skip warnings on Fortran statement functions

git-svn-id: https://svn.r-project.org/R/trunk@87186 00db46b3-68df-0310-9c12-caf00c1e9a41

doc/NEWS.Rd

@@ -242,6 +242,12 @@
  \item Installation will define \code{STRICT_R_HEADERS} if
  environment variable \env{_R_USE_STRICT_R_HEADERS_} is set to a
  true value: this is done by \command{R CMD check --as-cran}.
+
+ \item \command{R CMD check} now reports more warnings on
+ long-deprecated/obsolete Fortran features from
+ \command{gfortran -Wall}. For hints on how to modernize these,
+ see
+ \url{https://fortranwiki.org/fortran/show/Modernizing+Old+Fortran}.
  }
  }
 

src/library/tools/R/check.R

@@ -6206,6 +6206,8 @@ add_dummies <- function(dir, Log)
  ## "arithmetic IF statement at \\(1\\)",
  ## Reported as from 2024-09
  ## "Obsolescent feature:",
+ ## see e.g. https://fortranwiki.org/fortran/show/Modernizing+Old+Fortran
+ "Obsolescent feature: Statement function",
  "Nonconforming tab character (in|at)")
  warn_re <- c(warn_re,
  "Warning: .*\\[-Wconversion]",