81 lines
2.8 KiB
Diff
81 lines
2.8 KiB
Diff
Rely on the compiler to be properly setup for the default ABI.
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When installing-headers, there are two cases:
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- NPTL: no issue, a cross-compiler is already expected
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- LinuxThreads: no issue, EABI/OABI has no impact on installed headers.
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Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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Cc: Khem Raj <raj.khem@gmail.com>
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Cc: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Cc: Carmelo AMOROSO <carmelo.amoroso@st.com>
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---
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extra/Configs/Config.arm | 11 -----------
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libc/sysdeps/linux/arm/Makefile.arch | 9 +++++++--
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libc/sysdeps/linux/arm/bits/huge_val.h | 4 ++--
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3 files changed, 9 insertions(+), 15 deletions(-)
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--- a/extra/Configs/Config.arm
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+++ b/extra/Configs/Config.arm
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@@ -12,17 +12,6 @@ config FORCE_OPTIONS_FOR_ARCH
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default y
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select ARCH_ANY_ENDIAN
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-config CONFIG_ARM_EABI
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- bool "Build for EABI"
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- help
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- If you say 'y' here, functions and constants required by the
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- ARM EABI will be built into the library. You should say 'y'
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- if your compiler uses the ARM EABI, in which case you will also
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- need a kernel supporting the EABI system call interface.
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-
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- If you say 'n' here, then the library will be built for the
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- old Linux ABI.
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-
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config COMPILE_IN_THUMB_MODE
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bool "Build using Thumb mode"
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select USE_BX
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--- a/libc/sysdeps/linux/arm/Makefile.arch
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+++ b/libc/sysdeps/linux/arm/Makefile.arch
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@@ -24,7 +24,12 @@ ifeq ($(UCLIBC_HAS_ADVANCED_REALTIME),y)
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CSRC += posix_fadvise.c posix_fadvise64.c
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endif
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-ifeq ($(CONFIG_ARM_EABI),y)
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+# Is our compiler set up for EABI ?
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+IS_EABI:=$(shell $(CC) $(CFLAGS) -x c - -E -dM </dev/null 2>/dev/null \
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+ |sed -r -e '/^\#[[:space:]]*define[[:space:]]+__ARM_EABI__([[:space:]]+1)?$$/!d; s/.+/y/;' \
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+ )
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+
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+ifeq ($(IS_EABI),y)
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CSRC += aeabi_assert.c aeabi_atexit.c aeabi_errno_addr.c \
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aeabi_localeconv.c aeabi_memclr.c aeabi_memcpy.c \
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aeabi_memmove.c aeabi_memset.c find_exidx.c
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@@ -37,7 +42,7 @@ else
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CSRC += syscall.c
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endif
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-ifeq ($(CONFIG_ARM_EABI),y)
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+ifeq ($(IS_EABI),y)
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libc-static-y += $(ARCH_OUT)/aeabi_lcsts.o $(ARCH_OUT)/aeabi_math.o \
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$(ARCH_OUT)/aeabi_sighandlers.o
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libc-nonshared-y += $(ARCH_OUT)/aeabi_lcsts.os $(ARCH_OUT)/aeabi_math.os \
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--- a/libc/sysdeps/linux/arm/bits/huge_val.h
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+++ b/libc/sysdeps/linux/arm/bits/huge_val.h
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@@ -32,7 +32,7 @@
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# define HUGE_VAL (__extension__ 0x1.0p2047)
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#elif defined __GNUC__
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-#ifndef __CONFIG_ARM_EABI__
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+#ifndef __ARM_EABI__
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# define HUGE_VAL \
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(__extension__ \
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((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
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@@ -50,7 +50,7 @@
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typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
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-#ifndef __CONFIG_ARM_EABI__
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+#ifndef __ARM_EABI__
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 }
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# endif
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