Use @if instead of -if

25 files changed, 49 insertions, 49 deletions

diff --git a/cpp/src/Freeze/Makefile.mak b/cpp/src/Freeze/Makefile.mak
index 66b7d3a7dc8..56f113e9679 100644
--- a/cpp/src/Freeze/Makefile.mak
+++ b/cpp/src/Freeze/Makefile.mak
@@ -58,9 +58,9 @@ $(LIBNAME): $(DLLNAME)
 $(DLLNAME): $(OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)$(LINKWITH)
 	move $(DLLNAME:.dll=.lib) $(LIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
+	@if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
 
 $(HDIR)/Catalog.h Catalog.cpp: $(SLICE2FREEZE) $(SDIR)/CatalogData.ice
 	del /q $(HDIR)\Catalog.h Catalog.cpp
diff --git a/cpp/src/FreezeScript/Makefile.mak b/cpp/src/FreezeScript/Makefile.mak
index 7cb437a7c9c..5c18064842a 100644
--- a/cpp/src/FreezeScript/Makefile.mak
+++ b/cpp/src/FreezeScript/Makefile.mak
@@ -49,13 +49,13 @@ DPDBFLAGS        = /pdb:$(DUMPDB:.exe=.pdb)
 
 $(TRANSFORMDB): $(TRANSFORM_OBJS) $(COMMON_OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(TPDBFLAGS) $(TRANSFORM_OBJS) $(COMMON_OBJS) $(PREOUT)$@ $(PRELIBS)$(LINKWITH)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 	    del /q $(TRANSFORMDB).manifest
 
 $(DUMPDB): $(DUMP_OBJS) $(COMMON_OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(DPDBFLAGS) $(DUMP_OBJS) $(COMMON_OBJS) $(PREOUT)$@ $(PRELIBS)$(LINKWITH)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 Scanner.cpp : Scanner.l
diff --git a/cpp/src/Glacier2/Makefile.mak b/cpp/src/Glacier2/Makefile.mak
index 01a40675fb5..0ea44da5355 100644
--- a/cpp/src/Glacier2/Makefile.mak
+++ b/cpp/src/Glacier2/Makefile.mak
@@ -76,13 +76,13 @@ $(LIBNAME): $(DLLNAME)
 $(DLLNAME): $(OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)$(LIBS)
 	move $(DLLNAME:.dll=.lib) $(LIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
+	@if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
 
 $(ROUTER): $(ROBJS)
 	$(LINK) $(LD_EXEFLAGS) $(RPDBFLAGS) $(ROBJS) $(PREOUT)$@ $(PRELIBS)$(LINKWITH)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 !ifdef BUILD_UTILS
diff --git a/cpp/src/Ice/Makefile.mak b/cpp/src/Ice/Makefile.mak
index f9784f8cabe..dd4c8c20b84 100644
--- a/cpp/src/Ice/Makefile.mak
+++ b/cpp/src/Ice/Makefile.mak
@@ -127,9 +127,9 @@ $(LIBNAME): $(DLLNAME)
 $(DLLNAME): $(OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)$(LINKWITH) $(RES_FILE)
 	move $(DLLNAME:.dll=.lib) $(LIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
+	@if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
 	
 
 EventLoggerI.obj: EventLoggerMsg.h
diff --git a/cpp/src/IceBox/Makefile.mak b/cpp/src/IceBox/Makefile.mak
index c75ff56436a..224daded9a7 100644
--- a/cpp/src/IceBox/Makefile.mak
+++ b/cpp/src/IceBox/Makefile.mak
@@ -65,18 +65,18 @@ $(LIBNAME): $(DLLNAME)
 $(DLLNAME): $(OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)$(LIBS)
 	move $(DLLNAME:.dll=.lib) $(LIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
+	@if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
 
 $(SERVER): $(SOBJS)
 	$(LINK) $(LD_EXEFLAGS) $(SPDBFLAGS) $(SOBJS) $(PREOUT)$@ $(PRELIBS)$(LIBS) icebox$(LIBSUFFIX).lib
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 $(ADMIN): $(AOBJS)
 	$(LINK) $(LD_EXEFLAGS) $(APDBFLAGS) $(AOBJS) $(PREOUT)$@ $(PRELIBS)$(LIBS) icebox$(LIBSUFFIX).lib
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 !ifdef BUILD_UTILS
diff --git a/cpp/src/IceGrid/Makefile.mak b/cpp/src/IceGrid/Makefile.mak
index e8c2236e304..4963a87153b 100644
--- a/cpp/src/IceGrid/Makefile.mak
+++ b/cpp/src/IceGrid/Makefile.mak
@@ -155,24 +155,24 @@ $(LIBNAME): $(DLLNAME)
 $(DLLNAME): $(LIB_OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(PDBFLAGS) $(LIB_OBJS) $(PREOUT)$@ $(PRELIBS)$(LINKWITH)
 	move $(DLLNAME:.dll=.lib) $(LIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
+	@if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
 
 $(ADMIN): $(ADMIN_OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(APDBFLAGS) $(ADMIN_OBJS) $(PREOUT)$@ $(PRELIBS)$(ALINKWITH)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 $(REGISTRY_SERVER): $(REGISTRY_SVR_OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(RPDBFLAGS) $(REGISTRY_SVR_OBJS) $(PREOUT)$@ $(PRELIBS)$(NLINKWITH)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 	    del /q $(REGISTRY_SERVER).manifest
 
 $(NODE_SERVER): $(NODE_SVR_OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(NPDBFLAGS) $(NODE_SVR_OBJS) $(PREOUT)$@ $(PRELIBS)$(NLINKWITH)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 	    del /q $(NODE_SERVER).manifest
 
diff --git a/cpp/src/IcePatch2/Makefile.mak b/cpp/src/IcePatch2/Makefile.mak
index b4039e82908..9620a6f68d9 100644
--- a/cpp/src/IcePatch2/Makefile.mak
+++ b/cpp/src/IcePatch2/Makefile.mak
@@ -73,23 +73,23 @@ $(LIBNAME): $(DLLNAME)
 $(DLLNAME): $(OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)$(LIBS) $(BZIP2_LIBS) $(OPENSSL_LIBS)
 	move $(DLLNAME:.dll=.lib) $(LIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest security.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
+	@if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
 
 $(SERVER): $(SOBJS)
 	$(LINK) $(LD_EXEFLAGS) $(SPDBFLAGS) $(SOBJS) $(PREOUT)$@ $(PRELIBS)$(LIBS) icepatch2$(LIBSUFFIX).lib
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest security.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 $(CLIENT): $(COBJS)
 	$(LINK) $(LD_EXEFLAGS) $(CPDBFLAGS) $(COBJS) $(PREOUT)$@ $(PRELIBS)$(LIBS) icepatch2$(LIBSUFFIX).lib
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest security.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 $(CALC): $(CALCOBJS)
 	$(LINK) $(LD_EXEFLAGS) $(CAPDBFLAGS) $(CALCOBJS) $(PREOUT)$@ $(PRELIBS)$(LIBS) icepatch2$(LIBSUFFIX).lib
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest security.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 !ifdef BUILD_UTILS
diff --git a/cpp/src/IceSSL/Makefile.mak b/cpp/src/IceSSL/Makefile.mak
index 98892b917d3..93c2eef7533 100644
--- a/cpp/src/IceSSL/Makefile.mak
+++ b/cpp/src/IceSSL/Makefile.mak
@@ -47,9 +47,9 @@ $(LIBNAME): $(DLLNAME)
 $(DLLNAME): $(OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)$(LINKWITH)
 	move $(DLLNAME:.dll=.lib) $(LIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
+	@if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
 
 clean::
 	del /q $(DLLNAME:.dll=.*)
diff --git a/cpp/src/IceStorm/Makefile.mak b/cpp/src/IceStorm/Makefile.mak
index b6e41c4c0e7..e35a2708ec1 100644
--- a/cpp/src/IceStorm/Makefile.mak
+++ b/cpp/src/IceStorm/Makefile.mak
@@ -82,22 +82,22 @@ $(LIBNAME): $(DLLNAME)
 $(DLLNAME): $(OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)$(LIBS)
 	move $(DLLNAME:.dll=.lib) $(LIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
+	@if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
 
 $(SVCLIBNAME): $(SVCDLLNAME)
 
 $(SVCDLLNAME): $(SERVICE_OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(SPDBFLAGS) $(SERVICE_OBJS) $(PREOUT)$@ $(PRELIBS)$(LINKWITH)
 	move $(SVCDLLNAME:.dll=.lib) $(SVCLIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(SVCDLLNAME:.dll=.exp) del /q $(SVCDLLNAME:.dll=.exp)
+	@if exist $(SVCDLLNAME:.dll=.exp) del /q $(SVCDLLNAME:.dll=.exp)
 
 $(ADMIN): $(AOBJS)
 	$(LINK) $(LD_EXEFLAGS) $(APDBFLAGS) $(AOBJS) $(PREOUT)$@ $(PRELIBS)$(ALINKWITH)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 ..\IceStorm\PersistentTopicMap.h PersistentTopicMap.cpp: ..\IceStorm\LinkRecord.ice $(slicedir)\Ice\Identity.ice $(SLICE2FREEZE)
diff --git a/cpp/src/IceUtil/Makefile.mak b/cpp/src/IceUtil/Makefile.mak
index 52177366883..685662ee092 100644
--- a/cpp/src/IceUtil/Makefile.mak
+++ b/cpp/src/IceUtil/Makefile.mak
@@ -53,9 +53,9 @@ $(LIBNAME): $(DLLNAME)
 $(DLLNAME): $(OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)$(ICE_OS_LIBS)
 	move $(DLLNAME:.dll=.lib) $(LIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
+	@if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
 
 clean::
 	del /q $(DLLNAME:.dll=.*)
diff --git a/cpp/src/IceXML/Makefile.mak b/cpp/src/IceXML/Makefile.mak
index d138e111154..d98a7079a4f 100644
--- a/cpp/src/IceXML/Makefile.mak
+++ b/cpp/src/IceXML/Makefile.mak
@@ -33,9 +33,9 @@ $(LIBNAME): $(DLLNAME)
 $(DLLNAME): $(OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)$(LINKWITH)
 	move $(DLLNAME:.dll=.lib) $(LIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
+	@if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
 
 clean::
 	del /q $(DLLNAME:.dll=.*)
diff --git a/cpp/src/Slice/Makefile.mak b/cpp/src/Slice/Makefile.mak
index 7a5b2311864..c6c75f50d4a 100644
--- a/cpp/src/Slice/Makefile.mak
+++ b/cpp/src/Slice/Makefile.mak
@@ -42,9 +42,9 @@ $(LIBNAME): $(DLLNAME)
 $(DLLNAME): $(OBJS)
 	$(LINK) $(LD_DLLFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)$(BASELIBS)
 	move $(DLLNAME:.dll=.lib) $(LIBNAME)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#2 & del /q $@.manifest
-	-if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
+	@if exist $(DLLNAME:.dll=.exp) del /q $(DLLNAME:.dll=.exp)
 
 Scanner.cpp : Scanner.l
 	flex Scanner.l
diff --git a/cpp/src/icecpp/Makefile.mak b/cpp/src/icecpp/Makefile.mak
index 8452b2f41f1..c458eb7a048 100644
--- a/cpp/src/icecpp/Makefile.mak
+++ b/cpp/src/icecpp/Makefile.mak
@@ -37,7 +37,7 @@ prefix.obj: prefix.c
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)$(LINKWITH)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 install:: all
diff --git a/cpp/src/slice2cpp/Makefile.mak b/cpp/src/slice2cpp/Makefile.mak
index ad41b5a518d..c1040daf0f9 100644
--- a/cpp/src/slice2cpp/Makefile.mak
+++ b/cpp/src/slice2cpp/Makefile.mak
@@ -28,7 +28,7 @@ PDBFLAGS        = /pdb:$(NAME:.exe=.pdb)
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::
diff --git a/cpp/src/slice2cppe/Makefile.mak b/cpp/src/slice2cppe/Makefile.mak
index da1c1cc63ba..4aaed4dd285 100644
--- a/cpp/src/slice2cppe/Makefile.mak
+++ b/cpp/src/slice2cppe/Makefile.mak
@@ -28,7 +28,7 @@ PDBFLAGS        = /pdb:$(NAME:.exe=.pdb)
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::
diff --git a/cpp/src/slice2cs/Makefile.mak b/cpp/src/slice2cs/Makefile.mak
index f91a7652e57..d2bb26e56ef 100644
--- a/cpp/src/slice2cs/Makefile.mak
+++ b/cpp/src/slice2cs/Makefile.mak
@@ -28,7 +28,7 @@ PDBFLAGS        = /pdb:$(NAME:.exe=.pdb)
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::
diff --git a/cpp/src/slice2docbook/Makefile.mak b/cpp/src/slice2docbook/Makefile.mak
index acc50962439..67bc4ac341c 100644
--- a/cpp/src/slice2docbook/Makefile.mak
+++ b/cpp/src/slice2docbook/Makefile.mak
@@ -28,7 +28,7 @@ PDBFLAGS        = /pdb:$(NAME:.exe=.pdb)
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::
diff --git a/cpp/src/slice2freeze/Makefile.mak b/cpp/src/slice2freeze/Makefile.mak
index 0cd9bf291a3..17be327a9d5 100644
--- a/cpp/src/slice2freeze/Makefile.mak
+++ b/cpp/src/slice2freeze/Makefile.mak
@@ -23,7 +23,7 @@ CPPFLAGS	= -I. $(CPPFLAGS) -DWIN32_LEAN_AND_MEAN
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::
diff --git a/cpp/src/slice2freezej/Makefile.mak b/cpp/src/slice2freezej/Makefile.mak
index cda6352f998..b28a163d0ec 100644
--- a/cpp/src/slice2freezej/Makefile.mak
+++ b/cpp/src/slice2freezej/Makefile.mak
@@ -27,7 +27,7 @@ PDBFLAGS        = /pdb:$(NAME:.exe=.pdb)
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::
diff --git a/cpp/src/slice2html/Makefile.mak b/cpp/src/slice2html/Makefile.mak
index 0587ed296a1..adb851d74b1 100644
--- a/cpp/src/slice2html/Makefile.mak
+++ b/cpp/src/slice2html/Makefile.mak
@@ -28,7 +28,7 @@ PDBFLAGS        = /pdb:$(NAME:.exe=.pdb)
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::
diff --git a/cpp/src/slice2java/Makefile.mak b/cpp/src/slice2java/Makefile.mak
index 6dfe628f5bc..03dcbb15c4d 100644
--- a/cpp/src/slice2java/Makefile.mak
+++ b/cpp/src/slice2java/Makefile.mak
@@ -28,7 +28,7 @@ PDBFLAGS        = /pdb:$(NAME:.exe=.pdb)
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::
diff --git a/cpp/src/slice2javae/Makefile.mak b/cpp/src/slice2javae/Makefile.mak
index 45639c1cd56..6728ca7b6da 100644
--- a/cpp/src/slice2javae/Makefile.mak
+++ b/cpp/src/slice2javae/Makefile.mak
@@ -28,7 +28,7 @@ PDBFLAGS        = /pdb:$(NAME:.exe=.pdb)
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::
diff --git a/cpp/src/slice2py/Makefile.mak b/cpp/src/slice2py/Makefile.mak
index 1d9d36396f8..73ff7e13e60 100644
--- a/cpp/src/slice2py/Makefile.mak
+++ b/cpp/src/slice2py/Makefile.mak
@@ -27,7 +27,7 @@ PDBFLAGS        = /pdb:$(NAME:.exe=.pdb)
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::
diff --git a/cpp/src/slice2rb/Makefile.mak b/cpp/src/slice2rb/Makefile.mak
index 3cb00892bf2..04df12a2428 100755
--- a/cpp/src/slice2rb/Makefile.mak
+++ b/cpp/src/slice2rb/Makefile.mak
@@ -27,7 +27,7 @@ PDBFLAGS        = /pdb:$(NAME:.exe=.pdb)
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::
diff --git a/cpp/src/slice2vb/Makefile.mak b/cpp/src/slice2vb/Makefile.mak
index 35424ade47b..91f711d3486 100644
--- a/cpp/src/slice2vb/Makefile.mak
+++ b/cpp/src/slice2vb/Makefile.mak
@@ -28,7 +28,7 @@ PDBFLAGS        = /pdb:$(NAME:.exe=.pdb)
 
 $(NAME): $(OBJS)
 	$(LINK) $(LD_EXEFLAGS) $(PDBFLAGS) $(OBJS) $(PREOUT)$@ $(PRELIBS)slice$(LIBSUFFIX).lib $(BASELIBS)
-	-if exist $@.manifest \
+	@if exist $@.manifest \
 	    $(MT) -nologo -manifest $@.manifest -outputresource:$@;#1 & del /q $@.manifest
 
 clean::