use $(PERL), not @PERL@

diff --git a/doc/Makefile.am b/doc/Makefile.am
index ef6ecc2a9f5aff2c10e7ca508dbce0278506bb8c..6817e4fe59016b6a6f34cf5f0f04d14b7c76b3ef 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -32,7 +32,7 @@ $(INFO_DEPS): $(EXTRA_DIST)
 check-texinfo:
        grep timezone $(srcdir)/*.texi && exit 1 || :
        grep '\$$@"' $(srcdir)/*.texi && exit 1 || :
-       @PERL@ -ne \
+       $(PERL) -ne \
          '/\bPOSIX\b/ && !/\@acronym{POSIX}/ || /{posix}/ and print,exit 1' \
          $(srcdir)/*.texi 2> /dev/null && : || exit 1