Not entirely sure when this broke, but libpq's VC++ build is currently

lacking pqsignal which is now required. This was found and fixed for
VC++ by Shachar Shemesh, I simply duplicated the fix for the Borland
makefile (untested, as I don't have that compiler).

Dave Page

src/interfaces/libpq/bcc32.mak

@@ -81,6 +81,7 @@ LIB32_OBJS= \
 	"$(INTDIR)\fe-print.obj" \
 	"$(INTDIR)\fe-secure.obj" \
 	"$(INTDIR)\pqexpbuffer.obj" \
+	"$(INTDIR)\pqsignal.obj" \
 	"$(INTDIR)\wchar.obj" \
 	"$(INTDIR)\encnames.obj"
 
@@ -111,6 +112,7 @@ CLEAN :
 	-@erase "$(INTDIR)\fe-print.obj"
 	-@erase "$(INTDIR)\fe-secure.obj"
 	-@erase "$(INTDIR)\pqexpbuffer.obj"
+	-@erase "$(INTDIR)\pqsignal.obj"
 	-@erase "$(OUTDIR)\libpqdll.obj"
 	-@erase "$(OUTDIR)\win32.obj"
 	-@erase "$(INTDIR)\wchar.obj"

src/interfaces/libpq/win32.mak

@@ -62,6 +62,7 @@ CLEAN :
 	-@erase "$(INTDIR)\fe-print.obj"
 	-@erase "$(INTDIR)\fe-secure.obj"
 	-@erase "$(INTDIR)\pqexpbuffer.obj"
+	-@erase "$(INTDIR)\pqsignal.obj"
 	-@erase "$(OUTDIR)\libpqdll.obj"
 	-@erase "$(OUTDIR)\win32.obj"
 	-@erase "$(OUTDIR)\$(OUTFILENAME).lib"
@@ -128,6 +129,7 @@ LIB32_OBJS= \
 	"$(INTDIR)\fe-print.obj" \
 	"$(INTDIR)\fe-secure.obj" \
 	"$(INTDIR)\pqexpbuffer.obj" \
+	"$(INTDIR)\pqsignal.obj" \
 	"$(INTDIR)\wchar.obj" \
 	"$(INTDIR)\encnames.obj" \
 	"$(INTDIR)\pthread-win32.obj"