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annotate gcc/makefile-body @ 106:5ba0bee90efa

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build system: new configuration naming mechanism
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 23 Jul 2018 16:38:50 +0000
parents e5cbc745543b
children 767c75e3d2f2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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081dd22ca6a2 gcc/makefile-body: created
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1 CC= arm-elf-gcc
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2 LD= arm-elf-ld
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3 OBJCOPY=arm-elf-objcopy
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5 CFLAGS= -mthumb-interwork
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7 LIBC_A= `${CC} -print-file-name=libc.a -mthumb-interwork`
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8 LIBGCC_A= `${CC} -print-file-name=libgcc.a -mthumb-interwork`
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9 LIBM_T= `${CC} -print-file-name=libm.a -mthumb-interwork -mthumb`
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11 all: fwimage.bin flash-script
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12 ram: ramimage.srec
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14 ${SUBDIR}: FRC
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15 cd $@; ${MAKE} ${MFLAGS}
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17 ${LIBS}: ${SUBDIR}
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18 @true
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20 bootentry-flash.o: ../src/cs/system/main/gcc/bootentry.S
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21 ${CC} -c -o $@ ${CFLAGS} -DFLASH -Iconfig -I../src/nucleus/gcc $<
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23 bootentry-xram.o: ../src/cs/system/main/gcc/bootentry.S
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24 ${CC} -c -o $@ ${CFLAGS} -DXRAM -Iconfig -I../src/nucleus/gcc $<
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26 ramvecs.o: ../src/cs/system/main/gcc/ramvecs.S
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27 ${CC} -c ${CFLAGS} $<
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29 build_date.c: ${LIBS} bootentry-flash.o bootentry-xram.o ramvecs.o Makefile
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30 ../helpers/build-date ${CONFIG_NAME} > $@
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32 build_date.o: build_date.c
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33 ${CC} -c ${CFLAGS} build_date.c
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35 fwimage.ld: ../targets/${TARGET}.m4 ../gcc/flash.m4 ../gcc/ld-script.src
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36 m4 $^ > $@
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38 fwimage.elf: ${LIBS} bootentry-flash.o ramvecs.o build_date.o fwimage.ld
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39 ${LD} -N -T fwimage.ld -o $@ -Map fwimage.map bootentry-flash.o \
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40 ramvecs.o build_date.o --start-group ${LIBS} --end-group \
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41 ${LIBM_T} ${LIBC_A} ${LIBGCC_A}
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42
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43 fwimage.bin: fwimage.elf
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44 ${OBJCOPY} -O binary $< $@
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46 flash-script: fwimage.bin
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47 ../helpers/mk-flash-script $< ${FLASH_BASE_ADDR} ${FLASH_SECTOR_SIZE} \
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48 > $@
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50 ramimage.ld: ../targets/${TARGET}.m4 ../gcc/xram.m4 ../gcc/ld-script.src
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51 m4 $^ > $@
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53 ramimage.elf: ${LIBS} bootentry-xram.o ramvecs.o build_date.o ramimage.ld
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54 ${LD} -N -T ramimage.ld -o $@ -Map ramimage.map bootentry-xram.o \
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55 ramvecs.o build_date.o --start-group ${LIBS} --end-group \
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56 ${LIBM_T} ${LIBC_A} ${LIBGCC_A}
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58 ramimage.srec: ramimage.elf
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59 ${OBJCOPY} -O srec --srec-forceS3 --srec-len=30 $< $@
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61 clean: FRC
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62 rm -f fwimage.* ramimage.* bootentry*.o ramvecs.o
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63 rm -f build_date.* flash-script
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64 for i in ${SUBDIR}; do (cd $$i; ${MAKE} ${MFLAGS} clean); done
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66 FRC: