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ARM related Makefile changes 

- Builds all four possible ARM targets when cross compiling

- Adds some auto detection to select the target for native ARM builds

The auto detection will select EABI if it finds /lib/ld-linux.so.3.
It will select VFP floating point support when /proc/cpuinfo lists
a VFP or iWMMXt coprocessor. Intel Wireless MMX does not imply VFP,
but it conflicts with FPA, so VFP is the only choice (apart from
yet unsupported soft-float).

  Daniel
tcc-xref
Daniel Glöckner 2008-09-05 21:07:56 +02:00 committed by grischka
parent 12265da6cd
commit e8039673ad
1 changed files with 16 additions and 4 deletions
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20
Makefile
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@ -30,14 +30,14 @@ INSTALL=install
ifdef CONFIG_WIN32
PROGS=tcc$(EXESUF)
ifdef CONFIG_CROSS
PROGS+=c67-tcc$(EXESUF) arm-tcc$(EXESUF)
PROGS+=c67-tcc$(EXESUF) arm-tcc-fpa$(EXESUF) arm-tcc-fpa-ld$(EXESUF) arm-tcc-vfp$(EXESUF) arm-tcc-vfp-eabi$(EXESUF)
endif
PROGS+=tiny_impdef$(EXESUF) tiny_libmaker$(EXESUF)
else
ifeq ($(ARCH),i386)
PROGS=tcc$(EXESUF)
ifdef CONFIG_CROSS
PROGS+=arm-tcc$(EXESUF)
PROGS+=arm-tcc-fpa$(EXESUF) arm-tcc-fpa-ld$(EXESUF) arm-tcc-vfp$(EXESUF) arm-tcc-vfp-eabi$(EXESUF)
endif
endif
ifeq ($(ARCH),arm)
@ -151,8 +151,11 @@ tcc$(EXESUF): tcc.c i386-gen.c tccelf.c tccasm.c i386-asm.c tcctok.h libtcc.h i3
$(CC) $(CFLAGS) -o $@ $< $(LIBS)
endif
ifeq ($(ARCH),arm)
ARMFLAGS = $(if $(wildcard /lib/ld-linux.so.3),-DTCC_ARM_EABI)
ARMFLAGS += $(if $(shell grep -l "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo),-DTCC_ARM_VFP)
tcc$(EXESUF): tcc.c arm-gen.c tccelf.c tccasm.c tcctok.h libtcc.h
$(CC) $(CFLAGS) -DTCC_TARGET_ARM -o $@ $< $(LIBS)
$(CC) $(CFLAGS) -DTCC_TARGET_ARM $(ARMFLAGS) -o $@ $< $(LIBS)
endif
endif
@ -163,7 +166,16 @@ i386-tcc$(EXESUF): tcc.c i386-gen.c tccelf.c tccasm.c i386-asm.c tcctok.h libtcc
c67-tcc$(EXESUF): tcc.c c67-gen.c tccelf.c tccasm.c tcctok.h libtcc.h tcccoff.c
$(CC) $(CFLAGS) -DTCC_TARGET_C67 -o $@ $< $(LIBS)
arm-tcc$(EXESUF): tcc.c arm-gen.c tccelf.c tccasm.c tcctok.h libtcc.h
arm-tcc-fpa$(EXESUF): tcc.c arm-gen.c tccelf.c tccasm.c tcctok.h libtcc.h
$(CC) $(CFLAGS) -DTCC_TARGET_ARM -o $@ $< $(LIBS)
arm-tcc-fpa-ld$(EXESUF): tcc.c arm-gen.c tccelf.c tccasm.c tcctok.h libtcc.h
$(CC) $(CFLAGS) -DTCC_TARGET_ARM -DLDOUBLE_SIZE=12 -o $@ $< $(LIBS)
arm-tcc-vfp$(EXESUF): tcc.c arm-gen.c tccelf.c tccasm.c tcctok.h libtcc.h
$(CC) $(CFLAGS) -DTCC_TARGET_ARM -DTCC_ARM_VFP -o $@ $< $(LIBS)
arm-tcc-vfp-eabi$(EXESUF): tcc.c arm-gen.c tccelf.c tccasm.c tcctok.h libtcc.h
$(CC) $(CFLAGS) -DTCC_TARGET_ARM -DTCC_ARM_EABI -o $@ $< $(LIBS)
i386-win32-tcc$(EXESUF): tcc.c i386-gen.c tccelf.c tccasm.c i386-asm.c tcctok.h libtcc.h i386-asm.h tccpe.c