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Add a stdenv adapter ‘keepDebugInfo’ to make a debug build 

This adapter causes the resulting binaries to have debug info and no
optimisations.  Example use (in all-packages.nix):

  foo = callPackage ./foo.nix {
    stdenv = keepDebugInfo stdenv;
  };
This commit is contained in:
Eelco Dolstra 2012-10-31 13:41:54 +01:00
parent 0dd3996ab4
commit ccd44e84c8
1 changed files with 27 additions and 15 deletions
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42
pkgs/stdenv/adapters.nix
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@ -3,8 +3,8 @@
compiler. */ compiler. */
{dietlibc, fetchurl, runCommand}: {dietlibc, fetchurl, runCommand}:
rec { rec {
@ -14,7 +14,7 @@ rec {
inherit gcc; inherit gcc;
}; };
# Add some arbitrary packages to buildInputs for specific packages. # Add some arbitrary packages to buildInputs for specific packages.
# Used to override packages in stdenv like Make. Should not be used # Used to override packages in stdenv like Make. Should not be used
# for other dependencies. # for other dependencies.
@ -65,7 +65,7 @@ rec {
isDietLibC = true; isDietLibC = true;
} // {inherit fetchurl;}; } // {inherit fetchurl;};
# Return a modified stdenv that uses klibc to create small # Return a modified stdenv that uses klibc to create small
# statically linked binaries. # statically linked binaries.
useKlibc = stdenv: klibc: stdenv // useKlibc = stdenv: klibc: stdenv //
@ -94,7 +94,7 @@ rec {
isStatic = true; isStatic = true;
} // {inherit fetchurl;}; } // {inherit fetchurl;};
# Return a modified stdenv that tries to build statically linked # Return a modified stdenv that tries to build statically linked
# binaries. # binaries.
makeStaticBinaries = stdenv: stdenv // makeStaticBinaries = stdenv: stdenv //
@ -108,7 +108,7 @@ rec {
isStatic = true; isStatic = true;
} // {inherit fetchurl;}; } // {inherit fetchurl;};
# Return a modified stdenv that builds static libraries instead of # Return a modified stdenv that builds static libraries instead of
# shared libraries. # shared libraries.
makeStaticLibraries = stdenv: stdenv // makeStaticLibraries = stdenv: stdenv //
@ -120,7 +120,7 @@ rec {
}); });
} // {inherit fetchurl;}; } // {inherit fetchurl;};
# Return a modified stdenv that adds a cross compiler to the # Return a modified stdenv that adds a cross compiler to the
# builds. # builds.
makeStdenvCross = stdenv: cross: binutilsCross: gccCross: stdenv // makeStdenvCross = stdenv: cross: binutilsCross: gccCross: stdenv //
@ -185,7 +185,7 @@ rec {
inherit cross gccCross binutilsCross; inherit cross gccCross binutilsCross;
}; };
/* Modify a stdenv so that the specified attributes are added to /* Modify a stdenv so that the specified attributes are added to
every derivation returned by its mkDerivation function. every derivation returned by its mkDerivation function.
@ -202,7 +202,7 @@ rec {
/* Return a modified stdenv that performs the build under $out/.build /* Return a modified stdenv that performs the build under $out/.build
instead of in $TMPDIR. Thus, the sources are kept available. instead of in $TMPDIR. Thus, the sources are kept available.
This is useful for things like debugging or generation of This is useful for things like debugging or generation of
dynamic analysis reports. */ dynamic analysis reports. */
keepBuildTree = stdenv: keepBuildTree = stdenv:
addAttrsToDerivation addAttrsToDerivation
{ prePhases = "moveBuildDir"; { prePhases = "moveBuildDir";
@ -230,12 +230,12 @@ rec {
\( -name "*.c" -o -name "*.h" -o -name "*.gcno" \) \ \( -name "*.c" -o -name "*.h" -o -name "*.gcno" \) \
| xargs rm -f -- | xargs rm -f --
for i in $(find $out/.build/ -name ".tmp_*.gcno"); do for i in $(find $out/.build/ -name ".tmp_*.gcno"); do
mv "$i" "$(echo $i | sed s/.tmp_//)" mv "$i" "$(echo $i | sed s/.tmp_//)"
done done
''; '';
} stdenv; } stdenv;
/* Return a modified stdenv that builds packages with GCC's coverage /* Return a modified stdenv that builds packages with GCC's coverage
instrumentation. The coverage note files (*.gcno) are stored in instrumentation. The coverage note files (*.gcno) are stored in
@ -258,7 +258,7 @@ rec {
export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -O0 --coverage" export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -O0 --coverage"
''; '';
} }
# Object files instrumented with coverage analysis write # Object files instrumented with coverage analysis write
# runtime coverage data to <path>/<object>.gcda, where <path> # runtime coverage data to <path>/<object>.gcda, where <path>
# is the location where gcc originally created the object # is the location where gcc originally created the object
@ -269,7 +269,7 @@ rec {
# we need the source code. So we have to use the # we need the source code. So we have to use the
# `keepBuildTree' adapter as well. # `keepBuildTree' adapter as well.
(cleanupBuildTree (keepBuildTree stdenv)); (cleanupBuildTree (keepBuildTree stdenv));
/* Replace the meta.maintainers field of a derivation. This is useful /* Replace the meta.maintainers field of a derivation. This is useful
when you want to fork to update some packages without disturbing other when you want to fork to update some packages without disturbing other
@ -311,7 +311,7 @@ rec {
}; };
}; };
/* Abort if the license predicate is not verified for a derivation /* Abort if the license predicate is not verified for a derivation
declared with mkDerivation. declared with mkDerivation.
@ -355,4 +355,16 @@ rec {
drvPath = validate pkg.drvPath; drvPath = validate pkg.drvPath;
}; };
}; };
/* Modify a stdenv so that it produces debug builds; that is,
binaries have debug info, and compiler optimisations are
disabled. */
keepDebugInfo = stdenv: stdenv //
{ mkDerivation = args: stdenv.mkDerivation (args // {
dontStrip = true;
NIX_CFLAGS_COMPILE = toString (args.NIX_CFLAGS_COMPILE or "") + " -g -O0";
});
};
} }