build: Remove inactive DEBUG_CPPFLAGS.

These were commented out for some years, and don't really add any
value.

diff --git a/Makefile.in b/Makefile.in
index 4160d257ac86684108104914e21d6171d1668bd6..dae4976074585cd30f5a7306936a6a7e21a730ec 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -47,18 +47,6 @@ DEBUG_CPPFLAGS += -Wredundant-decls
 DEBUG_CPPFLAGS += -Wall -Wno-sign-compare -Wno-unknown-pragmas
 DEBUG_CPPFLAGS += -Wformat-security
 DEBUG_CPPFLAGS += -Wmissing-format-attribute
-# produces false positives
-# DEBUG_CPPFLAGS += -Wunreachable-code
-# DEBUG_CPPFLAGS += -Wwrite-strings
-
-# invalid option for gcc-3.3.3
-# DEBUG_CPPFLAGS += -Wextra
-# DEBUG_CPPFLAGS += -Wold-style-definition
-# DEBUG_CPPFLAGS += -Wdeclaration-after-statement
-# DEBUG_CPPFLAGS += -Wsuggest-attribute=const
-
-# many warnings about trivial stuff
-# CPPFLAGS += -Wconversion
 
 ifeq ($(uname_s),Linux)
        CPPFLAGS += -fdata-sections -ffunction-sections