diff options
Diffstat (limited to 'm4/unistd_h.m4')
-rw-r--r-- | m4/unistd_h.m4 | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/m4/unistd_h.m4 b/m4/unistd_h.m4 new file mode 100644 index 0000000..628b818 --- /dev/null +++ b/m4/unistd_h.m4 @@ -0,0 +1,51 @@ +# unistd_h.m4 serial 5 +dnl Copyright (C) 2006-2007 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 Written by Simon Josefsson, Bruno Haible. + +AC_DEFUN([gl_UNISTD_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + + AC_CHECK_HEADERS_ONCE([unistd.h]) + if test $ac_cv_header_unistd_h = yes; then + HAVE_UNISTD_H=1 + gl_ABSOLUTE_HEADER([unistd.h]) + ABSOLUTE_UNISTD_H=\"$gl_cv_absolute_unistd_h\" + else + HAVE_UNISTD_H=0 + fi + AC_SUBST([HAVE_UNISTD_H]) + AC_SUBST([ABSOLUTE_UNISTD_H]) +]) + +AC_DEFUN([gl_UNISTD_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1 +]) + +AC_DEFUN([gl_UNISTD_H_DEFAULTS], +[ + GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN]) + GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2]) + GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR]) + GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE]) + GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD]) + GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R]) + GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DUP2=1; AC_SUBST([HAVE_DUP2]) + HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE]) + HAVE_READLINK=1; AC_SUBST([HAVE_READLINK]) + HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R]) + REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN]) + REPLACE_FCHDIR=0; AC_SUBST([REPLACE_FCHDIR]) + REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD]) +]) |