X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=m4%2Futime_h.m4;fp=m4%2Futime_h.m4;h=89e301ba27b2be32d9bee85647ebfd5d785aa170;hb=a8a88eddaa90432e6ec1b8d9d5c9842bc91afd1d;hp=0000000000000000000000000000000000000000;hpb=20fcfc81ece044b8b0a6768ec6cf47be4e22a2e6;p=debian%2Fgzip diff --git a/m4/utime_h.m4 b/m4/utime_h.m4 new file mode 100644 index 0000000..89e301b --- /dev/null +++ b/m4/utime_h.m4 @@ -0,0 +1,59 @@ +# utime_h.m4 serial 1 +dnl Copyright (C) 2017-2018 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. + +dnl From Bruno Haible. + +AC_DEFUN([gl_UTIME_H], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([gl_UTIME_H_DEFAULTS]) + AC_CHECK_HEADERS_ONCE([utime.h]) + gl_CHECK_NEXT_HEADERS([utime.h]) + + if test $ac_cv_header_utime_h = yes; then + HAVE_UTIME_H=1 + else + HAVE_UTIME_H=0 + fi + AC_SUBST([HAVE_UTIME_H]) + + UTIME_H='' + if test $ac_cv_header_utime_h != yes; then + dnl Provide a substitute file. + UTIME_H=utime.h + else + case "$host_os" in + mingw*) dnl Need special handling of 'struct utimbuf'. + UTIME_H=utime.h + ;; + esac + fi + AC_SUBST([UTIME_H]) + AM_CONDITIONAL([GL_GENERATE_UTIME_H], [test -n "$UTIME_H"]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include + ]], + [utime]) +]) + +AC_DEFUN([gl_UTIME_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_UTIME_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_UTIME_H_DEFAULTS], +[ + GNULIB_UTIME=0; AC_SUBST([GNULIB_UTIME]) + dnl Assume POSIX behavior unless another module says otherwise. + HAVE_UTIME=1; AC_SUBST([HAVE_UTIME]) + REPLACE_UTIME=0; AC_SUBST([REPLACE_UTIME]) +])