Merge branch 'master' into sverk/hipe-line-table-bug/master/OTP-13282

1 files changed, 55 insertions, 102 deletions

diff --git a/erts/configure.in b/erts/configure.in
index 22ca7ec17d..2f19c0f760 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -106,7 +106,6 @@ AC_CONFIG_HEADER($host/config.h:config.h.in include/internal/$host/ethread_heade
 dnl ----------------------------------------------------------------------
 dnl Optional features.
 dnl ----------------------------------------------------------------------
-enable_child_waiter_thread=no
 ENABLE_ALLOC_TYPE_VARS=
 AC_SUBST(ENABLE_ALLOC_TYPE_VARS)
 
@@ -143,14 +142,6 @@ AS_HELP_STRING([--enable-dirty-schedulers], [enable dirty scheduler support]),
     *)  enable_dirty_schedulers=yes ;;
   esac ], enable_dirty_schedulers=no)
 
-AC_ARG_ENABLE(halfword-emulator,
-AS_HELP_STRING([--enable-halfword-emulator],
-               [enable halfword emulator (only for 64bit builds). Note: Halfword emulator is marked as deprecated and scheduled for removal in future major release.]),
-[ case "$enableval" in
-    no) enable_halfword_emualtor=no ;;
-    *)  enable_halfword_emulator=yes ;;
-  esac ], enable_halfword_emulator=unknown)
-
 AC_ARG_ENABLE(smp-support,
 AS_HELP_STRING([--enable-smp-support], [enable smp support])
 AS_HELP_STRING([--disable-smp-support], [disable smp support]),
@@ -342,6 +333,15 @@ AS_HELP_STRING([--enable-systemd], [enable systemd support in epmd]),
 [],
 [enable_systemd=no])
 
+AC_ARG_ENABLE(saved-compile-time,
+AS_HELP_STRING([--disable-saved-compile-time], [disable saved compile time]),
+[ case "$enableval" in
+    no) save_compile_time=0 ;;
+    *)  save_compile_time=1 ;;
+  esac ], save_compile_time=1)
+
+AC_DEFINE_UNQUOTED(ERTS_SAVED_COMPILE_TIME, $save_compile_time, [Save compile time?])
+
 dnl Magic test for clearcase.
 OTP_RELEASE=
 if test "${ERLANG_COMMERCIAL_BUILD}" != ""; then
@@ -787,36 +787,18 @@ esac
 	
 AC_SUBST(LIBCARBON)
 
-dnl Check if we should/can build a halfword emulator
-
-AC_MSG_CHECKING(if we are building a halfword emulator (32bit heap on 64bit machine))
-if test "$enable_halfword_emulator" = "yes"; then
-	if test "$ARCH" = "amd64"; then
-		AC_DEFINE(HALFWORD_HEAP_EMULATOR, [1],
-			  [Define if building a halfword-heap 64bit emulator])
-		ENABLE_ALLOC_TYPE_VARS="$ENABLE_ALLOC_TYPE_VARS halfword"
-		AC_MSG_RESULT([yes])
-
-		test -f "$ERL_TOP/erts/CONF_INFO" ||
-		    echo "" > "$ERL_TOP/erts/CONF_INFO"
-		cat >> $ERL_TOP/erts/CONF_INFO <<EOF
-
-                 The HALFWORD emulator has been enabled.
-                 This is a DEPRECATED feature scheduled for removal
-                 in a future major release.
+dnl Check if we should/can build a sharing-preserving emulator
 
-EOF
-	else
-		AC_MSG_ERROR(no; halfword emulator not supported on this architecture)
-	fi
+AC_MSG_CHECKING(if we are building a sharing-preserving emulator)
+if test "$enable_sharing_preserving" = "yes"; then
+        AC_DEFINE(SHCOPY, [1],
+		  [Define if building a sharing-preserving emulator])
+	AC_MSG_RESULT([yes])
 else
 	AC_MSG_RESULT([no])
 fi
 
 
-
-
-
 dnl some tests below will call this if we haven't already - and autoconf
 dnl can't handle those tests being done conditionally at runtime
 AC_PROG_CPP
@@ -935,10 +917,7 @@ dnl what the user say. This might not be the right way to do it, but
 dnl for now that is the way we do it.
 USER_LD=$LD
 USER_LDFLAGS="$LDFLAGS"
-case $host in
-   *ose) ;;
-   *) LD='$(CC)' ;;
-esac
+LD='$(CC)'
 AC_SUBST(LD)
 
 LDFLAG_RUNTIME_LIBRARY_PATH="$CFLAG_RUNTIME_LIBRARY_PATH"
@@ -953,8 +932,6 @@ dnl This is the os flavour, should be unix, ose, vxworks or win32
 case $host in
    win32)
       ERLANG_OSTYPE=win32 ;;
-   *ose)
-      ERLANG_OSTYPE=ose ;;
    *)
       ERLANG_OSTYPE=unix ;;
 esac
@@ -1263,7 +1240,7 @@ case "$enable_threads"-"$found_threads" in
 	AC_MSG_RESULT(yes; enabled by user) ;;
     unknown-yes)
 	case $host_os in
-	    solaris*|linux*|darwin*|win32|ose)
+	    solaris*|linux*|darwin*|win32)
 		emu_threads=yes
 		AC_MSG_RESULT(yes; default on this platform)
 		;;
@@ -1325,11 +1302,7 @@ else
 	    AC_MSG_RESULT(no)
 	fi
 
-	disable_child_waiter_thread=no
 	case $host_os in
-	    solaris*)
-		enable_child_waiter_thread=yes
-		;;
 	    linux*)
 		AC_MSG_CHECKING([whether dlopen() needs to be called before first call to dlerror()])
 		if test "x$ETHR_THR_LIB_BASE_TYPE" != "xposix_nptl"; then
@@ -1339,16 +1312,6 @@ else
 		else
 			AC_MSG_RESULT(no)
 		fi
-		if test "x$ETHR_THR_LIB_BASE_TYPE" != "xposix_nptl"; then
-		    # Child waiter thread cannot be enabled
-		    disable_child_waiter_thread=yes
-		    enable_child_waiter_thread=no
-		fi
-		;;
-	    win32|ose)
-		# Child waiter thread cannot be enabled
-		disable_child_waiter_thread=yes
-		enable_child_waiter_thread=no
 		;;
 	    *)
 		;;
@@ -1368,24 +1331,6 @@ else
 	    esac
 	done
 	EMU_THR_DEFS=$new_emu_thr_defs
-
-	AC_MSG_CHECKING(whether the child waiter thread should be enabled)
-	if test $enable_child_waiter_thread = yes; then
-	    AC_DEFINE(ENABLE_CHILD_WAITER_THREAD,[1],
-		[Define if you want to enable child waiter thread])
-	    AC_MSG_RESULT(yes)
-	else
-	    case $ERTS_BUILD_SMP_EMU-$disable_child_waiter_thread in
-		yes-no)
-		    AC_MSG_RESULT([yes on SMP build, but not on non-SMP build]);;
-		*-yes)
-	    	    AC_DEFINE(DISABLE_CHILD_WAITER_THREAD,[1],
-			[Define if you want to disable child waiter thread])
-		    AC_MSG_RESULT(no);;
-		*)
-		    AC_MSG_RESULT(no);;
-	    esac
-	fi
 fi
 
 AC_SUBST(EMU_THR_LIB_NAME)
@@ -1517,19 +1462,27 @@ dnl
 #	   if -lsocket doesn't work by itself.
 #--------------------------------------------------------------------
 
+tk_oldLibs=$LIBS
 erl_checkBoth=0
+SOCKET_LIBS=""
 AC_CHECK_FUNC(connect, erl_checkSocket=0, erl_checkSocket=1)
 if test "$erl_checkSocket" = 1; then
-    AC_CHECK_LIB(socket, main, LIBS="$LIBS -lsocket", erl_checkBoth=1)
+    AC_CHECK_LIB(socket, main, SOCKET_LIBS="-lsocket", erl_checkBoth=1)
 fi
+
 if test "$erl_checkBoth" = 1; then
-    tk_oldLibs=$LIBS
     LIBS="$LIBS -lsocket -lnsl"
-    AC_CHECK_FUNC(accept, erl_checkNsl=0, [LIBS=$tk_oldLibs])
+    AC_CHECK_FUNC(accept, SOCKET_LIBS="-lsocket -lnsl")
 fi
-AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"]))
+
+LIBS="$tk_oldLibs $SOCKET_LIBS"
+AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, [SOCKET_LIBS="$SOCKET_LIBS -lnsl"]))
 AC_CHECK_FUNC(gethostbyname_r,have_gethostbyname_r=yes)
 
+LIBS="$tk_oldLibs $SOCKET_LIBS"
+
+AC_SUBST(SOCKET_LIBS)
+
 dnl
 dnl These gethostbyname thingies use old style AC_DEFINE for BC with ancient 
 dnl autoconf...
@@ -2109,7 +2062,7 @@ AC_CHECK_FUNCS([getipnodebyname getipnodebyaddr gethostbyname2])
 AC_CHECK_FUNCS([ieee_handler fpsetmask finite isnan isinf res_gethostbyname dlopen \
 		pread pwrite memmove strerror strerror_r strncasecmp \
 		gethrtime localtime_r gmtime_r inet_pton \
-		memcpy mallopt sbrk _sbrk __sbrk brk _brk __brk \
+		mmap mremap memcpy mallopt sbrk _sbrk __sbrk brk _brk __brk \
 		flockfile fstat strlcpy strlcat setsid posix2time time2posix \
 		setlocale nl_langinfo poll mlockall ppoll])
 
@@ -2127,8 +2080,7 @@ fi
 
 case X$erl_xcomp_posix_memalign in
      Xno) ;;
-     Xyes) AC_DEFINE(HAVE_POSIX_MEMALIGN,[1],
-                [Define to 1 if you have the `posix_memalign' function.]) ;;
+     Xyes) have_posix_memalign=yes ;;
      *)
 	AC_CHECK_FUNC(
 		[posix_memalign],
@@ -2143,15 +2095,19 @@ int main(void) {
       return error;
     return 0;
 }
-],AC_DEFINE(HAVE_POSIX_MEMALIGN,[1],
-    [Define to 1 if you have the `posix_memalign' function.])
+],have_posix_memalign=yes
 )
 		 else
-			AC_DEFINE(HAVE_POSIX_MEMALIGN,[1],
-		[Define to 1 if you have the `posix_memalign' function.])
+			have_posix_memalign=yes
 		 fi]);;
 esac
 
+if test $have_posix_memalign = yes; then
+   AC_DEFINE(HAVE_POSIX_MEMALIGN,[1],
+	     [Define to 1 if you have the `posix_memalign' function.])
+fi
+
+
 dnl writev on OS X snow leopard is broken for files > 4GB
 case $host_os in
         darwin10.8.0)
@@ -2161,17 +2117,6 @@ case $host_os in
 	    AC_CHECK_FUNCS([writev]) ;;
 esac
 
-case $host_os in
-        *ose)
-	    AC_MSG_CHECKING([for mmap])
-	    AC_MSG_RESULT(not using for OSE)
-	    AC_MSG_CHECKING([for mremap])
-	    AC_MSG_RESULT(not using for OSE) ;;
-        *)
-	    AC_CHECK_FUNCS([mmap mremap]) ;;
-esac
-
-
 AC_CHECK_DECLS([posix2time, time2posix],,,[#include <time.h>])
 
 disable_vfork=false
@@ -2820,17 +2765,26 @@ LM_SYS_IPV6
 LM_SYS_MULTICAST
 ERL_TIME_CORRECTION
 AC_CHECK_PROG(M4, m4, m4)
+
+
+dnl HiPE cannot run on 64-bit without MAP_FIXED and MAP_NORESERVE
+if test X${enable_hipe} != Xno && test X$ac_cv_sizeof_void_p != X4; then
+   AC_CHECK_DECLS([MAP_FIXED, MAP_NORESERVE], [], [], [#include <sys/mman.h>])
+   if test X$ac_cv_have_decl_MAP_FIXED != Xyes || test X$ac_cv_have_decl_MAP_NORESERVE != Xyes; then
+      if test X${enable_hipe} = Xyes; then
+	 AC_MSG_ERROR([HiPE on 64-bit needs MAP_FIXED and MAP_NORESERVE flags for mmap()])
+      else
+	 enable_hipe=no
+	 AC_MSG_WARN([Disable HiPE due to lack of MAP_FIXED and MAP_NORESERVE flags for mmap()])
+      fi
+   fi
+fi
+
 dnl check to auto-enable hipe here...
 if test "$cross_compiling" != "yes" && test X${enable_hipe} != Xno; then
   if test -z "$M4"; then
 	enable_hipe=no
    	AC_MSG_NOTICE([HiPE disabled as no valid m4 is found in PATH])
-  elif test "$enable_halfword_emulator" = "yes"; then
-       if test X${enable_hipe} = Xyes; then
-              AC_MSG_ERROR([HiPE can not be combined with halfword emulator (yet)])
-       else		    
-   	      AC_MSG_NOTICE([HiPE auto-disabled on halfword emulator])
-       fi	
   else
   	case "$ARCH-$OPSYS" in
 	    x86-linux|amd64-linux|x86-darwin*|amd64-darwin*|ppc-linux|ppc64-linux|ppc-darwin|arm-linux|amd64-freebsd|x86-freebsd|x86-sol2|amd64-sol2|ultrasparc-linux)
@@ -3759,7 +3713,7 @@ dnl crypto
 #
 #--------------------------------------------------------------------
 
-DED_SYS_INCLUDE="-I${ERL_TOP}/erts/emulator/beam -I${ERL_TOP}/erts/include -I${ERL_TOP}/erts/include/$host -I${ERL_TOP}/erts/include/internal -I${ERL_TOP}/erts/include/internal/$host -I${ERL_TOP}/erts/emulator/sys/$ERLANG_OSTYPE"
+DED_SYS_INCLUDE="-I${ERL_TOP}/erts/emulator/beam -I${ERL_TOP}/erts/include -I${ERL_TOP}/erts/include/$host -I${ERL_TOP}/erts/include/internal -I${ERL_TOP}/erts/include/internal/$host -I${ERL_TOP}/erts/emulator/sys/$ERLANG_OSTYPE -I${ERL_TOP}/erts/emulator/sys/common"
 
 if test "X$ETHR_DEFS" = "X"; then
     DED_THR_DEFS="-D_THREAD_SAFE -D_REENTRANT"
@@ -4931,7 +4885,6 @@ AC_OUTPUT(
   Makefile:Makefile.in
   ../make/$host/otp.mk:../make/otp.mk.in
   ../make/$host/otp_ded.mk:../make/otp_ded.mk.in
-  ../make/$host/ose_lm.mk:../make/ose_lm.mk.in
 dnl
 dnl The ones below should be moved to their respective lib
 dnl