push sheeet

pkgs/development/ada-modules/gprbuild/boot.nix

@@ -0,0 +1,99 @@
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  gnat,
+  which,
+  xmlada, # for src
+}:
+
+let
+  version = "25.0.0";
+
+  gprConfigKbSrc = fetchFromGitHub {
+    name = "gprconfig-kb-${version}-src";
+    owner = "AdaCore";
+    repo = "gprconfig_kb";
+    rev = "v${version}";
+    sha256 = "09x1njq0i0z7fbwg0mg39r5ghy7369avbqvdycfj67lpmw17gb1r";
+  };
+in
+
+stdenv.mkDerivation {
+  pname = "gprbuild-boot";
+  inherit version;
+
+  src = fetchFromGitHub {
+    name = "gprbuild-${version}";
+    owner = "AdaCore";
+    repo = "gprbuild";
+    rev = "v${version}";
+    sha256 = "1mqsmc0q5bzg8223ls18kbvaz6mhzjz7ik8d3sqhhn24c0j6wjaw";
+  };
+
+  nativeBuildInputs = [
+    gnat
+    which
+  ];
+
+  postPatch = ''
+    # The Makefile uses gprbuild to build gprbuild which
+    # we can't do at this point, delete it to prevent the
+    # default phases from failing.
+    rm Makefile
+
+    # make sure bootstrap script runs
+    patchShebangs --build bootstrap.sh
+  '';
+
+  # This setupHook populates GPR_PROJECT_PATH which is used by
+  # gprbuild to find dependencies. It works quite similar to
+  # the pkg-config setupHook in the sense that it also splits
+  # dependencies into GPR_PROJECT_PATH and GPR_PROJECT_PATH_FOR_BUILD,
+  # but gprbuild itself doesn't support this, so we'll need to
+  # introducing a wrapper for it in the future remains TODO.
+  # For the moment this doesn't matter since we have no situation
+  # were gprbuild is used to build something used at build time.
+  setupHooks = [
+    ./gpr-project-path-hook.sh
+  ]
+  ++ lib.optionals stdenv.targetPlatform.isDarwin [
+    # This setupHook replaces the paths of shared libraries starting
+    # with @rpath with the absolute paths on Darwin, so that the
+    # binaries can be run without additional setup.
+    ./gpr-project-darwin-rpath-hook.sh
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    ./bootstrap.sh \
+      --with-xmlada=${xmlada.src} \
+      --with-kb=${gprConfigKbSrc} \
+      --prefix=$out
+
+    # Install custom compiler description which can detect nixpkgs'
+    # GNAT wrapper as a proper Ada compiler. The default compiler
+    # description expects the runtime library to be installed in
+    # the same prefix which isn't the case for nixpkgs. As a
+    # result, it would detect the unwrapped GNAT as a proper
+    # compiler which is unable to produce working binaries.
+    #
+    # Our compiler description is very similar to the upstream
+    # GNAT description except that we use a symlink in $out/nix-support
+    # created by the cc-wrapper to find the associated runtime
+    # libraries and use gnatmake instead of gnatls to find GNAT's
+    # bin directory.
+    install -m644 ${./nixpkgs-gnat.xml} $out/share/gprconfig/nixpkgs-gnat.xml
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Multi-language extensible build tool";
+    homepage = "https://github.com/AdaCore/gprbuild";
+    license = licenses.gpl3Plus;
+    maintainers = [ maintainers.sternenseemann ];
+    platforms = platforms.all;
+  };
+}

pkgs/development/ada-modules/gprbuild/default.nix

@@ -0,0 +1,79 @@
+{
+  lib,
+  stdenv,
+  gprbuild-boot,
+  which,
+  gnat,
+  xmlada,
+}:
+
+stdenv.mkDerivation {
+  pname = "gprbuild";
+
+  # See ./boot.nix for an explanation of the gprbuild setupHook,
+  # our custom knowledge base entry and the situation wrt a
+  # (future) gprbuild wrapper.
+  inherit (gprbuild-boot)
+    version
+    src
+    setupHooks
+    meta
+    ;
+
+  nativeBuildInputs = [
+    gnat
+    gprbuild-boot
+    which
+  ];
+
+  propagatedBuildInputs = [
+    xmlada
+  ];
+
+  makeFlags = [
+    "ENABLE_SHARED=${if stdenv.hostPlatform.isStatic then "no" else "yes"}"
+    "PROCESSORS=$(NIX_BUILD_CORES)"
+    # confusingly, for gprbuild --target is autoconf --host
+    "TARGET=${stdenv.hostPlatform.config}"
+    "prefix=${placeholder "out"}"
+  ]
+  ++ lib.optionals (!stdenv.hostPlatform.isStatic) [
+    "LIBRARY_TYPE=relocatable"
+  ];
+
+  env = lib.optionalAttrs stdenv.hostPlatform.isDarwin {
+    # Ensure that there is enough space for the `fixDarwinDylibNames` hook to
+    # update the install names of the output dylibs.
+    NIX_LDFLAGS = "-headerpad_max_install_names";
+  };
+
+  # Fixes gprbuild being linked statically always. Based on the AUR's patch:
+  # https://aur.archlinux.org/cgit/aur.git/plain/0001-Makefile-build-relocatable-instead-of-static-binary.patch?h=gprbuild&id=bac524c76cd59c68fb91ef4dfcbe427357b9f850
+  patches = lib.optionals (!stdenv.hostPlatform.isStatic) [
+    ./gprbuild-relocatable-build.patch
+  ];
+
+  buildFlags = [
+    "all"
+    "libgpr.build"
+  ];
+
+  installFlags = [
+    "all"
+    "libgpr.install"
+  ];
+
+  # link gprconfig_kb db from gprbuild-boot into build dir,
+  # the install process copies its contents to $out
+  preInstall = ''
+    # Use PATH to discover spliced gprbuild-boot from buildPackages,
+    # since path interpolation would give us gprbuild-boot from pkgsHostTarget
+    gprbuild_boot="$(dirname "$(type -p gprbuild)")/.."
+    ln -sf "$gprbuild_boot/share/gprconfig" share/gprconfig
+  '';
+
+  # no need for the install script
+  postInstall = ''
+    rm $out/doinstall
+  '';
+}

pkgs/development/ada-modules/gprbuild/gpr-project-darwin-rpath-hook.sh

@@ -0,0 +1,10 @@
+fixGprProjectDarwinRpath() {
+    for f in $(find $out -type f -executable); do
+        install_name_tool -id $f $f || true
+        for rpath in $(otool -L $f | grep @rpath | awk '{print $1}'); do
+            install_name_tool -change $rpath ${!outputLib}/lib/$(basename $rpath) $f || true
+        done
+    done
+}
+
+appendToVar preFixupPhases fixGprProjectDarwinRpath

pkgs/development/ada-modules/gprbuild/gpr-project-path-hook.sh

@@ -0,0 +1,8 @@
+addAdaObjectsPath() {
+    local role_post
+    getHostRoleEnvHook
+
+    addToSearchPath "GPR_PROJECT_PATH${role_post}" "$1/share/gpr"
+}
+
+addEnvHooks "$targetOffset" addAdaObjectsPath

pkgs/development/ada-modules/gprbuild/gprbuild-relocatable-build.patch

@@ -0,0 +1,13 @@
+diff --git a/Makefile b/Makefile
+index 8c542078..e91cef5e 100644
+--- a/Makefile
++++ b/Makefile
+@@ -82,7 +82,7 @@ LIB_INSTALLER=gprinstall -p -f --target=$(TARGET) $(RBD) "--prefix=${prefix}"
+ CLEANER=gprclean -q $(RBD)
+ 
+ GPRBUILD_BUILDER=$(BUILDER) $(GPRBUILD_GPR) \
+-	-XLIBRARY_TYPE=static -XXMLADA_BUILD=static
++	-XLIBRARY_TYPE=relocatable -XXMLADA_BUILD=relocatable
+ LIBGPR_BUILDER=$(BUILDER) $(GPR_GPR) $(LIBGPR_OS)
+ LIBGPR_INSTALLER=$(LIB_INSTALLER) $(GPR_GPR) $(LIBGPR_OS) -XBUILD=${BUILD} \
+ 	--install-name=gpr \

pkgs/development/ada-modules/gprbuild/nixpkgs-gnat.xml

@@ -0,0 +1,89 @@
+<?xml version="1.0" ?>
+<gprconfig>
+  <!-- This differs from the default GNAT compiler description
+       in the following ways:
+
+       * gnatmake is used over gnatls to detect the GNAT version
+         since the latter is not part of the wrapper.
+       * to find the runtime libraries, we rely on the symlink
+         ../nix-support/gprconfig-gnat-unwrapped which is a
+         gprconfig-specific addition to the cc-wrapper we employ
+         for Ada compilers (which is only GNAT at the moment).
+
+       For documentation on this file format and its use refer to
+       https://docs.adacore.com/gprbuild-docs/html/gprbuild_ug/companion_tools.html#the-gprconfig-knowledge-base
+  -->
+  <compiler_description>
+    <!-- We would like to name this something different, so users
+         of gprconfig know this is something custom, nixpkgs-related,
+         but unfortunately the knowledge base depends on the name of
+         the compiler for e. g. linker settings.
+    -->
+    <name>GNAT</name>
+    <executable prefix="1">(.*-.*-.*)?gnatmake</executable>
+    <version>
+      <external>${PREFIX}gnatmake -v</external>
+      <grep regexp="^GNATMAKE.+?(\d+(\.\d+)?)" group="1"></grep>
+    </version>
+    <languages>Ada</languages>
+    <variable name="gcc_version">
+      <external>${PREFIX}gcc -v</external>
+      <grep regexp="^[-\w]*gcc \S+ (\S+)" group="1"></grep>
+    </variable>
+    <!-- The ada runtime libraries and objects are only part of the unwrapped
+         GNAT derivation. We can't symlink them into the wrapper derivation
+         (at least not the canonical location) since that screws with linking
+         against libraries distributed with gcc.
+
+         As a workaround, we create a symlink to the unwrapped GNAT's "out"
+         output in the cc-wrapper which we can read into a variable here and
+         use to find GNAT's Ada runtime.
+    -->
+    <variable name="gnat_unwrapped">
+      <external>readlink -n ${PATH}/../nix-support/gprconfig-gnat-unwrapped</external>
+    </variable>
+    <runtimes default="default,kernel,native">
+       <directory group="default" >$gnat_unwrapped/lib/gcc(-lib)?/$TARGET/$gcc_version/adalib/</directory>
+       <directory group="default" contents="^rts-">$gnat_unwrapped/lib/gcc(-lib)?/$TARGET/$gcc_version/ada_object_path</directory>
+       <directory group="2" >$gnat_unwrapped/lib/gcc(-lib)?/$TARGET/$gcc_version/rts-(.*)/adalib/</directory>
+       <directory group="1" >$gnat_unwrapped/$TARGET/lib/gnat/(.*)/adalib/</directory>
+    </runtimes>
+    <target>
+      <external>${PREFIX}gcc -dumpmachine</external>
+      <grep regexp="[^\r\n]+"></grep>
+    </target>
+  </compiler_description>
+  <configuration>
+    <!-- aarch64-linux - native compiler. -->
+    <targets>
+      <target name="^aarch64-unknown-linux-gnu$" />
+    </targets>
+    <hosts>
+      <host name="^aarch64-unknown-linux-gnu$" />
+    </hosts>
+    <config>
+   for Archive_Builder  use ("ar", "cr");
+   for Archive_Builder_Append_Option use ("q");
+   for Archive_Indexer  use ("ranlib");
+   for Archive_Suffix   use ".a";
+    </config>
+  </configuration>
+  <configuration>
+    <!-- aarch64-linux - native compiler. -->
+    <targets>
+      <target name="^aarch64-unknown-linux-gnu$" />
+    </targets>
+    <hosts>
+      <host name="^aarch64-unknown-linux-gnu$" />
+    </hosts>
+    <config>
+   for Object_Lister use ("nm", "-g");
+   for Object_Lister_Matcher use " [TDRBSG] (.*)";
+
+   package Linker is
+      for Export_File_Format use "GNU";
+      for Export_File_Switch use "-Wl,--version-script=";
+   end Linker;
+    </config>
+  </configuration>
+</gprconfig>