143 lines
3.4 KiB
Bash
Executable File
143 lines
3.4 KiB
Bash
Executable File
#!/bin/sh
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# m4kc build system
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# please keep this posix compliant!
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CC="clang"
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OBJ_PATH="o"
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OUT_PATH="bin"
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SRC_PATH="src"
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SMALL_PATH="$OUT_PATH/m4kc"
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DEBUG_PATH="$OUT_PATH/m4kc-debug"
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FLAGS_SMALL="-Os -g0 -fno-stack-protector -fno-unwind-tables \
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-fno-asynchronous-unwind-tables -Dsmall"
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FLAGS_DEBUG="-g"
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FLAGS_LIBS="-L/usr/local/lib -lSDL2 -lm"
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# build a single module from src
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buildModule () {
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mkdir -p "$OBJ_PATH"
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mkdir -p "$OBJ_PATH/small"
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mkdir -p "$OBJ_PATH/debug"
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modIn="$SRC_PATH/$1.c"
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modHead="$SRC_PATH/$1.h"
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flags="-c"
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if [ "$2" = "small" ]
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then flags="$flags $FLAGS_SMALL"
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modOut="$OBJ_PATH/small/$1.o"
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else flags="$flags $FLAGS_DEBUG"
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modOut="$OBJ_PATH/debug/$1.o"
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fi
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if [ ! -f "$modIn" ]; then
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echo "!!! module $1 does not exist, skipping" >&2; return
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fi
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if [ "$modOut" -nt "$modIn" ] && [ "$modOut" -nt "$modHead" ]; then
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echo "(i) skipping module $1, already built"; return
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fi
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echo "... building module $1: $1.c ---> $1.o"
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$CC "$modIn" -o "$modOut" $flags && echo ".// built module $1" \
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|| echo "ERR could not build module $1" >&2
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}
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# build all modules in src, then link them together into final executable
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buildAll () {
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mkdir -p "$OUT_PATH"
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echo "... building all modules"
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for module in $SRC_PATH/*.c; do
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buildModule $(basename "${module%.*}") "$1"
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done
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echo "... building entire executable"
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flags="$FLAGS_LIBS"
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if [ "$1" = "small" ]
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then flags="$flags $FLAGS_SMALL -s"
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allIn="$OBJ_PATH/small/*.o"
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allOut="$SMALL_PATH"
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else flags="$flags $FLAGS_DEBUG"
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allIn="$OBJ_PATH/debug/*.o"
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allOut="$DEBUG_PATH"
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fi
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if $CC $allIn -o "$allOut" $flags
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then echo ".// built entire executable"
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else echo "ERR could not build executable" >&2
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return
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fi
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if [ "$1" = "small" ]; then
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echo "... compressing executable"
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if strip "$SMALL_PATH" -S --strip-unneeded \
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--remove-section=.note.gnu.gold-version --remove-section=.comment \
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--remove-section=.note --remove-section=.note.gnu.build-id \
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--remove-section=.note.ABI-tag & \
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gzexe "$SMALL_PATH"
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then
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ls -l "$SMALL_PATH"
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echo ".// compressed executable"
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else
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echo "ERR could not compress executable" >&2
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fi
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fi
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}
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# clean everything
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clean () {
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rm -f $OBJ_PATH/debug/* $OBJ_PATH/small/* $OUT_PATH/* && echo "(i) cleaned"
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}
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# control script
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case $1 in
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all) buildAll $2 ;;
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small) buildAll small ;;
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"") buildAll ;;
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redo)
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clean
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buildAll $2
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;;
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clean)
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clean
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;;
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run)
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buildAll && "./$DEBUG_PATH"
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;;
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install)
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clean
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buildAll small \
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&& echo "... installing" \
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&& install -d /usr/games/ \
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&& install -d /usr/share/applications/ \
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&& install -d /usr/share/icons/ \
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&& install -m 644 m4kc.desktop /usr/share/applications/m4kc.desktop \
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&& install -m 644 icons/icon.png /usr/share/icons/m4kc.png \
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&& install -m 755 "./$SMALL_PATH" /usr/games/m4kc \
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&& echo ".// installed"
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;;
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uninstall)
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rm "/usr/games/m4kc"
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rm "/usr/share/applications/m4kc.desktop"
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rm "/usr/share/icons/m4kc.png"
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;;
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*) buildModule $1 $2 ;;
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esac
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