From 4fff5ab24126a152b50c036b9bf8dc6f2740f094 Mon Sep 17 00:00:00 2001 From: John Doe Date: Fri, 27 Nov 2020 00:12:08 +0100 Subject: [PATCH] gnu: libffi: Add unreleased patch to fix float128 on powerpc64le. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * gnu/packages/patches/libffi-float128-powerpc64le.patch: Import patch file from . * gnu/packages/libffi.scm (libffi)[patches]: Apply patch. * gnu/local.mk (dist_patch_DATA): Add patch file to build system. Signed-off-by: Ludovic Courtès --- gnu/local.mk | 1 + gnu/packages/libffi.scm | 3 +- .../patches/libffi-float128-powerpc64le.patch | 58 +++++++++++++++++++ 3 files changed, 61 insertions(+), 1 deletion(-) create mode 100644 gnu/packages/patches/libffi-float128-powerpc64le.patch diff --git a/gnu/local.mk b/gnu/local.mk index f9fed30a3f..3282394eec 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -1185,6 +1185,7 @@ dist_patch_DATA = \ %D%/packages/patches/jfsutils-include-systypes.patch \ %D%/packages/patches/julia-SOURCE_DATE_EPOCH-mtime.patch \ %D%/packages/patches/kdbusaddons-kinit-file-name.patch \ + %D%/packages/patches/libffi-float128-powerpc64le.patch \ %D%/packages/patches/libvirt-create-machine-cgroup.patch \ %D%/packages/patches/libziparchive-add-includes.patch \ %D%/packages/patches/localed-xorg-keyboard.patch \ diff --git a/gnu/packages/libffi.scm b/gnu/packages/libffi.scm index 0e6a31d78c..0db8fa3e82 100644 --- a/gnu/packages/libffi.scm +++ b/gnu/packages/libffi.scm @@ -51,7 +51,8 @@ (define-public libffi (sha256 (base32 "0mi0cpf8aa40ljjmzxb7im6dbj45bb0kllcd09xgmp834y9agyvj")) - (patches (search-patches "libffi-3.3-powerpc-fixes.patch")))) + (patches (search-patches "libffi-3.3-powerpc-fixes.patch" + "libffi-float128-powerpc64le.patch")))) (build-system gnu-build-system) (arguments `(;; Prevent the build system from passing -march and -mtune to the diff --git a/gnu/packages/patches/libffi-float128-powerpc64le.patch b/gnu/packages/patches/libffi-float128-powerpc64le.patch new file mode 100644 index 0000000000..4fd32b0102 --- /dev/null +++ b/gnu/packages/patches/libffi-float128-powerpc64le.patch @@ -0,0 +1,58 @@ +From de93adfb6f48100946bba2c3abad2a77a0cfde0b Mon Sep 17 00:00:00 2001 +From: Fabrice Fontaine +Date: Sun, 24 Nov 2019 09:52:01 +0100 +Subject: [PATCH] ffi_powerpc.h: fix build failure with powerpc7 + +This is a patch pulled down from the following: +https://github.com/buildroot/buildroot/blob/78926f610b1411b03464152472fd430012deb9ac/package/libffi/0004-ffi_powerpc.h-fix-build-failure-with-powerpc7.patch + +This issue is being hit on OpenBMC code when pulling the latest +libffi tag and building on a P8 ppc64le machine. I verified this +patch fixes the issue we are seeing. + +Below is the original commit message: + +Sicne commit 73dd43afc8a447ba98ea02e9aad4c6898dc77fb0, build on powerpc7 +fails on: + +In file included from ../src/powerpc/ffi.c:33:0: +../src/powerpc/ffi_powerpc.h:61:9: error: '_Float128' is not supported on this target + typedef _Float128 float128; + ^~~~~~~~~ + +Fix this build failure by checking for __HAVE_FLOAT128 before using +_Float128, as _Float128 is enabled only on specific conditions, see +output/host/powerpc64-buildroot-linux-gnu/sysroot/usr/include/bits/floatn.h: + + /* Defined to 1 if the current compiler invocation provides a + floating-point type with the IEEE 754 binary128 format, and this glibc + includes corresponding *f128 interfaces for it. */ + #if defined _ARCH_PWR8 && defined __LITTLE_ENDIAN__ && (_CALL_ELF == 2) \ + && defined __FLOAT128__ && !defined __NO_LONG_DOUBLE_MATH + # define __HAVE_FLOAT128 1 + #else + # define __HAVE_FLOAT128 0 + #endif + +Fixes: + - http://autobuild.buildroot.org/results/5c9dd8fb3b6a128882b6250f197c80232d8a3b53 + +Signed-off-by: Fabrice Fontaine +Signed-off-by: Andrew Geissler +--- + src/powerpc/ffi_powerpc.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/powerpc/ffi_powerpc.h b/src/powerpc/ffi_powerpc.h +index 8e2f2f0e..960a5c42 100644 +--- a/src/powerpc/ffi_powerpc.h ++++ b/src/powerpc/ffi_powerpc.h +@@ -57,7 +57,7 @@ typedef union + double d; + } ffi_dblfl; + +-#if defined(__FLOAT128_TYPE__) ++#if defined(__FLOAT128_TYPE__) && defined(__HAVE_FLOAT128) + typedef _Float128 float128; + #elif defined(__FLOAT128__) + typedef __float128 float128;