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grub2/0092-Make-it-so-we-can-tell-configure-which-cflags-utils-.patch
Adam Williamson 5e72956199 Revert "Use my sort patch instead", fix BLS ostree detection 
This reverts commit 93004a8494,
because it broke Rawhide. It also tries to fixes BLS ostree
detection to work in chroots (e.g. during installation) by also
checking for /ostree/repo.
2022-03-22 18:32:24 -07:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Tue, 26 Jun 2018 17:16:06 -0400
Subject: [PATCH] Make it so we can tell configure which cflags utils are built
with
This lets us have kernel.img be built with TARGET_CFLAGS but grub-mkimage and
friends built with HOST_CFLAGS. That in turn lets us build with an ARM compiler
that only has hard-float ABI versions of crt*.o and libgcc*, but still use soft
float for grub.efi.
Signed-off-by: Peter Jones <pjones@redhat.com>
---
configure.ac | 49 ++++++++++++++++++++++++++++++++++++++++++++++++-
conf/Makefile.common | 23 ++++++++++++-----------
gentpl.py | 8 ++++----
3 files changed, 64 insertions(+), 16 deletions(-)
diff --git a/configure.ac b/configure.ac
index b50fb2e9897..b27573b3de5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -877,11 +877,23 @@ if ( test "x$target_cpu" = xi386 || test "x$target_cpu" = xx86_64 ) && test "x$p
TARGET_CFLAGS="$TARGET_CFLAGS -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow"
fi
+# Should grub utils get the host CFLAGS, or the target CFLAGS?
+AC_ARG_WITH([utils],
+ AS_HELP_STRING([--with-utils=host|target|build],
+ [choose which flags to build utilities with. (default=target)]),
+ [have_with_utils=y],
+ [have_with_utils=n])
+if test x"$have_with_utils" = xy ; then
+ with_utils="$withval"
+else
+ with_utils=target
+fi
+
# GRUB doesn't use float or doubles at all. Yet some toolchains may decide
# that floats are a good fit to run instead of what's written in the code.
# Given that floating point unit is disabled (if present to begin with)
# when GRUB is running which may result in various hard crashes.
-if test x"$platform" != xemu ; then
+if test x"$platform" != xemu -a x"$with_utils" == xtarget ; then
AC_CACHE_CHECK([for options to get soft-float], grub_cv_target_cc_soft_float, [
grub_cv_target_cc_soft_float=no
if test "x$target_cpu" = xarm64; then
@@ -2011,6 +2023,41 @@ HOST_CPPFLAGS="$HOST_CPPFLAGS -I\$(top_builddir)/include"
TARGET_CPPFLAGS="$TARGET_CPPFLAGS -I\$(top_srcdir)/include"
TARGET_CPPFLAGS="$TARGET_CPPFLAGS -I\$(top_builddir)/include"
+case "$with_utils" in
+ host)
+ UTILS_CFLAGS=$HOST_CFLAGS
+ UTILS_CPPFLAGS=$HOST_CPPFLAGS
+ UTILS_CCASFLAGS=$HOST_CCASFLAGS
+ UTILS_LDFLAGS=$HOST_LDFLAGS
+ ;;
+ target)
+ UTILS_CFLAGS=$TARGET_CFLAGS
+ UTILS_CPPFLAGS=$TARGET_CPPFLAGS
+ UTILS_CCASFLAGS=$TARGET_CCASFLAGS
+ UTILS_LDFLAGS=$TARGET_LDFLAGS
+ ;;
+ build)
+ UTILS_CFLAGS=$BUILD_CFLAGS
+ UTILS_CPPFLAGS=$BUILD_CPPFLAGS
+ UTILS_CCASFLAGS=$BUILD_CCASFLAGS
+ UTILS_LDFLAGS=$BUILD_LDFLAGS
+ ;;
+ *)
+ AC_MSG_ERROR([--with-utils must be either host, target, or build])
+ ;;
+esac
+AC_MSG_NOTICE([Using $with_utils flags for utilities.])
+
+unset CFLAGS
+unset CPPFLAGS
+unset CCASFLAGS
+unset LDFLAGS
+
+AC_SUBST(UTILS_CFLAGS)
+AC_SUBST(UTILS_CPPFLAGS)
+AC_SUBST(UTILS_CCASFLAGS)
+AC_SUBST(UTILS_LDFLAGS)
+
GRUB_TARGET_CPU="${target_cpu}"
GRUB_PLATFORM="${platform}"
diff --git a/conf/Makefile.common b/conf/Makefile.common
index 5f0ef969857..2ff9b39357c 100644
--- a/conf/Makefile.common
+++ b/conf/Makefile.common
@@ -40,24 +40,25 @@ CPPFLAGS_KERNEL = $(CPPFLAGS_CPU) $(CPPFLAGS_PLATFORM) -DGRUB_KERNEL=1
CCASFLAGS_KERNEL = $(CCASFLAGS_CPU) $(CCASFLAGS_PLATFORM)
STRIPFLAGS_KERNEL = -R .eh_frame -R .rel.dyn -R .reginfo -R .note -R .comment -R .drectve -R .note.gnu.gold-version -R .MIPS.abiflags -R .ARM.exidx -R .note.gnu.property -R .gnu.build.attributes
-CFLAGS_MODULE = $(CFLAGS_PLATFORM) -ffreestanding
-LDFLAGS_MODULE = $(LDFLAGS_PLATFORM) -nostdlib $(TARGET_LDFLAGS_OLDMAGIC) -Wl,-r,-d
-CPPFLAGS_MODULE = $(CPPFLAGS_CPU) $(CPPFLAGS_PLATFORM)
-CCASFLAGS_MODULE = $(CCASFLAGS_CPU) $(CCASFLAGS_PLATFORM)
+CFLAGS_MODULE = $(TARGET_CFLAGS) $(CFLAGS_PLATFORM) -ffreestanding
+LDFLAGS_MODULE = $(TARGET_LDFLAGS) $(LDFLAGS_PLATFORM) -nostdlib $(TARGET_LDFLAGS_OLDMAGIC) -Wl,-r,-d
+CPPFLAGS_MODULE = $(TARGET_CPPFLAGS) $(CPPFLAGS_DEFAULT) $(CPPFLAGS_CPU) $(CPPFLAGS_PLATFORM)
+CCASFLAGS_MODULE = $(TARGET_CCASFLAGS) $(CCASFLAGS_DEFAULT) $(CCASFLAGS_CPU) $(CCASFLAGS_PLATFORM)
CFLAGS_IMAGE = $(CFLAGS_PLATFORM) -fno-builtin
LDFLAGS_IMAGE = $(LDFLAGS_PLATFORM) -nostdlib $(TARGET_LDFLAGS_OLDMAGIC) -Wl,-S
CPPFLAGS_IMAGE = $(CPPFLAGS_CPU) $(CPPFLAGS_PLATFORM)
CCASFLAGS_IMAGE = $(CCASFLAGS_CPU) $(CCASFLAGS_PLATFORM)
-CFLAGS_PROGRAM =
-LDFLAGS_PROGRAM =
-CPPFLAGS_PROGRAM =
-CCASFLAGS_PROGRAM =
+CFLAGS_PROGRAM = $(UTILS_CFLAGS)
+LDFLAGS_PROGRAM = $(UTILS_LDFLAGS)
+CPPFLAGS_PROGRAM = $(UTILS_CPPFLAGS)
+CCASFLAGS_PROGRAM = $(UTILS_CCASFLAGS)
-CFLAGS_LIBRARY =
-CPPFLAGS_LIBRARY =
-CCASFLAGS_LIBRARY =
+CFLAGS_LIBRARY = $(UTILS_CFLAGS)
+LDFLAGS_LIBRARY = $(UTILS_LDFLAGS)
+CPPFLAGS_LIBRARY = $(UTILS_CPPFLAGS)
+CCASFLAGS_LIBRARY = $(UTILS_CCASFLAGS)
# Other variables
diff --git a/gentpl.py b/gentpl.py
index 34a4eba2b42..59f62ef9522 100644
--- a/gentpl.py
+++ b/gentpl.py
@@ -697,10 +697,10 @@ def module(defn, platform):
var_set(cname(defn) + "_SOURCES", platform_sources(defn, platform) + " ## platform sources")
var_set("nodist_" + cname(defn) + "_SOURCES", platform_nodist_sources(defn, platform) + " ## platform nodist sources")
var_set(cname(defn) + "_LDADD", platform_ldadd(defn, platform))
- var_set(cname(defn) + "_CFLAGS", "$(AM_CFLAGS) $(CFLAGS_MODULE) " + platform_cflags(defn, platform))
- var_set(cname(defn) + "_LDFLAGS", "$(AM_LDFLAGS) $(LDFLAGS_MODULE) " + platform_ldflags(defn, platform))
- var_set(cname(defn) + "_CPPFLAGS", "$(AM_CPPFLAGS) $(CPPFLAGS_MODULE) " + platform_cppflags(defn, platform))
- var_set(cname(defn) + "_CCASFLAGS", "$(AM_CCASFLAGS) $(CCASFLAGS_MODULE) " + platform_ccasflags(defn, platform))
+ var_set(cname(defn) + "_CFLAGS", "$(CFLAGS_MODULE) " + platform_cflags(defn, platform))
+ var_set(cname(defn) + "_LDFLAGS", "$(LDFLAGS_MODULE) " + platform_ldflags(defn, platform))
+ var_set(cname(defn) + "_CPPFLAGS", "$(CPPFLAGS_MODULE) " + platform_cppflags(defn, platform))
+ var_set(cname(defn) + "_CCASFLAGS", "$(CCASFLAGS_MODULE) " + platform_ccasflags(defn, platform))
var_set(cname(defn) + "_DEPENDENCIES", "$(TARGET_OBJ2ELF) " + platform_dependencies(defn, platform))
gvar_add("dist_noinst_DATA", extra_dist(defn))
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