diff options
Diffstat (limited to 'm4/include_next.m4')
| -rw-r--r-- | m4/include_next.m4 | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/m4/include_next.m4 b/m4/include_next.m4 index 33601aa3b43..9221d9f7d5f 100644 --- a/m4/include_next.m4 +++ b/m4/include_next.m4 @@ -1,4 +1,4 @@ -# include_next.m4 serial 25 +# include_next.m4 serial 26 dnl Copyright (C) 2006-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -106,19 +106,21 @@ dnl We intentionally avoid using AC_LANG_SOURCE here. AC_SUBST([INCLUDE_NEXT]) AC_SUBST([INCLUDE_NEXT_AS_FIRST_DIRECTIVE]) AC_SUBST([PRAGMA_SYSTEM_HEADER]) - AC_CACHE_CHECK([whether system header files limit the line length], - [gl_cv_pragma_columns], - [dnl HP NonStop systems, which define __TANDEM, have this misfeature. - AC_EGREP_CPP([choke me], + + dnl HP NonStop systems, which define __TANDEM, limit the line length + dnl after including some system header files. + AC_CACHE_CHECK([whether source code line length is unlimited], + [gl_cv_source_line_length_unlimited], + [AC_EGREP_CPP([choke me], [ #ifdef __TANDEM choke me #endif ], - [gl_cv_pragma_columns=yes], - [gl_cv_pragma_columns=no]) + [gl_cv_source_line_length_unlimited=no], + [gl_cv_source_line_length_unlimited=yes]) ]) - if test $gl_cv_pragma_columns = yes; then + if test $gl_cv_source_line_length_unlimited = no; then PRAGMA_COLUMNS="#pragma COLUMNS 10000" else PRAGMA_COLUMNS= |