forked from Archive/PX4-Autopilot
Add support for building 32-bit simulation on a 64-bit target
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4307 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
parent
31c714f387
commit
88094197cb
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@ -2374,3 +2374,5 @@
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one APB2 timer.
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* arch/mips/src/pic32mx/pic32mx-ethernet.c: The PIC32 Ethernet driver is
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code complete, but still untested.
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* confgs/sim/*/Make.defs and arch/sim/src/Makefile: Add support for building
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a 32-bit executable on a 64-bit Linux target.
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19
nuttx/TODO
19
nuttx/TODO
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@ -1,4 +1,4 @@
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NuttX TODO List (Last updated January 3, 2012)
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NuttX TODO List (Last updated January 17, 2012)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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This file summarizes known NuttX bugs, limitations, inconsistencies with
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@ -21,7 +21,7 @@ nuttx/
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(1) Pascal add-on (pcode/)
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(1) Documentation (Documentation/)
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(7) Build system / Toolchains
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(6) Linux/Cywgin simulation (arch/sim)
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(5) Linux/Cywgin simulation (arch/sim)
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(4) ARM (arch/arm/)
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(1) ARM/C5471 (arch/arm/src/c5471/)
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(3) ARM/DM320 (arch/arm/src/dm320/)
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@ -752,21 +752,6 @@ o Linux/Cywgin simulation (arch/sim)
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Status: Open
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Priority: Low (because the simulator is only a test/development platform)
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Title: SIMULATOR BUILD ON 64-BIT MACHINES
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Description: Simulator does not build correctly on 64-bit machines. Two
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issues:
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1) It saves addresses in 32-bit types and these fail when cast
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to pointers on a 64-bit host.
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2) up_setjmp.S does not build
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Status: Open
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Priority: Medium and increasing (as 32-bit hosts gradually disappear). NOTE
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is it possible to work-around this limitation by building the sim
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target for 32-bit operation on a 64-bit platform. Modify the
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Make.defs file in the appropriate places so that -m32 is included
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in the CFLAGS and -m32 and -melf_386 are included in the LDFLAGS.
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See the patch 0001-Quick-hacks-to-build-sim-nsh-ostest-on-x86_64-as-32-.patch
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that can be found at http://tech.groups.yahoo.com/group/nuttx/files.
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Title: SIMULATOR NETWORKING SUPPORT
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Description: I never did get networking to work on the sim Linux target. On Linux,
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it tries to use the tap device (/dev/net/tun) to emulate an Ethernet
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@ -1,8 +1,8 @@
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############################################################################
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# arch/sim/src/Makefile
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#
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# Copyright (C) 2007, 2008, 2011 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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# Copyright (C) 2007, 2008, 2011-2012 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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@ -87,8 +87,6 @@ HOSTOBJS = $(HOSTSRCS:.c=$(OBJEXT))
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SRCS = $(ASRCS) $(CSRCS) $(HOSTSRCS)
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OBJS = $(AOBJS) $(COBJS) $(HOSTOBJS)
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LDFLAGS = $(ARCHSCRIPT)
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# Determine which standard libraries will need to be linked in
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ifeq ($(CONFIG_SIM_X11FB),y)
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@ -173,7 +171,7 @@ Cygwin-names.dat: nuttx-names.dat
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nuttx.rel : libarch$(LIBEXT) board/libboard$(LIBEXT) $(HOSTOS)-names.dat $(LINKOBJS)
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@echo "LD: nuttx.rel"
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@$(LD) -r $(LDFLAGS) $(LDPATHS) -o $@ $(REQUIREDOBJS) --start-group $(LDLIBS) --end-group $(EXTRA_LIBS)
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@$(LD) -r $(LDLINKFLAGS) $(LDPATHS) -o $@ $(REQUIREDOBJS) --start-group $(LDLIBS) --end-group $(EXTRA_LIBS)
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@$(OBJCOPY) --redefine-syms=$(HOSTOS)-names.dat $@
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# Generate the final NuttX binary by linking the host-specific objects with the NuttX
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@ -181,7 +179,7 @@ nuttx.rel : libarch$(LIBEXT) board/libboard$(LIBEXT) $(HOSTOS)-names.dat $(LINKO
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nuttx$(EXEEXT): cleanrel nuttx.rel $(HOSTOBJS)
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@echo "LD: nuttx$(EXEEXT)"
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@$(CC) $(LDFLAGS) $(LDPATHS) -o $(TOPDIR)/$@ nuttx.rel $(HOSTOBJS) $(DRVLIB) $(STDLIBS)
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@$(CC) $(CCLINKFLAGS) $(LDPATHS) -o $(TOPDIR)/$@ nuttx.rel $(HOSTOBJS) $(DRVLIB) $(STDLIBS)
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@$(NM) $(TOPDIR)/$@ | \
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grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
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sort > $(TOPDIR)/System.map
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@ -97,10 +97,15 @@ addresses should not be retained in uint32_t types but rather in uintptr_t types
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to avoid issues just like this.
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The workaround on 64-bit machines for now is to build for a 32-bit target on the
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64-bit machine. This workaround involves modifying the Make.defs file in the
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64-bit machine. The workaround for this issue has been included in NuttX 6.15 and
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beyond. For thoses versions, you must add CONFIG_SIM_M32=y to the .config file in
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order to enable building a 32-bit image on a 64-bit platform.
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For older versions of NuttX, a patch also exists. The patch the Make.defs file in the
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appropriate places so that -m32 is included in the CFLAGS and -m32 and -melf_386
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are included in the LDFLAGS. See the patch 0001-Quick-hacks-to-build-sim-nsh-ostest-on-x86_64-as-32-.patch
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that can be found at http://tech.groups.yahoo.com/group/nuttx/files.
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are included in the LDFLAGS. See the patch
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0001-Quick-hacks-to-build-sim-nsh-ostest-on-x86_64-as-32-.patch that can be found at
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http://tech.groups.yahoo.com/group/nuttx/files.
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Stack Size Issues
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-----------------
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@ -1,7 +1,7 @@
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############################################################################
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# configs/sim/mount/Make.defs
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#
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# Copyright (C) 2008, 2011 Gregory Nutt. All rights reserved.
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# Copyright (C) 2008, 2011-2012 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHSCRIPT =
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ifeq ($(CONFIG_SIM_M32),y)
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ARCHCPUFLAGS += -m32
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ARCHCPUFLAGSXX += -m32
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endif
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CROSSDEV =
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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@ -79,8 +84,20 @@ else
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EXEEXT =
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endif
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ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
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LDFLAGS += -g
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LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
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CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
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LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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LDLINKFLAGS += -g
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CCLINKFLAGS += -g
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LDFLAGS += -g
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endif
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ifeq ($(CONFIG_SIM_M32),y)
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LDLINKFLAGS += -melf_i386
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CCLINKFLAGS += -m32
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LDFLAGS += -m32
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endif
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define PREPROCESS
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@ -1,7 +1,7 @@
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############################################################################
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# configs/sim/Make.defs
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#
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# Copyright (C) 2007-2008, 2011 Gregory Nutt. All rights reserved.
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# Copyright (C) 2007-2008, 2011-2012 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHSCRIPT =
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ifeq ($(CONFIG_SIM_M32),y)
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ARCHCPUFLAGS += -m32
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ARCHCPUFLAGSXX += -m32
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endif
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CROSSDEV =
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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@ -79,8 +84,20 @@ else
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EXEEXT =
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endif
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ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
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LDFLAGS += -g
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LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
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CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
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LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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LDLINKFLAGS += -g
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CCLINKFLAGS += -g
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LDFLAGS += -g
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endif
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ifeq ($(CONFIG_SIM_M32),y)
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LDLINKFLAGS += -melf_i386
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CCLINKFLAGS += -m32
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LDFLAGS += -m32
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endif
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define PREPROCESS
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@ -1,7 +1,7 @@
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############################################################################
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# configs/sim/nsh/Make.defs
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#
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# Copyright (C) 2008, 2011 Gregory Nutt. All rights reserved.
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# Copyright (C) 2008, 2011-2012 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHSCRIPT =
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ifeq ($(CONFIG_SIM_M32),y)
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ARCHCPUFLAGS += -m32
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ARCHCPUFLAGSXX += -m32
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endif
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CROSSDEV =
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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@ -79,8 +84,20 @@ else
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EXEEXT =
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endif
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ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
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LDFLAGS += -g
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LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
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CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
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LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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LDLINKFLAGS += -g
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CCLINKFLAGS += -g
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LDFLAGS += -g
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endif
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ifeq ($(CONFIG_SIM_M32),y)
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LDLINKFLAGS += -melf_i386
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CCLINKFLAGS += -m32
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LDFLAGS += -m32
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endif
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define PREPROCESS
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@ -1,7 +1,7 @@
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############################################################################
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# configs/sim/nsh2/Make.defs
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#
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# Copyright (C) Gregory Nutt. All rights reserved.
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# Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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@ -54,6 +54,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHSCRIPT =
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ifeq ($(CONFIG_SIM_M32),y)
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ARCHCPUFLAGS += -m32
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ARCHCPUFLAGSXX += -m32
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endif
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CROSSDEV =
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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@ -80,8 +85,20 @@ else
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EXEEXT =
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endif
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ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
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LDFLAGS += -g
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LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
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CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
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LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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LDLINKFLAGS += -g
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CCLINKFLAGS += -g
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LDFLAGS += -g
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endif
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ifeq ($(CONFIG_SIM_M32),y)
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LDLINKFLAGS += -melf_i386
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CCLINKFLAGS += -m32
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LDFLAGS += -m32
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endif
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define PREPROCESS
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@ -1,7 +1,7 @@
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############################################################################
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# configs/sim/nx/Make.defs
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#
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# Copyright (C) 2008, 2011 Gregory Nutt. All rights reserved.
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# Copyright (C) 2008, 2011-2012 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHSCRIPT =
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ifeq ($(CONFIG_SIM_M32),y)
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ARCHCPUFLAGS += -m32
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ARCHCPUFLAGSXX += -m32
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endif
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CROSSDEV =
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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@ -79,8 +84,20 @@ else
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EXEEXT =
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endif
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ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
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LDFLAGS += -g
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LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
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CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
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LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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LDLINKFLAGS += -g
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CCLINKFLAGS += -g
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LDFLAGS += -g
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endif
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ifeq ($(CONFIG_SIM_M32),y)
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LDLINKFLAGS += -melf_i386
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CCLINKFLAGS += -m32
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LDFLAGS += -m32
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endif
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define PREPROCESS
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@ -1,7 +1,7 @@
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############################################################################
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# configs/sim/nxffs/Make.defs
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#
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# Copyright (C) 2011 Gregory Nutt. All rights reserved.
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# Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
|
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHSCRIPT =
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ifeq ($(CONFIG_SIM_M32),y)
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ARCHCPUFLAGS += -m32
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ARCHCPUFLAGSXX += -m32
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endif
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CROSSDEV =
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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@ -79,8 +84,20 @@ else
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EXEEXT =
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endif
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ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
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LDFLAGS += -g
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LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
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CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
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LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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LDLINKFLAGS += -g
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CCLINKFLAGS += -g
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LDFLAGS += -g
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endif
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ifeq ($(CONFIG_SIM_M32),y)
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LDLINKFLAGS += -melf_i386
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CCLINKFLAGS += -m32
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LDFLAGS += -m32
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endif
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define PREPROCESS
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@ -1,7 +1,7 @@
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############################################################################
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# configs/sim/Make.defs
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#
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# Copyright (C) 2007-2008, 2011 Gregory Nutt. All rights reserved.
|
||||
# Copyright (C) 2007-2008, 2011-2012 Gregory Nutt. All rights reserved.
|
||||
# Author: Gregory Nutt <gnutt@nuttx.org>
|
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#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
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@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHSCRIPT =
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ifeq ($(CONFIG_SIM_M32),y)
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ARCHCPUFLAGS += -m32
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ARCHCPUFLAGSXX += -m32
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endif
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CROSSDEV =
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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@ -79,8 +84,20 @@ else
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EXEEXT =
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endif
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ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
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LDFLAGS += -g
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LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
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CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
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LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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LDLINKFLAGS += -g
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CCLINKFLAGS += -g
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LDFLAGS += -g
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endif
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ifeq ($(CONFIG_SIM_M32),y)
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LDLINKFLAGS += -melf_i386
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CCLINKFLAGS += -m32
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LDFLAGS += -m32
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endif
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define PREPROCESS
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@ -1,7 +1,7 @@
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############################################################################
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# configs/sim/pashello/Make.defs
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#
|
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# Copyright (C) 2007-2008, 2011 Gregory Nutt. All rights reserved.
|
||||
# Copyright (C) 2007-2008, 2011-2012 Gregory Nutt. All rights reserved.
|
||||
# Author: Gregory Nutt <gnutt@nuttx.org>
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#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
|
|
@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
|
|||
ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
|
||||
ARCHSCRIPT =
|
||||
|
||||
ifeq ($(CONFIG_SIM_M32),y)
|
||||
ARCHCPUFLAGS += -m32
|
||||
ARCHCPUFLAGSXX += -m32
|
||||
endif
|
||||
|
||||
CROSSDEV =
|
||||
CC = $(CROSSDEV)gcc
|
||||
CXX = $(CROSSDEV)g++
|
||||
|
|
@ -79,9 +84,22 @@ else
|
|||
EXEEXT =
|
||||
endif
|
||||
|
||||
ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
|
||||
LDFLAGS += -g
|
||||
LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
|
||||
CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
|
||||
LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
|
||||
|
||||
ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
|
||||
LDLINKFLAGS += -g
|
||||
CCLINKFLAGS += -g
|
||||
LDFLAGS += -g
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_SIM_M32),y)
|
||||
LDLINKFLAGS += -melf_i386
|
||||
CCLINKFLAGS += -m32
|
||||
LDFLAGS += -m32
|
||||
endif
|
||||
|
||||
EXTRA_LIBS = -lm
|
||||
|
||||
define PREPROCESS
|
||||
|
|
|
|||
Loading…
Reference in New Issue