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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-01-20 10:55:18 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-01-20 10:55:18 +0000 |
commit | 70e9163c9c18e995515598085cb824e554eb7ae7 (patch) | |
tree | a42dc8b2a6c031354bf31472de888bfc8a060132 /m4/sys_utsname_h.m4 | |
parent | cbf5993c43f49281173f185863577d86bfac6eae (diff) | |
download | coreutils-tarball-70e9163c9c18e995515598085cb824e554eb7ae7.tar.gz |
coreutils-8.25HEADcoreutils-8.25master
Diffstat (limited to 'm4/sys_utsname_h.m4')
-rw-r--r-- | m4/sys_utsname_h.m4 | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/m4/sys_utsname_h.m4 b/m4/sys_utsname_h.m4 new file mode 100644 index 0000000..74ee67b --- /dev/null +++ b/m4/sys_utsname_h.m4 @@ -0,0 +1,54 @@ +# sys_utsname_h.m4 serial 8 +dnl Copyright (C) 2009-2016 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 Bruno Haible. + +AC_DEFUN([gl_SYS_UTSNAME_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_SYS_UTSNAME_H_DEFAULTS]) + + dnl <sys/utsname.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([sys/utsname.h]) + if test $ac_cv_header_sys_utsname_h != yes; then + HAVE_SYS_UTSNAME_H=0 + HAVE_STRUCT_UTSNAME=0 + else + HAVE_SYS_UTSNAME_H=1 + AC_CHECK_TYPES([struct utsname], [], [HAVE_STRUCT_UTSNAME=0], [[ +/* Minix 3.1.8 has a bug: <stddef.h> must be included before + <sys/utsname.h>. */ +#include <stddef.h> +#include <sys/utsname.h> + ]]) + fi + AC_SUBST([HAVE_SYS_UTSNAME_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([[ + /* Minix 3.1.8 has a bug: <stddef.h> must be included before + <sys/utsname.h>. */ + #include <stddef.h> + #include <sys/utsname.h> + ]], [uname]) +]) + +AC_DEFUN([gl_SYS_UTSNAME_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_UTSNAME_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_SYS_UTSNAME_H_DEFAULTS], +[ + GNULIB_UNAME=0; AC_SUBST([GNULIB_UNAME]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_UNAME=1; AC_SUBST([HAVE_UNAME]) + HAVE_STRUCT_UTSNAME=1; AC_SUBST([HAVE_STRUCT_UTSNAME]) +]) |