From: Keir Fraser <keir.fraser@citrix.com>
Date: Mon, 17 Mar 2008 11:02:40 +0000 (+0000)
Subject: Add -fno-optimize-sibling-calls to debug CFLAGS. Also get rid of ?=
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14247^2~70
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=e78de9b54af8c678547146555feeeca765ae18fe;p=xen.git

Add -fno-optimize-sibling-calls to debug CFLAGS. Also get rid of ?=
assignment to CFLAGS.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
---

diff --git a/config/StdGNU.mk b/config/StdGNU.mk
index 82a99d3f11..c020357654 100644
--- a/config/StdGNU.mk
+++ b/config/StdGNU.mk
@@ -41,9 +41,8 @@ SONAME_LDFLAG = -soname
 SHLIB_CFLAGS = -shared
 
 ifneq ($(debug),y)
-# Optimisation flags are overridable
-CFLAGS ?= -O2 -fomit-frame-pointer
+CFLAGS += -O2 -fomit-frame-pointer
 else
 # Less than -O1 produces bad code and large stack frames
-CFLAGS ?= -O1 -fno-omit-frame-pointer
+CFLAGS += -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls
 endif
diff --git a/config/SunOS.mk b/config/SunOS.mk
index c2a5594000..61fa489c27 100644
--- a/config/SunOS.mk
+++ b/config/SunOS.mk
@@ -45,11 +45,10 @@ SONAME_LDFLAG = -h
 SHLIB_CFLAGS = -R $(SunOS_LIBDIR) -shared
 
 ifneq ($(debug),y)
-# Optimisation flags are overridable
-CFLAGS ?= -O2 -fno-omit-frame-pointer
+CFLAGS += -O2 -fno-omit-frame-pointer
 else
 # Less than -O1 produces bad code and large stack frames
-CFLAGS ?= -O1 -fno-omit-frame-pointer
+CFLAGS += -O1 -fno-omit-frame-pointer
 endif
 
 CFLAGS += -Wa,--divide -D_POSIX_C_SOURCE=200112L -D__EXTENSIONS__