gnu: antlr2: Fix reproducibility.

* gnu/packages/java.scm (antlr2)[arguments]: Add a phase to fix a timestamp issue.

1 files changed, 5 insertions, 0 deletions

diff --git a/gnu/packages/java.scm b/gnu/packages/java.scm
index 054ad677310..c607cbbcc53 100644
--- a/gnu/packages/java.scm
+++ b/gnu/packages/java.scm
@@ -6140,6 +6140,11 @@ printed.")
        (modify-phases %standard-phases
          (add-after 'install 'strip-jar-timestamps
            (assoc-ref ant:%standard-phases 'strip-jar-timestamps))
+         (add-before 'configure 'fix-timestamp
+           (lambda _
+             (substitute* "configure"
+               (("^TIMESTAMP.*") "TIMESTAMP=19700101\n"))
+             #t))
          (add-after 'configure 'fix-bin-ls
            (lambda _
              (substitute* (find-files "." "Makefile")