diff options
Diffstat (limited to 'cli/cli/buildfile')
| -rw-r--r-- | cli/cli/buildfile | 161 |
1 files changed, 122 insertions, 39 deletions
diff --git a/cli/cli/buildfile b/cli/cli/buildfile index 2385a7d..92c3e6e 100644 --- a/cli/cli/buildfile +++ b/cli/cli/buildfile @@ -15,63 +15,146 @@ exe{cli}: cli.checksum = $version } -libue{cli}: {hxx ixx txx cxx}{** -cli -version -options -**.test...} \ - {hxx}{version} {hxx ixx cxx}{options} \ - $libs +hdr = {hxx ixx txx}{* -cli -version -options -*.test...} +src = cxx{* -cli -version -options -*.test...} + +all_s = semantics/{hxx ixx txx cxx}{*} +all_t = traversal/{hxx ixx txx cxx}{*} + +libue{cli}: $hdr $src $all_s $all_t {hxx}{version} $libs hxx{version}: in{version} $src_root/manifest -# Unit tests. +# Build options (apply to both bootstrap and final version). # -exe{*.test}: +cxx.poptions =+ "-I$out_root" "-I$src_root" + +# CLI uses its own generated code to handle the command line. To solve the +# chicken and egg problem that this poses we keep pregenerated source code in +# pregenerated/. +# +# In the consumption build ($config.cli.develop == false), we just use this +# pregenerated source code to build the final version of the compiler. In the +# development build ($config.cli.develop == true) we use this pregenerated +# source code to build a bootstrap version of the compiler which we then use +# to regenerate the source code and build that final version from that. + +## Consumption build ($develop == false). +# + +# Use pregenerated versions to build the final version of cli. +# +libue{cli}: pregenerated/{hxx ixx cxx}{**}: include = (!$develop) + +if! $develop + cxx.poptions =+ "-I($src_base/pregenerated)" # Note: must come first. + +# Distribute pregenerated versions only in the consumption build. +# +pregenerated/{hxx ixx cxx}{*}: dist = (!$develop) + +# +## + +## Development build ($develop == true). +# +libue{cli}: {hxx ixx cxx}{options}: include = $develop + +# Bootstrap. +# +# The plan is as follows: +# +# 1. Build the bootstrap version of cli using a copy of options.?xx saved in +# pregenerated/cli/. +# +# 2. Use that to regenerate options.?xx. If the result differs from the saved +# version, copy it over and fail the build, asking for a restart. +# +# 3. Otherwise, proceed to build the final version of cli using regenerated +# options.?xx. +# +pregenerated/ { - test = true - install = false + # This should only apply to the bootstrap build. + # + cxx.poptions =+ "-I$src_base" # Note: must come first. + + cli/ + { + # Note: semantics/ and traversal/ do not include options.hxx so we can + # share their object files. + # + exe{cli}: obj{cli $name($src) options} ../../{$all_s $all_t} $libs + + for s: cli $name($src) + obj{$s}: ../../cxx{$s} $libs + + obj{options}: {hxx ixx cxx}{options} + + obj{cli}: cxx.poptions += -DCLI_BOOTSTRAP + } } -for t: cxx{**.test...} +# In the development build distribute regenerated {hxx ixx cxx}{options}, +# remapping their locations to the paths of the pregenerated versions (which +# are only distributed in the consumption build; see above). This way we make +# sure that the distributed files are always up-to-date. +# +<{hxx ixx cxx}{options}>: cli{options} pregenerated/cli/exe{cli} { - d = $directory($t) - n = $name($t)... + dist = ($develop ? pregenerated/cli/ : false) - ./: $d/exe{$n}: $t $d/{hxx ixx txx}{+$n} $d/testscript{+$n} - $d/exe{$n}: libue{cli}: bin.whole = false + # Symlink the generated code in src for convenience of development. + # + backlink = true } +% +if $develop +{{ + options = --include-with-brackets --include-prefix cli \ + --guard-prefix CLI --generate-file-scanner \ + --generate-specifier --generate-modifier \ + --suppress-undocumented --reserved-name stdout + + diag cli ($<[0]) -> $> + ($<[1]) $options -o $out_base $path($<[0]) + + # If the result differs from the bootstrap version, copy it over and + # request the build restart. + # + if diff $src_base/pregenerated/cli/options.hxx $path($>[0]) >- && \ + diff $src_base/pregenerated/cli/options.ixx $path($>[1]) >- && \ + diff $src_base/pregenerated/cli/options.cxx $path($>[2]) >- + exit + end + + cp $path($>[0]) $src_base/pregenerated/cli/options.hxx + cp $path($>[1]) $src_base/pregenerated/cli/options.ixx + cp $path($>[2]) $src_base/pregenerated/cli/options.cxx + + exit "bootstrap options.?xx have changed, restart the build" +}} -# Build options. # +## + # Pass the copyright notice extracted from the LICENSE file. # -copyright = $process.run_regex(cat $src_root/LICENSE, \ - 'Copyright \(c\) (.+)\.', \ - '\1') - obj{cli}: cxx.poptions += -DCLI_COPYRIGHT=\"$copyright\" -# Generated options parsing code. -# -# @@ This will eventually be replaced with an ah hoc recipe. +# Unit tests. # -if ($config.cli != [null] && $config.cli != false) +exe{*.test}: { - cli.cxx{options}: cli{options} - - cli.options += --include-with-brackets --include-prefix cli \ ---guard-prefix CLI --generate-file-scanner --generate-specifier \ ---generate-modifier --suppress-undocumented --reserved-name stdout + test = true + install = false +} - cli.cxx{*}: - { - # Include the generated cli files into the distribution and don't remove - # them when cleaning in src (so that clean results in a state identical to - # distributed). - # - dist = true - clean = ($src_root != $out_root) +for t: cxx{**.test...} +{ + d = $directory($t) + n = $name($t)... - # We keep the generated code in the repository so copy it back to src - # in case of a forwarded configuration. - # - backlink = overwrite - } + ./: $d/exe{$n}: $t $d/{hxx ixx txx}{+$n} $d/testscript{+$n} + $d/exe{$n}: libue{cli}: bin.whole = false } |