fixups for x86_64 x32 toolchain, x86_64 32 still problematic

- add a musl patch to recognize x86_64-foo-muslx32
- rework multilib configuration
- remove explicit sjlj gcc configure, as suggested by the gcc docs
- fix strace for x32

6 files changed, 59 insertions, 35 deletions

diff --git a/toolchain/Config.in b/toolchain/Config.in
index d6a578233..54016212a 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -1,7 +1,3 @@
-config ADK_TOOLCHAIN_GCC_SJLJ
-	boolean
-	default n
-
 menu "Toolchain settings"
 
 config ADK_TOOLCHAIN_GDB
@@ -17,7 +13,7 @@ config ADK_TOOLCHAIN_GCC_CXX
 config ADK_TOOLCHAIN_GCC_SSP
 	prompt "Enable Stack Smashing Protection in GCC"
 	boolean
-	default n
+	default y
 
 config ADK_TOOLCHAIN_GCC_USE_SSP
 	prompt "Use SSP for all packages"
@@ -28,7 +24,7 @@ config ADK_TOOLCHAIN_GCC_USE_SSP
 config ADK_TOOLCHAIN_GCC_LTO
 	prompt "Enable Link Time Optimization in GCC"
 	boolean
-	default n
+	default y
 
 config ADK_TOOLCHAIN_GCC_USE_LTO
 	prompt "Use Link Time Optimization for all packages"
diff --git a/toolchain/binutils/Makefile b/toolchain/binutils/Makefile
index 8ebbea53c..fc256c578 100644
--- a/toolchain/binutils/Makefile
+++ b/toolchain/binutils/Makefile
@@ -20,6 +20,12 @@ ifneq ($(strip $(ADK_LINUX_64)$(ADK_TARGET_KERNEL64)),)
 CONFOPTS+=		--enable-64-bit-bfd
 endif
 
+ifeq ($(ADK_LINUX_SH)$(ADK_LINUX_X86_64),)
+CONFOPTS+=		--disable-multilib
+else
+CONFOPTS+=		--enable-multilib
+endif
+
 ifeq (${ADK_MAKE_PARALLEL},y)
 BINUTILS_MAKEOPTS+=	-j${ADK_MAKE_JOBS}
 endif
@@ -31,7 +37,6 @@ $(WRKBUILD)/.configured:
 		--prefix=$(STAGING_HOST_DIR) \
 		--target=$(GNU_TARGET_NAME) \
 		--with-sysroot=$(STAGING_TARGET_DIR) \
-		--disable-multilib \
 		--disable-dependency-tracking \
 		--disable-libtool-lock \
 		--disable-nls \
diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile
index f93f9d7cf..475c90662 100644
--- a/toolchain/gcc/Makefile
+++ b/toolchain/gcc/Makefile
@@ -4,11 +4,11 @@
 include $(TOPDIR)/rules.mk
 include ../rules.mk
 
-TARGET_CFLAGS:=	$(filter-out -fstack-protector,$(TARGET_CFLAGS))
+TARGET_CFLAGS:=		$(filter-out -fstack-protector,$(TARGET_CFLAGS))
 
 include Makefile.inc
 
-GCC_CONFOPTS=		--prefix=$(STAGING_HOST_DIR) \
+GCC_CONFOPTS:=		--prefix=$(STAGING_HOST_DIR) \
 			--with-bugurl="http://www.openadk.org/" \
 			--build=$(GNU_HOST_NAME) \
 			--host=$(GNU_HOST_NAME) \
@@ -28,41 +28,43 @@ GCC_CONFOPTS=		--prefix=$(STAGING_HOST_DIR) \
 			--disable-libstdcxx-pch \
 			--disable-ppl-version-check \
 			--disable-cloog-version-check \
+			--without-system-zlib \
 			--without-ppl \
 			--without-cloog \
 			--without-isl \
 			--disable-nls
 
-ifeq ($(ADK_TOOLCHAIN_GCC_SJLJ),y)
-GCC_CONFOPTS+=		--enable-sjlj-exceptions
-else
-GCC_CONFOPTS+=		--disable-sjlj-exceptions
-endif
-
+GCC_FINAL_CONFOPTS:=
 ifeq ($(ADK_LINUX_SH)$(ADK_LINUX_X86_64),)
-GCC_CONFOPTS+=		--disable-biarch --disable-multilib
+GCC_FINAL_CONFOPTS+=	--disable-biarch --disable-multilib
 endif
+
 ifeq ($(ADK_LINUX_SH),y)
-GCC_CONFOPTS+=		--with-multilib-list=m4,m4-nofpu
+GCC_FINAL_CONFOPTS+=	--enable-multilib --with-multilib-list=m4,m4-nofpu
 endif
+
 ifeq ($(ADK_LINUX_X86_64),y)
 ifeq ($(ADK_x32),y)
-GCC_CONFOPTS+=		--with-multilib-list=mx32
-else
-GCC_CONFOPTS+=		--disable-biarch --disable-multilib
+GCC_FINAL_CONFOPTS+=	--enable-multilib --with-multilib-list=mx32
+endif
+ifeq ($(ADK_32),y)
+GCC_FINAL_CONFOPTS+=	--enable-multilib --with-multilib-list=m32
+endif
+ifeq ($(ADK_64),y)
+GCC_FINAL_CONFOPTS+=	--disable-biarch --disable-multilib
 endif
 endif
 
 ifeq ($(ADK_TOOLCHAIN_GCC_SSP),y)
-GCC_CONFOPTS+=		--enable-libssp
+GCC_FINAL_CONFOPTS+=	--enable-libssp
 else
-GCC_CONFOPTS+=		--disable-libssp
+GCC_FINAL_CONFOPTS+=	--disable-libssp
 endif
 
 ifeq ($(ADK_TOOLCHAIN_GCC_LTO),y)
-GCC_CONFOPTS+=		--enable-lto
+GCC_FINAL_CONFOPTS+=	--enable-lto
 else
-GCC_CONFOPTS+=		--disable-lto
+GCC_FINAL_CONFOPTS+=	--disable-lto
 endif
 
 ifeq ($(ADK_LINUX_PPC),y)
@@ -132,6 +134,9 @@ endif
 		$(WRKBUILD)/configure \
 			${GCC_CONFOPTS} \
 			--enable-languages=c \
+			--disable-multilib \
+			--disable-lto \
+			--disable-libssp \
 			--disable-shared \
 			--without-headers
 	touch $@
@@ -151,6 +156,7 @@ $(GCC_BUILD_DIR_INITIAL)/.configured:
 		CXXFLAGS="-O0 -g0" \
 		$(WRKBUILD)/configure \
 			${GCC_CONFOPTS} \
+			${GCC_FINAL_CONFOPTS} \
 			--enable-languages=c \
 			--disable-shared \
 			--disable-threads \
@@ -171,6 +177,7 @@ $(GCC_BUILD_DIR_FINAL)/.configured:
 	cd $(GCC_BUILD_DIR_FINAL); PATH='$(TARGET_PATH)' \
 		$(WRKBUILD)/configure \
 			${GCC_CONFOPTS} \
+			${GCC_FINAL_CONFOPTS} \
 			--enable-languages=$(LANGUAGES) \
 			--with-build-sysroot='$${prefix}/${STAGING_HOST2TARGET}' \
 			--with-sysroot='$${prefix}/${STAGING_HOST2TARGET}' \
diff --git a/toolchain/glibc/Makefile b/toolchain/glibc/Makefile
index 41987bada..4af17c3d7 100644
--- a/toolchain/glibc/Makefile
+++ b/toolchain/glibc/Makefile
@@ -5,13 +5,13 @@ include $(TOPDIR)/rules.mk
 include ../rules.mk
 
 # glibc does not compile with Os
-TARGET_CFLAGS_LIBC:= $(subst Os,O2,$(TARGET_CFLAGS_LIBC))
+TARGET_CFLAGS:=		$(subst Os,O2,$(TARGET_CFLAGS))
 ifneq ($(ADK_DEBUG),)
-TARGET_CFLAGS_LIBC+=	-O2
+TARGET_CFLAGS+=		-O2
 endif
 
 # ssp partially supported
-TARGET_CFLAGS_LIBC:=	$(filter-out -fstack-protector,$(TARGET_CFLAGS_LIBC))
+TARGET_CFLAGS:=		$(filter-out -fstack-protector,$(TARGET_CFLAGS))
 
 include Makefile.inc
 include ${TOPDIR}/mk/buildhlp.mk
diff --git a/toolchain/glibc/Makefile.inc b/toolchain/glibc/Makefile.inc
index 3c1a3167d..6671f1e2d 100644
--- a/toolchain/glibc/Makefile.inc
+++ b/toolchain/glibc/Makefile.inc
@@ -6,8 +6,13 @@ PKG_VERSION:=		2.19
 PKG_RELEASE:=		1
 PKG_MD5SUM:=		5374d29864b583622b62bfc6b8429418
 PKG_SITES:=		${MASTER_SITE_GNU:=glibc/}
+ifeq ($(ADK_TARGET_ABI_32),y)
+GLIBC_TARGET_NAME:=	i686-openadk-linux-gnu
+else
+GLIBC_TARGET_NAME:=	$(GNU_TARGET_NAME)
+endif
 GLIBC_CONFOPTS:=	--build=$(GNU_HOST_NAME) \
-			--host=$(GNU_TARGET_NAME) \
+			--host=$(GLIBC_TARGET_NAME) \
 			--with-headers=$(STAGING_TARGET_DIR)/usr/include \
 			--disable-sanity-checks \
 			--disable-nls \
@@ -21,16 +26,15 @@ GLIBC_CONFOPTS:=	--build=$(GNU_HOST_NAME) \
 			--enable-kernel="2.6.32" \
 			--enable-add-ons
 GLIBC_ENV:=             PATH='${TARGET_PATH}' \
+			SHELL='${SHELL}' \
                         BUILD_CC=${CC_FOR_BUILD} \
-                        CFLAGS="$(TARGET_CFLAGS_LIBC)" \
-                        CC=${GNU_TARGET_NAME}-gcc \
-                        CXX=${GNU_TARGET_NAME}-g++ \
-                        AR=${GNU_TARGET_NAME}-ar \
-                        RANLIB=${GNU_TARGET_NAME}-ranlib \
+                        CFLAGS="$(TARGET_CFLAGS)" \
+                        CC="${TARGET_CC}" \
+                        CXX="${TARGET_CXX}" \
+                        AR="${TARGET_AR}" \
+                        RANLIB="${TARGET_RANLIB}" \
                         libc_cv_forced_unwind=yes \
 			libc_cv_cc_with_libunwind=yes \
                         libc_cv_c_cleanup=yes \
                         libc_cv_gnu99_inline=yes \
-			libc_cv_sparc64_tls=yes \
-			libc_cv_slibdir="/lib" \
 			libc_cv_initfini_array=yes \
diff --git a/toolchain/musl/patches/musl-x32.patch b/toolchain/musl/patches/musl-x32.patch
new file mode 100644
index 000000000..c391e4c85
--- /dev/null
+++ b/toolchain/musl/patches/musl-x32.patch
@@ -0,0 +1,12 @@
+diff -Nur musl-0.9.15.orig/configure musl-0.9.15/configure
+--- musl-0.9.15.orig/configure	2014-03-16 21:17:29.000000000 +0100
++++ musl-0.9.15/configure	2014-03-16 22:46:46.000000000 +0100
+@@ -226,7 +226,7 @@
+ mips64*|powerpc64*) fail "$0: unsupported target \"$target\"" ;;
+ arm*) ARCH=arm ;;
+ i?86*) ARCH=i386 ;;
+-x86_64-x32*|x32*) ARCH=x32 ;;
++x86_64*x32) ARCH=x32 ;;
+ x86_64*) ARCH=x86_64 ;;
+ mips*) ARCH=mips ;;
+ microblaze*) ARCH=microblaze ;;