Source
--- regex-0.12/Makefile.in.orig 2006-11-15 12:34:43.000000000 +1100
+++ regex-0.12/Makefile.in 2012-05-07 15:44:47.000000000 +1000
CPPFLAGS =
# Likewise, you can override CFLAGS to optimize, use -Wall, etc.
-CFLAGS = -g
+CFLAGS = @CFLAGS@
# Ditto for LDFLAGS and LOADLIBES.
-LDFLAGS =
+LDFLAGS = @LDFLAGS@
LOADLIBES =
srcdir = @srcdir@