diff options
| -rwxr-xr-x | build | 55 |
1 files changed, 22 insertions, 33 deletions
diff --git a/build b/build index d3dc4b0a..dfd0fd81 100755 --- a/build +++ b/build @@ -11,6 +11,14 @@ set -e # stop immediately on error # non-zero exit status only on error during building UNTIL_LAYER=${2:-zzz} +# there's two mechanisms for fast builds here: +# - if a command is quick to run, always run it but update the result only on any change +# - otherwise run it only if the output is 'older_than' the inputs +# +# avoid combining both mechanisms for a single file +# otherwise you'll see spurious messages about files being updated +# risk: a file may unnecessarily update without changes, causing unnecessary work downstream + test $CXX || export CXX=c++ test $CC || export CC=cc test $CFLAGS || export CFLAGS="-g -O3" @@ -71,22 +79,14 @@ older_than enumerate/enumerate enumerate/enumerate.cc && { ( older_than tangle/tangle tangle/*.cc && { noisy_cd tangle - older_than type_list [0-9]*.cc && { + { grep -h "^struct .* {" [0-9]*.cc |sed 's/\(struct *[^ ]*\).*/\1;/' grep -h "^typedef " [0-9]*.cc } |update type_list - older_than function_list [0-9]*.cc && { - grep -h "^[^ #].*) {" [0-9]*.cc |sed 's/ {.*/;/' |update function_list - } - older_than file_list [0-9]*.cc && { - ls [0-9]*.cc |grep -v "\.test\.cc$" |sed 's/.*/#include "&"/' |update file_list - } - older_than test_file_list [0-9]*.test.cc && { - ls [0-9]*.test.cc |sed 's/.*/#include "&"/' |update test_file_list - } - older_than test_list [0-9]*.cc && { - grep -h "^[[:space:]]*void test_" [0-9]*.cc |sed 's/^\s*void \(.*\)() {$/\1,/' |update test_list - } + grep -h "^[^ #].*) {" [0-9]*.cc |sed 's/ {.*/;/' |update function_list + ls [0-9]*.cc |grep -v "\.test\.cc$" |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 $CFLAGS boot.cc -o tangle noisy_cd .. # no effect; just to show us returning to the parent directory } @@ -94,32 +94,23 @@ older_than enumerate/enumerate enumerate/enumerate.cc && { ) LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER |grep -v '.mu$') -older_than mu.cc $LAYERS enumerate/enumerate tangle/tangle && { - ./tangle/tangle $LAYERS |update mu.cc -} -older_than function_list mu.cc && { - grep -h "^[^[:space:]#].*) {$" mu.cc |grep -v ":.*(" |sed 's/ {.*/;/' |update function_list -} -older_than test_list mu.cc && { - grep -h "^\s*void test_" mu.cc |sed 's/^\s*void \(.*\)() {.*/\1,/' |update test_list -} +./tangle/tangle $LAYERS |update 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/* && { - mkdir -p .build - update_cp function_list .build - update_cp test_list .build - mkdir -p .build/termbox - cp termbox/termbox.h .build/termbox ./cleave/cleave mu.cc .build noisy_cd .build - older_than global_declarations_list global_definitions_list && { - grep ';' global_definitions_list |sed 's/[=(].*/;/' |sed 's/^[^\/# ]/extern &/' |sed 's/^extern extern /extern /' |update global_declarations_list - } + 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/'` $f header global_declarations_list function_list test_list && { @@ -144,8 +135,6 @@ older_than mu_bin mu.cc *_list cleave/cleave termbox/* && { ## [0-9]*.mu -> core.mu MU_LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER |grep '.mu$') || exit 0 # ok if no .mu files -older_than core.mu $MU_LAYERS enumerate/enumerate && { - cat $MU_LAYERS |update core.mu -} +cat $MU_LAYERS |update core.mu exit 0 |