diff options
Diffstat (limited to 'm4/dup.m4')
| -rw-r--r-- | m4/dup.m4 | 22 |
1 files changed, 15 insertions, 7 deletions
@@ -1,5 +1,5 @@ -# dup.m4 serial 4 -dnl Copyright (C) 2011-2017 Free Software Foundation, Inc. +# dup.m4 serial 6 +dnl Copyright (C) 2011-2018 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -7,10 +7,13 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_DUP], [ AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) - AC_REQUIRE([gl_MSVC_INVAL]) - if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then - REPLACE_DUP=1 - fi + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + m4_ifdef([gl_MSVC_INVAL], [ + AC_REQUIRE([gl_MSVC_INVAL]) + if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + REPLACE_DUP=1 + fi + ]) dnl Replace dup() for supporting the gnulib-defined fchdir() function, dnl to keep fchdir's bookkeeping up-to-date. m4_ifdef([gl_FUNC_FCHDIR], [ @@ -31,7 +34,12 @@ AC_DEFUN([gl_FUNC_DUP], ], [gl_cv_func_dup_works=yes], [gl_cv_func_dup_works=no], - [gl_cv_func_dup_works='guessing yes']) + [case "$host_os" in + # Guess no on native Windows. + mingw*) gl_cv_func_dup_works="guessing no" ;; + *) gl_cv_func_dup_works="guessing yes" ;; + esac + ]) ]) case "$gl_cv_func_dup_works" in *yes) ;; |