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infer_clone/infer/tests/build_systems/infertop/Makefile

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[copyright] Remove years Reviewed By: jvillard Differential Revision: D15771884 fbshipit-source-id: e2997e3a3
6 years ago
# Copyright (c) Facebook, Inc. and its affiliates.
[make] s/ocamlbuild/jbuilder/g Summary: Use jbuilder to build infer instead of ocamlbuild. This is mainly to get faster builds: ``` times in 10ms, ±differences measured in speedups, 4 cores | | ocb total | jb | ±total | ocb user | jb | ±user | ocb cpu | jb | ±cpu | ocb sys | jb | ±sys | |-----------------------------------+-----------+------+--------+----------+------+-------+---------+-----+------+---------+------+------| | byte from scratch | 6428 | 2456 | 2.62 | 7743 | 6662 | 1.16 | 138 | 331 | 2.40 | 1184 | 1477 | 0.80 | | native from scratch | 9841 | 4289 | 2.29 | 9530 | 8834 | 1.08 | 110 | 245 | 2.23 | 1373 | 1712 | 0.80 | | byte after native | 29578 | 1602 | 18.46 | 4514 | 4640 | 0.97 | 170 | 325 | 1.91 | 543 | 576 | 0.94 | | change infer.ml byte | 344 | 282 | 1.22 | 292 | 215 | 1.36 | 96 | 99 | 1.03 | 040 | 066 | 0.61 | | change infer.ml native | 837 | 223 | 3.75 | 789 | 174 | 4.53 | 98 | 99 | 1.01 | 036 | 47 | 0.77 | | change Config.ml byte | 451 | 339 | 1.33 | 382 | 336 | 1.14 | 97 | 122 | 1.26 | 056 | 80 | 0.70 | | change Config.ml native | 4024 | 1760 | 2.29 | 4585 | 4225 | 1.09 | 127 | 276 | 2.17 | 559 | 644 | 0.87 | | change cFrontend_config.ml byte | 348 | 643 | 0.54 | 297 | 330 | 0.90 | 96 | 67 | 0.70 | 038 | 102 | 0.37 | | change cFrontend_config.ml native | 1480 | 584 | 2.53 | 1435 | 906 | 1.58 | 106 | 185 | 1.75 | 136 | 178 | 0.76 | #+TBLFM: $4=$2/$3;f2::$7=$5/$6;f2::$10=$9/$8;f2::$13=$11/$12;f2 50 cores | | ocb total | jb | ±total | ocb user | jb | ±user | ocb cpu | jb | ±cpu | ocb sys | jb | ±sys | |---------------------+-----------+------+--------+----------+------+-------+---------+----+------+---------+------+------| | byte from scratch | 9114 | 2061 | 4.42 | 9334 | 5133 | 1.82 | | | 0/0 | 2566 | 1726 | 1.49 | | native from scratch | 13481 | 3967 | 3.40 | 12291 | 7608 | 1.62 | | | 0/0 | 3003 | 2100 | 1.43 | | byte after native | 3467 | 1476 | 2.35 | 5067 | 3912 | 1.30 | | | 0/0 | 971 | 801 | 1.21 | #+TBLFM: $4=$2/$3;f2::$7=$5/$6;f2::$10=$9/$8;f2::$13=$11/$12;f2 ``` Menu: 1. Write a jbuild file, autogenerated from jbuild.in because we need to fill in some information at build-time (really, at configure time, but TODO), such as whether or not clang is enabled. 2. Nuke lots of stuff from infer/src/Makefile that is now in the jbuild file 3. The jbuild file lives in infer/src/ so it can see all the sources. If we put it somewhere else, eg, infer/, then `jbuilder` scans too many files (all irrelevant) and takes 2.5s to start instead of .8s. Adding irrelevant directories to jbuild-ignore does not help. 4. jbuilder does not support subdirectories, so resort to listing all the source files in the generated jbuild (only source directories need to be manually listed in jbuild.in though). Still, the generated .merlin is wrong and makes merlin find source files in _build, so manually tune it to get good merlin support. We also lose some of merlin for unit tests as it cannot see their build artefacts anymore. 5. checkCopyright gets its own jbuild because it's standalone. Also, remove some deprecation warnings in checkCopyright due to the new version of Core from a while ago. 6. Drop less-used Makefile features (they had regressed anyway) such as building individual modules. Also, building mod_dep.pdf now takes all the source files available so they better build (before, it would only take the source files from the config, eg with or without clang) (that's pretty minor). 7. The toplevel is now built as a custom toplevel because that was easier. It should soon be even easier: https://github.com/janestreet/jbuilder/issues/210 8. Move BUILTINS.mli to BUILTINS.ml because jbuilder is not happy about interface files without implementations. In particular, I did not try to migrate too much of the Makefile logic to jbuilder, more can be done in the future. Reviewed By: jberdine Differential Revision: D5573661 fbshipit-source-id: 4ca6d8f
7 years ago
#
Change license to MIT Summary: Change the license of the source code from BSD + PATENTS to MIT. Change `checkCopyright` to reflect the new license and learn some new file types. Generated with: ``` git grep BSD | xargs -n 1 ./scripts/checkCopyright -i ``` Reviewed By: jeremydubreil, mbouaziz, jberdine Differential Revision: D8071249 fbshipit-source-id: 97ca23a
7 years ago
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
[make] s/ocamlbuild/jbuilder/g Summary: Use jbuilder to build infer instead of ocamlbuild. This is mainly to get faster builds: ``` times in 10ms, ±differences measured in speedups, 4 cores | | ocb total | jb | ±total | ocb user | jb | ±user | ocb cpu | jb | ±cpu | ocb sys | jb | ±sys | |-----------------------------------+-----------+------+--------+----------+------+-------+---------+-----+------+---------+------+------| | byte from scratch | 6428 | 2456 | 2.62 | 7743 | 6662 | 1.16 | 138 | 331 | 2.40 | 1184 | 1477 | 0.80 | | native from scratch | 9841 | 4289 | 2.29 | 9530 | 8834 | 1.08 | 110 | 245 | 2.23 | 1373 | 1712 | 0.80 | | byte after native | 29578 | 1602 | 18.46 | 4514 | 4640 | 0.97 | 170 | 325 | 1.91 | 543 | 576 | 0.94 | | change infer.ml byte | 344 | 282 | 1.22 | 292 | 215 | 1.36 | 96 | 99 | 1.03 | 040 | 066 | 0.61 | | change infer.ml native | 837 | 223 | 3.75 | 789 | 174 | 4.53 | 98 | 99 | 1.01 | 036 | 47 | 0.77 | | change Config.ml byte | 451 | 339 | 1.33 | 382 | 336 | 1.14 | 97 | 122 | 1.26 | 056 | 80 | 0.70 | | change Config.ml native | 4024 | 1760 | 2.29 | 4585 | 4225 | 1.09 | 127 | 276 | 2.17 | 559 | 644 | 0.87 | | change cFrontend_config.ml byte | 348 | 643 | 0.54 | 297 | 330 | 0.90 | 96 | 67 | 0.70 | 038 | 102 | 0.37 | | change cFrontend_config.ml native | 1480 | 584 | 2.53 | 1435 | 906 | 1.58 | 106 | 185 | 1.75 | 136 | 178 | 0.76 | #+TBLFM: $4=$2/$3;f2::$7=$5/$6;f2::$10=$9/$8;f2::$13=$11/$12;f2 50 cores | | ocb total | jb | ±total | ocb user | jb | ±user | ocb cpu | jb | ±cpu | ocb sys | jb | ±sys | |---------------------+-----------+------+--------+----------+------+-------+---------+----+------+---------+------+------| | byte from scratch | 9114 | 2061 | 4.42 | 9334 | 5133 | 1.82 | | | 0/0 | 2566 | 1726 | 1.49 | | native from scratch | 13481 | 3967 | 3.40 | 12291 | 7608 | 1.62 | | | 0/0 | 3003 | 2100 | 1.43 | | byte after native | 3467 | 1476 | 2.35 | 5067 | 3912 | 1.30 | | | 0/0 | 971 | 801 | 1.21 | #+TBLFM: $4=$2/$3;f2::$7=$5/$6;f2::$10=$9/$8;f2::$13=$11/$12;f2 ``` Menu: 1. Write a jbuild file, autogenerated from jbuild.in because we need to fill in some information at build-time (really, at configure time, but TODO), such as whether or not clang is enabled. 2. Nuke lots of stuff from infer/src/Makefile that is now in the jbuild file 3. The jbuild file lives in infer/src/ so it can see all the sources. If we put it somewhere else, eg, infer/, then `jbuilder` scans too many files (all irrelevant) and takes 2.5s to start instead of .8s. Adding irrelevant directories to jbuild-ignore does not help. 4. jbuilder does not support subdirectories, so resort to listing all the source files in the generated jbuild (only source directories need to be manually listed in jbuild.in though). Still, the generated .merlin is wrong and makes merlin find source files in _build, so manually tune it to get good merlin support. We also lose some of merlin for unit tests as it cannot see their build artefacts anymore. 5. checkCopyright gets its own jbuild because it's standalone. Also, remove some deprecation warnings in checkCopyright due to the new version of Core from a while ago. 6. Drop less-used Makefile features (they had regressed anyway) such as building individual modules. Also, building mod_dep.pdf now takes all the source files available so they better build (before, it would only take the source files from the config, eg with or without clang) (that's pretty minor). 7. The toplevel is now built as a custom toplevel because that was easier. It should soon be even easier: https://github.com/janestreet/jbuilder/issues/210 8. Move BUILTINS.mli to BUILTINS.ml because jbuilder is not happy about interface files without implementations. In particular, I did not try to migrate too much of the Makefile logic to jbuilder, more can be done in the future. Reviewed By: jberdine Differential Revision: D5573661 fbshipit-source-id: 4ca6d8f
7 years ago
TESTS_DIR = ../..
ROOT_DIR = $(TESTS_DIR)/../..
include $(TESTS_DIR)/base.make
[RFC][build] Use dune environments and profiles instead of contexts Summary: With profiles and `(env ...)` stanza it's possible to consolidate various ocamlc/ocamlopt/etc setups in a single place. Where previously we needed to append `dune.common` to every dune file and specify `flags` and `ocamlopt_flags` now the flags are specified in `env` and applied accross the board. This allows to 1. simplify build definitions, 2. avoid the need to generate dune files, 3. use plain sexps instead of OCaml and JBuilder plugin in build files. (I'll try to address 2 and 3 in the followup patches). Existing `make` targets should continue working as before. Also, we can use dune CLI like so: ``` infer/src$ dune printenv --profile opt # <- very useful for introspection infer/src$ dune build check infer/src$ dune build check --profile test infer/src$ dune build infer.exe --profile dev infer/src$ dune build infer.exe --profile opt ``` Also, with just 1 context something like `dune runtest` will run unit tests only once instead of N times, where N is the number of contexts. Now, there's one difference compared to the previous setup with contexts: - Previously, each context had its own build folder, and building infer in opt context didn't invalidate any of the build artifacts in default context. Therefore, alternating between `make` and `make opt` had low overhead at the expense of having N copies of all build artifacts (1 for every context). - Now, there's just 1 build folder and switching between profiles does invalidate some artifacts (but not all) and rebuild takes a bit more time. So, if you're alternating like crazy between profiles your experience may get worse (but not necessarily, more on that below). If you want to trigger an opt build occasionally, you shouldn't notice much difference. For those who are concerned about slower build times when alternating between different build profiles, there's a solution: [dune cache](https://dune.readthedocs.io/en/stable/caching.html). You can enable it by creating a file `~/.config/dune/config` with the following contents: ``` (lang dune 2.0) (cache enabled) ``` With cache enabled switching between different build profiles (but also branches and commits) has ~0 overhead. Dune cache works fine on Linux, but unfortunately there are [certain problems with MacOS](https://github.com/ocaml/dune/issues/3233) (hopefully, those will be fixed soon and then there will be no downsides to using profiles compared to contexts for our case). Reviewed By: jvillard Differential Revision: D20247864 fbshipit-source-id: 5f8afa0db
5 years ago
toplevel.exp.test: $(BUILD_DIR)/default/infertop.bc $(SCRIPT_DIR)/infer_repl \
[jbuilder] turn I{Std,List} and atd-generated files into libraries Summary: This simplifies the jbuild files: no need to list these files explicitly anymore, nor to exclude them explicitly from the main `InferModules` library (due to their different compilation flags). Isolate common parts into jbuild.common do `cat`-based code inclusion into jbuild files to factorize code. Reviewed By: jberdine Differential Revision: D5678328 fbshipit-source-id: 6d7d925
7 years ago
$(SCRIPT_DIR)/toplevel_init $(INFER_DIR)/tests/repl/infer_batch_script.mltop
[make] s/ocamlbuild/jbuilder/g Summary: Use jbuilder to build infer instead of ocamlbuild. This is mainly to get faster builds: ``` times in 10ms, ±differences measured in speedups, 4 cores | | ocb total | jb | ±total | ocb user | jb | ±user | ocb cpu | jb | ±cpu | ocb sys | jb | ±sys | |-----------------------------------+-----------+------+--------+----------+------+-------+---------+-----+------+---------+------+------| | byte from scratch | 6428 | 2456 | 2.62 | 7743 | 6662 | 1.16 | 138 | 331 | 2.40 | 1184 | 1477 | 0.80 | | native from scratch | 9841 | 4289 | 2.29 | 9530 | 8834 | 1.08 | 110 | 245 | 2.23 | 1373 | 1712 | 0.80 | | byte after native | 29578 | 1602 | 18.46 | 4514 | 4640 | 0.97 | 170 | 325 | 1.91 | 543 | 576 | 0.94 | | change infer.ml byte | 344 | 282 | 1.22 | 292 | 215 | 1.36 | 96 | 99 | 1.03 | 040 | 066 | 0.61 | | change infer.ml native | 837 | 223 | 3.75 | 789 | 174 | 4.53 | 98 | 99 | 1.01 | 036 | 47 | 0.77 | | change Config.ml byte | 451 | 339 | 1.33 | 382 | 336 | 1.14 | 97 | 122 | 1.26 | 056 | 80 | 0.70 | | change Config.ml native | 4024 | 1760 | 2.29 | 4585 | 4225 | 1.09 | 127 | 276 | 2.17 | 559 | 644 | 0.87 | | change cFrontend_config.ml byte | 348 | 643 | 0.54 | 297 | 330 | 0.90 | 96 | 67 | 0.70 | 038 | 102 | 0.37 | | change cFrontend_config.ml native | 1480 | 584 | 2.53 | 1435 | 906 | 1.58 | 106 | 185 | 1.75 | 136 | 178 | 0.76 | #+TBLFM: $4=$2/$3;f2::$7=$5/$6;f2::$10=$9/$8;f2::$13=$11/$12;f2 50 cores | | ocb total | jb | ±total | ocb user | jb | ±user | ocb cpu | jb | ±cpu | ocb sys | jb | ±sys | |---------------------+-----------+------+--------+----------+------+-------+---------+----+------+---------+------+------| | byte from scratch | 9114 | 2061 | 4.42 | 9334 | 5133 | 1.82 | | | 0/0 | 2566 | 1726 | 1.49 | | native from scratch | 13481 | 3967 | 3.40 | 12291 | 7608 | 1.62 | | | 0/0 | 3003 | 2100 | 1.43 | | byte after native | 3467 | 1476 | 2.35 | 5067 | 3912 | 1.30 | | | 0/0 | 971 | 801 | 1.21 | #+TBLFM: $4=$2/$3;f2::$7=$5/$6;f2::$10=$9/$8;f2::$13=$11/$12;f2 ``` Menu: 1. Write a jbuild file, autogenerated from jbuild.in because we need to fill in some information at build-time (really, at configure time, but TODO), such as whether or not clang is enabled. 2. Nuke lots of stuff from infer/src/Makefile that is now in the jbuild file 3. The jbuild file lives in infer/src/ so it can see all the sources. If we put it somewhere else, eg, infer/, then `jbuilder` scans too many files (all irrelevant) and takes 2.5s to start instead of .8s. Adding irrelevant directories to jbuild-ignore does not help. 4. jbuilder does not support subdirectories, so resort to listing all the source files in the generated jbuild (only source directories need to be manually listed in jbuild.in though). Still, the generated .merlin is wrong and makes merlin find source files in _build, so manually tune it to get good merlin support. We also lose some of merlin for unit tests as it cannot see their build artefacts anymore. 5. checkCopyright gets its own jbuild because it's standalone. Also, remove some deprecation warnings in checkCopyright due to the new version of Core from a while ago. 6. Drop less-used Makefile features (they had regressed anyway) such as building individual modules. Also, building mod_dep.pdf now takes all the source files available so they better build (before, it would only take the source files from the config, eg with or without clang) (that's pretty minor). 7. The toplevel is now built as a custom toplevel because that was easier. It should soon be even easier: https://github.com/janestreet/jbuilder/issues/210 8. Move BUILTINS.mli to BUILTINS.ml because jbuilder is not happy about interface files without implementations. In particular, I did not try to migrate too much of the Makefile logic to jbuilder, more can be done in the future. Reviewed By: jberdine Differential Revision: D5573661 fbshipit-source-id: 4ca6d8f
7 years ago
$(QUIET)$(call silent_on_success,Testing infer OCaml REPL,\
[RFC][build] Use dune environments and profiles instead of contexts Summary: With profiles and `(env ...)` stanza it's possible to consolidate various ocamlc/ocamlopt/etc setups in a single place. Where previously we needed to append `dune.common` to every dune file and specify `flags` and `ocamlopt_flags` now the flags are specified in `env` and applied accross the board. This allows to 1. simplify build definitions, 2. avoid the need to generate dune files, 3. use plain sexps instead of OCaml and JBuilder plugin in build files. (I'll try to address 2 and 3 in the followup patches). Existing `make` targets should continue working as before. Also, we can use dune CLI like so: ``` infer/src$ dune printenv --profile opt # <- very useful for introspection infer/src$ dune build check infer/src$ dune build check --profile test infer/src$ dune build infer.exe --profile dev infer/src$ dune build infer.exe --profile opt ``` Also, with just 1 context something like `dune runtest` will run unit tests only once instead of N times, where N is the number of contexts. Now, there's one difference compared to the previous setup with contexts: - Previously, each context had its own build folder, and building infer in opt context didn't invalidate any of the build artifacts in default context. Therefore, alternating between `make` and `make opt` had low overhead at the expense of having N copies of all build artifacts (1 for every context). - Now, there's just 1 build folder and switching between profiles does invalidate some artifacts (but not all) and rebuild takes a bit more time. So, if you're alternating like crazy between profiles your experience may get worse (but not necessarily, more on that below). If you want to trigger an opt build occasionally, you shouldn't notice much difference. For those who are concerned about slower build times when alternating between different build profiles, there's a solution: [dune cache](https://dune.readthedocs.io/en/stable/caching.html). You can enable it by creating a file `~/.config/dune/config` with the following contents: ``` (lang dune 2.0) (cache enabled) ``` With cache enabled switching between different build profiles (but also branches and commits) has ~0 overhead. Dune cache works fine on Linux, but unfortunately there are [certain problems with MacOS](https://github.com/ocaml/dune/issues/3233) (hopefully, those will be fixed soon and then there will be no downsides to using profiles compared to contexts for our case). Reviewed By: jvillard Differential Revision: D20247864 fbshipit-source-id: 5f8afa0db
5 years ago
BUILD_DIR=$(BUILD_DIR)/default \
[infer][PR] Move to base64.3.0.0 Summary: Move codebase to `base64.3.0.0` which is more safe (see [CHANGELOG](https://github.com/mirage/ocaml-base64/releases/tag/v3.0.0). Pull Request resolved: https://github.com/facebook/infer/pull/1056 Reviewed By: mbouaziz Differential Revision: D13986683 Pulled By: jvillard fbshipit-source-id: a89b8cf89
6 years ago
$(SCRIPT_DIR)/infer_repl $(INFER_DIR)/tests/repl/infer_batch_script.mltop | \
sed -e 's#^The files .*/extLib.cma$$#The files [...]/extLib.cma#' \
-e 's#^and .*/infertop.bc$$#and [...]/infertop.bc#' \
> $@)
[make] s/ocamlbuild/jbuilder/g Summary: Use jbuilder to build infer instead of ocamlbuild. This is mainly to get faster builds: ``` times in 10ms, ±differences measured in speedups, 4 cores | | ocb total | jb | ±total | ocb user | jb | ±user | ocb cpu | jb | ±cpu | ocb sys | jb | ±sys | |-----------------------------------+-----------+------+--------+----------+------+-------+---------+-----+------+---------+------+------| | byte from scratch | 6428 | 2456 | 2.62 | 7743 | 6662 | 1.16 | 138 | 331 | 2.40 | 1184 | 1477 | 0.80 | | native from scratch | 9841 | 4289 | 2.29 | 9530 | 8834 | 1.08 | 110 | 245 | 2.23 | 1373 | 1712 | 0.80 | | byte after native | 29578 | 1602 | 18.46 | 4514 | 4640 | 0.97 | 170 | 325 | 1.91 | 543 | 576 | 0.94 | | change infer.ml byte | 344 | 282 | 1.22 | 292 | 215 | 1.36 | 96 | 99 | 1.03 | 040 | 066 | 0.61 | | change infer.ml native | 837 | 223 | 3.75 | 789 | 174 | 4.53 | 98 | 99 | 1.01 | 036 | 47 | 0.77 | | change Config.ml byte | 451 | 339 | 1.33 | 382 | 336 | 1.14 | 97 | 122 | 1.26 | 056 | 80 | 0.70 | | change Config.ml native | 4024 | 1760 | 2.29 | 4585 | 4225 | 1.09 | 127 | 276 | 2.17 | 559 | 644 | 0.87 | | change cFrontend_config.ml byte | 348 | 643 | 0.54 | 297 | 330 | 0.90 | 96 | 67 | 0.70 | 038 | 102 | 0.37 | | change cFrontend_config.ml native | 1480 | 584 | 2.53 | 1435 | 906 | 1.58 | 106 | 185 | 1.75 | 136 | 178 | 0.76 | #+TBLFM: $4=$2/$3;f2::$7=$5/$6;f2::$10=$9/$8;f2::$13=$11/$12;f2 50 cores | | ocb total | jb | ±total | ocb user | jb | ±user | ocb cpu | jb | ±cpu | ocb sys | jb | ±sys | |---------------------+-----------+------+--------+----------+------+-------+---------+----+------+---------+------+------| | byte from scratch | 9114 | 2061 | 4.42 | 9334 | 5133 | 1.82 | | | 0/0 | 2566 | 1726 | 1.49 | | native from scratch | 13481 | 3967 | 3.40 | 12291 | 7608 | 1.62 | | | 0/0 | 3003 | 2100 | 1.43 | | byte after native | 3467 | 1476 | 2.35 | 5067 | 3912 | 1.30 | | | 0/0 | 971 | 801 | 1.21 | #+TBLFM: $4=$2/$3;f2::$7=$5/$6;f2::$10=$9/$8;f2::$13=$11/$12;f2 ``` Menu: 1. Write a jbuild file, autogenerated from jbuild.in because we need to fill in some information at build-time (really, at configure time, but TODO), such as whether or not clang is enabled. 2. Nuke lots of stuff from infer/src/Makefile that is now in the jbuild file 3. The jbuild file lives in infer/src/ so it can see all the sources. If we put it somewhere else, eg, infer/, then `jbuilder` scans too many files (all irrelevant) and takes 2.5s to start instead of .8s. Adding irrelevant directories to jbuild-ignore does not help. 4. jbuilder does not support subdirectories, so resort to listing all the source files in the generated jbuild (only source directories need to be manually listed in jbuild.in though). Still, the generated .merlin is wrong and makes merlin find source files in _build, so manually tune it to get good merlin support. We also lose some of merlin for unit tests as it cannot see their build artefacts anymore. 5. checkCopyright gets its own jbuild because it's standalone. Also, remove some deprecation warnings in checkCopyright due to the new version of Core from a while ago. 6. Drop less-used Makefile features (they had regressed anyway) such as building individual modules. Also, building mod_dep.pdf now takes all the source files available so they better build (before, it would only take the source files from the config, eg with or without clang) (that's pretty minor). 7. The toplevel is now built as a custom toplevel because that was easier. It should soon be even easier: https://github.com/janestreet/jbuilder/issues/210 8. Move BUILTINS.mli to BUILTINS.ml because jbuilder is not happy about interface files without implementations. In particular, I did not try to migrate too much of the Makefile logic to jbuilder, more can be done in the future. Reviewed By: jberdine Differential Revision: D5573661 fbshipit-source-id: 4ca6d8f
7 years ago
.PHONY: print
print: toplevel.exp.test
.PHONY: test
test: toplevel.exp.test
$(QUIET)diff -u toplevel.exp $<
.PHONY: replace
replace: toplevel.exp.test
$(QUIET)$(COPY) $< toplevel.exp
.PHONY: clean
clean:
$(QUIET)$(REMOVE) toplevel.exp.test