| # Toybox configuration file. | 
 |  | 
 | # This sets environment variables used by scripts/make.sh | 
 |  | 
 | # A synonym. | 
 | [ -z "$CROSS_COMPILE" ] && CROSS_COMPILE="$CROSS" | 
 |  | 
 | # CFLAGS and OPTIMIZE are different so you can add extra CFLAGS without | 
 | # disabling default optimizations | 
 | [ -z "$CFLAGS" ] && CFLAGS="-Wall -Wundef -Wno-char-subscripts -Werror=implicit-function-declaration" | 
 | # Required for our expected ABI. we're 8-bit clean thus "char" must be unsigned. | 
 | CFLAGS="$CFLAGS -funsigned-char" | 
 | [ -z "$OPTIMIZE" ] && OPTIMIZE="-Os -ffunction-sections -fdata-sections -fno-asynchronous-unwind-tables -fno-strict-aliasing" | 
 |  | 
 | # We accept LDFLAGS, but by default don't have anything in it | 
 | [ -z "$LDOPTIMIZE" ] && LDOPTIMIZE="-Wl,--gc-sections" | 
 |  | 
 | # The makefile provides defaults for these, so this only gets used if | 
 | # you call scripts/make.sh and friends directly. | 
 |  | 
 | [ -z "$CC" ] && CC=cc | 
 |  | 
 | # If HOSTCC needs CFLAGS or LDFLAGS, just add them to the variable | 
 | # ala HOSTCC="blah-cc --static" | 
 | [ -z "$HOSTCC" ] && HOSTCC=cc |