| From 8474d78c459f4ec8f8930094faeaacb2b77bf68f Mon Sep 17 00:00:00 2001 |
| From: "H.J. Lu" <hongjiu.lu@intel.com> |
| Date: Fri, 20 Dec 2013 14:36:01 -0500 |
| Subject: [PATCH] Add x32 support to config.guess |
| |
| GCC on Linux/x86-64 may be configured for x32: |
| |
| https://sites.google.com/site/x32abi/ |
| |
| by default and the Linux/x32 target should be x86_64-VENDOR-linux-gnux32. |
| This patch adds x32 support to config.guess. OK to install? |
| |
| URL: http://gcc.gnu.org/ml/gcc-patches/2012-08/msg01083.html |
| --- |
| config.guess | 13 ++++++++++++- |
| 1 file changed, 12 insertions(+), 1 deletion(-) |
| |
| diff --git a/config.guess b/config.guess |
| index fddac42..17a4f70 100755 |
| --- a/config.guess |
| +++ b/config.guess |
| @@ -1038,7 +1038,18 @@ EOF |
| echo ${UNAME_MACHINE}-dec-linux-${LIBC} |
| exit ;; |
| x86_64:Linux:*:*) |
| - echo ${UNAME_MACHINE}-pc-linux-${LIBC} |
| + eval $set_cc_for_build |
| + X86_64_ABI= |
| + # If there is a compiler, see if it is configured for 32-bit objects. |
| + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then |
| + if (echo '#ifdef __ILP32__'; echo IS_X32; echo '#endif') | \ |
| + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ |
| + grep IS_X32 >/dev/null |
| + then |
| + X86_64_ABI=x32 |
| + fi |
| + fi |
| + echo ${UNAME_MACHINE}-pc-linux-${LIBC}${X86_64_ABI} |
| exit ;; |
| xtensa*:Linux:*:*) |
| echo ${UNAME_MACHINE}-unknown-linux-${LIBC} |
| -- |
| 2.4.4 |
| |
