3 dnl check for getpwnam_r, and if it's posix or not
5 AC_DEFUN([AC_CHECK_GETPWNAM_R_POSIX],[
6 AC_FIND_FUNC_NO_LIBS(getpwnam_r,c_r)
7 if test "$ac_cv_func_getpwnam_r" = yes; then
8 AC_CACHE_CHECK(if getpwnam_r is posix,ac_cv_func_getpwnam_r_posix,
10 LIBS="$LIBS $LIB_getpwnam_r"
11 AC_RUN_IFELSE([AC_LANG_SOURCE([[
12 #define _POSIX_PTHREAD_SEMANTICS
14 int main(int argc, char **argv)
16 struct passwd pw, *pwd;
17 return getpwnam_r("", &pw, 0, 0, &pwd) < 0;
19 ]])],[ac_cv_func_getpwnam_r_posix=yes],[ac_cv_func_getpwnam_r_posix=no],[:])
21 AC_CACHE_CHECK(if _POSIX_PTHREAD_SEMANTICS is needed,ac_cv_func_getpwnam_r_posix_def,
23 LIBS="$LIBS $LIB_getpwnam_r"
24 AC_RUN_IFELSE([AC_LANG_SOURCE([[
26 int main(int argc, char **argv)
28 struct passwd pw, *pwd;
29 return getpwnam_r("", &pw, 0, 0, &pwd) < 0;
31 ]])],[ac_cv_func_getpwnam_r_posix_def=no],[ac_cv_func_getpwnam_r_posix_def=yes],[:])
33 if test "$ac_cv_func_getpwnam_r_posix" = yes; then
34 AC_DEFINE(POSIX_GETPWNAM_R, 1, [Define if getpwnam_r has POSIX flavour.])
36 if 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.])