diff options
Diffstat (limited to 'gnu/packages/statistics.scm')
| -rw-r--r-- | gnu/packages/statistics.scm | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm index 1324abd1f5..af69703d90 100644 --- a/gnu/packages/statistics.scm +++ b/gnu/packages/statistics.scm @@ -172,21 +172,15 @@ be output in text, PostScript, PDF or HTML.") ;; queries the mtime of a given file and records it in an object. ;; This is acceptable at runtime to detect stale source files, ;; but it destroys reproducibility at build time. - ;; - ;; Instead of disabling this feature, which may have unexpected - ;; consequences, we reset the mtime of generated files before - ;; passing them to the "srcfile" procedure. - (substitute* "src/library/Makefile.in" - (("@\\(cd base && \\$\\(MAKE\\) mkdesc\\)" line) - (string-append line "\n find $(top_builddir)/library/tools | xargs touch -d '1970-01-01'; \n")) - (("@\\$\\(MAKE\\) Rdobjects" line) - (string-append "@find $(srcdir)/tools | xargs touch -d '1970-01-01'; \n " - line))) - (substitute* "src/library/tools/Makefile.in" - (("@\\$\\(INSTALL_DATA\\) all.R \\$\\(top_builddir\\)/library/\\$\\(pkg\\)/R/\\$\\(pkg\\)" line) - (string-append - line - "\n find $(srcdir)/$(pkg) $(top_builddir)/library/$(pkg) | xargs touch -d \"1970-01-01\"; \n"))) + + ;; Similarly, the "srcfilecopy" procedure records the current + ;; time. We change both of them to respect SOURCE_DATE_EPOCH. + (substitute* "src/library/base/R/srcfile.R" + (("timestamp <- (timestamp.*|file.mtime.*)" _ time) + (string-append "timestamp <- \ +as.POSIXct(if (\"\" != Sys.getenv(\"SOURCE_DATE_EPOCH\")) {\ + as.numeric(Sys.getenv(\"SOURCE_DATE_EPOCH\"))\ +} else { " time "}, origin=\"1970-01-01\")\n"))) ;; This library is installed using "install_package_description", ;; so we need to pass the "builtStamp" argument. |