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Compared to the previous commit, the action graphs for just
and its unit tests are unchanged.
- Git hash of action graph for ["",""]:
c6e75f17abd7ffaab6ff9bb725ad67ec0bf6c973
- Git hash of action graph for ["test/buildtool","TESTS"]:
8063dfb3dd7daa9ae01d95c177e14946f785c57e
Refactor:
- "local cflags" to "private-cflags"
- "local defines" to "private-defines"
- "link externals" to "private-ldflags"
- "deps" to "private-deps" for (test) binaries
- "proto" to "private-proto" for binaries
Improvements:
- consistent variable declaration order:
OS, ARCH, HOST_ARCH, TARGET_ARCH,
CC, CXX, CFLAGS, CXXFLAGS, ADD_CFLAGS, ADD_CXXFLAGS,
AR, ENV, PATH
- use fields close to their definition (in RULES)
- use common expression for binaries and test binaries
- split expression "flags" and "compiler"
... to separate ones for CC and CXX.
- rename "transition" to "deps-transition"
... to avoid conflicts with other transitions.
- support "defaults-transition" for CC expressions
Implement:
- "cflags" for libraries
- "private-cflags" for (test) binaries
- "private-defines" for test binaries
- "private-ldflags" for test binaries
- (public) "defines" for libraries
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... in the same way, as we support different names for cc and c++.
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... also in the first phases of the bootstrap procedure.
Co-authored-by: Oliver Reiche <oliver.reiche@huawei.com>
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When constructing the build configuration for the bootstrap
build is just, start with the value of the environment variable
JUST_BUILD_CONF, if set, instead of the empty object. While there,
also propagate SOURCE_DATE_EPOCH from the environment to the build
configuration.
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Only if the environment variable DEBUG is set, fall back to sequentially
executing the graph generated by the bootstrap version of just.
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Signed-off-by: Goetz Brasche <goetz.brasche@huawei.com>
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For quick development, it is convenient to only need a C++ compiler
and python3 and get all dependencies downloaded at the beginning
of the bootstrap process. For packaging the tool, however, this
is not a valid approach; dependencies should be managed by the
packing tool there (so that security updates have to be fixed only
at one place). So, for building our tool, the dependencies look
like installed to the ambient environment.
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Some libraries, e.g., libgit2, bring an include directory that is
expected to occur directly in the search path (containing a git2
directory and a git2.h file). Support this use case by allowing
"." as include_name in the bootstrap hints.
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As the default target is also staged canonically, there
is no longer the need for the bootstrap script to know
the path and staging output of the internal main target.
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This is the initial version of our tool that is able to
build itself. In can be bootstrapped by
./bin/bootstrap.py
Co-authored-by: Oliver Reiche <oliver.reiche@huawei.com>
Co-authored-by: Victor Moreno <victor.moreno1@huawei.com>
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