From 9101f2cbe42e90578c104d259b9b43541b2720f1 Mon Sep 17 00:00:00 2001 From: Volker Lendecke Date: Sat, 12 Jan 2013 16:08:07 +0100 Subject: [PATCH] Fix bug 9548: Correctly detect O_DIRECT --- lib/replace/libreplace.m4 | 21 ++++++++++----------- 1 Datei geändert, 10 Zeilen hinzugefügt(+), 11 Zeilen entfernt(-) diff --git a/lib/replace/libreplace.m4 b/lib/replace/libreplace.m4 index 808d5d1..87e8fdb 100644 --- a/lib/replace/libreplace.m4 +++ b/lib/replace/libreplace.m4 @@ -266,6 +266,16 @@ if test x"$libreplace_cv_sig_atomic_t" = x"yes"; then fi +dnl Check if the C compiler understands volatile (it should, being ANSI). +AC_CACHE_CHECK([that the C compiler understands volatile],libreplace_cv_volatile, [ + AC_TRY_COMPILE([#include ],[volatile int i = 0], + libreplace_cv_volatile=yes,libreplace_cv_volatile=no)]) +if test x"$libreplace_cv_volatile" = x"yes"; then + AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile]) +fi + +m4_include(system/config.m4) + AC_CACHE_CHECK([for O_DIRECT flag to open(2)],libreplace_cv_HAVE_OPEN_O_DIRECT,[ AC_TRY_COMPILE([ #include @@ -278,17 +288,6 @@ if test x"$libreplace_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT]) fi - -dnl Check if the C compiler understands volatile (it should, being ANSI). -AC_CACHE_CHECK([that the C compiler understands volatile],libreplace_cv_volatile, [ - AC_TRY_COMPILE([#include ],[volatile int i = 0], - libreplace_cv_volatile=yes,libreplace_cv_volatile=no)]) -if test x"$libreplace_cv_volatile" = x"yes"; then - AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile]) -fi - -m4_include(system/config.m4) - m4_include(dlfcn.m4) m4_include(getpass.m4) m4_include(strptime.m4) -- 1.7.11.5