warn_obsolete_guard is already default

Update compiler documentation and remove superfluous erlc flags.

9 files changed, 9 insertions, 10 deletions

diff --git a/erts/preloaded/src/Makefile b/erts/preloaded/src/Makefile
index 2ab9edaf5e..edb9f35258 100644
--- a/erts/preloaded/src/Makefile
+++ b/erts/preloaded/src/Makefile
@@ -73,7 +73,7 @@ KERNEL_SRC=$(ERL_TOP)/lib/kernel/src
 KERNEL_INCLUDE=$(ERL_TOP)/lib/kernel/include
 STDLIB_INCLUDE=$(ERL_TOP)/lib/stdlib/include
 
-ERL_COMPILE_FLAGS += +warn_obsolete_guard +debug_info -I$(KERNEL_SRC) -I$(KERNEL_INCLUDE)
+ERL_COMPILE_FLAGS += +debug_info -I$(KERNEL_SRC) -I$(KERNEL_INCLUDE)
 
 debug opt: $(TARGET_FILES) 
 
diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml
index 3ce37b98e9..81e8ec6c23 100644
--- a/lib/compiler/doc/src/compile.xml
+++ b/lib/compiler/doc/src/compile.xml
@@ -574,7 +574,7 @@ module.beam: module.erl \
 	    such as <c>pid/1</c> and <c>list/1</c>. See the
 	    <seealso marker="doc/reference_manual:expressions#guards">Erlang Reference Manual</seealso>
 	      for a complete list of type testing BIFs and their old
-	      equivalents. Default is to emit no warnings for calls to 
+	      equivalents. Default is to emit warnings for calls to
 	      old type testing BIFs.</p>
           </item>
 
diff --git a/lib/crypto/src/Makefile b/lib/crypto/src/Makefile
index 456b8be64d..aea8a5a71c 100644
--- a/lib/crypto/src/Makefile
+++ b/lib/crypto/src/Makefile
@@ -56,7 +56,7 @@ APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
 # ----------------------------------------------------
 # FLAGS
 # ----------------------------------------------------
-ERL_COMPILE_FLAGS += +warn_obsolete_guard -DCRYPTO_VSN=\"$(VSN)\" -Werror
+ERL_COMPILE_FLAGS += -DCRYPTO_VSN=\"$(VSN)\" -Werror
 
 # ----------------------------------------------------
 # Targets
diff --git a/lib/debugger/src/Makefile b/lib/debugger/src/Makefile
index 9594a0bfe3..118cb6b758 100644
--- a/lib/debugger/src/Makefile
+++ b/lib/debugger/src/Makefile
@@ -85,7 +85,7 @@ APPUP_TARGET = $(EBIN)/$(APPUP_FILE)
 # ----------------------------------------------------
 # FLAGS
 # ----------------------------------------------------
-ERL_COMPILE_FLAGS += +warn_obsolete_guard -Werror
+ERL_COMPILE_FLAGS += -Werror
 
 
 # ----------------------------------------------------
diff --git a/lib/eunit/src/Makefile b/lib/eunit/src/Makefile
index 86a6d8831e..3510d3cc93 100644
--- a/lib/eunit/src/Makefile
+++ b/lib/eunit/src/Makefile
@@ -24,7 +24,7 @@ RELSYSDIR = $(RELEASE_PATH)/lib/eunit-$(VSN)
 EBIN = ../ebin
 INCLUDE=../include
 
-ERL_COMPILE_FLAGS += -pa $(EBIN) -pa ../../stdlib/ebin -I$(INCLUDE) +warn_unused_vars +nowarn_shadow_vars +warn_unused_import +warn_obsolete_guard
+ERL_COMPILE_FLAGS += -pa $(EBIN) -pa ../../stdlib/ebin -I$(INCLUDE) +nowarn_shadow_vars +warn_unused_import
 
 PARSE_TRANSFORM = eunit_autoexport.erl
 
diff --git a/lib/os_mon/src/Makefile b/lib/os_mon/src/Makefile
index 3ff63204c6..fc2eb22393 100644
--- a/lib/os_mon/src/Makefile
+++ b/lib/os_mon/src/Makefile
@@ -60,7 +60,7 @@ TARGET_FILES= $(MODULES:%=$(EBIN)/%.$(EMULATOR)) $(APP_TARGET) $(APPUP_TARGET)
 # ----------------------------------------------------
 # FLAGS
 # ----------------------------------------------------
-ERL_COMPILE_FLAGS += +warn_obsolete_guard -I$(INCLUDE) -Werror
+ERL_COMPILE_FLAGS += -I$(INCLUDE) -Werror
 
 # ----------------------------------------------------
 # Targets
diff --git a/lib/otp_mibs/src/Makefile b/lib/otp_mibs/src/Makefile
index 4023f50d48..5c7af39c3f 100644
--- a/lib/otp_mibs/src/Makefile
+++ b/lib/otp_mibs/src/Makefile
@@ -64,7 +64,7 @@ TARGETS = $(TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET)
 # ----------------------------------------------------
 # FLAGS
 # ----------------------------------------------------
-ERL_COMPILE_FLAGS += -I$(INCLUDE) +warn_obsolete_guard
+ERL_COMPILE_FLAGS += -I$(INCLUDE)
 
 # ----------------------------------------------------
 # Targets
diff --git a/lib/parsetools/src/Makefile b/lib/parsetools/src/Makefile
index dea29bee4c..ba206904ec 100644
--- a/lib/parsetools/src/Makefile
+++ b/lib/parsetools/src/Makefile
@@ -59,7 +59,7 @@ APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
 # ----------------------------------------------------
 # FLAGS
 # ----------------------------------------------------
-ERL_COMPILE_FLAGS += +warn_obsolete_guard -I$(ERL_TOP)/lib/stdlib/include \
+ERL_COMPILE_FLAGS += -I$(ERL_TOP)/lib/stdlib/include \
   -Werror
 
 # ----------------------------------------------------
diff --git a/lib/tools/emacs/erlang-flymake.el b/lib/tools/emacs/erlang-flymake.el
index 2e447b55de..0b7936a81f 100644
--- a/lib/tools/emacs/erlang-flymake.el
+++ b/lib/tools/emacs/erlang-flymake.el
@@ -37,8 +37,7 @@
   "Return a list of include directories to add to the compiler options.")
 
 (defvar erlang-flymake-extra-opts
-  (list "+warn_obsolete_guard"
-        "+warn_unused_import"
+  (list "+warn_unused_import"
         "+warn_shadow_vars"
         "+warn_export_vars"
         "+strong_validation"