1de3db5678
NULL is not defined w/o including stddefs.h, so the test program
fails to compile. A simple s/NULL/0/ fixes it.
41 lines
1.3 KiB
Plaintext
41 lines
1.3 KiB
Plaintext
dnl $Id$
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dnl
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dnl check for getpwnam_r, and if it's posix or not
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AC_DEFUN([AC_CHECK_GETPWNAM_R_POSIX],[
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AC_FIND_FUNC_NO_LIBS(getpwnam_r,c_r)
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if test "$ac_cv_func_getpwnam_r" = yes; then
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AC_CACHE_CHECK(if getpwnam_r is posix,ac_cv_func_getpwnam_r_posix,
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ac_libs="$LIBS"
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LIBS="$LIBS $LIB_getpwnam_r"
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AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#define _POSIX_PTHREAD_SEMANTICS
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#include <pwd.h>
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int main(int argc, char **argv)
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{
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struct passwd pw, *pwd;
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return getpwnam_r("", &pw, 0, 0, &pwd) < 0;
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}
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]])],[ac_cv_func_getpwnam_r_posix=yes],[ac_cv_func_getpwnam_r_posix=no],[:])
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LIBS="$ac_libs")
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AC_CACHE_CHECK(if _POSIX_PTHREAD_SEMANTICS is needed,ac_cv_func_getpwnam_r_posix_def,
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ac_libs="$LIBS"
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LIBS="$LIBS $LIB_getpwnam_r"
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AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#include <pwd.h>
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int main(int argc, char **argv)
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{
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struct passwd pw, *pwd;
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return getpwnam_r("", &pw, 0, 0, &pwd) < 0;
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}
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]])],[ac_cv_func_getpwnam_r_posix_def=no],[ac_cv_func_getpwnam_r_posix_def=yes],[:])
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LIBS="$ac_libs")
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if test "$ac_cv_func_getpwnam_r_posix" = yes; then
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AC_DEFINE(POSIX_GETPWNAM_R, 1, [Define if getpwnam_r has POSIX flavour.])
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fi
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if test "$ac_cv_func_getpwnam_r_posix" = yes -a "$ac_cv_func_getpwnam_r_posix_def" = yes; then
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AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Define to get POSIX getpwnam_r in some systems.])
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fi
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fi
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])
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