elks-enhanced - XT-Emporium

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#!/usr/bin/env bash
#
# ecc - wrapper script for ELKS C86 toolchain
#   Preprocesses, compiles, assembles and links passed .c files
#
# Usage: ecc [-c] [-{option}] file.c ...
#
# 27 Dec 24 Greg Haerr
#
set -e

if [ -z "$TOPDIR" ]
  then
    echo "ELKS TOPDIR= environment variable not set"
    exit
fi

if [ -z "$C86" ]
  then
    echo "C86= environment variable not set"
    exit
fi

INCLUDES="-I$TOPDIR/libc/include -I$TOPDIR/elks/include -I$TOPDIR/libc/include/c86"
#DEFINES="-D__HAS_NO_FLOATS__=1 -D__HAS_NO_LONGONG__"

CPP=cpp86
CC=c86
AS=as86
AR=ar86
LD=ld86

CPPFLAGS="\
    -0                          \
    $INCLUDES                   \
    $DEFINES                    \
    "

# -trace=yes
CFLAGS="\
    -g                          \
    -O                          \
    -bas86                      \
    -warn=4                     \
    -lang=c99                   \
    -align=yes                  \
    -separate=yes               \
    -stackopt=minimum           \
    -peep=all                   \
    -stackcheck=no              \
    -obsolete=yes               \
    "

ASFLAGS="\
    -0                          \
    -j                          \
    -O                          \
    -w-                         \
    "

LDFLAGS="\
    -0                          \
    -i                          \
    -L$TOPDIR/libc              \
    "

DOLINK=1
while true; do
  case "$1" in
    -c)
        DOLINK=0
        shift ;;
    -*)
        CFLAGS="$CFLAGS $1"
        shift ;;
    *)  break ;;
  esac
done

if [ $# -eq 0 ]
  then
    echo "Usage: ecc [-c] [-{option}] file.c ..."
    exit
fi

OUT=$1
if [ ${OUT%.c} == $OUT ]
  then
    echo "Must specify .c file(s)"
    exit
fi
OUT=${OUT%.c}

OBJS=
for PROG in $@
  do
    echo $CPP $CPPFLAGS -o ${PROG%.c}.i ${PROG%.i}
    $CPP $CPPFLAGS -o ${PROG%.c}.i ${PROG%.i}
    echo $CC $CFLAGS ${PROG%.c}.i ${PROG%.c}.as
    $CC $CFLAGS ${PROG%.c}.i ${PROG%.c}.as
    echo $AS $ASFLAGS -o ${PROG%.c}.o ${PROG%.c}.as
    $AS $ASFLAGS -o ${PROG%.c}.o ${PROG%.c}.as
    OBJS="$OBJS ${PROG%.c}.o"
    if [ $DOLINK -eq 1 ]; then rm ${PROG%.c}.i ${PROG%.c}.as; fi
  done
if [ $DOLINK -eq 1 ]
  then
    echo $LD $LDFLAGS -o $OUT $OBJS -lc86
    $LD $LDFLAGS -o $OUT $OBJS -lc86
    rm ${PROG%.c}.o
  fi
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