1dnl $Id$
2dnl
3dnl check for getpwnam_r, and if it's posix or not
4
5AC_DEFUN([AC_CHECK_GETPWNAM_R_POSIX],[
6AC_FIND_FUNC_NO_LIBS(getpwnam_r,c_r)
7if test "$ac_cv_func_getpwnam_r" = yes; then
8	AC_CACHE_CHECK(if getpwnam_r is posix,ac_cv_func_getpwnam_r_posix,
9	ac_libs="$LIBS"
10	LIBS="$LIBS $LIB_getpwnam_r"
11	AC_RUN_IFELSE([AC_LANG_SOURCE([[
12#define _POSIX_PTHREAD_SEMANTICS
13#include <pwd.h>
14int main(int argc, char **argv)
15{
16	struct passwd pw, *pwd;
17	return getpwnam_r("", &pw, 0, 0, &pwd) < 0;
18}
19]])],[ac_cv_func_getpwnam_r_posix=yes],[ac_cv_func_getpwnam_r_posix=no],[:])
20LIBS="$ac_libs")
21	AC_CACHE_CHECK(if _POSIX_PTHREAD_SEMANTICS is needed,ac_cv_func_getpwnam_r_posix_def,
22	ac_libs="$LIBS"
23	LIBS="$LIBS $LIB_getpwnam_r"
24	AC_RUN_IFELSE([AC_LANG_SOURCE([[
25#include <pwd.h>
26int main(int argc, char **argv)
27{
28	struct passwd pw, *pwd;
29	return getpwnam_r("", &pw, 0, 0, &pwd) < 0;
30}
31]])],[ac_cv_func_getpwnam_r_posix_def=no],[ac_cv_func_getpwnam_r_posix_def=yes],[:])
32LIBS="$ac_libs")
33if test "$ac_cv_func_getpwnam_r_posix" = yes; then
34	AC_DEFINE(POSIX_GETPWNAM_R, 1, [Define if getpwnam_r has POSIX flavour.])
35fi
36if test "$ac_cv_func_getpwnam_r_posix" = yes -a "$ac_cv_func_getpwnam_r_posix_def" = yes; then
37	AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Define to get POSIX getpwnam_r in some systems.])
38fi
39fi
40])
41