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klibc: Pass Optimization with KLIBCOPTFLAGS

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Overriding KLIBCOPTFLAGS also meant that -Ox flags
were taken off. Which results in errors like

| usr/dash/shell.h: In function 'max_int_length':
| usr/dash/shell.h:103:25: error: '-mgeneral-regs-only' is incompatible with floating-point code
|   return (bytes * 8 - 1) * 0.30102999566398119521 + 14;
|          ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
| usr/dash/shell.h:103:25: error: '-mgeneral-regs-only' is incompatible with floating-point argument

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
This commit is contained in:
Khem Raj
2017-10-02 09:06:53 -07:00
committed by Martin Jansa
parent 1ca33a5677
commit c296fb707a
2 changed files with 36 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta-initramfs/recipes-devtools/klibc/klibc-2.0.4/0001-arm-Do-not-set-a-fallback-march-and-mtune.patch
+33
View File
@@ -0,0 +1,33 @@
From a46a144ac883898d9cedf7a0b13aec6d10116125 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Fri, 29 Sep 2017 23:11:53 -0700
Subject: [PATCH] arm: Do not set a fallback march and mtune
In OE we pass the options explicitly, there is
no need to set it inside the makefiles, we will
need to compute values for CPU_ARCH and CPU_TUNE
which is a bit harder in OE
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
Upstream-Status: Pending
usr/klibc/arch/arm/MCONFIG | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/usr/klibc/arch/arm/MCONFIG b/usr/klibc/arch/arm/MCONFIG
index 53bc1dc3..857e2f2d 100644
--- a/usr/klibc/arch/arm/MCONFIG
+++ b/usr/klibc/arch/arm/MCONFIG
@@ -10,7 +10,7 @@
CPU_ARCH ?= armv4
CPU_TUNE ?= strongarm
-KLIBCOPTFLAGS += -Os -march=$(CPU_ARCH) -mtune=$(CPU_TUNE)
+KLIBCOPTFLAGS += -Os
KLIBCBITSIZE = 32
KLIBCREQFLAGS += -fno-exceptions
KLIBCSTRIPFLAGS += -R .ARM.exidx
--
2.14.2