10f66f451Sopenharmony_ci#!/bin/bash 20f66f451Sopenharmony_ci 30f66f451Sopenharmony_ci# This sets environment variables used by scripts/make.sh 40f66f451Sopenharmony_ci 50f66f451Sopenharmony_ci# People run ./configure out of habit, so do "defconfig" for them. 60f66f451Sopenharmony_ci 70f66f451Sopenharmony_ciif [ "$(basename "$0")" == configure ] 80f66f451Sopenharmony_cithen 90f66f451Sopenharmony_ci echo "Assuming you want 'make defconfig', but you should probably check the README." 100f66f451Sopenharmony_ci make defconfig 110f66f451Sopenharmony_ci exit $? 120f66f451Sopenharmony_cifi 130f66f451Sopenharmony_ci 140f66f451Sopenharmony_ci# A synonym. 150f66f451Sopenharmony_ci[ -z "$CROSS_COMPILE" ] && CROSS_COMPILE="$CROSS" 160f66f451Sopenharmony_ci 170f66f451Sopenharmony_ci# CFLAGS and OPTIMIZE are different so you can add extra CFLAGS without 180f66f451Sopenharmony_ci# disabling default optimizations 190f66f451Sopenharmony_ci[ -z "$CFLAGS" ] && CFLAGS="-Wall -Wundef -Wno-char-subscripts -Werror=implicit-function-declaration" 200f66f451Sopenharmony_ci# Required for our expected ABI. we're 8-bit clean thus "char" must be unsigned. 210f66f451Sopenharmony_ciCFLAGS="$CFLAGS -funsigned-char" 220f66f451Sopenharmony_ci[ -z "$OPTIMIZE" ] && OPTIMIZE="-Os -ffunction-sections -fdata-sections -fno-asynchronous-unwind-tables -fno-strict-aliasing" 230f66f451Sopenharmony_ci# set ASAN=1 to enable "address sanitizer" and debuggable backtraces 240f66f451Sopenharmony_ci[ -z "$ASAN" ] || { CFLAGS="$CFLAGS -O1 -g -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize=address"; NOSTRIP=1; } 250f66f451Sopenharmony_ci 260f66f451Sopenharmony_ci# We accept LDFLAGS, but by default don't have anything in it 270f66f451Sopenharmony_ciif [ "$(uname)" != "Darwin" ] 280f66f451Sopenharmony_cithen 290f66f451Sopenharmony_ci [ -z "$LDOPTIMIZE" ] && LDOPTIMIZE="-Wl,--gc-sections" 300f66f451Sopenharmony_ci LDASNEEDED="-Wl,--as-needed" 310f66f451Sopenharmony_cifi 320f66f451Sopenharmony_ci 330f66f451Sopenharmony_ci# The makefile provides defaults for these, so this only gets used if 340f66f451Sopenharmony_ci# you call scripts/make.sh and friends directly. 350f66f451Sopenharmony_ci 360f66f451Sopenharmony_ci[ -z "$CC" ] && CC=cc 370f66f451Sopenharmony_ci[ -z "$STRIP" ] && STRIP=strip 380f66f451Sopenharmony_ci 390f66f451Sopenharmony_ci# If HOSTCC needs CFLAGS or LDFLAGS, just add them to the variable 400f66f451Sopenharmony_ci# ala HOSTCC="blah-cc --static" 410f66f451Sopenharmony_ci[ -z "$HOSTCC" ] && HOSTCC=cc 420f66f451Sopenharmony_ci 430f66f451Sopenharmony_ci[ -z "$GENERATED" ] && GENERATED=generated 44