From 1a741c1c0168e8b2383a62100709c625a5a8961f Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sun, 18 Jul 2021 19:16:08 +0200
Subject: another test with c4 and a minic compiler

---
 miniany/build.sh | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100755 miniany/build.sh

(limited to 'miniany/build.sh')

diff --git a/miniany/build.sh b/miniany/build.sh
new file mode 100755
index 0000000..0db0d13
--- /dev/null
+++ b/miniany/build.sh
@@ -0,0 +1,82 @@
+#!/bin/bash
+
+BINARY=${1:-cc}
+COMPILER=${2:-gcc}
+MODE=${3:-freestanding}
+LEVEL=${4:-d}
+
+DEBUG=0
+
+declare -a MODULES
+MODULES+=("libc-${MODE}.c")
+MODULES+=("$BINARY.c")
+
+case "${COMPILER}" in
+	gcc)
+		CFLAGS="-m32 -march=i386 -Wall -pedantic -Werror -std=c89 -x c"
+		;;
+	clang)
+		CFLAGS="-m32 -march=i386 -Werror -Wall -pedantic -std=c89 -x c"
+		;;
+	pcc)
+		CFLAGS="-march=i386 -Werror -Wall -std=c89 -x c"
+		;;
+	tcc)
+		CFLAGS="-m32 -march=i386 -Werror -Wall -std=c89"
+		;;
+	*)
+		echo "ERROR: Unknown compiler '${COMPILER}' (use gcc, clang, pcc or tcc)" 1>&2
+		exit 1
+		;;
+esac
+
+case "${LEVEL}" in
+	0|1|2|3)
+		CFLAGS+=" -O${LEVEL}"
+		;;
+	d)
+		CFLAGS+=" -g -O0"
+		DEBUG=1
+		;;
+	*)
+		echo "ERROR: Unknown compilation level '${LEVEL}' (use one of 0123 for -O<n>, or d for -O0 and debugging)" 1>&2
+		exit 1
+		;;
+esac
+
+case "${MODE}" in
+	freestanding|hosted)
+		;;
+	*)
+		echo "ERROR: Unknown environment '${MODE}' (use 'freestanding' or 'hosted')" 1>&2
+		exit 1
+		;;
+esac
+
+case "${COMPILER}:${MODE}" in
+	gcc:freestanding)
+		CFLAGS+=" -ffreestanding -fno-stack-protector -nostdlib -emain -fno-omit-frame-pointer"
+		;;
+	clang:freestanding)
+		CFLAGS+=" -ffreestanding -fno-stack-protector -nostdlib -Wl,-emain -fno-omit-frame-pointer"
+		;;
+	pcc:freestanding)
+		CFLAGS+=" -ffreestanding -nostdlib -Wl,-emain"
+		;;
+	tcc:freestanding)
+		CFLAGS+=" -fno-bultin -nostdlib"
+		MODULES+=("_start-stub.c")
+		;;
+	*:hosted)
+		#~ CFLAGS+=" -lbsd"
+		;;
+esac
+
+echo "${COMPILER} ${CFLAGS} -o ${BINARY} ${MODULES[@]}"
+if [ "${DEBUG}" = 1 ]; then
+	cat ${MODULES[@]} > "${BINARY}_tmp.c"
+	${COMPILER} ${CFLAGS} -o ${BINARY} "${BINARY}_tmp.c"
+else
+	cat ${MODULES[@]} | ${COMPILER} ${CFLAGS} -o ${BINARY} -
+fi
+
-- 
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