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- Log ----------------------------------------------------------------- commit 939014ddce98bd07c774815a7f0cf379c8bde38d Author: Waldemar Brodkorb wbx@uclibc-ng.org Date: Thu Aug 25 23:32:43 2016 +0200

mips: add NaN support

commit de633ed60fca535f51a4f6af24c8899321a3d69c Author: Waldemar Brodkorb wbx@uclibc-ng.org Date: Tue Aug 23 05:47:00 2016 +0200

delete dead code, use -Wdeclaration-after-statement by default

Add -Wdeclaration-after-statement when EXTRA_WARNINGS is enabled.

-----------------------------------------------------------------------

Summary of changes: Rules.mak | 11 ++++------- extra/Configs/Config.mips | 15 +++++++++++++++ ldso/ldso/Makefile.in | 3 +++ 3 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/Rules.mak b/Rules.mak index 8d0e66a..cd343f5 100644 --- a/Rules.mak +++ b/Rules.mak @@ -1,4 +1,4 @@ -# Rules.make for uClibc +# Rules.mak for uClibc # # Copyright (C) 2000-2008 Erik Andersen andersen@uclibc.org # @@ -170,7 +170,6 @@ headers_dep := $(top_builddir)include/bits/sysnum.h \ $(top_builddir)include/bits/uClibc_config.h sub_headers := $(headers_dep)

-#LIBS :=$(interp) -L$(top_builddir)lib -lc LIBS := $(interp) -L$(top_builddir)lib $(libc:.$(ABI_VERSION)=)

# Make sure DESTDIR and PREFIX can be used to install @@ -410,6 +409,8 @@ ifeq ($(TARGET_ARCH),mips) CPU_CFLAGS-$(CONFIG_MIPS_N64_ABI)+=-mabi=64 CPU_CFLAGS-$(CONFIG_MIPS_O32_ABI)+=-mabi=32 CPU_CFLAGS-$(CONFIG_MIPS_N32_ABI)+=-mabi=n32 + CPU_CFLAGS-$(CONFIG_MIPS_NAN_LEGACY)+=-mnan=legacy + CPU_CFLAGS-$(CONFIG_MIPS_NAN_2008)+=-mnan=2008 CPU_LDFLAGS-y += $(CPU_CFLAGS) endif

@@ -593,10 +594,9 @@ WARNING_FLAGS += \ -Wnonnull \ -Wold-style-declaration \ -Wold-style-definition \ + -Wdeclaration-after-statement \ -Wshadow \ -Wundef -# Works only w/ gcc-3.4 and up, can't be checked for gcc-3.x w/ check_gcc() -#WARNING_FLAGS-gcc-4 += -Wdeclaration-after-statement endif WARNING_FLAGS += $(WARNING_FLAGS-gcc-$(GCC_MAJOR_VER)) $(foreach w,$(WARNING_FLAGS),$(eval $(call check-gcc-var,$(w)))) @@ -638,9 +638,6 @@ $(eval $(call check-ld-var,--sort-common)) $(eval $(call check-ld-var,--discard-all)) LDFLAGS_NOSTRIP:=$(LDFLAG-fuse-ld) $(CPU_LDFLAGS-y) -shared \ -Wl,--warn-common $(CFLAG_-Wl--warn-once) -Wl,-z,combreloc -# binutils-2.16.1 warns about ignored sections, 2.16.91.0.3 and newer are ok -#$(eval $(call check-ld-var,--gc-sections)) -#LDFLAGS_NOSTRIP += $(LDFLAG_--gc-sections)

ifeq ($(UCLIBC_BUILD_RELRO),y) LDFLAGS_NOSTRIP+=-Wl,-z,relro diff --git a/extra/Configs/Config.mips b/extra/Configs/Config.mips index 919e80c..8137d8b 100644 --- a/extra/Configs/Config.mips +++ b/extra/Configs/Config.mips @@ -32,6 +32,21 @@ config CONFIG_MIPS_N64_ABI

endchoice

+choice + prompt "Target NAN Encoding" + default CONFIG_MIPS_NAN_LEGACY + help + This is the NAN Encoding you want to use. Chose either Legacy + or 2008. + +config CONFIG_MIPS_NAN_LEGACY + bool "LEGACY" + +config CONFIG_MIPS_NAN_2008 + bool "2008" + +endchoice + config UCLIBC_USE_MIPS_PREFETCH bool "Use MIPS prefetch optimization for memcpy/memset" default y diff --git a/ldso/ldso/Makefile.in b/ldso/ldso/Makefile.in index dde6a53..993aeb9 100644 --- a/ldso/ldso/Makefile.in +++ b/ldso/ldso/Makefile.in @@ -82,6 +82,9 @@ $(ldso:.$(ABI_VERSION)=): $($(UCLIBC_LDSO_NAME)_OUT)/$(UCLIBC_LDSO_NAME)_so.a $(call link.so,$(ldso_FULL_NAME),$(ABI_VERSION)) # link for backward compatibility (cd $(top_builddir)lib; ln -sf $(UCLIBC_LDSO_NAME).so.$(ABI_VERSION) $(UCLIBC_LDSO_NAME).so.0 ) +ifeq ($(CONFIG_MIPS_NAN_2008),y) + (cd $(top_builddir)lib; ln -sf $(UCLIBC_LDSO_NAME).so.$(ABI_VERSION) $(UCLIBC_LDSO_NAME)-mipsn8.so.0) +endif

$($(UCLIBC_LDSO_NAME)_OUT)/$(UCLIBC_LDSO_NAME)_so.a: $(ldso-y) $(Q)$(RM) $@

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