* configure.in: check for dirfd even if it is a macro

  (Patch from Timothy Redaelli <drizzt at gufi dot org>)

diff --git a/ChangeLog b/ChangeLog
index 47737aea38ad25e10e1828f63b7b6feee8f5400e..5a2596584e06f39d0cfadffbedfb14bb7a6b4b72 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2006-10-11  John (J5) Palmieri  <johnp@redhat.com>
+
+       * configure.in: check for dirfd even if it is a macro
+       (Patch from Timothy Redaelli <drizzt at gufi dot org>)
+
 2006-10-08  John (J5) Palmieri  <johnp@redhat.com>
 
        * configure.in: define _POSIX_PTHREAD_SEMANTICS on solaris

diff --git a/configure.in b/configure.in
index 867b9fe9b6217b02f90a42a09bb51e3bb9f8effa..509fe2d1911cd31a4c9269a24bfde4ae3521ecff 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -510,7 +510,24 @@ fi
 AC_CHECK_LIB(socket,socket)
 AC_CHECK_LIB(nsl,gethostbyname)
 
-AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep poll setenv unsetenv socketpair getgrouplist fpathconf dirfd)
+AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep poll setenv unsetenv socketpair getgrouplist fpathconf)
+
+AC_CACHE_CHECK([for dirfd],
+               ac_cv_func_dirfd,
+               [AC_TRY_RUN([
+#include <sys/types.h>
+#include <dirent.h>
+int main () {
+       DIR *dirp;
+       dirp = opendir(".");
+       dirfd(dirp);
+       closedir(dirp);
+}],
+               ac_cv_func_dirfd=yes,
+               ac_cv_func_dirfd=no)])
+if test "$ac_cv_func_dirfd" = yes; then
+       AC_DEFINE(HAVE_DIRFD,1,[Have dirfd function])
+fi
 
 AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_FUNCS(backtrace)])