compiler: Don't emit multiple methods for identical unnamed structs.

[gcc.git] / libgo / configure.ac

diff --git a/libgo/configure.ac b/libgo/configure.ac
index 81ed4924fda4c07c66483628c43071adb10d5aa5..6cc2307bc5274f61664732a454db7ccd91a1ad88 100644 (file)
--- a/libgo/configure.ac
+++ b/libgo/configure.ac
@@ -11,7 +11,7 @@ AC_INIT(package-unused, version-unused,, libgo)
 AC_CONFIG_SRCDIR(Makefile.am)
 AC_CONFIG_HEADER(config.h)
 
-libtool_VERSION=1:0:0
+libtool_VERSION=3:1:0
 AC_SUBST(libtool_VERSION)
 
 AM_ENABLE_MULTILIB(, ..)
@@ -19,7 +19,7 @@ AM_ENABLE_MULTILIB(, ..)
 AC_CANONICAL_SYSTEM
 target_alias=${target_alias-$host_alias}
 
-AM_INIT_AUTOMAKE([1.9.3 no-define foreign -Wall])
+AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dist -Wall -Wno-portability])
 AH_TEMPLATE(PACKAGE, [Name of package])
 AH_TEMPLATE(VERSION, [Version number of package])
 
@@ -50,8 +50,11 @@ AC_PROG_AWK
 WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual'
 AC_SUBST(WARN_FLAGS)
 
-dnl FIXME: This should be controlled by --enable-maintainer-mode.
-WERROR="-Werror"
+AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror],
+                                      [turns on -Werror @<:@default=yes@:>@])])
+if test "x$enable_werror" != "xno"; then
+  WERROR="-Werror"
+fi
 AC_SUBST(WERROR)
 
 glibgo_toolexecdir=no
@@ -129,6 +132,7 @@ is_freebsd=no
 is_irix=no
 is_linux=no
 is_netbsd=no
+is_openbsd=no
 is_rtems=no
 is_solaris=no
 GOOS=unknown
@@ -138,6 +142,7 @@ case ${host} in
   *-*-irix6*)    is_irix=yes;    GOOS=irix ;;
   *-*-linux*)    is_linux=yes;   GOOS=linux ;;
   *-*-netbsd*)  is_netbsd=yes;  GOOS=netbsd ;;
+  *-*-openbsd*)  is_openbsd=yes; GOOS=openbsd ;;
   *-*-rtems*)    is_rtems=yes;   GOOS=rtems ;;
   *-*-solaris2*) is_solaris=yes; GOOS=solaris ;;
 esac
@@ -146,6 +151,7 @@ AM_CONDITIONAL(LIBGO_IS_FREEBSD, test $is_freebsd = yes)
 AM_CONDITIONAL(LIBGO_IS_IRIX, test $is_irix = yes)
 AM_CONDITIONAL(LIBGO_IS_LINUX, test $is_linux = yes)
 AM_CONDITIONAL(LIBGO_IS_NETBSD, test $is_netbsd = yes)
+AM_CONDITIONAL(LIBGO_IS_OPENBSD, test $is_openbsd = yes)
 AM_CONDITIONAL(LIBGO_IS_RTEMS, test $is_rtems = yes)
 AM_CONDITIONAL(LIBGO_IS_SOLARIS, test $is_solaris = yes)
 AC_SUBST(GOOS)
@@ -453,24 +459,47 @@ no)
   ;;
 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 sys/mount.h sys/vfs.h sys/statfs.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 fallocate fchmodat fchownat futimesat inotify_add_watch inotify_init inotify_rm_watch mkdirat mknodat openat renameat splice tee unlinkat unshare)
+AC_CHECK_FUNCS(accept4 epoll_create1 faccessat fallocate fchmodat fchownat futimesat inotify_add_watch inotify_init inotify_init1 inotify_rm_watch mkdirat mknodat openat pipe2 renameat sync_file_range splice tee unlinkat unshare utimensat)
 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"