# Utility functions designed to simplify build scripts.
#
# They react to environment variables

BUILD_INITIALIZED=true

CFLAGS=( \
    -9 \
    -g \
    -gdwarf-2 \
    -ggdb \
    '-mcmodel=small' \
    -O0 \
    -Wall \
    -Werror \
    -Wno-main \
    -Wno-missing-braces \
    -Wno-parentheses \
    -Wno-unknown-pragmas \
)
KLIB_CFLAGS=( \
    -DKERNEL \
    -c \
    '-mcmodel=kernel' \
    -O0 \
    -fplan9-extensions \
    -ffreestanding \
    -fstack-protector-all \
    -fno-builtin \
    -Wall \
    -Wno-missing-braces \
    -Wno-parentheses \
    -Wno-unknown-pragmas \
    -Wuninitialized \
    -g \
)
STACKCHECK_CFLAGS=( \
    -fstack-check \
    -fstack-protector-all \
)
CMD_OFLAGS=( \
    -static \
    -lavl \
    -lcomplete \
    -lcontrol \
    -ldisk \
    -lflate \
    -lframe \
    -lmemdraw \
    -lmemlayer \
    -lmemdraw \
    -ldraw \
    -lplumb \
    -lregexp \
    -lString \
    -l9p \
    -lauth \
    -lauthsrv \
    -lndb \
    -lip \
    -lsec \
    -lauth \
    -lmp \
    -lthread \
    -lbio \
    -l9p2000 \
    -ljehanne \
)

CC=gcc
CC=$JEHANNE_TOOLCHAIN/cross/posix/bin/$TOOLPREFIX$CC

AR=ar
AR=$JEHANNE_TOOLCHAIN/cross/posix/bin/$TOOLPREFIX$AR

RANLIB=ranlib
RANLIB=$JEHANNE_TOOLCHAIN/cross/posix/bin/$TOOLPREFIX$RANLIB

STRIP=strip
STRIP=$JEHANNE_TOOLCHAIN/cross/posix/bin/$TOOLPREFIX$STRIP

LD=ld
LD=$JEHANNE_TOOLCHAIN/cross/posix/bin/$TOOLPREFIX$LD

OBJCOPY=objcopy
OBJCOPY=$JEHANNE_TOOLCHAIN/cross/posix/bin/$TOOLPREFIX$OBJCOPY

OBJDUMP=objdump
OBJDUMP=$JEHANNE_TOOLCHAIN/cross/posix/bin/$TOOLPREFIX$OBJDUMP

READELF=readelf
READELF=$JEHANNE_TOOLCHAIN/cross/posix/bin/$TOOLPREFIX$READELF

fn debuggable {
    # echo $*
    eval $*
}

fn prependLibraryName {
    LIBRARY_NAME=$1
    if ( ! ~ 0 $#LIBRARY_NAME ) {
        for (i in *.o) {
            # rename object files to ease library merge
            debuggable mv $i $LIBRARY_NAME-$i
        }
    }
}

fn compileCommands {
    EXT=$1
    DESTINATION=$2
    shift 2
    LIST=$*
    if ( ~ 0 $#LIST ) {
        LIST=*.$EXT
    }
    
    mkdir -p $DESTINATION

    for (f in $LIST) {
        BINARY=`{basename $f|sed 's/\.'$EXT'//'}

        debuggable $CC $f -o $BINARY -O2 '-std=gnu11' $STACKCHECK_CFLAGS $CFLAGS $CMD_OFLAGS
        debuggable mv $BINARY $DESTINATION
    }
}

fn safemove {
    mkdir -p $*($#*)
    mv $*
}