# implicit declaration warnings without failing the test (in developer mode)
ac_no_error_on_warning_CFLAGS="${CFLAGS}"
-# Since --enable-developer causes warnings to be treated as errors during
-# compilation, we should avoid using features that will fail to compile.
-#
-# We don't want to enable this earlier because the built-in functions such as
-# memset fail to configure properly.
-
-if test x"$samba_cv_HAVE_Werror_implicit_function_declaration" = x"yes" -a \
- x"$developer" = xyes; then
- CFLAGS="${CFLAGS} -Werror-implicit-function-declaration"
- ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
- ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-fi
-
echo -n "checking for GPFS GPL libs... "
save_LIBS="$LIBS"
LIBS="$LIBS -lgpfs_gpl"
AC_HAVE_DECL(setresuid, [#include <unistd.h>])
AC_HAVE_DECL(setresgid, [#include <unistd.h>])
AC_HAVE_DECL(errno, [#include <errno.h>])
+AC_HAVE_DECL(readahead, [#include <fcntl.h>])
AC_CACHE_CHECK([for secure mkstemp],samba_cv_HAVE_SECURE_MKSTEMP,[
AC_TRY_RUN([#include <stdlib.h>
extern int errno;
#endif
+#if defined(HAVE_LINUX_READAHEAD) && ! defined(HAVE_READAHEAD_DECL)
+ssize_t readahead(int fd, off64_t offset, size_t count);
+#endif
+
+
#ifndef HAVE_STRDUP
#define strdup rep_strdup
char *rep_strdup(const char *s);