On Tue, Dec 17, 2013 at 01:14:23PM +0100, Bernd Edlinger wrote:
> the reason for this is overwriting GMPINC for the auto-build generation,
> because
> many test scripts include <gmp.h> which fails now completely (it is not
> installed,
> I have it in-tree).
Yes, I understand the reason why your setup is failing. Please try
this patch.
Index: gcc/configure.ac
===================================================================
--- gcc/configure.ac (revision 206009)
+++ gcc/configure.ac (working copy)
@@ -1529,8 +1529,13 @@
/* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
*) realsrcdir=../${srcdir};;
esac
+ # Clearing GMPINC is necessary to prevent host headers being
+ # used by the build compiler. Defining GENERATOR_FILE stops
+ # system.h from including gmp.h.
CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
- LDFLAGS="${LDFLAGS_FOR_BUILD}" GMPINC="" \
+ CXX="${CXX_FOR_BUILD}" CXXFLAGS="${CXXFLAGS_FOR_BUILD}" \
+ LD="${LD_FOR_BUILD}" LDFLAGS="${LDFLAGS_FOR_BUILD}" \
+ GMPINC="" CPPFLAGS="${CPPFLAGS} -DGENERATOR_FILE" \
${realsrcdir}/configure \
--enable-languages=${enable_languages-all} \
--target=$target_alias --host=$build_alias --build=$build_alias
--
Alan Modra
Australia Development Lab, IBM
