diff options
Diffstat (limited to 'cli/cli/buildfile')
| -rw-r--r-- | cli/cli/buildfile | 145 |
1 files changed, 86 insertions, 59 deletions
diff --git a/cli/cli/buildfile b/cli/cli/buildfile index dc5d75b..92c3e6e 100644 --- a/cli/cli/buildfile +++ b/cli/cli/buildfile @@ -25,91 +25,118 @@ libue{cli}: $hdr $src $all_s $all_t {hxx}{version} $libs hxx{version}: in{version} $src_root/manifest -# Build options (both bootstrap and final version). +# Build options (apply to both bootstrap and final version). # cxx.poptions =+ "-I$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 -# bootstrap/cli/. +# pregenerated/cli/. # -# 2. Use that to re-generate options.?xx. If the result differs from the -# saved version, copy it over and fail the build, asking for a restart. +# 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. +# 3. Otherwise, proceed to build the final version of cli using regenerated +# options.?xx. # -if $config.cli.develop +pregenerated/ { - libue{cli}: {hxx ixx cxx}{options} + # This should only apply to the bootstrap build. + # + cxx.poptions =+ "-I$src_base" # Note: must come first. - bootstrap/ + cli/ { - # This should only apply to the bootstrap build. + # Note: semantics/ and traversal/ do not include options.hxx so we can + # share their object files. # - cxx.poptions =+ "-I$src_base" # Note: must come first. + exe{cli}: obj{cli $name($src) options} ../../{$all_s $all_t} $libs - 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 - for s: cli $name($src) - obj{$s}: ../../cxx{$s} $libs + obj{options}: {hxx ixx cxx}{options} - obj{options}: {hxx ixx cxx}{options} - - obj{cli}: cxx.poptions += -DCLI_BOOTSTRAP - } + obj{cli}: cxx.poptions += -DCLI_BOOTSTRAP } +} - <{hxx ixx cxx}{options}>: cli{options} bootstrap/cli/exe{cli} - { - options = --include-with-brackets --include-prefix cli \ - --guard-prefix CLI --generate-file-scanner \ - --generate-specifier --generate-modifier \ - --suppress-undocumented --reserved-name stdout - - # Symlink the generated code in src for convenience of development. - # - backlink = true - } - {{ - diag cli ($<[0]) - ($<[1]) $options -o $out_base $path($<[0]) +# 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} +{ + dist = ($develop ? pregenerated/cli/ : false) - # If the result differs from the bootstrap version, copy it over and - # request the build restart. - # - if diff $src_base/bootstrap/cli/options.hxx $path($>[0]) >- && \ - diff $src_base/bootstrap/cli/options.ixx $path($>[1]) >- && \ - diff $src_base/bootstrap/cli/options.cxx $path($>[2]) >- - exit - end - - cp $path($>[0]) $src_base/bootstrap/cli/options.hxx - cp $path($>[1]) $src_base/bootstrap/cli/options.ixx - cp $path($>[2]) $src_base/bootstrap/cli/options.cxx - - exit "bootstrap options.?xx have changed, restart the build" - }} + # Symlink the generated code in src for convenience of development. + # + backlink = true } -else -{ - # Use bootstrap options.?xx to build the final version of cli. +% +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. # - libue{cli}: bootstrap/cli/{hxx ixx cxx}{options} - cxx.poptions =+ "-I($src_base/bootstrap)" # Note: must come first. + 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 - ./: cli{options} # Keep in distribution. -} + 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 (final version only). # +## # Pass the copyright notice extracted from the LICENSE file. # |