[bffb938] | 1 | # |
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[c2c9c7e] | 2 | # Shared compiler for all GNU tools configurations |
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| 3 | # |
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| 4 | # $Id$ |
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[bffb938] | 5 | # |
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| 6 | |
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| 7 | CPPFLAGS=$(CFLAGS) $(XCPPFLAGS) |
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| 8 | |
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| 9 | CPLUS_CPPFLAGS=$(CFLAGS) $(XCPPFLAGS) |
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| 10 | |
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| 11 | ## |
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| 12 | # CFLAGS_OPTIMIZE_V, CFLAGS_DEBUG_V, CFLAGS_PROFILE_V are the values we |
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| 13 | # would want the corresponding macros to be set to. |
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| 14 | # |
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| 15 | # CFLAGS_OPTIMIZE, CFLAGS_DEBUG, CFLAGS_PROFILE are set in the leaf |
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| 16 | # Makefiles by the 'debug:' and 'profile:' targets to their _V values. |
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| 17 | # |
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| 18 | |
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| 19 | # default flags |
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| 20 | |
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| 21 | # We only include the header files for KA9Q if it is enabled. |
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| 22 | INCLUDE_KA9Q_yes_V = -I$(PROJECT_INCLUDE)/ka9q |
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| 23 | INCLUDE_KA9Q = $(INCLUDE_KA9Q_$(HAS_KA9Q)_V) |
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| 24 | |
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| 25 | ifeq ($(RTEMS_USE_GCC272),yes) |
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[6ee6abb] | 26 | ifeq ($(RTEMS_CROSS_TARGET),no) |
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| 27 | |
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| 28 | ifdef RTEMS_LIBC_DIR |
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| 29 | RTEMS_LIBC_INCLUDES := -I$(RTEMS_LIBC_DIR)/include |
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| 30 | endif |
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| 31 | |
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| 32 | # Used for posix bsps |
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| 33 | CFLAGS_DEFAULT = $(CPU_DEFINES) $(CPU_CFLAGS) -Wall -ansi -fasm -g \ |
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| 34 | -I$(PROJECT_INCLUDE) \ |
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| 35 | $(INCLUDE_KA9Q) \ |
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| 36 | $(RTEMS_LIBC_INCLUDES) $(DEFINES) |
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| 37 | |
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| 38 | ASMFLAGS=$(CPU_DEFINES) $(CPU_CFLAGS) -g \ |
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| 39 | -I$(PROJECT_INCLUDE) \ |
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| 40 | $(RTEMS_LIBC_INCLUDES) $(DEFINES) |
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| 41 | else |
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| 42 | # Used for embedded bsps |
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[bffb938] | 43 | # Ask gcc where it finds its own include files |
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[98100d2] | 44 | GCC_INCLUDE=$(shell $(CC) $(CPU_CFLAGS) -print-file-name=include $(GCCSED)) |
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[bffb938] | 45 | |
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| 46 | CFLAGS_DEFAULT = $(CPU_DEFINES) $(CPU_CFLAGS) -Wall -ansi -fasm -g \ |
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| 47 | -nostdinc -I$(PROJECT_INCLUDE) \ |
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| 48 | $(INCLUDE_KA9Q) \ |
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| 49 | -I$(RTEMS_LIBC_DIR)/include -I$(GCC_INCLUDE) $(DEFINES) |
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| 50 | |
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| 51 | ASMFLAGS=$(CPU_DEFINES) $(CPU_CFLAGS) -g \ |
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| 52 | -nostdinc -I$(PROJECT_INCLUDE) \ |
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| 53 | -I$(RTEMS_LIBC_DIR)/include -I$(GCC_INCLUDE) $(DEFINES) |
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[6ee6abb] | 54 | endif |
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[bffb938] | 55 | |
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| 56 | # default location of Standard C Library |
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| 57 | ifndef LIBC_LIBC |
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| 58 | LIBC_LIBC=$(RTEMS_LIBC_DIR)/lib/libc.a |
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| 59 | endif |
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| 60 | |
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| 61 | ifndef LIBC_LIBM |
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| 62 | LIBC_LIBM=$(RTEMS_LIBC_DIR)/lib/libm.a |
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| 63 | endif |
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| 64 | |
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| 65 | else |
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| 66 | CFLAGS_DEFAULT = $(CPU_DEFINES) $(CPU_CFLAGS) -Wall -ansi -fasm -g \ |
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| 67 | -B$(PROJECT_RELEASE)/lib/ -specs bsp_specs -qrtems \ |
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| 68 | $(INCLUDE_KA9Q) $(DEFINES) |
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| 69 | |
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| 70 | ASMFLAGS=$(CPU_DEFINES) $(CPU_CFLAGS) -g -I$(srcdir) \ |
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| 71 | -B$(PROJECT_RELEASE)/lib/ -specs bsp_specs -qrtems $(DEFINES) |
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| 72 | |
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| 73 | # default location of Standard C Library |
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| 74 | ifndef LIBC_LIBC |
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[98100d2] | 75 | LIBC_LIBC=$(shell $(CC) $(CPU_CFLAGS) -print-file-name=libc.a $(GCCSED)) |
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[bffb938] | 76 | endif |
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| 77 | |
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| 78 | ifndef LIBC_LIBM |
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[98100d2] | 79 | LIBC_LIBM=$(shell $(CC) $(CPU_CFLAGS) -print-file-name=libm.a $(GCCSED)) |
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[bffb938] | 80 | endif |
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| 81 | endif |
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| 82 | |
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| 83 | # Define this to yes if C++ is included in the development environment. |
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| 84 | # This requires that at least the GNU C++ compiler and libg++ be installed. |
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| 85 | ifeq ($(RTEMS_HAS_CPLUSPLUS),yes) |
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| 86 | HAS_CPLUSPLUS=yes |
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| 87 | CPLUS_LD_LIBS += $(PROJECT_RELEASE)/lib/librtems++$(LIBSUFFIX_VA) |
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| 88 | else |
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| 89 | HAS_CPLUSPLUS=no |
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| 90 | endif |
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| 91 | |
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[98100d2] | 92 | # debug flag; |
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[ac61209b] | 93 | CFLAGS_DEBUG_V+=-Wno-unused |
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[bffb938] | 94 | |
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[a858910] | 95 | ifeq ($(RTEMS_USE_GCC272),no) |
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| 96 | CFLAGS_DEBUG_V+=-qrtems_debug |
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| 97 | endif |
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| 98 | |
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[bffb938] | 99 | # when debugging, optimize flag: typically empty |
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| 100 | # some compilers do allow optimization with their "-g" |
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| 101 | #CFLAGS_DEBUG_OPTIMIZE_V= |
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| 102 | |
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| 103 | # profile flag; use gprof(1) |
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| 104 | CFLAGS_PROFILE_V=-pg |
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| 105 | |
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| 106 | # default is to optimize |
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| 107 | CFLAGS_OPTIMIZE=$(CFLAGS_OPTIMIZE_V) |
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| 108 | |
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| 109 | # dynamic libraries |
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| 110 | CFLAGS_DYNAMIC_V=-fpic |
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| 111 | #ASFLAGS_DYNAMIC_V= |
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| 112 | |
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| 113 | CFLAGS=$(CFLAGS_DEFAULT) $(CFLAGS_OPTIMIZE) $(CFLAGS_DEBUG) $(CFLAGS_PROFILE) |
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| 114 | |
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| 115 | # List of library paths without -L |
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| 116 | LD_PATHS= $(PROJECT_RELEASE)/lib |
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| 117 | |
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| 118 | # libraries you want EVERYONE to link with |
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| 119 | #LD_LIBS= |
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| 120 | |
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| 121 | # ld flag to ensure pure-text |
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| 122 | #LDFLAGS_MUST_BE_PURE_V = |
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| 123 | |
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| 124 | # ld flag for [un]shared objects |
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| 125 | #LDFLAGS_STATIC_LIBRARIES_V = |
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| 126 | #LDFLAGS_SHARED_LIBRARIES_V = |
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| 127 | |
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| 128 | # ld flag for incomplete link |
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| 129 | LDFLAGS_INCOMPLETE = -r |
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| 130 | |
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| 131 | # Special linker options when building lib.so |
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| 132 | LDFLAGS_DYNAMIC_V = ?? |
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| 133 | |
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| 134 | # Some dynamic linking systems want the preferred name recorded in the binary |
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| 135 | # ref: src/libxil/Makefile |
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| 136 | LDFLAGS_DYNAMIC_LIBNAME_V = -h $(DYNAMIC_VERSION_LIBNAME) |
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| 137 | |
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| 138 | # ld flags for profiling, debugging |
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| 139 | LDFLAGS_PROFILE_V = |
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| 140 | LDFLAGS_DEBUG_V = |
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| 141 | |
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| 142 | LDFLAGS=$(LDFLAGS_PROFILE) $(LDFLAGS_DEBUG) $(LD_PATHS:%=-L %) |
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| 143 | |
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| 144 | # |
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| 145 | # Stuff to clean and clobber for the compiler and its tools |
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| 146 | # |
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| 147 | |
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| 148 | CLEAN_CC = a.out *.o *.BAK |
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| 149 | CLOBBER_CC = |
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| 150 | |
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| 151 | # |
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| 152 | # Client compiler and support tools |
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| 153 | # |
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| 154 | |
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| 155 | # CPP command to write file to standard output |
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[5dd4212] | 156 | CPP=$(CC) -E -ansi -w -Wp,-$$ |
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[bffb938] | 157 | |
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| 158 | # flags set by cc when running cpp |
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| 159 | CPP_CC_FLAGS=-D__STDC__ |
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| 160 | |
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| 161 | ASFLAGS= |
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| 162 | ASM4FLAGS := -I $(PROJECT_INCLUDE) |
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| 163 | |
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| 164 | # egrep regexp to ignore symbol table entries in ar archives. |
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| 165 | # Only used to make sure we skip them when coalescing libraries. |
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| 166 | # skip __.SYMDEF and empty names (maybe bug in ranlib??). |
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| 167 | AR_SYMBOL_TABLE="HIGHLY-UNLIKELY-TO-CONFLICT" |
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| 168 | ARFLAGS=ruv |
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| 169 | |
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| 170 | # |
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| 171 | # Command to convert a normal archive to one searchable by $(LD) |
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| 172 | # |
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[98100d2] | 173 | # NOTE: Obsolete, use $(RANLIB) instead, MKLIB may disappear soon |
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| 174 | MKLIB=$(RANLIB) |
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[bffb938] | 175 | |
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| 176 | # |
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| 177 | # How to compile stuff into ${ARCH} subdirectory |
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| 178 | # |
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| 179 | # NOTE: we override COMPILE.c |
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| 180 | # |
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| 181 | |
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| 182 | COMPILE.c=$(CC) $(CFLAGS) $(XCFLAGS) -c |
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[6ee6abb] | 183 | COMPILE.cc=$(CXX) $(CFLAGS) $(CXXFLAGS) -fno-rtti $(XCFLAGS) -c |
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[bffb938] | 184 | |
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| 185 | ${ARCH}/%.o: %.c |
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[e81ef51] | 186 | ${COMPILE.c} -o $@ $< |
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[bffb938] | 187 | |
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| 188 | ${ARCH}/%.o: %.cc |
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[6ee6abb] | 189 | ${COMPILE.cc} -o $@ $< |
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[bffb938] | 190 | |
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| 191 | ${ARCH}/%.o: %.S |
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[e81ef51] | 192 | ${COMPILE.c} -DASM -o $@ $< |
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[bffb938] | 193 | |
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| 194 | # strip out C++ style comments. |
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| 195 | ${ARCH}/%.o: %.s |
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| 196 | sed -e 's/\/\/.*$$//' < $< | \ |
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| 197 | $(CPP) $(ASMFLAGS) -I. -I$(srcdir) -DASM - >$(ARCH)/$*.i |
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| 198 | $(AS) $(ASFLAGS) -o $@ $(ARCH)/$*.i |
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| 199 | |
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| 200 | # $(CPP) $(CPPFLAGS) -DASM - < $< >$(ARCH)/$*.i |
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| 201 | # $(AS) $(ASFLAGS) -o $@ $(ARCH)/$*.i |
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| 202 | # $(RM) $(ARCH)/$*.i |
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| 203 | |
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| 204 | # Specify our own default rule for this to prevent having CFLAGS and |
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| 205 | # CPPFLAGS being passed to linker |
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| 206 | ${ARCH}/%: ${ARCH}/%.o |
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| 207 | ${CC} ${LDFLAGS} -o $@ $@.o ${LD_LIBS} |
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| 208 | |
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| 209 | # Make foo.rel from foo.o |
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| 210 | ${ARCH}/%.rel: ${ARCH}/%.o |
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| 211 | ${LD} $(LDFLAGS_INCOMPLETE) -o $@ $^ |
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| 212 | |
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| 213 | # create $(ARCH)/pgm from pgm.sh |
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| 214 | ${ARCH}/%: %.sh |
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| 215 | $(RM) $@ |
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| 216 | $(CP) $< $@ |
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| 217 | $(CHMOD) +x $@ |
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| 218 | |
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| 219 | # Dependency files for use by gmake |
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| 220 | # NOTE: we don't put in $(TARGET_ARCH) |
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| 221 | # so that 'make clean' doesn't blow it away |
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| 222 | |
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| 223 | DEPEND=Depends-$(TARGET_ARCH:o-%=%) |
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| 224 | |
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| 225 | CLEAN_DEPEND=$(DEPEND).tmp |
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| 226 | CLOBBER_DEPEND=$(DEPEND) |
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| 227 | |
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| 228 | # We deliberately don't have anything depend on the |
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| 229 | # $(DEPEND) file; otherwise it will get rebuilt even |
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| 230 | # on 'make clean' |
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| 231 | # |
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| 232 | |
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| 233 | depend: $(C_FILES) $(CC_FILES) $(S_FILES) |
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| 234 | ifneq ($(words $(C_FILES) $(CC_FILES) $(S_FILES)), 0) |
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| 235 | # Use gcc -M to generate dependencies |
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| 236 | # Replace foo.o with $(ARCH)/foo.o |
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| 237 | # Replace $(ARCH) value with string $(ARCH) |
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| 238 | # so that it will for debug and profile cases |
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| 239 | $(COMPILE.c) -M $^ | \ |
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| 240 | $(SED) -e 's?^\(.*\)\.o[ ]*:?$$(ARCH)/\1.o:?' \ |
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| 241 | -e 's?$(ARCH)/?$$(ARCH)/?' >$(DEPEND).tmp |
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| 242 | $(MV) $(DEPEND).tmp $(DEPEND) |
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| 243 | endif |
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| 244 | |
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| 245 | # spell out all the LINK_FILE's, rather than using -lbsp, so |
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| 246 | # that $(LINK_FILES) can be a dependency |
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| 247 | |
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| 248 | # Start file must be one of |
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| 249 | # $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o |
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| 250 | # $(PROJECT_RELEASE)/lib/asmiface$(LIB_VARIANT).o |
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| 251 | # It defaults to start.o, but an app can override it. |
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| 252 | |
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| 253 | ifeq ($(START_BASE),) |
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| 254 | START_FILE= |
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| 255 | else |
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| 256 | START_FILE=$(PROJECT_RELEASE)/lib/$(START_BASE)$(LIB_VARIANT).o |
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| 257 | endif |
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| 258 | |
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| 259 | CONSTRUCTOR= |
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| 260 | |
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| 261 | LIBC_LOW= |
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| 262 | |
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[6ee6abb] | 263 | ifndef LIBGCC |
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[98100d2] | 264 | LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name $(GCCSED)) |
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[6ee6abb] | 265 | endif |
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[bffb938] | 266 | |
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[98100d2] | 267 | # |
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| 268 | # NOTE: a rule to link an rtems' application should look similar to this |
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| 269 | # (cf. "make-exe" in make/custom/*.cfg): |
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| 270 | # |
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| 271 | # gcc27: |
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| 272 | # $(PGM): $(LINK_FILES) |
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| 273 | # $(LD) $(LDFLAGS) -o $@ $(LINK_OBJS) \ |
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| 274 | # --start-group $(LIB_LIBS) --end-group |
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| 275 | # |
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| 276 | # gcc28: |
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| 277 | # $(PGM): $(LINK_FILES) |
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| 278 | # $(CC) $(CFLAGS) -o $@ $(LINK_OBJS) $(LIB_LIBS) |
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| 279 | # |
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| 280 | |
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| 281 | LINK_OBJS =\ |
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[bffb938] | 282 | $(CONSTRUCTOR) \ |
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| 283 | $(OBJS) \ |
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| 284 | $(MANAGERS_NOT_WANTED:%=$(PROJECT_RELEASE)/lib/no-%$(LIB_VARIANT).rel) \ |
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| 285 | $(PROJECT_RELEASE)/lib/libtest$(LIBSUFFIX_VA) |
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| 286 | |
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[98100d2] | 287 | LINK_FILES =\ |
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[bffb938] | 288 | $(START_FILE) \ |
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[98100d2] | 289 | $(CONSTRUCTOR) \ |
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| 290 | $(OBJS) \ |
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| 291 | $(MANAGERS_NOT_WANTED:%=$(PROJECT_RELEASE)/lib/no-%$(LIB_VARIANT).rel) \ |
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| 292 | $(PROJECT_RELEASE)/lib/libtest$(LIBSUFFIX_VA) \ |
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| 293 | $(PROJECT_RELEASE)/lib/librtemsall$(LIBSUFFIX_VA) |
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| 294 | |
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| 295 | ifeq ($(RTEMS_USE_GCC272),yes) |
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| 296 | LINK_LIBS = $(PROJECT_RELEASE)/lib/librtemsall$(LIBSUFFIX_VA) |
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| 297 | ifeq ($(RTEMS_CROSS_TARGET),yes) |
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| 298 | # NOTE: add libc and libgcc only for embedded targets |
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| 299 | # LIBC_LIBM should not be needed by rtems itself. |
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| 300 | # FIXME: If a BSP requires libm, its make/custom/*.cfg file should add |
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| 301 | # LIBC_LIBM to LINK_LIBS (untested) |
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| 302 | LINK_LIBS += $(LIBC_LIBC) $(LIBGCC) |
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| 303 | endif |
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| 304 | endif |
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| 305 | |
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| 306 | LINK_LIBS += $(LD_LIBS) |
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[bffb938] | 307 | |
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| 308 | # |
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| 309 | # Allow user to override link commands (to build a prom image, perhaps) |
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| 310 | # |
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| 311 | ifndef LINKCMDS |
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| 312 | LINKCMDS=$(PROJECT_RELEASE)/lib/linkcmds |
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| 313 | endif |
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| 314 | |
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| 315 | |
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| 316 | define make-rel |
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| 317 | $(LD) $(LDFLAGS_INCOMPLETE) $(XLDFLAGS) -o $@ $(OBJS) |
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| 318 | endef |
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