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-rw-r--r--erts/Makefile16
-rw-r--r--erts/configure.in353
-rw-r--r--erts/emulator/Makefile.in19
-rw-r--r--erts/emulator/hipe/hipe_bif_list.m413
-rw-r--r--make/otp.mk.in2
5 files changed, 77 insertions, 326 deletions
diff --git a/erts/Makefile b/erts/Makefile
index 12d2ec57a8..73d8560c1e 100644
--- a/erts/Makefile
+++ b/erts/Makefile
@@ -34,7 +34,7 @@ ERTSDIRS += start_scripts
endif
.PHONY: all
-all: $(FLAVORS)
+all: smp
.PHONY: docs
docs:
@@ -44,7 +44,7 @@ docs:
debug opt lcnt clean:
$(V_at)for d in emulator $(ERTSDIRS); do \
if test -d $$d; then \
- ( cd $$d && $(MAKE) $@ FLAVOR=$(FLAVOR) ) || exit $$? ; \
+ ( cd $$d && $(MAKE) $@ ) || exit $$?; \
fi ; \
done
(cd preloaded/src && $(MAKE) ../ebin/erts.app)
@@ -54,10 +54,10 @@ debug opt lcnt clean:
# - don't use them in scripts or assume they will always stay like this!
#
-.PHONY: $(FLAVORS)
-$(FLAVORS):
+.PHONY: smp
+smp:
$(V_at)for type in $(TYPES); do \
- ( $(MAKE) $$type FLAVOR=$@ ); \
+ ( $(MAKE) $$type ) || exit $$?; \
done
# Make erl script and erlc in $(ERL_TOP)/bin which runs the compiled version
@@ -129,10 +129,8 @@ makefiles:
.PHONY: release
release:
- $(V_at)for f in $(FLAVORS); do \
- for t in $(TYPES); do \
- ( cd emulator && $(MAKE) release FLAVOR=$$f TYPE=$$t ) \
- done \
+ for t in $(TYPES); do \
+ ( cd emulator && $(MAKE) release TYPE=$$t ) || exit $$?; \
done
$(V_at)for d in $(ERTSDIRS) $(XINSTDIRS); do \
if test -d $$d; then \
diff --git a/erts/configure.in b/erts/configure.in
index 7c84ce9c75..53386d5500 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -113,8 +113,6 @@ AS_HELP_STRING([--enable-bootstrap-only],
# Disable stuff not necessary in a bootstrap only system in order
# to speed up things by reducing the amount of stuff needing to be
# built...
- enable_threads=no
- enable_smp_support=no
with_termcap=no
with_ssl=no
with_ssl_zlib=no
@@ -124,14 +122,6 @@ AS_HELP_STRING([--enable-bootstrap-only],
fi
])
-AC_ARG_ENABLE(threads,
-AS_HELP_STRING([--enable-threads], [enable async thread support])
-AS_HELP_STRING([--disable-threads], [disable async thread support]),
-[ case "$enableval" in
- no) enable_threads=no ;;
- *) enable_threads=yes ;;
- esac ], enable_threads=unknown)
-
AC_ARG_ENABLE(dirty-schedulers,
AS_HELP_STRING([--enable-dirty-schedulers], [enable dirty scheduler support]),
[ case "$enableval" in
@@ -146,22 +136,6 @@ AS_HELP_STRING([--enable-dirty-schedulers-test], [enable dirty scheduler test (f
*) enable_dirty_schedulers_test=no ;;
esac ], enable_dirty_schedulers_test=no)
-AC_ARG_ENABLE(smp-support,
-AS_HELP_STRING([--enable-smp-support], [enable smp support])
-AS_HELP_STRING([--disable-smp-support], [disable smp support]),
-[ case "$enableval" in
- no) enable_smp_support=no ;;
- *) enable_smp_support=yes ;;
- esac ], enable_smp_support=unknown)
-
-AC_ARG_ENABLE(plain-emulator,
-AS_HELP_STRING([--enable-plain-emulator], [enable plain emulator])
-AS_HELP_STRING([--disable-plain-emulator], [disable plain emulator]),
-[ case "$enableval" in
- no) enable_plain_emulator=no ;;
- *) enable_plain_emulator=yes ;;
- esac ], enable_plain_emulator=unknown)
-
AC_ARG_ENABLE(smp-require-native-atomics,
AS_HELP_STRING([--disable-smp-require-native-atomics],
[disable the SMP requirement of a native atomic implementation]),
@@ -997,73 +971,17 @@ dnl are set by ERL_FIND_ETHR_LIB
ERL_FIND_ETHR_LIB
if test "X$ETHR_LIB_NAME" = "X"; then
- found_threads=no
-else
- found_threads=yes
+ AC_MSG_ERROR([cannot build emulator since no thread library was found])
fi
-FLAVORS=
TYPES=opt
-ERTS_BUILD_SMP_EMU=$enable_smp_support
-AC_MSG_CHECKING(whether an emulator with smp support should be built)
-case $ERTS_BUILD_SMP_EMU in
- yes)
- AC_MSG_RESULT(yes; enabled by user)
- ;;
- no)
- AC_MSG_RESULT(no; disabled by user)
- ;;
- unknown)
- AC_TRY_COMPILE([],[
- #if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
- ;
- #else
- #error old or no gcc
- #endif
- ],
- gcc_smp=okgcc,
- gcc_smp=oldornogcc)
- ERTS_BUILD_SMP_EMU=yes
- case "$enable_threads-$gcc_smp-$found_threads-$host_os" in
-
- no-*)
- AC_MSG_RESULT(no; threads disabled by user)
- ERTS_BUILD_SMP_EMU=no
- ;;
-
- *-okgcc-yes-*)
- AC_MSG_RESULT(yes)
- ERTS_BUILD_SMP_EMU=yes
- ;;
-
- *-win32)
- AC_MSG_RESULT(yes)
- ERTS_BUILD_SMP_EMU=yes
- ;;
-
- *-oldornogcc-*)
- AC_MSG_RESULT(no; old gcc or no gcc found)
- ERTS_BUILD_SMP_EMU=no
- ;;
-
- *)
- AC_MSG_RESULT(no)
- ERTS_BUILD_SMP_EMU=no
- ;;
- esac
- ;;
-esac
AC_MSG_CHECKING(whether dirty schedulers should be enabled)
-case $ERTS_BUILD_SMP_EMU-$enable_dirty_schedulers in
- yes-yes)
+case $enable_dirty_schedulers in
+ yes)
DIRTY_SCHEDULER_SUPPORT=yes;;
- yes-default)
+ default)
DIRTY_SCHEDULER_SUPPORT=yes;;
- no-default)
- DIRTY_SCHEDULER_SUPPORT=no;;
- no-yes)
- AC_MSG_ERROR([No smp emulator will be built, but dirty schedulers requested]);;
*)
DIRTY_SCHEDULER_SUPPORT=no;;
esac
@@ -1086,26 +1004,15 @@ test $DIRTY_SCHEDULER_TEST != yes || {
EOF
}
-if test $ERTS_BUILD_SMP_EMU = yes; then
-
- DEFAULT_FLAVOR=smp
- FLAVORS="$FLAVORS smp"
-
- if test $found_threads = no; then
- AC_MSG_ERROR([cannot build smp enabled emulator since no thread library was found])
- fi
-
- AC_DEFINE(ERTS_HAVE_SMP_EMU, 1, [Define if the smp emulator is built])
-
- test "X$smp_require_native_atomics" = "Xyes" &&
- AC_DEFINE(ETHR_SMP_REQUIRE_NATIVE_IMPLS, 1, [Define if you want to enable check for native ethread implementations])
+test "X$smp_require_native_atomics" = "Xyes" &&
+ AC_DEFINE(ETHR_SMP_REQUIRE_NATIVE_IMPLS, 1, [Define if you want to enable check for native ethread implementations])
- case "$ethr_have_native_atomics-$smp_require_native_atomics-$ethr_have_native_spinlock" in
- yes-*)
- if test "$ethr_native_atomic_implementation" = "gcc_sync"; then
- test -f "$ERL_TOP/erts/CONF_INFO" ||
- echo "" > "$ERL_TOP/erts/CONF_INFO"
- cat >> $ERL_TOP/erts/CONF_INFO <<EOF
+case "$ethr_have_native_atomics-$smp_require_native_atomics-$ethr_have_native_spinlock" in
+ yes-*)
+ if test "$ethr_native_atomic_implementation" = "gcc_sync"; then
+ test -f "$ERL_TOP/erts/CONF_INFO" ||
+ echo "" > "$ERL_TOP/erts/CONF_INFO"
+ cat >> $ERL_TOP/erts/CONF_INFO <<EOF
WARNING:
Only gcc's __sync_* builtins available for
@@ -1122,18 +1029,18 @@ if test $ERTS_BUILD_SMP_EMU = yes; then
more information.
EOF
- fi
- ;;
+ fi
+ ;;
- no-yes-*)
- AC_MSG_ERROR([No native atomic implementation found. See the \"Atomic Memory Operations and the VM\" chapter of \$ERL_TOP/HOWTO/INSTALL.md for more information.])
- ;;
+ no-yes-*)
+ AC_MSG_ERROR([No native atomic implementation found. See the \"Atomic Memory Operations and the VM\" chapter of \$ERL_TOP/HOWTO/INSTALL.md for more information.])
+ ;;
- no-no-yes)
+ no-no-yes)
- test -f "$ERL_TOP/erts/CONF_INFO" ||
- echo "" > "$ERL_TOP/erts/CONF_INFO"
- cat >> $ERL_TOP/erts/CONF_INFO <<EOF
+ test -f "$ERL_TOP/erts/CONF_INFO" ||
+ echo "" > "$ERL_TOP/erts/CONF_INFO"
+ cat >> $ERL_TOP/erts/CONF_INFO <<EOF
No native atomic implementation available.
Fallbacks implemented using spinlocks will be
@@ -1142,13 +1049,12 @@ EOF
this.
EOF
- ;;
-
- no-no-no)
+ ;;
- test -f "$ERL_TOP/erts/CONF_INFO" ||
- echo "" > "$ERL_TOP/erts/CONF_INFO"
- cat >> "$ERL_TOP/erts/CONF_INFO" <<EOF
+ no-no-no)
+ test -f "$ERL_TOP/erts/CONF_INFO" ||
+ echo "" > "$ERL_TOP/erts/CONF_INFO"
+ cat >> "$ERL_TOP/erts/CONF_INFO" <<EOF
No native atomic implementation, nor no native
spinlock implementation available. Fallbacks
@@ -1157,76 +1063,11 @@ EOF
will suffer immensely due to this.
EOF
- ;;
-
- esac
-
- enable_threads=force
-fi
-
-AC_SUBST(ERTS_BUILD_SMP_EMU)
-
-ERTS_BUILD_PLAIN_EMU=$enable_plain_emulator
-AC_MSG_CHECKING(whether an emulator without smp support should be built)
-case $ERTS_BUILD_PLAIN_EMU in
- yes)
- AC_MSG_RESULT(yes; enabled by user)
- ;;
- no)
- AC_MSG_RESULT(no; disabled by user)
;;
- unknown)
- case "$enable_threads-$ERTS_BUILD_SMP_EMU" in
- no-*)
- ERTS_BUILD_PLAIN_EMU=yes
- AC_MSG_RESULT(yes)
- ;;
- *-no)
- ERTS_BUILD_PLAIN_EMU=yes
- AC_MSG_RESULT(yes; enabled as smp emulator was disabled)
- ;;
- *)
- ERTS_BUILD_PLAIN_EMU=no
- AC_MSG_RESULT(no)
- ;;
- esac
- ;;
-esac
-
-case $ERTS_BUILD_PLAIN_EMU in
- yes)
- AC_DEFINE(ERTS_HAVE_PLAIN_EMU, 1, [Define if the non-smp emulator is built])
- FLAVORS="$FLAVORS plain"
- test -f "$ERL_TOP/erts/CONF_INFO" || echo "" > "$ERL_TOP/erts/CONF_INFO"
- cat >> $ERL_TOP/erts/CONF_INFO <<EOF
-
- The PLAIN aka NON-SMP emulator has been enabled.
- This is a DEPRECATED feature scheduled for removal
- in a future major release.
-EOF
- ;;
- no)
- ;;
esac
-
-AC_SUBST(ERTS_BUILD_PLAIN_EMU)
-AC_SUBST(FLAVORS)
AC_SUBST(TYPES)
-case "$ERTS_BUILD_PLAIN_EMU-$ERTS_BUILD_SMP_EMU" in
- no-no)
- AC_MSG_ERROR([both smp and non-smp emulators have been disabled, one of them has to be enabled])
- ;;
- *-no)
- DEFAULT_FLAVOR=plain
- ;;
- *)
- ;;
-esac
-
-AC_SUBST(DEFAULT_FLAVOR)
-
AC_CHECK_FUNCS([posix_fadvise closefrom])
AC_CHECK_HEADERS([linux/falloc.h])
dnl * Old glibcs have broken fallocate64(). Make sure not to use it.
@@ -1286,121 +1127,65 @@ if test $i_cv_posix_fallocate_works = yes; then
fi
#
-# Figure out if the emulator should use threads. The default is set above
-# in the enable_threads variable. It can have the following values:
-#
-# no single-threaded emulator requested
-# yes multi-threaded emulator requested
-# force multi-threaded emulator required
-#
# EMU_THR_LIB_NAME, EMU_THR_LIBS, EMU_THR_X_LIBS, and EMU_THR_DEFS is
# used by the emulator, and can (but should not) be used by applications
# that only require thread support when the emulator has thread support.
# Other applications should use ETHR_LIB_NAME, ETHR_LIBS, ETHR_X_LIBS,
# and ETHR_DEFS.
#
-AC_MSG_CHECKING(whether the emulator should use threads)
EMU_THR_LIB_NAME=
EMU_THR_X_LIBS=
EMU_THR_LIBS=
EMU_THR_DEFS=
-emu_threads=no
-
-case "$enable_threads"-"$host_os" in
- *-win32)
- # The windows erlang emulator can never run without threads.
- # It has to be enabled or the emulator will crash. Until that
- # is fixed we force threads on win32.
- enable_threads=force ;;
- yes-osf*)
- # The emulator hang when threads are enabled on osf
- AC_MSG_ERROR(unresolved problems exist with threads on this platform) ;;
- *) ;;
-esac
-case "$enable_threads"-"$found_threads" in
- force-yes)
- emu_threads=yes
- AC_MSG_RESULT(yes; thread support required and therefore forced) ;;
- yes-yes)
- emu_threads=yes
- AC_MSG_RESULT(yes; enabled by user) ;;
- unknown-yes)
- case $host_os in
- solaris*|linux*|darwin*|win32)
- emu_threads=yes
- AC_MSG_RESULT(yes; default on this platform)
- ;;
- *)
- AC_MSG_RESULT(no; default on this platform)
- ;;
- esac
- ;;
- no-yes)
- AC_MSG_RESULT(no; thread support found but disabled by user) ;;
- unknown-no|no-no)
- AC_MSG_RESULT(no) ;;
- force-no)
- AC_MSG_ERROR(thread support required but not found) ;;
- yes-no)
- AC_MSG_ERROR(thread support enabled by user but not found) ;;
- *)
- AC_MSG_ERROR(internal error) ;;
-esac
+# Threads enabled for emulator
+EMU_THR_LIB_NAME=$ETHR_LIB_NAME
+EMU_THR_X_LIBS=$ETHR_X_LIBS
+EMU_THR_LIBS=$ETHR_LIBS
+EMU_THR_DEFS=$ETHR_DEFS
+ENABLE_ALLOC_TYPE_VARS="$ENABLE_ALLOC_TYPE_VARS threads"
+AC_MSG_CHECKING(whether lock checking should be enabled)
+AC_MSG_RESULT($enable_lock_check)
+if test "x$enable_lock_check" != "xno"; then
+ EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_ENABLE_LOCK_CHECK"
+fi
-if test $emu_threads != yes; then
- enable_lock_check=no
- enable_lock_count=no
-else
- # Threads enabled for emulator
- EMU_THR_LIB_NAME=$ETHR_LIB_NAME
- EMU_THR_X_LIBS=$ETHR_X_LIBS
- EMU_THR_LIBS=$ETHR_LIBS
- EMU_THR_DEFS=$ETHR_DEFS
- ENABLE_ALLOC_TYPE_VARS="$ENABLE_ALLOC_TYPE_VARS threads"
- AC_MSG_CHECKING(whether lock checking should be enabled)
- AC_MSG_RESULT($enable_lock_check)
- if test "x$enable_lock_check" != "xno"; then
- EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_ENABLE_LOCK_CHECK"
- fi
+AC_MSG_CHECKING(whether lock counters should be enabled)
+AC_MSG_RESULT($enable_lock_count)
+if test "x$enable_lock_count" != "xno"; then
+ TYPES="$TYPES lcnt"
+fi
- AC_MSG_CHECKING(whether lock counters should be enabled)
- AC_MSG_RESULT($enable_lock_count)
- if test "x$enable_lock_count" != "xno"; then
- TYPES="$TYPES lcnt"
+case $host_os in
+ linux*)
+ AC_MSG_CHECKING([whether dlopen() needs to be called before first call to dlerror()])
+ if test "x$ETHR_THR_LIB_BASE_TYPE" != "xposix_nptl"; then
+ AC_DEFINE(ERTS_NEED_DLOPEN_BEFORE_DLERROR,[1],
+ [Define if dlopen() needs to be called before first call to dlerror()])
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT(no)
fi
+ ;;
+ *)
+ ;;
+esac
- case $host_os in
- linux*)
- AC_MSG_CHECKING([whether dlopen() needs to be called before first call to dlerror()])
- if test "x$ETHR_THR_LIB_BASE_TYPE" != "xposix_nptl"; then
- AC_DEFINE(ERTS_NEED_DLOPEN_BEFORE_DLERROR,[1],
- [Define if dlopen() needs to be called before first call to dlerror()])
- AC_MSG_RESULT(yes)
- else
- AC_MSG_RESULT(no)
- fi
- ;;
- *)
- ;;
- esac
-
- # Remove -D_WIN32_WINNT*, -DWINVER* and -D_GNU_SOURCE from EMU_THR_DEFS
- # (defined in CFLAGS). Note that we want to keep these flags
- # in ETHR_DEFS, but not in EMU_THR_DEFS.
- new_emu_thr_defs=
- for thr_def in $EMU_THR_DEFS; do
- case $thr_def in
- -D_GNU_SOURCE*|-D_WIN32_WINNT*|-DWINVER*)
- ;;
- *)
- new_emu_thr_defs="$new_emu_thr_defs $thr_def"
- ;;
- esac
- done
- EMU_THR_DEFS=$new_emu_thr_defs
-fi
+# Remove -D_WIN32_WINNT*, -DWINVER* and -D_GNU_SOURCE from EMU_THR_DEFS
+# (defined in CFLAGS). Note that we want to keep these flags
+# in ETHR_DEFS, but not in EMU_THR_DEFS.
+new_emu_thr_defs=
+for thr_def in $EMU_THR_DEFS; do
+ case $thr_def in
+ -D_GNU_SOURCE*|-D_WIN32_WINNT*|-DWINVER*)
+ ;;
+ *)
+ new_emu_thr_defs="$new_emu_thr_defs $thr_def"
+ ;;
+ esac
+done
+EMU_THR_DEFS=$new_emu_thr_defs
AC_SUBST(EMU_THR_LIB_NAME)
AC_SUBST(EMU_THR_X_LIBS)
diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in
index 1ae905276d..88ac3f652c 100644
--- a/erts/emulator/Makefile.in
+++ b/erts/emulator/Makefile.in
@@ -178,27 +178,10 @@ endif
# NOTE: When adding a new type update ERL_BUILD_TYPE_MARKER in sys/unix/sys.c
#
-FLAVOR=$(DEFAULT_FLAVOR)
-
-ifeq ($(FLAVOR),plain)
-
-DS_SUPPORT=no
-DS_TEST=no
-
-FLAVOR_MARKER=
-FLAVOR_FLAGS=
-ENABLE_ALLOC_TYPE_VARS += nofrag
-M4FLAGS +=
-
-else # FLAVOR
-
-# If flavor isn't one of the above, it *is* smp flavor...
override FLAVOR=smp
FLAVOR_MARKER=.smp
-FLAVOR_FLAGS=-DERTS_SMP
ENABLE_ALLOC_TYPE_VARS += smp nofrag
-M4FLAGS += -DERTS_SMP=1
ifeq ($(DIRTY_SCHEDULER_SUPPORT),yes)
THR_DEFS += -DERTS_DIRTY_SCHEDULERS
DS_SUPPORT=yes
@@ -215,8 +198,6 @@ DS_SUPPORT=no
DS_TEST=no
endif # DIRTY_SCHEDULER_SUPPORT
-endif # FLAVOR
-
TF_MARKER=$(TYPEMARKER)$(FLAVOR_MARKER)
ifeq ($(TYPE)-@HAVE_VALGRIND@,valgrind-no)
diff --git a/erts/emulator/hipe/hipe_bif_list.m4 b/erts/emulator/hipe/hipe_bif_list.m4
index f034c4700c..bebe20a18e 100644
--- a/erts/emulator/hipe/hipe_bif_list.m4
+++ b/erts/emulator/hipe/hipe_bif_list.m4
@@ -262,18 +262,12 @@ noproc_primop_interface_2(nbif_bs_get_utf16, erts_bs_get_utf16)
noproc_primop_interface_2(nbif_bs_validate_unicode_retract, hipe_bs_validate_unicode_retract)
/*
- * Bit-syntax primops. The ERTS_SMP runtime system requires P,
+ * Bit-syntax primops. The runtime system requires P,
* hence the use of nocons_nofail_primop_interface_N().
- * When ERTS_SMP is disabled, noproc_primop_interface_N()
- * should be used instead.
*/
nocons_nofail_primop_interface_5(nbif_bs_put_small_float, hipe_bs_put_small_float)
noproc_primop_interface_5(nbif_bs_put_bits, hipe_bs_put_bits)
-ifelse(ERTS_SMP,1,`
nocons_nofail_primop_interface_5(nbif_bs_put_big_integer, hipe_bs_put_big_integer)
-',`
-noproc_primop_interface_5(nbif_bs_put_big_integer, hipe_bs_put_big_integer)
-')dnl
nofail_primop_interface_0(nbif_check_get_msg, hipe_check_get_msg)
@@ -283,13 +277,8 @@ nocons_nofail_primop_interface_0(nbif_emulate_fpe, hipe_emulate_fpe)
noproc_primop_interface_1(nbif_emasculate_binary, hipe_emasculate_binary)
-/*
- * SMP-specific stuff
- */
-ifelse(ERTS_SMP,1,`
nocons_nofail_primop_interface_0(nbif_clear_timeout, hipe_clear_timeout)
noproc_primop_interface_1(nbif_atomic_inc, hipe_atomic_inc)
-',)dnl
/*
* BIFs that disable GC while trapping are called via a wrapper
diff --git a/make/otp.mk.in b/make/otp.mk.in
index 83bab7065d..3ab04f8256 100644
--- a/make/otp.mk.in
+++ b/make/otp.mk.in
@@ -47,8 +47,6 @@ CROSS_COMPILING = @CROSS_COMPILING@
# ----------------------------------------------------
DEFAULT_TARGETS = opt debug release release_docs clean docs
-DEFAULT_FLAVOR=@DEFAULT_FLAVOR@
-FLAVORS=@FLAVORS@
TYPES=@TYPES@
# Slash separated list of return values from $(origin VAR)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 01:44:41 +0000