84 lines
2.3 KiB
Bash
Executable File
84 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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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 ./build2
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test "$CXX" || export CXX=c++
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test "$CC" || export CC=cc
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test "$CFLAGS" || export CFLAGS="-g -O2"
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export CFLAGS="$CFLAGS -Wall -Wextra -ftrapv -fno-strict-aliasing"
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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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# 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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# 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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noisy_cd() {
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cd $1
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echo "-- `pwd`" >&2
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}
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older_than browse_trace_bin browse_trace.cc *_list ../termbox/* && {
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# missing some deps here
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noisy_cd ../termbox
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older_than ../termbox/libtermbox.a ../termbox/*.c && {
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older_than utf8.o utf8.c && {
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$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 $CFLAGS -c termbox.c
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}
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older_than libtermbox.a *.o && {
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ar rcs libtermbox.a *.o
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}
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}
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noisy_cd ../browse_trace
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grep -h "^[^[:space:]#].*) {$" browse_trace.cc |grep -v ":.*(" |sed 's/ {.*/;/' |update function_list
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# auto-generate list of tests to run
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grep -h "^\s*void test_" browse_trace.cc |sed 's/^\s*void \(.*\)() {.*/\1,/' |update test_list
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grep -h "^\s*void test_" browse_trace.cc |sed 's/^\s*void \(.*\)() {.*/"\1",/' |update test_name_list
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$CXX $CFLAGS browse_trace.cc ../termbox/libtermbox.a -o browse_trace_bin
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}
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exit 0
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