From a0d7a4587584b1c217183d7f17a2d55ab44aaf3a Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sat, 21 Jan 2012 05:59:49 -0800
Subject: libubacktrace: Add arm implementation

Arm has a different mechanism of getting
_Unwind_GetIP. Therefore we provide arch
specific backtrace file.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 libubacktrace/Makefile.in | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

(limited to 'libubacktrace/Makefile.in')

diff --git a/libubacktrace/Makefile.in b/libubacktrace/Makefile.in
index b18e3e675..f675bf579 100644
--- a/libubacktrace/Makefile.in
+++ b/libubacktrace/Makefile.in
@@ -6,7 +6,7 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-subdirs += libubacktrace
+subdirs += libubacktrace libubacktrace/$(TARGET_ARCH)
 
 CFLAGS-libubacktrace := -DNOT_IN_libc -DIS_IN_libubacktrace $(SSP_ALL_CFLAGS)
 
@@ -23,22 +23,36 @@ libubacktrace_FULL_NAME := libubacktrace-$(VERSION).so
 libubacktrace_DIR := $(top_srcdir)libubacktrace
 libubacktrace_OUT := $(top_builddir)libubacktrace
 
+libubacktrace_ARCH_DIR:=$(libubacktrace_DIR)/$(TARGET_ARCH)
+libubacktrace_ARCH_OUT:=$(libubacktrace_OUT)/$(TARGET_ARCH)
+
+-include $(libubacktrace_ARCH_DIR)/Makefile.arch
+
 libubacktrace_SRC-y :=
 libubacktrace_SRC-$(UCLIBC_HAS_BACKTRACE) := backtrace.c backtracesyms.c backtracesymsfd.c
 
+# remove generic sources, if arch specific version is present
+ifneq ($(strip $(libubacktrace_ARCH_SRC-y)),)
+libubacktrace_SRC-y := $(filter-out $(notdir $(libubacktrace_ARCH_SRC-y)),$(libubacktrace_SRC-y))
+endif
+
 # -fasynchronous-unwind-tables is required for backtrace to work using dwarf2
 CFLAGS-backtrace.c := -fasynchronous-unwind-tables
 
+# pass common flags to arch dirs
+ifneq ($(strip $(libubacktrace_ARCH_OBJS)),)
+CFLAGS-libubacktrace/$(TARGET_ARCH)/ := $(CFLAGS-libubacktrace)
+endif
 
-libubacktrace_SRCS := $(addprefix $(libubacktrace_DIR)/,$(libubacktrace_SRC-y))
+libubacktrace_SRCS := $(patsubst %.c,$(libubacktrace_DIR)/%.c,$(libubacktrace_SRC-y))
 libubacktrace_OBJS := $(patsubst $(libubacktrace_DIR)/%.c,$(libubacktrace_OUT)/%.o,$(libubacktrace_SRCS))
 
 ifeq ($(DOPIC),y)
-libubacktrace-a-y := $(libubacktrace_OBJS:.o=.os)
+libubacktrace-a-y += $(libubacktrace_OBJS:.o=.os)
 else
-libubacktrace-a-y := $(libubacktrace_OBJS)
+libubacktrace-a-y += $(libubacktrace_OBJS)
 endif
-libubacktrace-so-y := $(libubacktrace_OBJS:.o=.os)
+libubacktrace-so-y += $(libubacktrace_OBJS:.o=.os)
 
 lib-a-$(UCLIBC_HAS_BACKTRACE) += $(top_builddir)lib/libubacktrace.a
 lib-so-$(UCLIBC_HAS_BACKTRACE) += $(top_builddir)lib/libubacktrace.so
@@ -61,7 +75,7 @@ $(libubacktrace_OUT)/libubacktrace_so.a: $(libubacktrace-so-y)
 	$(Q)$(RM) $@
 	$(do_ar)
 
-$(libubacktrace_OUT)/libubacktrace.oS: $(libubacktrace_SRCS)
+$(libubacktrace_OUT)/libubacktrace.oS: $(libubacktrace_SRCS) $(libubacktrace_ARCH_SRCS)
 	$(Q)$(RM) $@
 	$(compile-m)
 
-- 
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