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Support sharing ARM headers for hard and soft float.

This commit is contained in:
Joseph Myers 2012-05-30 18:55:55 +00:00
parent 317f883716
commit 66625b24f2
2 changed files with 38 additions and 0 deletions
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12
ChangeLog.arm
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@ -1,5 +1,17 @@
2012-05-30 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/arm/Makefile (default-abi-prog): New
variable.
(default-abi): Likewise.
(abi-includes): Likewise.
(abi-variants): Likewise.
(abi-soft-options): Likewise.
(abi-soft-condition): Likewise.
(abi-soft-ld-soname): Likewise.
(abi-hard-options): Likewise.
(abi-hard-condition): Likewise.
(abi-hard-ld-soname): Likewise.
* sysdeps/unix/sysv/linux/arm/kernel-features.h
(__ASSUME_TRUNCATE64_SYSCALL): Remove.

26
sysdeps/unix/sysv/linux/arm/Makefile
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@ -65,3 +65,29 @@ LDFLAGS-tst-rfc3484 += $(common-objpfx)csu/libc-do-syscall.o
LDFLAGS-tst-rfc3484-2 += $(common-objpfx)csu/libc-do-syscall.o
LDFLAGS-tst-rfc3484-3 += $(common-objpfx)csu/libc-do-syscall.o
endif
define default-abi-prog
echo '#ifdef __ARM_PCS_VFP';
echo 'hard';
echo '#else';
echo 'soft';
echo '#endif'
endef
default-abi := $(strip $(shell \
($(default-abi-prog)) | $(CC) $(CFLAGS) $(CPPFLAGS) -E -P -))
ifeq ($(default-abi),hard)
# OK.
else
ifneq ($(default-abi),soft)
Unknown ABI, must be "hard" or "soft".
endif
endif
abi-includes :=
abi-variants := soft hard
abi-soft-options := -U__ARM_PCS_VFP
abi-soft-condition := !defined __ARM_PCS_VFP
abi-soft-ld-soname := ld-linux.so.3
abi-hard-options := -D__ARM_PCS_VFP
abi-hard-condition := defined __ARM_PCS_VFP
abi-hard-ld-soname := ld-linux-armhf.so.3