Merge pull request #142799 from Ma27/glibc-mtrace

mtrace: init at 2.33-50

pkgs/development/libraries/glibc/common.nix

@@ -198,7 +198,7 @@ stdenv.mkDerivation ({
   BASH_SHELL = "/bin/sh";
 
   # Used by libgcc, elf-header, and others to determine ABI
-  passthru = { inherit version; };
+  passthru = { inherit version; minorRelease = version; };
 }
 
 // (removeAttrs args [ "withLinuxHeaders" "withGd" ]) //

pkgs/development/libraries/glibc/mtrace.nix

@@ -0,0 +1,38 @@
+{ glibc, perl }:
+
+# Small wrapper which only exposes `mtrace(3)` from `glibc`. This can't be placed
+# into `glibc` itself because it depends on Perl which would mean that the final
+# `glibc` inside a stdenv bootstrap has a dependency `glibc -> perl -> bootstrap tools`,
+# so this is now in its own package that isn't used for bootstrapping.
+#
+# `glibc` needs to be overridden here because it's still needed to `./configure` the source in order
+# to have a build environment where we can call the needed make target.
+
+glibc.overrideAttrs ({ meta ? {}, ... }: {
+  pname = "glibc-mtrace";
+
+  buildPhase = ''
+    runHook preBuild
+
+    mkdir malloc
+    make -C ../glibc-${glibc.minorRelease}/malloc objdir=`pwd` `pwd`/malloc/mtrace;
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    mv malloc/mtrace $out/bin/
+  '';
+
+  # Perl interpreter used for `mtrace`.
+  buildInputs = [ perl ];
+
+  # Reset a few things declared by `pkgs.glibc`.
+  outputs = [ "out" ];
+  separateDebugInfo = false;
+
+  meta = meta // {
+    description = "Perl script used to interpret and provide human readable output of the trace log contained in the file mtracedata, whose contents were produced by mtrace(3).";
+  };
+})

pkgs/top-level/all-packages.nix

@@ -16325,6 +16325,8 @@ with pkgs;
     stdenv = gccStdenv; # doesn't compile without gcc
   };
 
+  mtrace = callPackage ../development/libraries/glibc/mtrace.nix { };
+
   # Provided by libc on Operating Systems that use the Extensible Linker Format.
   elf-header =
     if stdenv.hostPlatform.parsed.kernel.execFormat.name == "elf"