cflags

#!/bin/sh

if [ ! which sdl2-config >/dev/null 2>&1 ]; then
    >&2 echo "can't find sdl2-config, are you sure you have SDL2?"
fi

cflags="`sdl2-config --cflags`"
cflags="$cflags -std=c89 -pedantic"
cflags="$cflags -O3"
cflags="$cflags -Wall -Wextra -Wno-unused-value -Wunused -Werror"
cflags="$cflags -ffunction-sections -fdata-sections"
cflags="$cflags -g0 -fno-unwind-tables -s"
cflags="$cflags -fno-asynchronous-unwind-tables"
cflags="$cflags -Wl,--gc-sections"

ldflags="`sdl2-config --libs`"

cflags="$cflags $CFLAGS"
ldflags="$ldflags $LDFLAGS"

case `uname` in
Darwin|FreeBSD) cc="${CC:-clang}" ;;
*) cc="${CC:-gcc}" ;;
esac

which $cc >/dev/null 2>&1 || cc=gcc
which $cc >/dev/null 2>&1 || cc=clang

if [ ! which $cc >/dev/null 2>&1 ]; then
    >&2 echo "can't find any compiler, please specify CC"
fi

uname -a > flags.log
echo $cc >> flags.log
echo $cflags >> flags.log
echo $ldflags >> flags.log
$cc --version >> flags.log
$cc -dumpmachine >> flags.log

export cflags="$cflags"
export ldflags="$ldflags"
export cc="$cc"