[coreboot-gerrit] New patch to review for coreboot: buildgcc: Deal with gmp on 32bit Linux on 64bit CPUs

[Patrick Georgi (pgeorgi@google.com)]

Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10792

-gerrit

commit 5d9f1bc10129f1ebc27a60da6d25bbb0ff0de2df
Author: Patrick Georgi <patrick at georgi-clan.de>
Date:   Sat Jul 4 17:45:54 2015 +0200

    buildgcc: Deal with gmp on 32bit Linux on 64bit CPUs
    
    GMP is overeager to detect 64bit ABIs even if the entire running codebase is
    32bit (but on a 64bit CPU). Enforce a 32bit build in that situation.
    
    Change-Id: I23e9e57f3c8b0e3ad2e4e1e3eb106f7830aa76a1
    Signed-off-by: Patrick Georgi <patrick at georgi-clan.de>
---
 util/crossgcc/buildgcc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index b78b141..e0b4ed4 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -615,6 +615,12 @@ if [ $UNAME = "Darwin" ]; then
 	if $CC -v 2>&1 | grep -q LLVM; then
 		CC=llvm-gcc
 	fi
+elif [ $UNAME = "Linux" ]; then
+	# gmp is overeager with detecting 64bit CPUs even if they run
+	# a 32bit kernel and userland.
+	if [ "$(uname -m 2>/dev/null)" = "i686" ]; then
+		OPTIONS="ABI=32"
+	fi
 fi
 fi # GCC