update from texinfo

[gnulib.git] / top / maint.mk

diff --git a/top/maint.mk b/top/maint.mk
index bbb67ec..0137df1 100644 (file)
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -762,7 +762,8 @@ define def_sym_regex
        gen_h=$(gl_generated_headers_);                                 \
        (cd $(gnulib_dir)/lib;                                          \
          for f in *.in.h $(gl_other_headers_); do                      \
-           perl -lne '$(gl_extract_significant_defines_)' $$f;         \
+           test -f $$f                                                 \
+             && perl -lne '$(gl_extract_significant_defines_)' $$f;    \
          done;                                                         \
        ) | sort -u                                                     \
          | sed 's/^/^ *# *(define|undef)  */;s/$$/\\>/'