toybox/configure
<<
>>
Prefs
   1#!/bin/bash
   2
   3# This sets environment variables used by scripts/make.sh
   4
   5# People run ./configure out of habit, so do "defconfig" for them.
   6
   7if [ "$(basename "$0")" == configure ]
   8then
   9  echo "Assuming you want 'make defconfig', but you should probably check the README."
  10  make defconfig
  11  exit $?
  12fi
  13
  14# A synonym.
  15[ -z "$CROSS_COMPILE" ] && CROSS_COMPILE="$CROSS"
  16
  17# CFLAGS and OPTIMIZE are different so you can add extra CFLAGS without
  18# disabling default optimizations
  19[ -z "$CFLAGS" ] && CFLAGS="-Wall -Wundef -Wno-char-subscripts -Werror=implicit-function-declaration"
  20# Required for our expected ABI. we're 8-bit clean thus "char" must be unsigned.
  21CFLAGS="$CFLAGS -funsigned-char"
  22[ -z "$OPTIMIZE" ] && OPTIMIZE="-Os -ffunction-sections -fdata-sections -fno-asynchronous-unwind-tables -fno-strict-aliasing"
  23
  24# We accept LDFLAGS, but by default don't have anything in it
  25[ -z "$LDOPTIMIZE" ] && LDOPTIMIZE="-Wl,--gc-sections"
  26
  27# The makefile provides defaults for these, so this only gets used if
  28# you call scripts/make.sh and friends directly.
  29
  30[ -z "$CC" ] && CC=cc
  31
  32# If HOSTCC needs CFLAGS or LDFLAGS, just add them to the variable
  33# ala HOSTCC="blah-cc --static"
  34[ -z "$HOSTCC" ] && HOSTCC=cc
  35