or1k: can be build with hard-float and fenv

mk/vars.mk

@@ -168,6 +168,10 @@ ifeq ($(ADK_TARGET_ARCH_MIPS),y)
 TARGET_CFLAGS+=		-m$(ADK_TARGET_FLOAT)-float
 TARGET_CXXFLAGS+=	-m$(ADK_TARGET_FLOAT)-float
 endif
+ifeq ($(ADK_TARGET_ARCH_OR1K),y)
+TARGET_CFLAGS+=		-m$(ADK_TARGET_FLOAT)-float
+TARGET_CXXFLAGS+=	-m$(ADK_TARGET_FLOAT)-float
+endif
 endif
 
 ifeq ($(ADK_TARGET_BINFMT_FLAT),y)

target/config/Config.in.cpu

@@ -1059,6 +1059,7 @@ config ADK_TARGET_CPU_OR1K
 	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
+	select ADK_TARGET_CPU_WITH_FPU
 	depends on ADK_TARGET_ARCH_OR1K
 
 # ppc32

target/config/Config.in.float

@@ -8,6 +8,7 @@ depends on ADK_TARGET_ARCH_ARM || \
 	   ADK_TARGET_ARCH_M68K || \
 	   ADK_TARGET_ARCH_MIPS || \
 	   ADK_TARGET_ARCH_NIOS2 || \
+	   ADK_TARGET_ARCH_OR1K || \
 	   ADK_TARGET_ARCH_PPC
 
 config ADK_TARGET_HARD_FLOAT

target/or1k/uclibc-ng.config

@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# uClibc-ng 1.0.45 C Library Configuration
+# uClibc-ng 1.0.52 C Library Configuration
 #
 # TARGET_aarch64 is not set
 # TARGET_alpha is not set
@@ -58,6 +58,7 @@ UCLIBC_HAS_FLOATS=y
 UCLIBC_HAS_FPU=y
 DO_C99_MATH=y
 DO_XSI_MATH=y
+UCLIBC_HAS_FENV=y
 UCLIBC_HAS_LONG_DOUBLE_MATH=y
 KERNEL_HEADERS=""
 HAVE_DOT_CONFIG=y

toolchain/gcc/Makefile

@@ -132,8 +132,10 @@ GCC_CONFOPTS+=		--with-arch=$(ADK_TARGET_GCC_ARCH)
 endif
 
 ifneq ($(ADK_TARGET_FLOAT),)
+ifneq ($(ADK_TARGET_ARCH_OR1K),y)
 GCC_CONFOPTS+=		--with-float=$(ADK_TARGET_FLOAT)
 endif
+endif
 
 ifneq ($(ADK_TARGET_FPU),)
 GCC_CONFOPTS+=		--with-fpu=$(ADK_TARGET_FPU)