ${target} in
+ ia64-*-hpux*) with_system_libunwind=yes ;;
+ *) with_system_libunwind=no ;;
+ esac
+ fi
+ # Based on system-libunwind and target, do we have ipinfo?
+ if test x$with_system_libunwind = xyes; then
+ case ${target} in
+ ia64-*-*) have_unwind_getipinfo=no ;;
+ *) have_unwind_getipinfo=yes ;;
+ esac
+ else
+ # Darwin before version 9 does not have _Unwind_GetIPInfo.
+
+ case ${target} in
+ *-*-darwin[3-8]|*-*-darwin[3-8].*) have_unwind_getipinfo=no ;;
+ *) have_unwind_getipinfo=yes ;;
+ esac
+
+ fi
+
+ if test x$have_unwind_getipinfo = xyes; then
+
+$as_echo "#define HAVE_GETIPINFO 1" >>confdefs.h
+
+ fi
+
for ac_header in port.h sched.h semaphore.h sys/file.h sys/mman.h syscall.h sys/epoll.h sys/event.h sys/inotify.h sys/ptrace.h sys/syscall.h sys/user.h sys/utsname.h sys/select.h sys/socket.h net/if.h net/if_arp.h net/route.h netpacket/packet.h sys/prctl.h sys/mount.h sys/vfs.h sys/statfs.h sys/timex.h sys/sysinfo.h utime.h linux/ether.h linux/fs.h linux/reboot.h netinet/icmp6.h netinet/in_syst.h netinet/ip.h netinet/ip_mroute.h netinet/if_ether.h
do :
multi_basedir="$multi_basedir"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
CC="$CC"
+CXX="$CXX"
+GFORTRAN="$GFORTRAN"
AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"