From 132422d9ab705bf8684939f425eab7780e58c2bc Mon Sep 17 00:00:00 2001
From: Martin Storsjo <martin@martin.st>
Date: Mon, 13 May 2013 01:16:09 +0300
Subject: [PATCH] Add an option for building for arm in thumb mode

Change-Id: I5a46645064c2fe1c13287cf06c3244820b4e699e
---
 build/make/configure.sh | 6 ++++++
 configure               | 1 +
 2 files changed, 7 insertions(+)

diff --git a/build/make/configure.sh b/build/make/configure.sh
index 71efa99..7070ec0 100755
--- a/build/make/configure.sh
+++ b/build/make/configure.sh
@@ -88,6 +88,7 @@ Build options:
   ${toggle_debug}             enable/disable debug mode
   ${toggle_gprof}             enable/disable gprof profiling instrumentation
   ${toggle_gcov}              enable/disable gcov coverage instrumentation
+  ${toggle_thumb}             enable/disable building arm assembly in thumb mode
 
 Install options:
   ${toggle_install_docs}      control whether docs are installed
@@ -819,6 +820,11 @@ EOF
 
             enabled debug && add_asflags -g
             asm_conversion_cmd="${source_path}/build/make/ads2gas.pl"
+            if enabled thumb; then
+                asm_conversion_cmd="$asm_conversion_cmd -thumb"
+                check_add_cflags -mthumb
+                check_add_asflags -mthumb -mimplicit-it=always
+            fi
             ;;
         rvct)
             CC=armcc
diff --git a/configure b/configure
index 5f2c391..f10e6ad 100755
--- a/configure
+++ b/configure
@@ -317,6 +317,7 @@ CMDLINE_SELECT="
     optimizations
     ccache
     runtime_cpu_detect
+    thumb
 
     libs
     examples
-- 
2.7.4