Otherwise if I put anything in additional_tools I get an error about
depset not being iterable.
This matches the for loop just above, which does the to_list conversion.
Co-authored-by: UebelAndre <andre.brisco@gmail.com>
The former has been deprecated and will break by
--incompatible_use_platforms_repo_for_constraints, as announced in
https://github.com/bazelbuild/bazel/issues/8622.
Fixes #354.
Co-authored-by: UebelAndre <andre.brisco@gmail.com>
This change allows rules_foreign_cc to work on architectures other
than x86_64.
Bug: bazelbuild/bazel#11628
Test: manual. no longer fails with "ln: illegal option -- t" on darwin_arm64
There's now a top level bzl_library @rules_foreign_cc//:bzl_srcs that contain the .bzl sources for the build rules defined in this repo.
Stardoc support was also added to ensure the bzl_library structure is correct and usable outside of the repo. In addition to this, new documentation can be generated by running bazel run //docs:generate_docs from the root of rules_foreign_cc/examples to output @rules_foreign_cc_tests//docs:README.md.
* Use `.format()` instead of `%` for constructing `make_commands`.
I'm about to add a third substitution parameter to these lines, and it's
already getting a bit crowded. This is a no-op change, but should make
the follow-up commits more readable.
* Add `make_toolchain` toolchain type.
Add a toolchain that implements it using the pre-installed system
`make`. Make use of this toolchain in the `make()` rule.
* Use the `make` toolchain in configure and cmake scripts as well.
This allows the registered `make` toolchain to be used not just in make,
but also in cmake and configure_make targets. As a result, one can
either ship their own `make`, built for the execution environment, or
use a custom `make`, e.g. one that calls `emmake make`.
To make this backwards compatible with `make_commands`, the substitution
will only replace the leading word `make` from any line in
`make_commands`. Thus, existing rules that specify a `make_commands`
attribute that refers to the binary simply as `make` should still work
with any toolchain implementation that provides the binary.
* Update `README.md`.
Describe the new toolchain type.
* Add `BootstrapMake` to bootstrap a `make` toolchain.
This allows the `make` toolchain to be used even without GNU Make being
pre-installed on the system.
* Add example Gnu Make boostrap target.
Test manually using:
```
$ cd examples
$ bazel build //build_make_itself:maketool
```
Fix shell function symlink_contents_to_dir, add test
- test for the case when we symlink the contents of two directories with the same inner directories (include)
- the test data of the test for shell script helper also changes, as it uses the real shell toolchain implementation text
- Fixes the issue from #330
Fix shell_script_helper.bzl to replace function calls inside function texts.
Add test for shell_script_helper.bzl.
In particular, this fixes the case when some of the shell toolchain functions calls other shell toolchain functions (symlink_contents_to_dir and symlink_to_dir).
Allow to specify working directory for cmake_external
For LLVM case, when main CMakeLists.txt is in the /llvm subdirectory in the source tree
Co-authored-by: Andy Yankovsky <weratt@gmail.com>
Rules_foreign_cc also currently is not using CcInfo.quote_includes.
Having them leads to symlinking directory trees without any reason.
Tests: we already have tests for transitive Bazel dependencies (//cmake_synthetic:test_bazel_transitive_deps, //cmake_with_bazel_transitive:test, //configure_with_bazel_transitive:test)
* Fix permission problem with replacing absolute path with sed, #306
- we can not modify files under Bazel's output directory
- so we can not modify pkg_config files, written there, for instance
- solution: only replace absolute paths in the files being created by the current target,
using the environment variable as the replacement value ($EXT_BUILD_DEPS)
* Wrap environment variable in ${} in replace string
Apparently, it is not the problem for build outputs, but deps directory that is created by script.
What is even more problematic is that this directory can be accessed while building this target in parallel for different configurations. So even if we clean it before using, we might break the build of the parallel target.
Solution: create temp directory to be used as deps directory.
(Additionally, this demonstrates the benefits of sandboxed execution.)
Be resilient with Bazel-built transitive dependencies duplicates
- it is possible that some duplicate libraries, built with Bazel, will be passed as inputs to cmake_external or configure_make. rules_foreign_cc should filter duplicates out rather then fail.
- add a test (which just builds the target) //cmake_synthetic:lib_with_duplicate_transitive_bazel_deps
Adapt rules_foreign_cc for working with libtool instead of ar.
- for CMake, pass "<TARGET>" as the output file when forming linker flags with cc_common. CMake will later replace <TARGET> with the actual output file. Fill CMAKE_C_CREATE_ARCHIVE and CMAKE_CXX_CREATE_ARCHIVE CMake variables with 'CMAKE_AR %Bazel-link-flags% <OBJECTS>' call, where CMAKE_AR will take the path to libtool.
Related documentation: https://cmake.org/cmake/help/v3.15/variable/CMAKE_LANG_ARCHIVE_CREATE.html?highlight=cmake_%20lang%20_archive_create
- for configure_make, for the libevent example, we need to skip specifying the libtool from Bazel's toolchain as a linker, because libevent script uses it's own libtool and manages to pass the output file to it, but not to the libtool we are passing. Let it do so as it is a customized script.
Do it with specifying empty string for the $AR environment variable.
Other examples with configure_make work fine.
This fixes https://github.com/bazelbuild/bazel/issues/9258
* Fix a way of wiping CMake cache entry values defined by toolchain from a command line, in case user specified empty values for these cache entries explicitly in cmake_external target
- it was a problem that we did not check that there was some value in the "toolchain" dict before we pop() - reported in comment in #292
- make code which does wiping empty values more explicit
* Additionally, if non-empty value for CMAKE_RANLIB was not specified by user or Bazel toolchain, put empty value for it to forbid CMake to auto detect it
context: https://github.com/bazelbuild/rules_foreign_cc/issues/252
* Add test for user's redefined value for CMAKE_BUILD_TYPE
* Implement support for "pure" GNU Make in make.bzl
Usage: load("@rules_foreign_cc//tools/build_defs:make.bzl", "make")
make(name = <name>, lib_source = <source>), please see more arguments
in make.bzl
Add test in examples/simple_make (runs only on Linux because of Makefile contents)
* Fix replace_in_files function in windows_commands.bzl
Filter files by types, where the absolute paths need to be replaced.
* Add one more hello world example
* Include test into windows list, remove from Mac OS list
* fix(cmake): Use "Debug" and "Release" instead of "DEBUG" and "RELEASE"
These values are case-sensitive in cmake and give this error currently:
```
CMake Error at CMakeLists.txt:23 (message):
CMAKE_BUILD_TYPE must be one of: Debug, Release (current value: 'RELEASE')
```
* update test data
Fix the code to work with Bazel HEAD:
- convert depset to list for iteration (libraries to link)
- _build_tools() are just creating the file, not contributing anything to the text of constructed BUILD file, so make a call to this method separately.
This PR adds @bazel_version repository which contains single def.bzl
file which contains a BAZEL_VERSION constant that can be used to perform
conditional logic bazed on the Bazel version.
As a result, rules_foreing_cc are now compatible with Bazel 0.24 - 0.27
(at least regarding configure_features :)
For cmake_external and configure_make, do not prepend relative install prefix path with "./", as it is recognized as relative and gets appended to the current build directory anyway, forming the path /tmp/something/./install_prefix - which does not make much sense.
Fix #232 - enable usage of Bazel-built libraries as dependencies of cmake_external and configure_make.
- fix logic of reading library data described by C/C++ Bazel interface (as CcInfo.linking_context appeared)
- symlink transitive include directories under $EXT_BUILD_DEPS
- gather all possible transitive include directories to pass to CMake, pass transitive include directories to CMAKE_PREFIX_PATH so that the transitive include directories were scanned by CMake
- fix logic of passing transitive libraries into CPPFLAGS (configure_make)
- add test with the chain: Bazel lib -> CMake lib -> Bazel cc_test
- add synthetic configure-make test with the chain: Bazel lib -> configure_make lib -> Bazel cc_test
- also notice, that passed include directories from Bazel C/C++ Sandwich interface are not always existing; for now, make symlinking code resistant to that
see https://www.gnu.org/software/autoconf/manual/autoconf-2.63/html_node/Preset-Output-Variables.html
