--- winbuild/MakefileBuild.vc.sav	2021-11-13 11:43:40.756226600 +0000
+++ winbuild/MakefileBuild.vc	2021-11-13 11:52:08.921692300 +0000
@@ -47,7 +47,7 @@
 
 !IF "$(VC)"=="6"
 CC_NODEBUG  = $(CC) /O2 /DNDEBUG
-CC_DEBUG    = $(CC) /Od /Gm /Zi /D_DEBUG /GZ
+CC_DEBUG    = $(CC) /Od /Gm $(DEBUG_FLAGS_VALUE) /D_DEBUG /GZ
 CFLAGS      = /I. /I../lib /I../include /nologo /W4 /GX /YX /FD /c /DBUILDING_LIBCURL
 !ELSE
 CC_NODEBUG  = $(CC) /O2 /DNDEBUG
@@ -64,7 +64,7 @@
 # Instead of id: just create an archive, that contains all objects
 LNKLIB     = lib.exe
 
-CFLAGS_PDB = /Zi
+CFLAGS_PDB = $(DEBUG_FLAGS_VALUE)
 LFLAGS_PDB = /incremental:no /opt:ref,icf /DEBUG
 
 CFLAGS_LIBCURL_STATIC  = /DCURL_STATICLIB