petsc: add comments for installCheckFlags

2026-06-23 09:36:35 +08:00
parent 383e038e0b
commit 863a37b6d4
1 changed files with 4 additions and 0 deletions
@@ -231,6 +231,10 @@ stdenv.mkDerivation (finalAttrs: {
  # the library is installed and available.
  doInstallCheck = true;
  installCheckTarget = "check_install";
+  # check_install is defined in PETSc's top-level makefile. Select it directly
+  # instead of the default GNUmakefile wrapper, then check the installed prefix
+  # by pointing PETSC_DIR at $out. PETSC_ARCH must be empty for prefix installs,
+  # where lib/petsc/conf is not nested below an architecture-specific build dir.
  installCheckFlags = [
    "-f"
    "makefile"