diff options
Diffstat (limited to 'm4/sys_uio_h.m4')
| -rw-r--r-- | m4/sys_uio_h.m4 | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/m4/sys_uio_h.m4 b/m4/sys_uio_h.m4 index 503de4d1fd..baea88a07c 100644 --- a/m4/sys_uio_h.m4 +++ b/m4/sys_uio_h.m4 @@ -1,10 +1,10 @@ -# sys_uio_h.m4 serial 1 +# sys_uio_h.m4 serial 2 dnl Copyright (C) 2011-2021 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. -AC_DEFUN([gl_HEADER_SYS_UIO], +AC_DEFUN_ONCE([gl_SYS_UIO_H], [ AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS]) dnl <sys/uio.h> is always overridden, because of GNULIB_POSIXCHECK. @@ -19,13 +19,21 @@ AC_DEFUN([gl_HEADER_SYS_UIO], AC_DEFUN([gl_SYS_UIO_MODULE_INDICATOR], [ - dnl Use AC_REQUIRE here, so that the default settings are expanded once only. - AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS]) + dnl Ensure to expand the default settings once only. + gl_SYS_UIO_H_REQUIRE_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_SYS_UIO_H_REQUIRE_DEFAULTS], +[ + m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_UIO_H_MODULE_INDICATOR_DEFAULTS], [ + ]) + m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_UIO_H_MODULE_INDICATOR_DEFAULTS]) + AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS]) +]) + AC_DEFUN([gl_SYS_UIO_H_DEFAULTS], [ ]) |