4219 - add an even simpler build script
This commit is contained in:
Kartik K. Agaram
parent
7e977235d4
commit
c912b7319f
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@ -33,6 +33,7 @@ matrix:
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- env: COMMAND=./subx/test_layers
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- env: COMMAND=./test_layers BUILD=build0 START=one-off
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- env: COMMAND=./test_layers BUILD=build1 START=one-off
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- env: COMMAND=./test_layers BUILD=build2 START=one-off
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script:
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- $COMMAND $START $END
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@ -4,25 +4,6 @@
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set -v
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set -e # stop immediately on error
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# Some environment variables that can be passed in. For example, to turn off
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# optimization:
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# $ CFLAGS=-g ./build0
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test "$CXX" || export CXX=c++
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test "$CC" || export CC=cc
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test "$CFLAGS" || export CFLAGS="-g -O3"
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export CFLAGS="$CFLAGS -Wall -Wextra -ftrapv -fno-strict-aliasing"
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# Outline:
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# [0-9]*.cc -> mu.cc -> mu_bin
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# (layers) | |
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# tangle $CXX
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# can also be called with a layer to only build until
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# $ ./build0 --until 050
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UNTIL_LAYER=${2:-zzz}
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$CXX $CFLAGS enumerate/enumerate.cc -o enumerate/enumerate
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cd tangle
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{
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grep -h "^struct .* {" [0-9]*.cc |sed 's/\(struct *[^ ]*\).*/\1;/'
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@ -32,22 +13,18 @@ cd tangle
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ls [0-9]*.cc |grep -v "\.test\.cc$" |sed 's/.*/#include "&"/' > file_list
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ls [0-9]*.test.cc |sed 's/.*/#include "&"/' > test_file_list
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grep -h "^[[:space:]]*void test_" [0-9]*.cc |sed 's/^\s*void \(.*\)() {$/\1,/' > test_list
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$CXX $CFLAGS boot.cc -o tangle
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g++ -g -O3 boot.cc -o tangle
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cd ..
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cd termbox
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$CC $CFLAGS -c termbox.c
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$CC $CFLAGS -c utf8.c
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gcc -g -O3 -c termbox.c
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gcc -g -O3 -c utf8.c
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ar rcs libtermbox.a *.o
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cd ..
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LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER |grep '\.cc$')
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./tangle/tangle $LAYERS > mu.cc
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./tangle/tangle [0-9]*.cc > mu.cc
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grep -h "^[^[:space:]#].*) {$" mu.cc |grep -v ":.*(" |sed 's/ {.*/;/' > function_list
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grep -h "^\s*void test_" mu.cc |sed 's/^\s*void \(.*\)() {.*/\1,/' > test_list
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$CXX $CFLAGS mu.cc termbox/libtermbox.a -o mu_bin
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g++ -g -O3 mu.cc termbox/libtermbox.a -o mu_bin
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## [0-9]*.mu -> core.mu
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MU_LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER |grep '\.mu$') || exit 0 # ok if no .mu files
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cat $MU_LAYERS > core.mu
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cat [0-9]*.mu > core.mu
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@ -1,157 +1,54 @@
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#!/bin/sh
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# Alternative to build0 that tries to avoid redoing redundant work.
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# Also splits compilation into multiple .cc files (see 'cleave' below).
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# Faster than build0 for recompiling after small changes.
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#
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# For details on the basic form of this script, see https://notabug.org/akkartik/basic-build.
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# Alternative to build0 that supports a --until flag to include only a subset
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# of layers.
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set -v
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set -e # stop immediately on error
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# Some environment variables that can be passed in. For example, to turn off
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# optimization:
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# $ CFLAGS=-g ./build0
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# $ CFLAGS=-g ./build1
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test "$CXX" || export CXX=c++
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test "$CC" || export CC=cc
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test "$CFLAGS" || export CFLAGS="-g -O3"
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export CFLAGS="$CFLAGS -Wall -Wextra -ftrapv -fno-strict-aliasing"
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# Outline:
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# [0-9]*.cc -> mu.cc -> .build/*.cc -> .build/*.o -> .build/mu_bin
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# (layers) | | | |
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# tangle cleave $CXX $CXX
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# [0-9]*.cc -> mu.cc -> mu_bin
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# (layers) | |
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# tangle $CXX
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# can also be called with a layer to only build until
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# $ ./build1 --until 050
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UNTIL_LAYER=${2:-zzz}
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# there's two mechanisms for fast builds here:
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# - if a command is quick to run, always run it but update the result only on any change
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# - otherwise run it only if the output is 'older_than' the inputs
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#
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# avoid combining both mechanisms for a single file
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# otherwise you'll see spurious messages about files being updated
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# risk: a file may unnecessarily update without changes, causing unnecessary work downstream
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$CXX $CFLAGS enumerate/enumerate.cc -o enumerate/enumerate
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# return 1 if $1 is older than _any_ of the remaining args
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older_than() {
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local target=$1
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shift
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if [ ! -e $target ]
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then
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#? echo "$target doesn't exist"
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echo "updating $target" >&2
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return 0 # success
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fi
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local f
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for f in $*
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do
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if [ $f -nt $target ]
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then
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echo "updating $target" >&2
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return 0 # success
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fi
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done
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return 1 # failure
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}
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cd tangle
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{
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grep -h "^struct .* {" [0-9]*.cc |sed 's/\(struct *[^ ]*\).*/\1;/'
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grep -h "^typedef " [0-9]*.cc
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} > type_list
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grep -h "^[^ #].*) {" [0-9]*.cc |sed 's/ {.*/;/' > function_list
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ls [0-9]*.cc |grep -v "\.test\.cc$" |sed 's/.*/#include "&"/' > file_list
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ls [0-9]*.test.cc |sed 's/.*/#include "&"/' > test_file_list
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grep -h "^[[:space:]]*void test_" [0-9]*.cc |sed 's/^\s*void \(.*\)() {$/\1,/' > test_list
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$CXX $CFLAGS boot.cc -o tangle
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cd ..
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# redirect to $1, unless it's already identical
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update() {
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if [ ! -e $1 ]
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then
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cat > $1
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else
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cat > $1.tmp
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diff -q $1 $1.tmp >/dev/null && rm $1.tmp || mv $1.tmp $1
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fi
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}
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update_cp() {
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if [ ! -e $2/$1 ]
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then
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cp $1 $2
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elif [ $1 -nt $2/$1 ]
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then
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cp $1 $2
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fi
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}
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noisy_cd() {
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cd $1
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echo "-- `pwd`" >&2
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}
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older_than enumerate/enumerate enumerate/enumerate.cc && {
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$CXX $CFLAGS enumerate/enumerate.cc -o enumerate/enumerate
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}
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older_than tangle/tangle tangle/*.cc && {
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noisy_cd tangle
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{
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grep -h "^struct .* {" [0-9]*.cc |sed 's/\(struct *[^ ]*\).*/\1;/'
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grep -h "^typedef " [0-9]*.cc
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} |update type_list
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grep -h "^[^ #].*) {" [0-9]*.cc |sed 's/ {.*/;/' |update function_list
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ls [0-9]*.cc |grep -v "\.test\.cc$" |sed 's/.*/#include "&"/' |update file_list
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ls [0-9]*.test.cc |sed 's/.*/#include "&"/' |update test_file_list
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grep -h "^[[:space:]]*void test_" [0-9]*.cc |sed 's/^\s*void \(.*\)() {$/\1,/' |update test_list
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$CXX $CFLAGS boot.cc -o tangle
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noisy_cd .. # no effect; just to show us returning to the parent directory
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}
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cd termbox
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$CC $CFLAGS -c termbox.c
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$CC $CFLAGS -c utf8.c
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ar rcs libtermbox.a *.o
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cd ..
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LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER |grep '\.cc$')
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older_than mu.cc $LAYERS enumerate/enumerate tangle/tangle && {
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# no update here; rely on 'update' calls downstream
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./tangle/tangle $LAYERS > mu.cc
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}
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older_than cleave/cleave cleave/cleave.cc && {
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$CXX -O3 -Wall -Wextra -fno-strict-aliasing cleave/cleave.cc -o cleave/cleave
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rm -rf .build
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}
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mkdir -p .build
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grep -h "^[^[:space:]#].*) {$" mu.cc |grep -v ":.*(" |sed 's/ {.*/;/' |update .build/function_list
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grep -h "^\s*void test_" mu.cc |sed 's/^\s*void \(.*\)() {.*/\1,/' |update .build/test_list
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mkdir -p .build/termbox
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update_cp termbox/termbox.h .build/termbox
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older_than mu_bin mu.cc *_list cleave/cleave termbox/* && {
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./cleave/cleave mu.cc .build
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noisy_cd .build
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grep ';' global_definitions_list |sed 's/[=(].*/;/' |sed 's/^[^\/# ]/extern &/' |sed 's/^extern extern /extern /' |update global_declarations_list
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for f in mu_*.cc
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do
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older_than `echo $f |sed 's/\.cc$/.o/'` $f header global_declarations_list function_list test_list && {
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$CXX $CFLAGS -c $f
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}
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done
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noisy_cd ../termbox
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older_than utf8.o utf8.c && {
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$CC $CFLAGS -c utf8.c
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}
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older_than termbox.o termbox.c termbox.h input.inl output.inl bytebuffer.inl && {
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$CC $CFLAGS -c termbox.c
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}
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older_than libtermbox.a *.o && {
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ar rcs libtermbox.a *.o
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}
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noisy_cd ..
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$CXX $CFLAGS .build/*.o termbox/libtermbox.a -o .build/mu_bin
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cp .build/mu_bin .
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}
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./tangle/tangle $LAYERS > mu.cc
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grep -h "^[^[:space:]#].*) {$" mu.cc |grep -v ":.*(" |sed 's/ {.*/;/' > function_list
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grep -h "^\s*void test_" mu.cc |sed 's/^\s*void \(.*\)() {.*/\1,/' > test_list
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$CXX $CFLAGS mu.cc termbox/libtermbox.a -o mu_bin
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## [0-9]*.mu -> core.mu
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MU_LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER |grep '\.mu$') || exit 0 # ok if no .mu files
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cat $MU_LAYERS |update core.mu
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exit 0
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# scenarios considered:
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# 0 status when nothing needs updating
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# no output when nothing needs updating
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# no output for mu.cc when .mu files modified
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# touch mu.cc but don't modify it; no output on second build
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# touch a .cc layer but don't modify it; no output on second build
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# only a single layer is recompiled when changing a C++ function
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# stop immediately after failure in tangle
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cat $MU_LAYERS > core.mu
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39
build2
39
build2
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@ -1,12 +1,15 @@
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#!/bin/sh
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# Alternative to build1 that can stop after any step. For example:
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# $ ./build2 mu.cc
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# Alternative to build1 that tries to avoid redoing redundant work.
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# Also splits compilation into multiple .cc files (see 'cleave' below).
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# Faster than build1 for recompiling after small changes.
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#
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# For details on the basic form of this script, see https://notabug.org/akkartik/basic-build.
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set -e # stop immediately on error
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# Some environment variables that can be passed in. For example, to turn off
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# optimization:
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# $ CFLAGS=-g ./build0
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# $ CFLAGS=-g ./build2
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test "$CXX" || export CXX=c++
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test "$CC" || export CC=cc
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test "$CFLAGS" || export CFLAGS="-g -O3"
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@ -17,29 +20,9 @@ export CFLAGS="$CFLAGS -Wall -Wextra -ftrapv -fno-strict-aliasing"
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# (layers) | | | |
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# tangle cleave $CXX $CXX
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## arg parsing
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# can be called with a target to stop after a partial build
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# $ ./build2 mu.cc
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# can also be called with a layer to only build until
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# $ ./build2 --until 050
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# scenarios:
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# ./build2 => TARGET= UNTIL_LAYER=zzz
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# ./build2 x => TARGET=x UNTIL_LAYER=zzz
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# ./build2 --until => TARGET= UNTIL_LAYER=zzz
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# ./build2 --until 050 => TARGET= UNTIL_LAYER=050
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TARGET=
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UNTIL_LAYER=zzz
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if [ $# -ge 1 ] && [ $1 != "--until" ]
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then
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TARGET=$1
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fi
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if [ $# -ge 2 ] && [ $1 = "--until" ]
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then
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UNTIL_LAYER=$2
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fi
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##
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UNTIL_LAYER=${2:-zzz}
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# there's two mechanisms for fast builds here:
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# - if a command is quick to run, always run it but update the result only on any change
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@ -50,12 +33,9 @@ fi
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# risk: a file may unnecessarily update without changes, causing unnecessary work downstream
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# return 1 if $1 is older than _any_ of the remaining args
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# also exit the entire script if previous invocation was to update $TARGET
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older_than() {
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test $TARGET && test "$last_target" = "$TARGET" && exit 0
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local target=$1
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shift
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last_target=$target
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if [ ! -e $target ]
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then
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#? echo "$target doesn't exist"
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@ -75,7 +55,6 @@ older_than() {
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}
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# redirect to $1, unless it's already identical
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# no point checking for an early exit, because this usually runs in a pipeline/subshell
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update() {
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if [ ! -e $1 ]
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then
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@ -86,11 +65,7 @@ update() {
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fi
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}
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# cp file $1 to directory $2, unless it's already identical
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# also exit the entire script if previous invocation was to update $TARGET
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update_cp() {
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test $TARGET && test "$last_target" = "$TARGET" && exit 0
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last_target=$2/$1
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if [ ! -e $2/$1 ]
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then
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cp $1 $2
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@ -0,0 +1,182 @@
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#!/bin/sh
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# Alternative to build2 that can stop after any step. For example:
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# $ ./build3 mu.cc
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set -e # stop immediately on error
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# Some environment variables that can be passed in. For example, to turn off
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# optimization:
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# $ CFLAGS=-g ./build0
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test "$CXX" || export CXX=c++
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test "$CC" || export CC=cc
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test "$CFLAGS" || export CFLAGS="-g -O3"
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export CFLAGS="$CFLAGS -Wall -Wextra -ftrapv -fno-strict-aliasing"
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# Outline:
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# [0-9]*.cc -> mu.cc -> .build/*.cc -> .build/*.o -> .build/mu_bin
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# (layers) | | | |
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# tangle cleave $CXX $CXX
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## arg parsing
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# can be called with a target to stop after a partial build
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# $ ./build3 mu.cc
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# can also be called with a layer to only build until
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# $ ./build3 --until 050
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# scenarios:
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# ./build3 => TARGET= UNTIL_LAYER=zzz
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# ./build3 x => TARGET=x UNTIL_LAYER=zzz
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# ./build3 --until => TARGET= UNTIL_LAYER=zzz
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# ./build3 --until 050 => TARGET= UNTIL_LAYER=050
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TARGET=
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UNTIL_LAYER=zzz
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if [ $# -ge 1 ] && [ $1 != "--until" ]
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then
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TARGET=$1
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fi
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if [ $# -ge 2 ] && [ $1 = "--until" ]
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then
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UNTIL_LAYER=$2
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fi
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##
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# there's two mechanisms for fast builds here:
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# - if a command is quick to run, always run it but update the result only on any change
|
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# - otherwise run it only if the output is 'older_than' the inputs
|
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#
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# avoid combining both mechanisms for a single file
|
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# otherwise you'll see spurious messages about files being updated
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# risk: a file may unnecessarily update without changes, causing unnecessary work downstream
|
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|
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# return 1 if $1 is older than _any_ of the remaining args
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# also exit the entire script if previous invocation was to update $TARGET
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older_than() {
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test $TARGET && test "$last_target" = "$TARGET" && exit 0
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local target=$1
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shift
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last_target=$target
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if [ ! -e $target ]
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then
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#? echo "$target doesn't exist"
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echo "updating $target" >&2
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return 0 # success
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fi
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local f
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for f in $*
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do
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if [ $f -nt $target ]
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then
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echo "updating $target" >&2
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return 0 # success
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fi
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done
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return 1 # failure
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}
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# redirect to $1, unless it's already identical
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# no point checking for an early exit, because this usually runs in a pipeline/subshell
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update() {
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if [ ! -e $1 ]
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then
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cat > $1
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else
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cat > $1.tmp
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diff -q $1 $1.tmp >/dev/null && rm $1.tmp || mv $1.tmp $1
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fi
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}
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# cp file $1 to directory $2, unless it's already identical
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# also exit the entire script if previous invocation was to update $TARGET
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update_cp() {
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test $TARGET && test "$last_target" = "$TARGET" && exit 0
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last_target=$2/$1
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if [ ! -e $2/$1 ]
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then
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cp $1 $2
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elif [ $1 -nt $2/$1 ]
|
||||
then
|
||||
cp $1 $2
|
||||
fi
|
||||
}
|
||||
|
||||
noisy_cd() {
|
||||
cd $1
|
||||
echo "-- `pwd`" >&2
|
||||
}
|
||||
|
||||
older_than enumerate/enumerate enumerate/enumerate.cc && {
|
||||
$CXX $CFLAGS enumerate/enumerate.cc -o enumerate/enumerate
|
||||
}
|
||||
|
||||
older_than tangle/tangle tangle/*.cc && {
|
||||
noisy_cd tangle
|
||||
{
|
||||
grep -h "^struct .* {" [0-9]*.cc |sed 's/\(struct *[^ ]*\).*/\1;/'
|
||||
grep -h "^typedef " [0-9]*.cc
|
||||
} |update type_list
|
||||
grep -h "^[^ #].*) {" [0-9]*.cc |sed 's/ {.*/;/' |update function_list
|
||||
ls [0-9]*.cc |grep -v "\.test\.cc$" |sed 's/.*/#include "&"/' |update file_list
|
||||
ls [0-9]*.test.cc |sed 's/.*/#include "&"/' |update test_file_list
|
||||
grep -h "^[[:space:]]*void test_" [0-9]*.cc |sed 's/^\s*void \(.*\)() {$/\1,/' |update test_list
|
||||
$CXX $CFLAGS boot.cc -o tangle
|
||||
noisy_cd .. # no effect; just to show us returning to the parent directory
|
||||
}
|
||||
|
||||
LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER |grep '\.cc$')
|
||||
older_than mu.cc $LAYERS enumerate/enumerate tangle/tangle && {
|
||||
# no update here; rely on 'update' calls downstream
|
||||
./tangle/tangle $LAYERS > mu.cc
|
||||
}
|
||||
|
||||
older_than cleave/cleave cleave/cleave.cc && {
|
||||
$CXX -O3 -Wall -Wextra -fno-strict-aliasing cleave/cleave.cc -o cleave/cleave
|
||||
rm -rf .build
|
||||
}
|
||||
|
||||
mkdir -p .build
|
||||
grep -h "^[^[:space:]#].*) {$" mu.cc |grep -v ":.*(" |sed 's/ {.*/;/' |update .build/function_list
|
||||
grep -h "^\s*void test_" mu.cc |sed 's/^\s*void \(.*\)() {.*/\1,/' |update .build/test_list
|
||||
mkdir -p .build/termbox
|
||||
update_cp termbox/termbox.h .build/termbox
|
||||
|
||||
older_than mu_bin mu.cc *_list cleave/cleave termbox/* && {
|
||||
./cleave/cleave mu.cc .build
|
||||
noisy_cd .build
|
||||
grep ';' global_definitions_list |sed 's/[=(].*/;/' |sed 's/^[^\/# ]/extern &/' |sed 's/^extern extern /extern /' |update global_declarations_list
|
||||
for f in mu_*.cc
|
||||
do
|
||||
older_than `echo $f |sed 's/\.cc$/.o/'` $f header global_declarations_list function_list test_list && {
|
||||
$CXX $CFLAGS -c $f
|
||||
}
|
||||
done
|
||||
noisy_cd ../termbox
|
||||
older_than utf8.o utf8.c && {
|
||||
$CC $CFLAGS -c utf8.c
|
||||
}
|
||||
older_than termbox.o termbox.c termbox.h input.inl output.inl bytebuffer.inl && {
|
||||
$CC $CFLAGS -c termbox.c
|
||||
}
|
||||
older_than libtermbox.a *.o && {
|
||||
ar rcs libtermbox.a *.o
|
||||
}
|
||||
noisy_cd ..
|
||||
$CXX $CFLAGS .build/*.o termbox/libtermbox.a -o .build/mu_bin
|
||||
cp .build/mu_bin .
|
||||
}
|
||||
|
||||
## [0-9]*.mu -> core.mu
|
||||
|
||||
MU_LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER |grep '\.mu$') || exit 0 # ok if no .mu files
|
||||
cat $MU_LAYERS |update core.mu
|
||||
|
||||
exit 0
|
||||
|
||||
# scenarios considered:
|
||||
# 0 status when nothing needs updating
|
||||
# no output when nothing needs updating
|
||||
# no output for mu.cc when .mu files modified
|
||||
# touch mu.cc but don't modify it; no output on second build
|
||||
# touch a .cc layer but don't modify it; no output on second build
|
||||
# only a single layer is recompiled when changing a C++ function
|
||||
# stop immediately after failure in tangle
|
||||
|
|
@ -2,4 +2,4 @@
|
|||
set -e
|
||||
|
||||
./clean top-level
|
||||
./build1 --until $1 && ./mu_bin test
|
||||
./build3 --until $1 && ./mu_bin test
|
||||
|
|
|
|||
2
mu
2
mu
|
|
@ -2,7 +2,7 @@
|
|||
# Run interpreter, first compiling if necessary.
|
||||
set -e
|
||||
|
||||
./build1 && ./mu_bin "$@"
|
||||
./build3 && ./mu_bin "$@"
|
||||
|
||||
# Scenarios considered:
|
||||
# mu
|
||||
|
|
|
|||
|
|
@ -15,7 +15,7 @@
|
|||
# test_layers app
|
||||
set -e
|
||||
|
||||
test "$BUILD" || export BUILD=build1
|
||||
test "$BUILD" || export BUILD=build3
|
||||
|
||||
if [[ $1 == one-off ]]
|
||||
then
|
||||
|
|
|
|||
Loading…
Reference in New Issue