Don't care about the result from write() in SIGSEGV handler
[heimdal.git] / cf / check-getpwnam_r-posix.m4
blob69bc06e7cc95322ca3cbd6af83cdeefd99da8992
1 dnl $Id$
2 dnl
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 "$ac_cv_func_getpwnam_r" = yes; then
8         AC_CACHE_CHECK(if getpwnam_r is posix,ac_cv_func_getpwnam_r_posix,
9         ac_libs="$LIBS"
10         LIBS="$LIBS $LIB_getpwnam_r"
11         AC_RUN_IFELSE([AC_LANG_SOURCE([[
12 #define _POSIX_PTHREAD_SEMANTICS
13 #include <pwd.h>
14 int main(int argc, char **argv)
16         struct passwd pw, *pwd;
17         return getpwnam_r("", &pw, NULL, 0, &pwd) < 0;
19 ]])],[ac_cv_func_getpwnam_r_posix=yes],[ac_cv_func_getpwnam_r_posix=no],[:])
20 LIBS="$ac_libs")
21 if test "$ac_cv_func_getpwnam_r_posix" = yes; then
22         AC_DEFINE(POSIX_GETPWNAM_R, 1, [Define if getpwnam_r has POSIX flavour.])