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The reader is assumed to be familiar with the tools in the gnu collection.
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General compilation and linking requirements
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The dynamic linker fails if presented with duplicate symbol names. A given symbol can be used in more than one module, but only if those modules are never loaded together.
Host objects
TBW.
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Makefile and build product hierarchy
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Directory structure for rce build products
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Global make variables
-Under construction-
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Build directories for host (non-module) code:
objdir
libdir
bindir
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Constituent makefiles
This section describes the most common make rules and option flags for building constituents.
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Constituent make rules for host objects
TBW.
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Packages and project makefiles
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Use application-specific files
projects.mk at top level
packages.mk for projects
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Make examples
gmake is invoked as follows:
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// change directory to top of release tree prompt> gmake rceapp.console.ppc-rtems-rce405.obj |
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Make invocation options
Path specification
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Make rule | Description |
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all | Build 'bin' and user-defined |
dir | Create build directories, but do not build. |
obj | Compile sources |
lib | Build libraries from object files |
bin | Build libraries, executables and modules |
clean | Remove all built products |
cleanall | Same as 'clean', but removes some tmp directories as well |
List what is built and where it goes |
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Compiler options for rce modules
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ifeq ($(tgt_cpu_family)-$(tgt_os),ppc-rtems)
AS := powerpc-rtems-as
CPP := powerpc-rtems-cpp
CC := powerpc-rtems-gcc
CXX := powerpc-rtems-g++
LD := powerpc-rtems-ld
LX := powerpc-rtems-g++
ifeq ($(tgt_board),rce405)
RTEMSDIR := $(RELEASE_DIR)/build/rtems/target/powerpc-rtems/rce405/lib
endif
ifeq ($(tgt_board),ml405)
RTEMSDIR := $(RELEASE_DIR)/build/rtems/target/powerpc-rtems/ml405/lib
endif
LDTOOLSD := $(RELEASE_DIR)/rce/ldtools
LIBEXTNS := a
DEPFLAGS := -B$(RTEMSDIR) -MM
DEFINES += -Dppc405
CPPFLAGS :=
CFLAGS := -B$(RTEMSDIR) -specs bsp_specs -qrtems -mcpu=403 -Wall
CXXFLAGS := $(CFLAGS)
CASFLAGS := -x assembler-with-cpp -P $(CFLAGS)
LDFLAGS := -r
LXFLAGS := -B$(RTEMSDIR) -specs $(LDTOOLSD)/dynamic_specs \
-qrtems -qnolinkcmds -Wl,-T$(LDTOOLSD)/dynamic.ld \
-mcpu=403
MANAGERS := timer sem msg event signal part region dpmem io rtmon ext mp
MDEFINES := $(DEFINES)
-DEXPORT='__attribute__((visibility("default")))'
MCFLAGS := -B$(RTEMSDIR) -specs $(LDTOOLSD)/module_specs \
-qrtems -Wall -fvisibility=hidden -mlongcall
-fno-pic -mcpu=403
MCXXFLAGS := $(MCFLAGS)
MCASFLAGS := -x assembler-with-cpp -P $(MCFLAGS)
MLDFLAGS := -r
MLXFLAGS := -B$(RTEMSDIR) -specs $(LDTOOLSD)/module_specs \
-qrtems -qnolinkcmds -Wl,-T$(LDTOOLSD)/module.ld-mcpu=403 \
-shared -nostdlib
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gnu linker options for rce modules
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