57 lines
2.6 KiB
XML
57 lines
2.6 KiB
XML
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<?xml version="1.0" ?>
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<gprconfig>
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<!-- This differs from the default GNAT compiler description
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in the following ways:
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* gnatmake is used over gnatls to detect the GNAT version
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since the latter is not part of the wrapper.
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* to find the runtime libraries, we rely on the symlink
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../nix-support/gprconfig-gnat-unwrapped which is a
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gprconfig-specific addition to the cc-wrapper we employ
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for Ada compilers (which is only GNAT at the moment).
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For documentation on this file format and its use refer to
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https://docs.adacore.com/gprbuild-docs/html/gprbuild_ug/companion_tools.html#the-gprconfig-knowledge-base
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-->
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<compiler_description>
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<!-- We would like to name this something different, so users
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of gprconfig know this is something custom, nixpkgs-related,
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but unfortunately the knowledge base depends on the name of
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the compiler for e. g. linker settings.
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-->
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<name>GNAT</name>
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<executable prefix="1">(.*-.*-.*)?gnatmake</executable>
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<version>
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<external>${PREFIX}gnatmake -v</external>
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<grep regexp="^GNATMAKE.+?(\d+(\.\d+)?)" group="1"></grep>
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</version>
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<languages>Ada</languages>
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<variable name="gcc_version">
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<external>${PREFIX}gcc -v</external>
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<grep regexp="^[-\w]*gcc \S+ (\S+)" group="1"></grep>
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</variable>
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<!-- The ada runtime libraries and objects are only part of the unwrapped
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GNAT derivation. We can't symlink them into the wrapper derivation
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(at least not the canonical location) since that screws with linking
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against libraries distributed with gcc.
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As a workaround, we create a symlink to the unwrapped GNAT's "out"
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output in the cc-wrapper which we can read into a variable here and
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use to find GNAT's Ada runtime.
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-->
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<variable name="gnat_unwrapped">
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<external>readlink -n ${PATH}/../nix-support/gprconfig-gnat-unwrapped</external>
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</variable>
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<runtimes default="default,kernel,native">
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<directory group="default" >$gnat_unwrapped/lib/gcc(-lib)?/$TARGET/$gcc_version/adalib/</directory>
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<directory group="default" contents="^rts-">$gnat_unwrapped/lib/gcc(-lib)?/$TARGET/$gcc_version/ada_object_path</directory>
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<directory group="2" >$gnat_unwrapped/lib/gcc(-lib)?/$TARGET/$gcc_version/rts-(.*)/adalib/</directory>
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<directory group="1" >$gnat_unwrapped/$TARGET/lib/gnat/(.*)/adalib/</directory>
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</runtimes>
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<target>
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<external>${PREFIX}gcc -dumpmachine</external>
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<grep regexp="[^\r\n]+"></grep>
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</target>
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</compiler_description>
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</gprconfig>
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