[Bug bootstrap/55961] [4.8 Regression] system.h includes gmp.h but system.h is included for build and not just target

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55961



Richard Biener <rguenth at gcc dot gnu.org> changed:



           What    |Removed                     |Added

----------------------------------------------------------------------------

           Priority|P3                          |P1

             Status|NEW                         |ASSIGNED

         AssignedTo|unassigned at gcc dot       |rguenth at gcc dot gnu.org

                   |gnu.org                     |



--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> 2013-01-15 
13:05:23 UTC ---

Index: gcc/system.h

===================================================================

--- gcc/system.h        (revision 195194)

+++ gcc/system.h        (working copy)

@@ -636,7 +636,10 @@ extern int vsnprintf(char *, size_t, con

 #include <dlfcn.h>

 #endif



+/* Do not introduce a gmp.h dependency on the build system.  */

+#ifndef GENERATOR_FILE

 #include <gmp.h>

+#endif



 /* Get libiberty declarations.  */

 #include "libiberty.h"



should restore previous behavior.  I'm not sure if any configure check

for the build system includes system.h and does _not_ define GENERATOR_FILE.

So, does the build configury define GENERATOR_FILE?