blob: dfd0fd815f4734307ea6aba40bd01ed2d08579f7 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
#!/bin/sh
set -e # stop immediately on error
# [0-9]*.cc -> mu.cc -> .build/*.cc -> .build/*.o -> .build/mu_bin
# (layers) | | | |
# tangle cleave $CXX $CXX
# can also be called with a layer to only build until
# $ ./build --until 050
# returns 0 on successful build or nothing to build;
# 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 $CFLAGS || export CFLAGS="-g -O3"
export CFLAGS="$CFLAGS -Wall -Wextra -ftrapv -fno-strict-aliasing"
# return 1 if $1 is older than _any_ of the remaining args
older_than() {
local target=$1
shift
if [ ! -e $target ]
then
#? echo "$target doesn't exist"
echo "updating $target" >&2
return 0 # success
fi
local f
for f in $*
do
if [ $f -nt $target ]
then
echo "updating $target" >&2
return 0 # success
fi
done
return 1 # failure
}
# redirect to $1, unless it's already identical
update() {
if [ ! -e $1 ]
then
cat > $1
else
cat > $1.tmp
diff -q $1 $1.tmp >/dev/null && rm $1.tmp || mv $1.tmp $1
fi
}
update_cp() {
if [ ! -e $2/$1 ]
then
cp $1 $2
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 $CFLAGS boot.cc -o tangle
noisy_cd .. # no effect; just to show us returning to the parent directory
}
exit 0
)
LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER |grep -v '.mu$')
./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/* && {
./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 ..
$CXX .build/*.o termbox/libtermbox.a -o .build/mu_bin
cp .build/mu_bin .
}
## [0-9]*.mu -> core.mu
MU_LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER |grep '.mu$') || exit 0 # ok if no .mu files
cat $MU_LAYERS |update core.mu
exit 0
|