27 Aug
2016
27 Aug
'16
4:46 p.m.
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- Log -----------------------------------------------------------------
commit 939014ddce98bd07c774815a7f0cf379c8bde38d
Author: Waldemar Brodkorb <wbx(a)uclibc-ng.org>
Date: Thu Aug 25 23:32:43 2016 +0200
mips: add NaN support
commit de633ed60fca535f51a4f6af24c8899321a3d69c
Author: Waldemar Brodkorb <wbx(a)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(a)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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