dynamically allocate ahostbuf buffer

[uclinux-h8/uclibc-ng.git] / Rules.mak

diff --git a/Rules.mak b/Rules.mak
index 72e55f5..c609c1d 100644 (file)
--- a/Rules.mak
+++ b/Rules.mak
@@ -67,9 +67,6 @@ AWK        = awk
 
 STRIP_FLAGS ?= -x -R .note -R .comment
 
-## unused? if yes, remove after 0.9.31
-## UNIFDEF := $(top_builddir)extra/scripts/unifdef
-
 # Select the compiler needed to build binaries for your development system
 HOSTCC     = gcc
 BUILD_CFLAGS = -Os
@@ -168,7 +165,8 @@ libpthread.depend := $(top_builddir)lib/libpthread.so
 endif
 interp := $(top_builddir)lib/interp.os
 ldso := $(top_builddir)lib/$(UCLIBC_LDSO)
-headers_dep := $(top_builddir)include/bits/sysnum.h
+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
@@ -254,6 +252,7 @@ ARFLAGS:=cr
 
 # Note: The check for -nostdlib has to be before all calls to check_ld
 $(eval $(call check-gcc-var,-nostdlib))
+$(eval $(call check-gcc-var,-nostartfiles))
 # deliberately not named CFLAG-fuse-ld since unchecked and from user
 LDFLAG-fuse-ld := $(filter -fuse-ld=%,$(call qstrip,$(UCLIBC_EXTRA_CFLAGS)))
 # failed to merge target specific data of file /dev/null
@@ -294,25 +293,23 @@ CPU_CFLAGS-y := -funsigned-char -fno-builtin
 
 $(eval $(call check-gcc-var,-fno-asm))
 CPU_CFLAGS-y += $(CFLAG_-fno-asm)
+$(eval $(call check-gcc-var,-fmerge-all-constants))
+CPU_CFLAGS-y += $(CFLAG_-fmerge-all-constants)
 
 LDADD_LIBFLOAT=
 ifeq ($(UCLIBC_HAS_SOFT_FLOAT),y)
-# If -msoft-float isn't supported, we want an error anyway.
-# Hmm... might need to revisit this for arm since it has 2 different
-# soft float encodings.
-ifneq ($(TARGET_ARCH),nios)
+ifneq ($(TARGET_ARCH),bfin)
+ifneq ($(TARGET_ARCH),lm32)
 ifneq ($(TARGET_ARCH),nios2)
 ifneq ($(TARGET_ARCH),sh)
 ifneq ($(TARGET_ARCH),c6x)
+ifneq ($(TARGET_ARCH),h8300)
 CPU_CFLAGS-y += -msoft-float
 endif
 endif
 endif
 endif
-ifeq ($(TARGET_ARCH),arm)
-# No longer needed with current toolchains, but leave it here for now.
-# If anyone is actually still using gcc 2.95 (say), they can uncomment it.
-#    LDADD_LIBFLOAT=-lfloat
+endif
 endif
 endif
 
@@ -331,6 +328,9 @@ PICFLAG-$(UCLIBC_FORMAT_DSBT_ELF)  := -mdsbt -fpic
 PICFLAG := $(PICFLAG-y)
 PIEFLAG_NAME:=-fPIE
 
+$(eval $(call check-gcc-var,-fdata-sections))
+$(eval $(call check-gcc-var,-ffunction-sections))
+
 # Some nice CPU specific optimizations
 ifeq ($(TARGET_ARCH),i386)
 $(eval $(call check-gcc-var,-fomit-frame-pointer))
@@ -404,31 +404,10 @@ endif
 
 ifeq ($(TARGET_ARCH),mips)
        OPTIMIZATION+=-mno-split-addresses
-       CPU_CFLAGS-$(CONFIG_MIPS_ISA_1)+=-mips1
-       CPU_CFLAGS-$(CONFIG_MIPS_ISA_2)+=-mips2 -mtune=mips2
-       CPU_CFLAGS-$(CONFIG_MIPS_ISA_3)+=-mips3 -mtune=mips3
-       CPU_CFLAGS-$(CONFIG_MIPS_ISA_4)+=-mips4 -mtune=mips4
-       CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS32)+=-mips32 -mtune=mips32
-       CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS32R2)+=-march=mips32r2 -mtune=mips32r2
-       CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS64)+=-mips64 -mtune=mips32
-       CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS64R2)+=-mips64r2 -mtune=mips64r2
-       ifeq ($(strip $(ARCH_BIG_ENDIAN)),y)
-               CPU_LDFLAGS-$(CONFIG_MIPS_N64_ABI)+=-Wl,-melf64btsmip
-               CPU_LDFLAGS-$(CONFIG_MIPS_O32_ABI)+=-Wl,-melf32btsmip
-       endif
-       ifeq ($(strip $(ARCH_LITTLE_ENDIAN)),y)
-               CPU_LDFLAGS-$(CONFIG_MIPS_N64_ABI)+=-Wl,-melf64ltsmip
-               CPU_LDFLAGS-$(CONFIG_MIPS_O32_ABI)+=-Wl,-melf32ltsmip
-       endif
        CPU_CFLAGS-$(CONFIG_MIPS_N64_ABI)+=-mabi=64
        CPU_CFLAGS-$(CONFIG_MIPS_O32_ABI)+=-mabi=32
        CPU_CFLAGS-$(CONFIG_MIPS_N32_ABI)+=-mabi=n32
-endif
-
-ifeq ($(TARGET_ARCH),nios)
-       OPTIMIZATION+=-funaligned-struct-hack
-       CPU_LDFLAGS-y+=-Wl,-m32
-       CPU_CFLAGS-y+=-Wl,-m32
+       CPU_LDFLAGS-y += $(CPU_CFLAGS)
 endif
 
 ifeq ($(TARGET_ARCH),sh)
@@ -441,22 +420,15 @@ $(eval $(call check-gcc-var,-mprefergot))
 ifeq ($(UCLIBC_HAS_FPU),y)
        CPU_CFLAGS-$(CONFIG_SH2A)+=-m2a
        CPU_CFLAGS-$(CONFIG_SH4)+=-m4
+       CPU_CFLAGS-$(CONFIG_SH4A)+=-m4a
 else
        CPU_CFLAGS-$(CONFIG_SH2A)+=-m2a-nofpu
        CPU_CFLAGS-$(CONFIG_SH4)+=-m4-nofpu
+       CPU_CFLAGS-$(CONFIG_SH4A)+=-m4a-nofpu
 endif
 endif
 
-ifeq ($(TARGET_ARCH),sh64)
-       CPU_CFLAGS-$(ARCH_LITTLE_ENDIAN):=-ml
-       CPU_CFLAGS-$(ARCH_BIG_ENDIAN):=-mb
-       CPU_CFLAGS-$(CONFIG_SH5)+=-m5-32media
-endif
-
 ifeq ($(TARGET_ARCH),h8300)
-       SYMBOL_PREFIX=_
-       CPU_LDFLAGS-$(CONFIG_H8300H)+= -Wl,-ms8300h
-       CPU_LDFLAGS-$(CONFIG_H8S)   += -Wl,-ms8300s
        CPU_CFLAGS-$(CONFIG_H8300H) += -mh -mint32
        CPU_CFLAGS-$(CONFIG_H8S)    += -ms -mint32
 endif
@@ -465,10 +437,6 @@ ifeq ($(TARGET_ARCH),i960)
        OPTIMIZATION+=-mh -mint32 #-fsigned-char
 endif
 
-ifeq ($(TARGET_ARCH),e1)
-       OPTIMIZATION+=-mgnu-param
-endif
-
 ifeq ($(TARGET_ARCH),cris)
        CPU_LDFLAGS-$(CONFIG_CRIS)+=-Wl,-mcrislinux
        CPU_LDFLAGS-$(CONFIG_CRISV32)+=-Wl,-mcrislinux
@@ -546,6 +514,7 @@ endif
 ifeq ($(TARGET_ARCH),arc)
        CPU_CFLAGS-y += -mlock -mswape
        CPU_CFLAGS-$(CONFIG_ARC_CPU_700) += -mA7
+       CPU_CFLAGS-$(CONFIG_ARC_CPU_HS) += -mcpu=archs
        CPU_LDFLAGS-y += $(CPU_CFLAGS) -marclinux
 endif
 
@@ -665,9 +634,6 @@ LDFLAGS_NOSTRIP:=$(LDFLAG-fuse-ld) $(CPU_LDFLAGS-y) -shared \
 #$(eval $(call check-ld-var,--gc-sections))
 #LDFLAGS_NOSTRIP += $(LDFLAG_--gc-sections)
 
-$(eval $(call check-gcc-var,-fdata-sections))
-$(eval $(call check-gcc-var,-ffunction-sections))
-
 ifeq ($(UCLIBC_BUILD_RELRO),y)
 LDFLAGS_NOSTRIP+=-Wl,-z,relro
 endif
@@ -688,14 +654,18 @@ LDFLAGS_NOSTRIP += $(CFLAG_-Wl--hash-style=gnu)
 endif
 endif
 
-LDFLAGS:=$(LDFLAGS_NOSTRIP) -Wl,-z,defs
 ifeq ($(DODEBUG),y)
 CFLAGS += -O0 -g3 -DDEBUG
 else
 CFLAGS += $(OPTIMIZATION)
 CFLAGS += $(OPTIMIZATION-$(GCC_MAJOR_VER))
 CFLAGS += $(OPTIMIZATION-$(GCC_MAJOR_VER).$(GCC_MINOR_VER))
+$(eval $(call check-ld-var,-O2))
+LDFLAGS_NOSTRIP += $(CFLAG_-Wl-O2)
 endif
+
+LDFLAGS:=$(LDFLAGS_NOSTRIP) -Wl,-z,defs
+
 ifeq ($(DOSTRIP),y)
 LDFLAGS += -Wl,-s
 else
@@ -734,9 +704,7 @@ ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y)
        PTNAME := nptl
        CFLAGS += -DHAVE_FORCED_UNWIND -D_LIBC_REENTRANT
 else
-ifeq ($(LINUXTHREADS_OLD),y)
-       PTNAME := linuxthreads.old
-else
+ifeq ($(UCLIBC_HAS_LINUXTHREADS),y)
        PTNAME := linuxthreads
 endif
 endif