From 95e23defb085ee1a846ec2d379368485921d5aee Mon Sep 17 00:00:00 2001
From: Michael Sevakis <jethead71@rockbox.org>
Date: Tue, 16 Apr 2013 17:47:58 -0400
Subject: Make fixepoint.c as a shared library (libfixedpoint.a).

Change-Id: Icc10d6e85f890c432f191233a4d64e09f00be43d
Reviewed-on: http://gerrit.rockbox.org/456
Reviewed-by: Michael Sevakis <jethead71@rockbox.org>
Tested-by: Michael Sevakis <jethead71@rockbox.org>
---
 tools/root.make | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

(limited to 'tools/root.make')

diff --git a/tools/root.make b/tools/root.make
index c2d061b0eb..6d623595fa 100644
--- a/tools/root.make
+++ b/tools/root.make
@@ -17,6 +17,7 @@ INCLUDES = -I$(BUILDDIR) -I$(BUILDDIR)/lang $(TARGET_INC)
 CFLAGS = $(INCLUDES) $(DEFINES) $(GCCOPTS) 
 PPCFLAGS = $(filter-out -g -Dmain=SDL_main,$(CFLAGS)) # cygwin sdl-config fix
 ASMFLAGS = -D__ASSEMBLER__      # work around gcc 3.4.x bug with -std=gnu99, only meant for .S files
+CORE_LDOPTS = $(GLOBAL_LDOPTS)  # linker ops specifically for core build
 
 TOOLS = $(TOOLSDIR)/rdf2binary $(TOOLSDIR)/convbdf \
 	$(TOOLSDIR)/codepages $(TOOLSDIR)/scramble $(TOOLSDIR)/bmp2rb \
@@ -90,10 +91,15 @@ ifndef APP_TYPE
   endif
 endif
 
+ifeq (,$(findstring bootloader,$(APPSDIR)))
+  ifeq (,$(findstring checkwps,$(APP_TYPE)))
+    include $(ROOTDIR)/lib/fixedpoint/fixedpoint.make
+  endif
+endif
+
 ifneq (,$(findstring bootloader,$(APPSDIR)))
   include $(APPSDIR)/bootloader.make
 else ifneq (,$(findstring bootbox,$(APPSDIR)))
-  BOOTBOXLDOPTS = -Wl,--gc-sections
   include $(APPSDIR)/bootbox.make
 else ifneq (,$(findstring checkwps,$(APP_TYPE)))
   include $(APPSDIR)/checkwps.make
@@ -104,10 +110,10 @@ else ifneq (,$(findstring warble,$(APP_TYPE)))
   include $(ROOTDIR)/lib/rbcodec/test/warble.make
   include $(ROOTDIR)/lib/tlsf/libtlsf.make
   include $(ROOTDIR)/lib/rbcodec/rbcodec.make
-else
+else # core
   include $(APPSDIR)/apps.make
-  include $(ROOTDIR)/lib/rbcodec/rbcodec.make
   include $(APPSDIR)/lang/lang.make
+  include $(ROOTDIR)/lib/rbcodec/rbcodec.make
 
   ifdef ENABLEDPLUGINS
     include $(APPSDIR)/plugins/bitmaps/pluginbitmaps.make
@@ -132,6 +138,14 @@ else
 
 endif # bootloader
 
+# One or more subdir makefiles requested --gc-sections?
+ifdef CORE_GCSECTIONS
+  # Do not use '--gc-sections' when compiling sdl-sim
+  ifneq ($(findstring sdl-sim, $(APP_TYPE)), sdl-sim)
+    CORE_LDOPTS += -Wl,--gc-sections
+  endif
+endif # CORE_GCSECTIONS
+
 OBJ := $(SRC:.c=.o)
 OBJ := $(OBJ:.S=.o)
 OBJ += $(BMP:.bmp=.o)
@@ -205,16 +219,16 @@ $(BUILDDIR)/rockbox.elf : $$(OBJ) $(FIRMLIB) $(VOICESPEEXLIB) $(CORE_LIBS) $$(LI
 		-L$(BUILDDIR)/firmware -lfirmware \
 		-L$(RBCODEC_BLD)/codecs $(call a2lnk, $(VOICESPEEXLIB)) \
 		-L$(BUILDDIR)/lib $(call a2lnk, $(CORE_LIBS)) \
-		-lgcc $(BOOTBOXLDOPTS) $(GLOBAL_LDOPTS) \
-		-T$(LINKRAM) -Wl,-Map,$(BUILDDIR)/rockbox.map
+		-lgcc -T$(LINKRAM) \
+		$(CORE_LDOPTS) -Wl,-Map,$(BUILDDIR)/rockbox.map
 
 $(BUILDDIR)/rombox.elf : $$(OBJ) $(FIRMLIB) $(VOICESPEEXLIB) $(CORE_LIBS) $$(LINKROM)
 	$(call PRINTS,LD $(@F))$(CC) $(GCCOPTS) -Os -nostdlib -o $@ $(OBJ) \
 		-L$(BUILDDIR)/firmware -lfirmware \
 		-L$(RBCODEC_BLD)/codecs $(call a2lnk, $(VOICESPEEXLIB)) \
 		-L$(BUILDDIR)/lib $(call a2lnk, $(CORE_LIBS)) \
-		-lgcc $(BOOTBOXLDOPTS) $(GLOBAL_LDOPTS) \
-		-T$(LINKROM) -Wl,-Map,$(BUILDDIR)/rombox.map
+		-lgcc -T$(LINKROM) \
+		$(CORE_LDOPTS) -Wl,-Map,$(BUILDDIR)/rombox.map
 
 $(BUILDDIR)/rockbox.bin : $(BUILDDIR)/rockbox.elf
 	$(call PRINTS,OC $(@F))$(call objcopy,$<,$@)
-- 
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