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-rw-r--r--pkgs/development/ada-modules/gprbuild/default.nix5
1 files changed, 4 insertions, 1 deletions
diff --git a/pkgs/development/ada-modules/gprbuild/default.nix b/pkgs/development/ada-modules/gprbuild/default.nix
index aad1157012634..fcb358d5fb5fd 100644
--- a/pkgs/development/ada-modules/gprbuild/default.nix
+++ b/pkgs/development/ada-modules/gprbuild/default.nix
@@ -54,7 +54,10 @@ stdenv.mkDerivation {
   # link gprconfig_kb db from gprbuild-boot into build dir,
   # the install process copies its contents to $out
   preInstall = ''
-    ln -sf ${gprbuild-boot}/share/gprconfig share/gprconfig
+    # Use PATH to discover spliced gprbuild-boot from buildPackages,
+    # since path interpolation would give us gprbuild-boot from pkgsHostTarget
+    gprbuild_boot="$(dirname "$(type -p gprbuild)")/.."
+    ln -sf "$gprbuild_boot/share/gprconfig" share/gprconfig
   '';
 
   # no need for the install script