AM_MAINTAINER_MODE
-AC_INCLUDES_DEFAULT
-
AC_PROG_LD
AC_PROG_RANLIB
AC_CHECK_TOOL(OBJCOPY, objcopy, missing-objcopy)
glibgo_toolexecdir=no
glibgo_toolexeclibdir=no
-glibgo_prefixdir=$prefix
AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
AC_ARG_ENABLE([version-specific-runtime-libs],
# Calculate glibgo_toolexecdir, glibgo_toolexeclibdir
# Install a library built with a cross compiler in tooldir, not libdir.
+if test -n "$with_cross_host" &&
+ test x"$with_cross_host" != x"no"; then
+ nover_glibgo_toolexecdir='${exec_prefix}/${host_alias}'
+ nover_glibgo_toolexeclibdir='${toolexecdir}/lib'
+else
+ nover_glibgo_toolexecdir='${libdir}/gcc/${host_alias}'
+ nover_glibgo_toolexeclibdir='${libdir}'
+fi
+multi_os_directory=`$CC -print-multi-os-directory`
+case $multi_os_directory in
+ .) ;; # Avoid trailing /.
+ *) nover_glibgo_toolexeclibdir=${nover_glibgo_toolexeclibdir}/${multi_os_directory} ;;
+esac
+
if test x"$glibgo_toolexecdir" = x"no"; then
- if test -n "$with_cross_host" &&
- test x"$with_cross_host" != x"no"; then
- glibgo_toolexecdir='${exec_prefix}/${host_alias}'
- glibgo_toolexeclibdir='${toolexecdir}/lib'
- else
- glibgo_toolexecdir='${libdir}/gcc/${host_alias}'
- glibgo_toolexeclibdir='${libdir}'
- fi
- multi_os_directory=`$CC -print-multi-os-directory`
- case $multi_os_directory in
- .) ;; # Avoid trailing /.
- *) glibgo_toolexeclibdir=$glibgo_toolexeclibdir/$multi_os_directory ;;
- esac
+ glibgo_toolexecdir="${nover_glibgo_toolexecdir}"
+ glibgo_toolexeclibdir="${nover_glibgo_toolexeclibdir}"
fi
-AC_SUBST(glibgo_prefixdir)
AC_SUBST(glibgo_toolexecdir)
AC_SUBST(glibgo_toolexeclibdir)
+AC_SUBST(nover_glibgo_toolexeclibdir)
# See if the user wants to configure without libffi. Some
# architectures don't support it. FIXME: We should set a default
;;
esac
-AC_CHECK_HEADERS(sys/mman.h syscall.h sys/epoll.h sys/ptrace.h sys/syscall.h sys/user.h sys/utsname.h sys/select.h sys/socket.h net/if.h sys/prctl.h)
+AC_CHECK_HEADERS(sys/file.h sys/mman.h syscall.h sys/epoll.h sys/inotify.h sys/ptrace.h sys/syscall.h sys/user.h sys/utsname.h sys/select.h sys/socket.h net/if.h net/if_arp.h net/route.h netpacket/packet.h sys/prctl.h sys/mount.h sys/vfs.h sys/statfs.h sys/timex.h sys/sysinfo.h utime.h linux/ether.h linux/fs.h linux/reboot.h netinet/in_syst.h netinet/ip.h netinet/ip_mroute.h netinet/if_ether.h)
-AC_CHECK_HEADERS([linux/filter.h linux/netlink.h linux/rtnetlink.h], [], [],
+AC_CHECK_HEADERS([linux/filter.h linux/if_addr.h linux/if_ether.h linux/if_tun.h linux/netlink.h linux/rtnetlink.h], [], [],
[#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
])
+AC_CACHE_CHECK([whether <ustat.h> can be used],
+[libgo_cv_c_ustat_h],
+[CFLAGS_hold=$CFLAGS
+CFLAGS="$CFLAGS -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE $OSCFLAGS"
+AC_COMPILE_IFELSE(
+[AC_LANG_SOURCE([
+#include <sys/types.h>
+#ifdef HAVE_LINUX_FILTER_H
+#include <linux/filter.h>
+#endif
+#include <ustat.h>
+])], [libgo_cv_c_ustat_h=yes], [libgo_cv_c_ustat_h=no])
+CFLAGS=$CFLAGS_hold])
+if test $libgo_cv_c_ustat_h = yes; then
+ AC_DEFINE(HAVE_USTAT_H, 1,
+ [Define to 1 if you have the <ustat.h> header file and it works.])
+fi
+
AM_CONDITIONAL(HAVE_SYS_MMAN_H, test "$ac_cv_header_sys_mman_h" = yes)
-AC_CHECK_FUNCS(strerror_r strsignal wait4 mincore setenv)
+AC_CHECK_FUNCS(strerror_r strsignal wait4 mincore setenv dl_iterate_phdr)
AM_CONDITIONAL(HAVE_STRERROR_R, test "$ac_cv_func_strerror_r" = yes)
AM_CONDITIONAL(HAVE_WAIT4, test "$ac_cv_func_wait4" = yes)
-AC_CHECK_FUNCS(epoll_create1 faccessat fchmodat fchownat futimesat inotify_add_watch inotify_init inotify_rm_watch mkdirat mknodat openat renameat splice tee unlinkat unshare)
+AC_CHECK_FUNCS(epoll_create1 faccessat fallocate fchmodat fchownat futimesat inotify_add_watch inotify_init inotify_init1 inotify_rm_watch mkdirat mknodat openat renameat sync_file_range splice tee unlinkat unshare)
+AC_TYPE_OFF_T
AC_CHECK_TYPES([loff_t])
+LIBS_hold="$LIBS"
+LIBS="$LIBS -lm"
+AC_CHECK_FUNCS(cosl expl logl sinl tanl acosl asinl atanl atan2l expm1l ldexpl log10l log1pl)
+LIBS="$LIBS_hold"
+
CFLAGS_hold="$CFLAGS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
LIBS_hold="$LIBS"
[Define to 1 if the compiler provides the __sync_bool_compare_and_swap function for uint32])
fi
+AC_CACHE_CHECK([for __sync_bool_compare_and_swap_8],
+[libgo_cv_func___sync_bool_compare_and_swap_8],
+[AC_LINK_IFELSE([
+typedef unsigned int uint64 __attribute__ ((mode (DI)));
+uint64 i;
+int main() { return __sync_bool_compare_and_swap (&i, 0, 1); }
+],
+[libgo_cv_func___sync_bool_compare_and_swap_8=yes],
+[libgo_cv_func___sync_bool_compare_and_swap_8=no])])
+if test "$libgo_cv_func___sync_bool_compare_and_swap_8" = "yes"; then
+ AC_DEFINE(HAVE_SYNC_BOOL_COMPARE_AND_SWAP_8, 1,
+ [Define to 1 if the compiler provides the __sync_bool_compare_and_swap function for uint64])
+fi
+
AC_CACHE_CHECK([for __sync_fetch_and_add_4],
[libgo_cv_func___sync_fetch_and_add_4],
[AC_LINK_IFELSE([
[Define to 1 if the compiler provides the __sync_fetch_and_add function for uint32])
fi
+AC_CACHE_CHECK([for __sync_add_and_fetch_8],
+[libgo_cv_func___sync_add_and_fetch_8],
+[AC_LINK_IFELSE([
+typedef unsigned int uint64 __attribute__ ((mode (DI)));
+uint64 i;
+int main() { return __sync_add_and_fetch (&i, 1); }
+],
+[libgo_cv_func___sync_add_and_fetch_8=yes],
+[libgo_cv_func___sync_add_and_fetch_8=no])])
+if test "$libgo_cv_func___sync_add_and_fetch_8" = "yes"; then
+ AC_DEFINE(HAVE_SYNC_ADD_AND_FETCH_8, 1,
+ [Define to 1 if the compiler provides the __sync_add_and_fetch function for uint64])
+fi
+
dnl For x86 we want to use the -minline-all-stringops option to avoid
dnl forcing a stack split when calling memcpy and friends.
AC_CACHE_CHECK([whether compiler supports -minline-all-stringops],
[Define to 1 if <math.h> defines struct exception])
fi
+dnl Check if makecontext expects the uc_stack member of ucontext to point
+dnl to the top of the stack.
+case "$target" in
+ sparc*-*-solaris2.[[89]]*)
+ libgo_cv_lib_makecontext_stack_top=yes
+ ;;
+ *)
+ libgo_cv_lib_makecontext_stack_top=no
+ ;;
+esac
+if test "$libgo_cv_lib_makecontext_stack_top" = "yes"; then
+ AC_DEFINE(MAKECONTEXT_STACK_TOP, 1,
+ [Define if makecontext expects top of stack in uc_stack.])
+fi
+
dnl See whether setcontext changes the value of TLS variables.
AC_CACHE_CHECK([whether setcontext clobbers TLS variables],
[libgo_cv_lib_setcontext_clobbers_tls],
abort ();
c.uc_stack.ss_sp = stack;
+#ifdef MAKECONTEXT_STACK_TOP
+ c.uc_stack.ss_sp += sizeof stack;
+#endif
c.uc_stack.ss_flags = 0;
c.uc_stack.ss_size = sizeof stack;
c.uc_link = NULL;
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