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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Paulo Flabiano Smorigo <pfsmorigo@linux.vnet.ibm.com>
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Date: Wed, 13 Aug 2014 18:59:58 +0000
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Subject: [PATCH] Add powerpc little-endian (ppc64le) flags
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libgcc dependency was removed *just* for this target because
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the distros that use ppc64el doesn't have 32-bit support on it.
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* configure.ac: Add targets for powerpc64el and skip libgcc.
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* Makefile.am: Likewise.
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---
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configure.ac | 17 +++++++++++++++--
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grub-core/Makefile.am | 2 ++
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2 files changed, 17 insertions(+), 2 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index 2632e2dad9b..53fd7c73ee6 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -142,6 +142,7 @@ if test "x$with_platform" = x; then
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x86_64-*) platform=pc ;;
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powerpc-*) platform=ieee1275 ;;
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powerpc64-*) platform=ieee1275 ;;
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+ powerpc64le-*) platform=ieee1275 ;;
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sparc64-*) platform=ieee1275 ;;
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mipsel-*) platform=loongson ;;
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mips-*) platform=arc ;;
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@@ -160,6 +161,7 @@ case "$target_cpu"-"$platform" in
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x86_64-xen) ;;
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x86_64-*) target_cpu=i386 ;;
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powerpc64-ieee1275) target_cpu=powerpc ;;
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+ powerpc64le-ieee1275) target_cpu=powerpc ;;
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esac
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# Check if the platform is supported, make final adjustments.
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@@ -604,6 +606,13 @@ if test "x$target_cpu" = xi386 && test "x$platform" != xemu; then
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TARGET_CFLAGS="$TARGET_CFLAGS -march=i386"
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fi
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+if test x$target_cpu = xpowerpc && test x$ac_cv_c_bigendian = xno; then
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+ LD_FORCE_LE=1
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+ TARGET_CFLAGS="$TARGET_CFLAGS -mbig-endian -DNO_LIBGCC=1"
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+ TARGET_CCASFLAGS="$TARGET_CCASFLAGS -mbig-endian"
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+ TARGET_LDFLAGS="$TARGET_LDFLAGS -static -mbig-endian"
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+fi
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+
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if test "x$target_m32" = x1; then
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# Force 32-bit mode.
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TARGET_CFLAGS="$TARGET_CFLAGS -m32"
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@@ -1047,7 +1056,8 @@ else
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CFLAGS="$TARGET_CFLAGS -nostdlib -Wno-error"
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fi
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CPPFLAGS="$TARGET_CPPFLAGS"
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-if test x$target_cpu = xi386 || test x$target_cpu = xx86_64 || test "x$grub_cv_cc_target_clang" = xyes ; then
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+if test x$target_cpu = xi386 || test x$target_cpu = xx86_64 || test "x$grub_cv_cc_target_clang" = xyes \
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+ || ( test x$target_cpu = xpowerpc && test x$ac_cv_c_bigendian = xno ); then
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TARGET_LIBGCC=
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else
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TARGET_LIBGCC=-lgcc
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@@ -1631,7 +1641,9 @@ if test x"$enable_werror" != xno ; then
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HOST_CFLAGS="$HOST_CFLAGS -Werror"
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fi
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-if test "x$grub_cv_cc_target_clang" = xno; then
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+# if not clang or power LE, use static libgcc
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+if test "x$grub_cv_cc_target_clang" = xno \
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+ || ! ( test x$target_cpu = xpowerpc && test x$ac_cv_c_bigendian = xno ); then
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TARGET_LDFLAGS_STATIC_LIBGCC="-static-libgcc"
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else
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TARGET_LDFLAGS_STATIC_LIBGCC=
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@@ -1694,6 +1706,7 @@ AM_CONDITIONAL([COND_mips_arc], [test "(" x$target_cpu = xmips -o x$target_cpu =
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AM_CONDITIONAL([COND_sparc64_ieee1275], [test x$target_cpu = xsparc64 -a x$platform = xieee1275])
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AM_CONDITIONAL([COND_sparc64_emu], [test x$target_cpu = xsparc64 -a x$platform = xemu])
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AM_CONDITIONAL([COND_powerpc_ieee1275], [test x$target_cpu = xpowerpc -a x$platform = xieee1275])
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+AM_CONDITIONAL([COND_powerpc_le], [test x$target_cpu = xpowerpc -a x$ac_cv_c_bigendian = xno])
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AM_CONDITIONAL([COND_mips], [test x$target_cpu = xmips -o x$target_cpu = xmipsel])
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AM_CONDITIONAL([COND_mipsel], [test x$target_cpu = xmipsel])
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AM_CONDITIONAL([COND_mipseb], [test x$target_cpu = xmips])
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diff --git a/grub-core/Makefile.am b/grub-core/Makefile.am
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index 5c087c83b8f..cb7fd9f98e8 100644
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--- a/grub-core/Makefile.am
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+++ b/grub-core/Makefile.am
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@@ -84,8 +84,10 @@ KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/time.h
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KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/mm_private.h
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KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/net.h
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if !COND_clang
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+if !COND_powerpc_le
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KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/libgcc.h
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endif
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+endif
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KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/memory.h
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if COND_i386_pc
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