Merge branch 'egil/fix-compiler-warnings' into maint

* egil/fix-compiler-warnings:
  erl_docgen: Do not overflow images for pdf doc gen
  kernel: Fix missing documentation link anchors
  megaco: Fix parallel make for behaviours
  inets: Fix parallel make for behaviours
  ssh: Fix parallel make for behaviours
  eunit: Fix parallel make for behaviours
  ssl: Fix parallel make for behaviours
  wx: configure.in needs AC_LANG_SOURCE
  gs: Suppress ignored result warning
  erts: Remove unused variable

11 files changed, 83 insertions, 45 deletions

diff --git a/lib/erl_docgen/priv/xsl/db_pdf.xsl b/lib/erl_docgen/priv/xsl/db_pdf.xsl
index 4ed4fa14c4..bf17406d84 100644
--- a/lib/erl_docgen/priv/xsl/db_pdf.xsl
+++ b/lib/erl_docgen/priv/xsl/db_pdf.xsl
@@ -1564,7 +1564,7 @@
     </xsl:variable>
 
     <fo:block xsl:use-attribute-sets="image">
-      <fo:external-graphic content-width="60%" src="{@file}"/>
+      <fo:external-graphic content-width="scale-down-to-fit" inline-progression-dimension.maximum="100%" src="{@file}"/>
 
       <xsl:apply-templates>
         <xsl:with-param name="chapnum" select="$chapnum"/>
diff --git a/lib/eunit/src/Makefile b/lib/eunit/src/Makefile
index bec2fdbe0b..0b6ed1e839 100644
--- a/lib/eunit/src/Makefile
+++ b/lib/eunit/src/Makefile
@@ -28,6 +28,9 @@ ERL_COMPILE_FLAGS += -pa $(EBIN) -I$(INCLUDE) +warn_unused_vars +nowarn_shadow_v
 
 PARSE_TRANSFORM = eunit_autoexport.erl
 
+BEHAVIOUR_SOURCES= \
+	eunit_listener.erl
+
 SOURCES= \
 	eunit_striptests.erl \
 	eunit.erl \
@@ -40,13 +43,16 @@ SOURCES= \
 	eunit_data.erl \
 	eunit_tty.erl \
 	eunit_surefire.erl \
-	eunit_listener.erl
 
 INCLUDE_FILES = eunit.hrl
 
 PARSE_TRANSFORM_BIN = $(PARSE_TRANSFORM:%.erl=$(EBIN)/%.$(EMULATOR))
 
-OBJECTS=$(SOURCES:%.erl=$(EBIN)/%.$(EMULATOR)) $(APP_TARGET) $(APPUP_TARGET)
+TARGET_FILES= $(SOURCES:%.erl=$(EBIN)/%.$(EMULATOR))
+
+BEHAVIOUR_TARGET_FILES= $(BEHAVIOUR_SOURCES:%.erl=$(EBIN)/%.$(EMULATOR))
+
+OBJECTS= $(TARGET_FILES) $(BEHAVIOUR_TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET)
 
 INCLUDE_DELIVERABLES = $(INCLUDE_FILES:%=$(INCLUDE)/%)
 
@@ -62,6 +68,8 @@ APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
 # Targets
 # ----------------------------------------------------
 
+$(TARGET_FILES): $(BEHAVIOUR_TARGET_FILES)
+
 debug opt: $(PARSE_TRANSFORM_BIN) $(OBJECTS)
 
 docs:
diff --git a/lib/gs/src/gstk_generic.erl b/lib/gs/src/gstk_generic.erl
index 10cb890013..9b0efd07c1 100644
--- a/lib/gs/src/gstk_generic.erl
+++ b/lib/gs/src/gstk_generic.erl
@@ -323,7 +323,7 @@ handle_external_opt_call([Opt|Options],Gstkid,TkW,DB,ExtraArg,ExtRes,S,P,C) ->
     end.
 
 handle_external_read(Res) ->
-    case Res of 
+    _ = case Res of 
 	{bad_result,{Objtype,Reason,Option}} ->
 	    {error,{Objtype,Reason,Option}};
 	_ -> ok
diff --git a/lib/inets/src/tftp/Makefile b/lib/inets/src/tftp/Makefile
index 759b70c8e4..f728543adb 100644
--- a/lib/inets/src/tftp/Makefile
+++ b/lib/inets/src/tftp/Makefile
@@ -39,8 +39,10 @@ RELSYSDIR = $(RELEASE_PATH)/lib/$(APPLICATION)-$(VSN)
 # ----------------------------------------------------
 # Target Specs
 # ----------------------------------------------------
+BEHAVIOUR_MODULES= \
+	tftp
+
 MODULES = \
-	tftp \
 	tftp_binary \
 	tftp_engine \
 	tftp_file \
@@ -50,10 +52,13 @@ MODULES = \
 
 HRL_FILES = tftp.hrl
 
-ERL_FILES = $(MODULES:%=%.erl)
+ERL_FILES= \
+	$(MODULES:%=%.erl) \
+	$(BEHAVIOUR_MODULES:%=%.erl)
 
 TARGET_FILES= $(MODULES:%=$(EBIN)/%.$(EMULATOR))
 
+BEHAVIOUR_TARGET_FILES= $(BEHAVIOUR_MODULES:%=$(EBIN)/%.$(EMULATOR))
 
 # ----------------------------------------------------
 # FLAGS
@@ -72,10 +77,12 @@ ERL_COMPILE_FLAGS += \
 # Targets
 # ----------------------------------------------------
 
+$(TARGET_FILES): $(BEHAVIOUR_TARGET_FILES)
+
 debug opt: $(TARGET_FILES)
 
 clean:
-	rm -f $(TARGET_FILES)
+	rm -f $(TARGET_FILES) $(BEHAVIOUR_TARGET_FILES)
 	rm -f core
 
 docs:
@@ -90,7 +97,7 @@ release_spec: opt
 	$(INSTALL_DIR)  $(RELSYSDIR)/src/tftp
 	$(INSTALL_DATA) $(HRL_FILES) $(ERL_FILES) $(RELSYSDIR)/src/tftp
 	$(INSTALL_DIR)  $(RELSYSDIR)/ebin
-	$(INSTALL_DATA) $(TARGET_FILES) $(RELSYSDIR)/ebin
+	$(INSTALL_DATA) $(TARGET_FILES) $(BEHAVIOUR_TARGET_FILES) $(RELSYSDIR)/ebin
 
 release_docs_spec:
 
diff --git a/lib/kernel/doc/src/gen_sctp.xml b/lib/kernel/doc/src/gen_sctp.xml
index 7275c40e6a..e327a4f907 100644
--- a/lib/kernel/doc/src/gen_sctp.xml
+++ b/lib/kernel/doc/src/gen_sctp.xml
@@ -123,7 +123,7 @@
         <p>Completely closes the socket and all associations on it. The unsent
           data is flushed as in <c>eof/2</c>. The <c>close/1</c> call 
           is blocking or otherwise depending of the value of
-          the <seealso marker="#option-linger">linger</seealso> socket
+          the <seealso marker="inet#option-linger">linger</seealso> socket
           <seealso marker="#options">option</seealso>.
           If <c>close</c> does not linger or linger timeout expires,
           the call returns and the data is flushed in the background.</p>
@@ -309,8 +309,8 @@
           <seealso marker="#option-active">passive</seealso> mode,
 	  with <anno>SockType</anno> <c>seqpacket</c>,
           and with reasonably large
-          <seealso marker="#option-sndbuf">kernel</seealso> and driver
-          <seealso marker="#option-buffer">buffers.</seealso></p>
+          <seealso marker="inet#option-sndbuf">kernel</seealso> and driver
+          <seealso marker="inet#option-buffer">buffers.</seealso></p>
       </desc>
     </func>
     <func>
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml
index 901b4f5c34..096ddfd847 100644
--- a/lib/kernel/doc/src/inet.xml
+++ b/lib/kernel/doc/src/inet.xml
@@ -459,6 +459,7 @@ fe80::204:acff:fe17:bf38
           <tag><c>{broadcast, Boolean}</c>(UDP sockets)</tag>
           <item>
             <p>Enable/disable permission to send broadcasts.</p>
+			<marker id="option-buffer"></marker>
           </item>
 
 		  <tag><c>{buffer, Size}</c></tag>
@@ -536,6 +537,7 @@ fe80::204:acff:fe17:bf38
               the other end does not respond, the connection is
               considered broken and an error message will be sent to
               the controlling process. Default disabled.</p>
+			<marker id="option-linger"></marker>
           </item>
 
 		  <tag><c>{linger, {true|false, Seconds}}</c></tag>
@@ -705,6 +707,7 @@ fe80::204:acff:fe17:bf38
               returns <c>{error,timeout}</c>. The recommended setting is
               <c>true</c> which will automatically close the socket.
               Default is <c>false</c> due to backward compatibility.</p>
+			<marker id="option-sndbuf"></marker>
           </item>
 
           <tag><c>{sndbuf, Size}</c></tag>
diff --git a/lib/megaco/src/engine/Makefile b/lib/megaco/src/engine/Makefile
index 3943f4b957..c6a8bc86c7 100644
--- a/lib/megaco/src/engine/Makefile
+++ b/lib/megaco/src/engine/Makefile
@@ -42,9 +42,14 @@ RELSYSDIR = $(RELEASE_PATH)/lib/megaco-$(VSN)
 
 include modules.mk
 
-ERL_FILES = $(MODULES:%=%.erl)	
+ERL_FILES = \
+	$(MODULES:%=%.erl) \
+	$(BEHAVIOUR_MODULES:%=%.erl)
 
-TARGET_FILES =  \
+BEHAVIOUR_TARGET_FILES= \
+	$(BEHAVIOUR_MODULES:%=$(EBIN)/%.$(EMULATOR))
+
+TARGET_FILES = \
 	$(MODULES:%=$(EBIN)/%.$(EMULATOR))
 
 
@@ -65,19 +70,23 @@ ERL_COMPILE_FLAGS += \
 # ----------------------------------------------------
 # Targets
 # ----------------------------------------------------
+
+$(TARGET_FILES): $(BEHAVIOUR_TARGET_FILES)
+
 debug:
 	@${MAKE} TYPE=debug opt
 
 opt: $(TARGET_FILES) 
 
 clean:
-	rm -f $(TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET)
+	rm -f $(BEHAVIOUR_TARGET_FILES) $(TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET)
 	rm -f errs core *~
 
 docs:
 
 info:
 	@echo "MODULES = $(MODULES)"
+	@echo "BEHAVIOUR_MODULES = $(BEHAVIOUR_MODULES)"
 	@echo ""
 
 
@@ -89,7 +98,7 @@ include $(ERL_TOP)/make/otp_release_targets.mk
 
 release_spec: opt
 	$(INSTALL_DIR)  $(RELSYSDIR)/ebin
-	$(INSTALL_DATA) $(TARGET_FILES) $(RELSYSDIR)/ebin
+	$(INSTALL_DATA) $(BEHAVIOUR_TARGET_FILES) $(TARGET_FILES) $(RELSYSDIR)/ebin
 	$(INSTALL_DIR)  $(RELSYSDIR)/src
 	$(INSTALL_DIR)  $(RELSYSDIR)/src/engine
 	$(INSTALL_DATA) $(ERL_FILES) $(INTERNAL_HRL_FILES) $(RELSYSDIR)/src/engine
diff --git a/lib/megaco/src/engine/modules.mk b/lib/megaco/src/engine/modules.mk
index 4bc57cd63e..6e2f9246f0 100644
--- a/lib/megaco/src/engine/modules.mk
+++ b/lib/megaco/src/engine/modules.mk
@@ -23,7 +23,6 @@ BEHAVIOUR_MODULES = \
 	megaco_transport
 
 MODULES = \
-	$(BEHAVIOUR_MODULES) \
 	megaco_config_misc \
 	megaco_config \
 	megaco_digit_map \
diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile
index 1734ae4df4..a247692d9d 100644
--- a/lib/ssh/src/Makefile
+++ b/lib/ssh/src/Makefile
@@ -38,15 +38,17 @@ RELSYSDIR = $(RELEASE_PATH)/lib/ssh-$(VSN)
 
 # Behaviour (api) modules are first so they are compiled when
 # the compiler reaches a callback module using them.
-MODULES= \
+BEHAVIOUR_MODULES= \
 	ssh_sftpd_file_api \
-	ssh_key_api \
+        ssh_channel \
+	ssh_key_api
+
+MODULES= \
 	ssh \
 	ssh_sup \
 	sshc_sup \
 	sshd_sup \
 	ssh_connection_sup \
-        ssh_channel \
 	ssh_connection \
 	ssh_connection_handler \
 	ssh_connection_manager \
@@ -73,11 +75,14 @@ MODULES= \
 
 PUBLIC_HRL_FILES= ssh.hrl ssh_userauth.hrl ssh_xfer.hrl
 
-ERL_FILES= $(MODULES:%=%.erl)
+ERL_FILES= \
+	$(MODULES:%=%.erl) \
+	$(BEHAVIOUR_MODULES:%=%.erl)
 
-ALL_MODULES= $(MODULES)
 
-TARGET_FILES= $(ALL_MODULES:%=$(EBIN)/%.$(EMULATOR)) $(APP_TARGET) $(APPUP_TARGET)
+TARGET_FILES= $(MODULES:%=$(EBIN)/%.$(EMULATOR))
+
+BEHAVIOUR_TARGET_FILES= $(BEHAVIOUR_MODULES:%=$(EBIN)/%.$(EMULATOR))
 
 APP_FILE= ssh.app
 APPUP_FILE= ssh.appup
@@ -93,29 +98,29 @@ INTERNAL_HRL_FILES = ssh_auth.hrl ssh_connect.hrl ssh_transport.hrl
 # ----------------------------------------------------
 # FLAGS
 # ----------------------------------------------------
-ERL_COMPILE_FLAGS += -pa$(EBIN)\
-	-pz $(ERL_TOP)/lib/public_key/ebin
+EXTRA_ERLC_FLAGS = +warn_unused_vars
+ERL_COMPILE_FLAGS += -I$(ERL_TOP)/lib/kernel/src \
+	-pz $(EBIN) \
+	-pz $(ERL_TOP)/lib/public_key/ebin \
+	$(EXTRA_ERLC_FLAGS)
+
+
 # ----------------------------------------------------
 # Targets
 # ----------------------------------------------------
 
-debug opt: $(TARGET_FILES)
+$(TARGET_FILES): $(BEHAVIOUR_TARGET_FILES)
 
-debug: ERLC_FLAGS += -Ddebug
+debug opt: $(TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET)
 
 clean:
-	rm -f $(TARGET_FILES)
+	rm -f $(TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET)
 	rm -f errs core *~
 
-$(TARGET_FILES): ssh.hrl
-
-# $(EBIN)/ssh_sftpd_file.$(EMULATOR): ERLC_FLAGS += -pa$(EBIN)
-# $(EBIN)/ssh_sftpd_file.$(EMULATOR): $(EBIN)/ssh_sftpd_file_api.$(EMULATOR)
-
-$(APP_TARGET): $(APP_SRC) ../vsn.mk
+$(APP_TARGET):	$(APP_SRC) ../vsn.mk
 	sed -e 's;%VSN%;$(VSN);' $< > $@
 
-$(APPUP_TARGET): $(APPUP_SRC) ../vsn.mk
+$(APPUP_TARGET):	$(APPUP_SRC) ../vsn.mk
 	sed -e 's;%VSN%;$(VSN);' $< > $@
 
 
@@ -130,7 +135,8 @@ release_spec: opt
 	$(INSTALL_DIR) $(RELSYSDIR)/src
 	$(INSTALL_DATA) $(INTERNAL_HRL_FILES) $(ERL_FILES) $(RELSYSDIR)/src
 	$(INSTALL_DIR) $(RELSYSDIR)/ebin
-	$(INSTALL_DATA) $(TARGET_FILES) $(RELSYSDIR)/ebin
+	$(INSTALL_DATA) $(BEHAVIOUR_TARGET_FILES) $(TARGET_FILES) $(APP_TARGET) \
+	$(APPUP_TARGET) $(RELSYSDIR)/ebin
 	$(INSTALL_DIR) $(RELSYSDIR)/include
 	$(INSTALL_DATA) $(PUBLIC_HRL_FILES) $(RELSYSDIR)/include
 
diff --git a/lib/ssl/src/Makefile b/lib/ssl/src/Makefile
index dc69b53b28..f99dd8559e 100644
--- a/lib/ssl/src/Makefile
+++ b/lib/ssl/src/Makefile
@@ -37,6 +37,9 @@ RELSYSDIR = $(RELEASE_PATH)/lib/ssl-$(VSN)
 # Common Macros
 # ----------------------------------------------------
 
+BEHAVIOUR_MODULES= \
+        ssl_session_cache_api
+
 MODULES= \
 	ssl \
 	ssl_alert \
@@ -53,7 +56,6 @@ MODULES= \
 	ssl_handshake \
 	ssl_manager \
 	ssl_session \
-        ssl_session_cache_api \
 	ssl_session_cache \
 	ssl_record \
 	ssl_ssl2 \
@@ -66,10 +68,15 @@ INTERNAL_HRL_FILES = \
 	 ssl_alert.hrl ssl_cipher.hrl ssl_handshake.hrl ssl_internal.hrl \
 	 ssl_record.hrl
 
-ERL_FILES= $(MODULES:%=%.erl)
+ERL_FILES= \
+	$(MODULES:%=%.erl) \
+	$(BEHAVIOUR_MODULES:%=%.erl)
+
 
 TARGET_FILES= $(MODULES:%=$(EBIN)/%.$(EMULATOR))
 
+BEHAVIOUR_TARGET_FILES= $(BEHAVIOUR_MODULES:%=$(EBIN)/%.$(EMULATOR))
+
 APP_FILE= ssl.app
 APPUP_FILE= ssl.appup
 
@@ -83,6 +90,7 @@ APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
 # ----------------------------------------------------
 EXTRA_ERLC_FLAGS = +warn_unused_vars
 ERL_COMPILE_FLAGS += -I$(ERL_TOP)/lib/kernel/src \
+	-pz $(EBIN) \
 	-pz $(ERL_TOP)/lib/public_key/ebin \
 	$(EXTRA_ERLC_FLAGS) -DVSN=\"$(VSN)\"
 
@@ -91,6 +99,8 @@ ERL_COMPILE_FLAGS += -I$(ERL_TOP)/lib/kernel/src \
 # Targets
 # ----------------------------------------------------
 
+$(TARGET_FILES): $(BEHAVIOUR_TARGET_FILES)
+
 debug opt: $(TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET) 
 
 clean:
@@ -105,6 +115,7 @@ $(APPUP_TARGET):	$(APPUP_SRC) ../vsn.mk
 
 docs:
 
+
 # ----------------------------------------------------
 # Release Target
 # ---------------------------------------------------- 
@@ -114,14 +125,8 @@ release_spec: opt
 	$(INSTALL_DIR) $(RELSYSDIR)/src
 	$(INSTALL_DATA) $(ERL_FILES) $(INTERNAL_HRL_FILES) $(RELSYSDIR)/src
 	$(INSTALL_DIR) $(RELSYSDIR)/ebin
-	$(INSTALL_DATA) $(TARGET_FILES) $(APP_TARGET) \
+	$(INSTALL_DATA) $(BEHAVIOUR_TARGET_FILES) $(TARGET_FILES) $(APP_TARGET) \
 	$(APPUP_TARGET) $(RELSYSDIR)/ebin
 
 release_docs_spec:
 
-
-
-
-
-
-
diff --git a/lib/wx/configure.in b/lib/wx/configure.in
index b27e114a3d..8e5f696bc7 100755
--- a/lib/wx/configure.in
+++ b/lib/wx/configure.in
@@ -571,7 +571,7 @@ if test X"$WX_HAVE_STATIC_LIBS" = X"true" ; then
    LIBS=$WX_LIBS_STATIC   
 fi
 
-AC_LINK_IFELSE([
+AC_LINK_IFELSE([AC_LANG_SOURCE([
 		#ifdef WIN32
 		# include <windows.h>
 	        # include <gl/gl.h>
@@ -583,6 +583,7 @@ AC_LINK_IFELSE([
                 #include "wx/wx.h"
 		#include "wx/stc/stc.h"
 		#include "wx/glcanvas.h"
+		])
 
 		class MyApp : public wxApp
 		{