Merge branch 'raimo/parallel-make/OTP-9857' into maint

* raimo/parallel-make/OTP-9857:
  Work around windows .pdb parallel make collision
  erts: Fix recently broken documentation build

2 files changed, 126 insertions, 108 deletions

diff --git a/erts/Makefile.in b/erts/Makefile.in
index 2b4f562c06..1979c50781 100644
--- a/erts/Makefile.in
+++ b/erts/Makefile.in
@@ -156,4 +156,4 @@ release:
 
 .PHONY: release_docs
 release_docs:
-	( cd emulator && $(MAKE) $@ )
+	( cd doc/src && $(MAKE) $@ )
diff --git a/erts/etc/common/Makefile.in b/erts/etc/common/Makefile.in
index 18f25b017b..28c5e5ccad 100644
--- a/erts/etc/common/Makefile.in
+++ b/erts/etc/common/Makefile.in
@@ -166,9 +166,8 @@ ERLSRV_OBJECTS= \
 	$(OBJDIR)/erlsrv_main.o \
 	$(OBJDIR)/erlsrv_util.o \
 	$(OBJDIR)/erlsrv_logmess.res
-MC_OUTPUTS= \
-	$(OBJDIR)/erlsrv_logmess.h $(OBJDIR)/erlsrv_logmess.rc
-	MT_FLAG="-MT"
+MC_OUTPUTS=$(OBJDIR)/erlsrv_logmess.h $(OBJDIR)/erlsrv_logmess.rc
+MT_FLAG="-MT"
 else
 ERLRES_OBJ=erl_res.o
 ERLSRV_OBJECTS= \
@@ -178,9 +177,8 @@ ERLSRV_OBJECTS= \
 	$(OBJDIR)/erlsrv_main.o \
 	$(OBJDIR)/erlsrv_util.o \
 	$(OBJDIR)/erlsrv_logmess.o
-MC_OUTPUTS= \
-	$(OBJDIR)/erlsrv_logmess.h $(OBJDIR)/erlsrv_logmess.res
-	MT_FLAG="-MD"
+MC_OUTPUTS=$(OBJDIR)/erlsrv_logmess.h $(OBJDIR)/erlsrv_logmess.res
+MT_FLAG="-MD"
 endif
 INET_GETHOST = $(BINDIR)/inet_gethost.exe
 INSTALL_EMBEDDED_PROGS += $(BINDIR)/typer.exe $(BINDIR)/dialyzer.exe $(BINDIR)/erlc.exe $(BINDIR)/start_erl.exe $(BINDIR)/escript.exe $(BINDIR)/ct_run.exe
@@ -289,83 +287,6 @@ endif
 	rm -f $(TEXTFILES)
 	rm -f *~ core
 
-#
-# Objects & executables
-#
-#$(OBJDIR)/%.o: %.c
-#	$(CC) $(CFLAGS) -o $@ -c $<
-#
-#$(OBJDIR)/%.o: ../unix/%.c
-#	$(CC) $(CFLAGS) -o $@ -c $<
-#
-#$(BINDIR)/%: $(OBJDIR)/%.o
-#	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $< $(LIBS)
-
-$(OBJDIR)/inet_gethost.o: inet_gethost.c
-	$(CC) $(CFLAGS) -o $@ -c inet_gethost.c
-
-$(BINDIR)/inet_gethost@EXEEXT@: $(OBJDIR)/inet_gethost.o $(ENTRY_OBJ) $(ERTS_LIB)
-	$(PURIFY) $(LD) $(LDFLAGS) $(ENTRY_LDFLAGS) -o $@ $(OBJDIR)/inet_gethost.o $(ENTRY_OBJ) $(LIBS) $(ERTS_INTERNAL_LIBS)
-
-$(BINDIR)/run_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o
-	$(LD) $(LDFLAGS) -o $@ $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o $(LIBS)
-
-$(OBJDIR)/run_erl.o: ../unix/run_erl.c
-	$(CC) $(CFLAGS) -o $@ -c ../unix/run_erl.c
-
-$(BINDIR)/to_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/to_erl.o
-	$(LD) $(LDFLAGS) -o $@  $(OBJDIR)/safe_string.o $(OBJDIR)/to_erl.o
-
-$(OBJDIR)/to_erl.o: ../unix/to_erl.c
-	$(CC) $(CFLAGS) -o $@ -c ../unix/to_erl.c
-
-$(BINDIR)/dyn_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/dyn_erl.o
-	$(LD) $(LDFLAGS) -o $@  $(OBJDIR)/safe_string.o $(OBJDIR)/dyn_erl.o
-
-$(OBJDIR)/dyn_erl.o: ../unix/dyn_erl.c
-	$(CC) $(CFLAGS) -o $@ -c ../unix/dyn_erl.c
-
-$(OBJDIR)/safe_string.o: ../unix/safe_string.c
-	$(CC) $(CFLAGS) -o $@ -c ../unix/safe_string.c
-
-ifneq ($(TARGET),win32)
-$(BINDIR)/$(ERLEXEC): $(OBJDIR)/$(ERLEXEC).o $(ERTS_LIB)
-	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/$(ERLEXEC).o $(ERTS_INTERNAL_LIBS)
-
-$(OBJDIR)/$(ERLEXEC).o: $(ERLEXECDIR)/$(ERLEXEC).c
-	$(CC) -I$(EMUDIR) $(CFLAGS) -o $@ -c $(ERLEXECDIR)/$(ERLEXEC).c
-endif
-$(BINDIR)/erlc@EXEEXT@: $(OBJDIR)/erlc.o $(ERTS_LIB)
-	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/erlc.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
-
-$(OBJDIR)/erlc.o: erlc.c
-	$(CC) $(CFLAGS) -o $@ -c erlc.c
-
-$(BINDIR)/dialyzer@EXEEXT@: $(OBJDIR)/dialyzer.o $(ERTS_LIB)
-	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/dialyzer.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
-
-$(OBJDIR)/dialyzer.o: dialyzer.c
-	$(CC) $(CFLAGS) -o $@ -c dialyzer.c
-
-$(BINDIR)/typer@EXEEXT@: $(OBJDIR)/typer.o $(ERTS_LIB)
-	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/typer.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
-
-$(OBJDIR)/typer.o: typer.c
-	$(CC) $(CFLAGS) -o $@ -c typer.c
-
-$(BINDIR)/escript@EXEEXT@: $(OBJDIR)/escript.o $(ERTS_LIB)
-	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/escript.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
-
-$(OBJDIR)/escript.o: escript.c
-	$(CC) $(CFLAGS) -o $@ -c escript.c
-
-$(BINDIR)/ct_run@EXEEXT@: $(OBJDIR)/ct_run.o $(ERTS_LIB)
-	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/ct_run.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
-
-$(OBJDIR)/ct_run.o: ct_run.c
-	$(CC) $(CFLAGS) -o $@ -c ct_run.c
-
-
 #------------------------------------------------------------------------
 # Windows specific targets
 # The windows platform is quite different from the others. erl/werl are small C programs
@@ -391,58 +312,75 @@ $(BINDIR)/start_erl@EXEEXT@: $(OBJDIR)/start_erl.o
 $(BINDIR)/Install@EXEEXT@: $(OBJDIR)/Install.o  $(OBJDIR)/init_file.o 
 	$(LD) $(LDFLAGS) -o $@  $(OBJDIR)/Install.o  $(OBJDIR)/init_file.o
 
+# The service expects to be compiled with $(MT_FLAG) flag.
 $(BINDIR)/erlsrv@EXEEXT@: $(ERLSRV_OBJECTS)
 	$(LD) $(LDFLAGS) $(MT_FLAG) -o $@ $(ERLSRV_OBJECTS)
 
-# The service expects to be compiled with $(MT_FLAG) flag.
-
-$(OBJDIR)/%.o: $(WINETC)/erlsrv/%.c $(ERLSRV_HEADERS)
-	$(CC) $(CFLAGS) $(MT_FLAG) -o $@ -c $<
-
-$(OBJDIR)/erlsrv_util.o: $(WINETC)/erlsrv/erlsrv_util.c $(ERLSRV_HEADERS) \
-$(OBJDIR)/erlsrv_logmess.h
-	$(CC) $(CFLAGS) -I$(OBJDIR) $(MT_FLAG) -o $@ -c $<
+# To fix a spooky parallel make build problem on Windows there are some
+# false dependencies on the $(MC), $(RC) and .o rules. The theory behind
+# is that the $(MC) and/or $(RC) compilers seems to temporarily create and
+# destroy a toplevel file vc100.pdb that simultaneous ordinary compilations
+# (that have been by flags explicitly ordered to not use .pdb files)
+# gets upset when that file vanishes from under their feet.
+#
+# The false dependencies are targeted to make make (pun intended) run
+# the $(MC) and $(RC) compilations to completion before all others.
+
+LOGMESS_GENERATED = $(OBJDIR)/LOGMESS-GENERATED
+$(MC_OUTPUTS): $(LOGMESS_GENERATED)
+$(LOGMESS_GENERATED): $(WINETC)/erlsrv/erlsrv_logmess.mc
+	$(MC) -o $(OBJDIR) $(WINETC)/erlsrv/erlsrv_logmess.mc && \
+		echo $? >$(LOGMESS_GENERATED)
+
+$(OBJDIR)/$(ERLRES_OBJ): $(WINETC)/erl.rc $(WINETC)/erlang.ico \
+		$(WINETC)/erl_icon.ico $(WINETC)/hrl_icon.ico \
+		$(WINETC)/beam_icon.ico $(LOGMESS_GENERATED)
+	$(RC) -o $@ -I$(WINETC) $(WINETC)/erl.rc
 
 ifeq ($(USING_VC), yes)
-$(OBJDIR)/erlsrv_logmess.res: $(OBJDIR)/erlsrv_logmess.rc
+RC_GENERATED = $(OBJDIR)/erlsrv_logmess.res
+$(RC_GENERATED): $(OBJDIR)/erlsrv_logmess.rc $(OBJDIR)/$(ERLRES_OBJ)
 	$(RC) -o $(OBJDIR)/erlsrv_logmess.res -I$(OBJDIR) $(OBJDIR)/erlsrv_logmess.rc
 else
-$(OBJDIR)/erlsrv_logmess.o: $(OBJDIR)/erlsrv_logmess.res
+RC_GENERATED = $(OBJDIR)/erlsrv_logmess.o
+$(RC_GENERATED): $(OBJDIR)/erlsrv_logmess.res $(OBJDIR)/$(ERLRES_OBJ)
 	$(RC) -o $(OBJDIR)/erlsrv_logmess.o -I$(OBJDIR) $(OBJDIR)/erlsrv_logmess.res
 endif
 
-$(MC_OUTPUTS): $(WINETC)/erlsrv/erlsrv_logmess.mc
-	$(MC) -o $(OBJDIR) $(WINETC)/erlsrv/erlsrv_logmess.mc
+# The service expects to be compiled with $(MT_FLAG) flag.
+$(OBJDIR)/%.o: $(WINETC)/erlsrv/%.c $(ERLSRV_HEADERS) $(RC_GENERATED)
+	$(CC) $(CFLAGS) $(MT_FLAG) -o $@ -c $<
 
-$(OBJDIR)/werl.o: $(WINETC)/erl.c
+$(OBJDIR)/erlsrv_util.o: $(WINETC)/erlsrv/erlsrv_util.c $(ERLSRV_HEADERS) \
+		$(OBJDIR)/erlsrv_logmess.h $(RC_GENERATED)
+	$(CC) $(CFLAGS) -I$(OBJDIR) $(MT_FLAG) -o $@ -c $<
+
+$(OBJDIR)/werl.o: $(WINETC)/erl.c $(WINETC)/init_file.h $(RC_GENERATED)
 	$(CC) $(CFLAGS) -DBUILD_TYPE=\"-$(TYPE)\" -DERL_RUN_SHARED_LIB=1 \
 	-DWIN32_WERL -o $@ -c $(WINETC)/erl.c
 
-$(OBJDIR)/erl.o: $(WINETC)/erl.c
+$(OBJDIR)/erl.o: $(WINETC)/erl.c $(WINETC)/init_file.h $(RC_GENERATED)
 	$(CC) $(CFLAGS) -DBUILD_TYPE=\"-$(TYPE)\" -DERL_RUN_SHARED_LIB=1 \
 	-o $@ -c $(WINETC)/erl.c
 
-$(OBJDIR)/erlexec.o: $(ERLEXECDIR)/erlexec.c
+$(OBJDIR)/erlexec.o: $(ERLEXECDIR)/erlexec.c $(RC_GENERATED)
 	$(CC) $(CFLAGS) -DBUILD_TYPE=\"-$(TYPE)\" -DERL_RUN_SHARED_LIB=1 \
 	-o $@ -c $(ERLEXECDIR)/erlexec.c
 
-$(OBJDIR)/win_erlexec.o: $(WINETC)/win_erlexec.c
+$(OBJDIR)/win_erlexec.o: $(WINETC)/win_erlexec.c $(RC_GENERATED)
 	$(CC) $(CFLAGS) -DBUILD_TYPE=\"-$(TYPE)\" -DERL_RUN_SHARED_LIB=1 \
 	-o $@ -c $(WINETC)/win_erlexec.c
 
-$(OBJDIR)/init_file.o: $(WINETC)/init_file.c $(WINETC)/init_file.h
+$(OBJDIR)/init_file.o: $(WINETC)/init_file.c $(WINETC)/init_file.h $(RC_GENERATED)
 	$(CC) $(CFLAGS) -o $@ -c $(WINETC)/init_file.c
 
-$(OBJDIR)/Install.o: $(WINETC)/Install.c $(WINETC)/init_file.h
+$(OBJDIR)/Install.o: $(WINETC)/Install.c $(WINETC)/init_file.h $(RC_GENERATED)
 	$(CC) $(CFLAGS) -o $@ -c $(WINETC)/Install.c
 
-$(OBJDIR)/$(ERLRES_OBJ): $(WINETC)/erl.rc $(WINETC)/erlang.ico $(WINETC)/erl_icon.ico $(WINETC)/hrl_icon.ico $(WINETC)/beam_icon.ico
-	$(RC) -o $@ -I$(WINETC) $(WINETC)/erl.rc
-
-$(OBJDIR)/start_erl.o: $(WINETC)/start_erl.c
+$(OBJDIR)/start_erl.o: $(WINETC)/start_erl.c $(RC_GENERATED)
 	$(CC) $(CFLAGS) -o $@ -c $(WINETC)/start_erl.c
 
-$(ENTRY_OBJ): $(ENTRY_SRC)
+$(ENTRY_OBJ): $(ENTRY_SRC) $(RC_GENERATED)
 	$(CC) $(CFLAGS) -o $@ -c $(ENTRY_SRC)
 
 Install.ini:	../$(TARGET)/Install.src ../../vsn.mk $(TARGET)/Makefile
@@ -451,6 +389,8 @@ Install.ini:	../$(TARGET)/Install.src ../../vsn.mk $(TARGET)/Makefile
           ../$(TARGET)/Install.src > Install.ini
 
 
+else
+RC_GENERATED =
 endif
 #---------------------------------------------------------
 # End of windows specific targets.
@@ -478,7 +418,7 @@ $(BINDIR)/heart@EXEEXT@: $(OBJDIR)/heart.o $(ENTRY_OBJ)
 	$(LD) $(LDFLAGS) $(ENTRY_LDFLAGS) -o $@ $(OBJDIR)/heart.o \
 		$(ENTRY_OBJ) $(WINDSOCK)
 
-$(OBJDIR)/heart.o: heart.c
+$(OBJDIR)/heart.o: heart.c $(RC_GENERATED)
 	$(CC) $(CFLAGS) -o $@ -c heart.c
 
 endif
@@ -506,6 +446,84 @@ $(OBJDIR)/vxcall.o: $(VXETC)/vxcall.c
 
 
 
+#
+# Objects & executables
+#
+#$(OBJDIR)/%.o: %.c
+#	$(CC) $(CFLAGS) -o $@ -c $<
+#
+#$(OBJDIR)/%.o: ../unix/%.c
+#	$(CC) $(CFLAGS) -o $@ -c $<
+#
+#$(BINDIR)/%: $(OBJDIR)/%.o
+#	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $< $(LIBS)
+
+$(OBJDIR)/inet_gethost.o: inet_gethost.c $(RC_GENERATED)
+	$(CC) $(CFLAGS) -o $@ -c inet_gethost.c
+
+$(BINDIR)/inet_gethost@EXEEXT@: $(OBJDIR)/inet_gethost.o $(ENTRY_OBJ) $(ERTS_LIB)
+	$(PURIFY) $(LD) $(LDFLAGS) $(ENTRY_LDFLAGS) -o $@ $(OBJDIR)/inet_gethost.o $(ENTRY_OBJ) $(LIBS) $(ERTS_INTERNAL_LIBS)
+
+$(BINDIR)/run_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o
+	$(LD) $(LDFLAGS) -o $@ $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o $(LIBS)
+
+$(OBJDIR)/run_erl.o: ../unix/run_erl.c $(RC_GENERATED)
+	$(CC) $(CFLAGS) -o $@ -c ../unix/run_erl.c
+
+$(BINDIR)/to_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/to_erl.o
+	$(LD) $(LDFLAGS) -o $@  $(OBJDIR)/safe_string.o $(OBJDIR)/to_erl.o
+
+$(OBJDIR)/to_erl.o: ../unix/to_erl.c $(RC_GENERATED)
+	$(CC) $(CFLAGS) -o $@ -c ../unix/to_erl.c
+
+$(BINDIR)/dyn_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/dyn_erl.o
+	$(LD) $(LDFLAGS) -o $@  $(OBJDIR)/safe_string.o $(OBJDIR)/dyn_erl.o
+
+$(OBJDIR)/dyn_erl.o: ../unix/dyn_erl.c $(RC_GENERATED)
+	$(CC) $(CFLAGS) -o $@ -c ../unix/dyn_erl.c
+
+$(OBJDIR)/safe_string.o: ../unix/safe_string.c $(RC_GENERATED)
+	$(CC) $(CFLAGS) -o $@ -c ../unix/safe_string.c
+
+ifneq ($(TARGET),win32)
+$(BINDIR)/$(ERLEXEC): $(OBJDIR)/$(ERLEXEC).o $(ERTS_LIB)
+	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/$(ERLEXEC).o $(ERTS_INTERNAL_LIBS)
+
+$(OBJDIR)/$(ERLEXEC).o: $(ERLEXECDIR)/$(ERLEXEC).c $(RC_GENERATED)
+	$(CC) -I$(EMUDIR) $(CFLAGS) -o $@ -c $(ERLEXECDIR)/$(ERLEXEC).c
+endif
+$(BINDIR)/erlc@EXEEXT@: $(OBJDIR)/erlc.o $(ERTS_LIB)
+	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/erlc.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
+
+$(OBJDIR)/erlc.o: erlc.c $(RC_GENERATED)
+	$(CC) $(CFLAGS) -o $@ -c erlc.c
+
+$(BINDIR)/dialyzer@EXEEXT@: $(OBJDIR)/dialyzer.o $(ERTS_LIB)
+	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/dialyzer.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
+
+$(OBJDIR)/dialyzer.o: dialyzer.c $(RC_GENERATED)
+	$(CC) $(CFLAGS) -o $@ -c dialyzer.c
+
+$(BINDIR)/typer@EXEEXT@: $(OBJDIR)/typer.o $(ERTS_LIB)
+	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/typer.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
+
+$(OBJDIR)/typer.o: typer.c $(RC_GENERATED)
+	$(CC) $(CFLAGS) -o $@ -c typer.c
+
+$(BINDIR)/escript@EXEEXT@: $(OBJDIR)/escript.o $(ERTS_LIB)
+	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/escript.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
+
+$(OBJDIR)/escript.o: escript.c $(RC_GENERATED)
+	$(CC) $(CFLAGS) -o $@ -c escript.c
+
+$(BINDIR)/ct_run@EXEEXT@: $(OBJDIR)/ct_run.o $(ERTS_LIB)
+	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/ct_run.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
+
+$(OBJDIR)/ct_run.o: ct_run.c $(RC_GENERATED)
+	$(CC) $(CFLAGS) -o $@ -c ct_run.c
+
+
+
 Install:	../unix/Install.src ../../vsn.mk $(TARGET)/Makefile
 	sed -e 's;%I_VSN%;$(VSN);' \
 	    -e 's;%EMULATOR%;$(EMULATOR);' \