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cmake: add compiler + remove compiler.version to reduce number of builds #1783

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merged 10 commits into from
Jul 2, 2020
Merged

cmake: add compiler + remove compiler.version to reduce number of builds #1783

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4a209d5
cmake: add compiler + remove compiler.version to reduce number of builds
madebr May 29, 2020
570f312
cmake: don't import Version
madebr May 30, 2020
213a27b
cmake: build cmake from the root directory
madebr May 30, 2020
92b1b37
cmake: add openssl to requires
madebr May 30, 2020
2931d4d
cmake: add openssl dependency optionally
madebr May 30, 2020
aaf55f8
cmake: patch cmakelists to include conanbuildinfo.cmake
madebr May 30, 2020
ecbb847
cmake: limit to Release build_type + only allow static non-debug MSVC…
madebr May 31, 2020
6af0f89
cmake: remove compiler and build_type from package_id
madebr Jun 2, 2020
e6074ae
cmake: remove `-lz` exe linker flag
madebr Jun 12, 2020
d8e61fc
cmake: allow all os/build_type/compiler
madebr Jun 15, 2020
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6 changes: 5 additions & 1 deletion recipes/cmake/3.x.x/conanfile.py
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Expand Up @@ -13,7 +13,7 @@ class CMakeConan(ConanFile):
license = "BSD-3-Clause"
exports_sources = ["CMakeLists.txt"]
generators = "cmake"
settings = "os", "arch", "build_type"
settings = "os", "arch", "compiler", "build_type"

_source_subfolder = "source_subfolder"
_cmake = None
Expand Down Expand Up @@ -54,6 +54,10 @@ def package(self):
cmake.install()
tools.rmdir(os.path.join(self.package_folder, "doc"))

def package_id(self):
# CMake is a executable-only package, so the compiler version does not matter
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It matters since a system might be missing the runtimes. It won't fix the related issue. CCI will build one MSVC package using the 2015 runtimes, but the target system is a 2017 so it won't be able to execute

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Building with 2015 is fine, it’ll work with the 2015 - 2019 runtimes.

https://docs.microsoft.com/en-us/cpp/porting/binary-compat-2015-2017?view=vs-2019

Removing the compiler ver may not be a best practice, because if CCI is upgraded to build with 2017+ and the system only had the 2015 runtime, that wouldn’t work.

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That's a very good point, however these recipes can be used to generate a package for 2013 locally, and the same scenario would cause trouble.

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To what runtime do the official cmake windows builds link?
The only problem I see with removing version in package_id, is the loss of reproduceability as the ci can build cmake using whatever version of msvc it pleases.

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Would it make sense to only allow static runtime? Or should we just build all variants of cmake and don't bother with limiting anything?

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https://gitlab.kitware.com/cmake/cmake/-/tree/master/.gitlab/ci looks like vs2019

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Looks like the official build uses the static runtime. This is the latest release:

image

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I'd prefer to build static runtime for CMake (and built tools in general), this will avoid a dependency on Visual Studio CRT redist, which is not necessarily available (especially, if I am using alternate compiler).

del self.info.settings.compiler.version

def package_info(self):
minor = self._minor_version()

Expand Down