Regenerate configure, src/config.in.

2 files changed, 122 insertions, 29 deletions

diff --git a/configure b/configure
index d4a92ae7cad..d4e889c607a 100755
--- a/configure
+++ b/configure
@@ -703,6 +703,8 @@ INSTALL_INFO
 GZIP_PROG
 MAKEINFO
 LIB_MATH
+C_SWITCH_MACHINE
+C_SWITCH_SYSTEM
 CRT_DIR
 LIBSOUND
 PKG_CONFIG
@@ -711,6 +713,8 @@ ALSA_LIBS
 CFLAGS_SOUND
 SET_MAKE
 XMKMF
+LD_SWITCH_X_SITE_AUX
+LD_SWITCH_X_SITE_AUX_RPATH
 NS_OBJ
 NS_SUPPORT
 HAVE_XSERVER
@@ -775,11 +779,8 @@ archlibdir
 bitmapdir
 gamedir
 gameuser
-c_switch_system
-c_switch_machine
 unexec
 LD_SWITCH_X_SITE
-LD_SWITCH_X_SITE_AUX
 C_SWITCH_X_SITE
 C_SWITCH_X_SYSTEM
 X_TOOLKIT_TYPE
@@ -806,6 +807,7 @@ LIBX_OTHER
 CYGWIN_OBJ
 PRE_ALLOC_OBJ
 POST_ALLOC_OBJ
+LD_SWITCH_SYSTEM_TEMACS
 LTLIBOBJS'
 ac_subst_files=''
 ac_user_opts='
@@ -5866,15 +5868,7 @@ echo '
 #ifndef LIBS_SYSTEM
 #define LIBS_SYSTEM
 #endif
-#ifndef C_SWITCH_SYSTEM
-#define C_SWITCH_SYSTEM
-#endif
-#ifndef C_SWITCH_MACHINE
-#define C_SWITCH_MACHINE
-#endif
 configure___ libsrc_libs=LIBS_SYSTEM
-configure___ c_switch_system=C_SWITCH_SYSTEM
-configure___ c_switch_machine=C_SWITCH_MACHINE
 
 configure___ LIBX=-lX11
 
@@ -5908,10 +5902,6 @@ configure___ use_mmap_for_buffers=no
 #define LD_SWITCH_SYSTEM
 #endif
 
-#ifndef LD_SWITCH_X_SITE_AUX
-#define LD_SWITCH_X_SITE_AUX
-#endif
-
 configure___ ld_switch_system=LD_SWITCH_SYSTEM
 
 #ifdef THIS_IS_CONFIGURE
@@ -5952,12 +5942,98 @@ rm ${tempcname}
 
 ac_link="$ac_link $ld_switch_system"
 
+
+C_SWITCH_MACHINE=
+if test "$machine" = "alpha"; then
+  { $as_echo "$as_me:$LINENO: checking whether __ELF__ is declared" >&5
+$as_echo_n "checking whether __ELF__ is declared... " >&6; }
+if test "${ac_cv_have_decl___ELF__+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+#ifndef __ELF__
+  (void) __ELF__;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_have_decl___ELF__=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_have_decl___ELF__=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_decl___ELF__" >&5
+$as_echo "$ac_cv_have_decl___ELF__" >&6; }
+
+  if test "$ac_cv_have_decl___ELF__" = "yes"; then
+    ## With ELF, make sure that all common symbols get allocated to in the
+    ## data section.  Otherwise, the dump of temacs may miss variables in
+    ## the shared library that have been initialized.  For example, with
+    ## GNU libc, __malloc_initialized would normally be resolved to the
+    ## shared library's .bss section, which is fatal.
+    if test "x$GCC" = "xyes"; then
+      C_SWITCH_MACHINE="-fno-common"
+    else
+      { { $as_echo "$as_me:$LINENO: error: What gives?  Fix me if DEC Unix supports ELF now." >&5
+$as_echo "$as_me: error: What gives?  Fix me if DEC Unix supports ELF now." >&2;}
+   { (exit 1); exit 1; }; }
+    fi
+  fi
+fi
+
+
+
+C_SWITCH_SYSTEM=
+## Some programs in src produce warnings saying certain subprograms
+## are too complex and need a MAXMEM value greater than 2000 for
+## additional optimization.  --nils@exp-math.uni-essen.de
+test "$opsys" = "aix4.2" && test "x$GCC" = "xyes" && \
+  C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
+## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
+## It is redundant in glibc2, since we define _GNU_SOURCE.
+
+
+
 ### Make sure subsequent tests use flags consistent with the build flags.
 
 if test x"${OVERRIDE_CPPFLAGS}" != x; then
   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
 else
-  CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
+  CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
 fi
 
 
@@ -9728,17 +9804,19 @@ fi
 ## Workaround for bug in autoconf <= 2.62.
 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
 ## No need to do anything special for these standard directories.
-## This is an experiment, take it out if it causes problems.
 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
 
    x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
 
 fi
 
+LD_SWITCH_X_SITE_AUX=
+LD_SWITCH_X_SITE_AUX_RPATH=
 if test "${x_libraries}" != NONE; then
   if test -n "${x_libraries}"; then
     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
+    LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
   fi
   x_default_search_path=""
   x_search_path=${x_libraries}
@@ -9761,6 +9839,9 @@ ${x_library}/X11/%T/%N%S"
     fi
   done
 fi
+
+
+
 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
 fi
@@ -25991,9 +26072,6 @@ fi
 
 
 
-
-
-
 ## Used in lwlib/Makefile.in.
 
 
@@ -26037,11 +26115,6 @@ _ACEOF
 
 
 cat >>confdefs.h <<_ACEOF
-#define LD_SWITCH_X_SITE_AUX ${LD_SWITCH_X_SITE_AUX}
-_ACEOF
-
-
-cat >>confdefs.h <<_ACEOF
 #define C_SWITCH_X_SITE ${C_SWITCH_X_SITE}
 _ACEOF
 
@@ -26189,6 +26262,30 @@ fi
 
 
 
+case "$opsys" in
+  aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
+
+  darwin)
+  ## The -headerpad option tells ld (see man page) to leave room at the
+  ## end of the header for adding load commands.  Needed for dumping.
+  ## 0x690 is the total size of 30 segment load commands (at 56
+  ## each); under Cocoa 31 commands are required.
+  if test "$HAVE_NS" = "yes"; then
+    libs_nsgui="-framework AppKit"
+    headerpad_extra=6C8
+  else
+    libs_nsgui=
+    headerpad_extra=690
+  fi
+  LD_SWITCH_SYSTEM_TEMACS="-prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
+  ;;
+
+  *) LD_SWITCH_SYSTEM_TEMACS= ;;
+esac
+
+
+
+
 
 
 
diff --git a/src/config.in b/src/config.in
index cb898e5278f..e8244308640 100644
--- a/src/config.in
+++ b/src/config.in
@@ -807,10 +807,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    its own, you might want to add "-L/..." or something similar. */
 #undef LD_SWITCH_X_SITE
 
-/* Define LD_SWITCH_X_SITE_AUX with an -R option in case it's needed (for
-   Solaris, for example). */
-#undef LD_SWITCH_X_SITE_AUX
-
 /* Define to 1 if localtime caches TZ. */
 #undef LOCALTIME_CACHE