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#!/bin/sh
# Alternative to build0 that supports a --until flag to include only a subset
# of layers.
# $ ./build1 --until 050
UNTIL_LAYER=${2:-zzz}
set -v
set -e # stop immediately on error
# Some environment variables that can be passed in. For example, to turn off
# optimization:
# $ CFLAGS=-g ./build1
test "$CXX" || export CXX=c++
test "$CC" || export CC=cc
test "$CFLAGS" || export CFLAGS="-g -O2"
export CFLAGS="$CFLAGS -Wall -Wextra -ftrapv -fno-strict-aliasing"
export CXXFLAGS="-std=c++98 $CFLAGS" # CI has an ancient version; don't expect recent dialects
# Outline:
# [0-9]*.cc -> mu.cc -> mu_bin
# (layers) | |
# tangle $CXX
$CXX $CFLAGS ../../linux/bootstrap/tools/enumerate.cc -o ../../linux/bootstrap/tools/enumerate
cd ../../linux/bootstrap/tools
# auto-generate various lists (ending in '_list' by convention) {
# list of function declarations, so I can define them in any order
grep -h "^[^ #].*) {" tangle.cc |sed 's/ {.*/;/' > tangle.function_list
# list of tests to run
grep -h "^[[:space:]]*void test_" tangle.cc |sed 's/^\s*void \(.*\)() {$/\1,/' > tangle.test_list
grep -h "^\s*void test_" tangle.cc |sed 's/^\s*void \(.*\)() {.*/"\1",/' > tangle.test_name_list
# }
$CXX $CXXFLAGS tangle.cc -o tangle
./tangle test
cd ../../../archive/1.vm
cd termbox
$CC $CFLAGS -c termbox.c
$CC $CFLAGS -c utf8.c
ar rcs libtermbox.a *.o
cd ..
LAYERS=$(../../linux/bootstrap/tools/enumerate --until $UNTIL_LAYER |grep '\.cc$')
../../linux/bootstrap/tools/tangle $LAYERS > mu.cc
# auto-generate function declarations, so I can define them in any order
# functions start out unindented, have all args on the same line, and end in ') {'
#
# \/ ignore struct/class methods
grep -h "^[^[:space:]#].*) {$" mu.cc |grep -v ":.*(" |sed 's/ {.*/;/' > function_list
# auto-generate list of tests to run
grep -h "^\s*void test_" mu.cc |sed 's/^\s*void \(.*\)() {.*/\1,/' > test_list
grep -h "^\s*void test_" mu.cc |sed 's/^\s*void \(.*\)() {.*/"\1",/' > test_name_list
$CXX $CXXFLAGS mu.cc termbox/libtermbox.a -o mu_bin
## [0-9]*.mu -> core.mu
MU_LAYERS=$(../../linux/bootstrap/tools/enumerate --until $UNTIL_LAYER |grep '\.mu$') || exit 0 # ok if no .mu files
cat $MU_LAYERS > core.mu
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