From 360fd10ac9cb92425709c76ded0cd418662e121e Mon Sep 17 00:00:00 2001 From: Matteo Croce Date: Fri, 15 Jul 2016 12:17:20 +0200 Subject: [PATCH] gcc: optionally build gccgo compiler Tested with eglibc on x86 and armv7 so far Signed-off-by: Matteo Croce --- toolchain/gcc/Config.in | 8 ++++++++ toolchain/gcc/common.mk | 12 ++++++++++-- toolchain/gcc/final/Makefile | 9 +++++++++ toolchain/gcc/patches/5.4.0/960-go_libm.patch | 11 +++++++++++ toolchain/gcc/patches/5.4.0/970-warn_bug.patch | 11 +++++++++++ 5 files changed, 49 insertions(+), 2 deletions(-) create mode 100644 toolchain/gcc/patches/5.4.0/960-go_libm.patch create mode 100644 toolchain/gcc/patches/5.4.0/970-warn_bug.patch diff --git a/toolchain/gcc/Config.in b/toolchain/gcc/Config.in index 47425338c3..41ea61cb8a 100644 --- a/toolchain/gcc/Config.in +++ b/toolchain/gcc/Config.in @@ -70,3 +70,11 @@ config INSTALL_GFORTRAN default n help Build/install GNU fortran compiler ? + +config INSTALL_GCCGO + bool + prompt "Build/install Go compiler?" if TOOLCHAINOPTS + depends on !GCC_VERSION_4_8 && (USE_GLIBC || BROKEN) + default n + help + Build/install GNU gccgo compiler ? diff --git a/toolchain/gcc/common.mk b/toolchain/gcc/common.mk index 14b6682df1..4220cf54f3 100644 --- a/toolchain/gcc/common.mk +++ b/toolchain/gcc/common.mk @@ -69,12 +69,15 @@ HOST_STAMP_CONFIGURED:=$(GCC_BUILD_DIR)/.configured HOST_STAMP_INSTALLED:=$(STAGING_DIR_HOST)/stamp/.gcc_$(GCC_VARIANT)_installed SEP:=, -TARGET_LANGUAGES:="c,c++$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)$(if $(CONFIG_INSTALL_GFORTRAN),$(SEP)fortran)" +TARGET_LANGUAGES:="c,c++$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)$(if $(CONFIG_INSTALL_GFORTRAN),$(SEP)fortran)$(if $(CONFIG_INSTALL_GCCGO),$(SEP)go)" export libgcc_cv_fixed_point=no ifdef CONFIG_USE_UCLIBC export glibcxx_cv_c99_math_tr1=no endif +ifdef CONFIG_INSTALL_GCCGO + export libgo_cv_c_split_stack_supported=no +endif ifdef CONFIG_GCC_USE_GRAPHITE ifdef CONFIG_GCC_VERSION_4_8 @@ -164,12 +167,17 @@ ifneq ($(CONFIG_SOFT_FLOAT),y) endif endif +ifeq ($(CONFIG_TARGET_x86)$(CONFIG_USE_GLIBC)$(CONFIG_INSTALL_GCCGO),yyy) + TARGET_CFLAGS+=-fno-split-stack +endif + GCC_MAKE:= \ export SHELL="$(BASH)"; \ $(MAKE) \ CFLAGS="$(HOST_CFLAGS)" \ CFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \ - CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" + CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \ + GOCFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" define Host/SetToolchainInfo $(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk diff --git a/toolchain/gcc/final/Makefile b/toolchain/gcc/final/Makefile index 3434d894a2..01fec38027 100644 --- a/toolchain/gcc/final/Makefile +++ b/toolchain/gcc/final/Makefile @@ -39,7 +39,16 @@ define Host/Configure ); endef +ifeq ($(CONFIG_USE_GLIBC)$(CONFIG_INSTALL_GCCGO),yy) +define FixGogccCrt + # link crtX.o for gotools + mkdir -p $(GCC_BUILD_DIR)/gotools + $(foreach crt, i 1 n, ln -sf ../../glibc-dev/lib/crt$(crt).o $(GCC_BUILD_DIR)/gotools/ ; ) +endef +endif + define Host/Compile + $(FixGogccCrt) +$(GCC_MAKE) $(HOST_JOBS) -C $(GCC_BUILD_DIR) all endef diff --git a/toolchain/gcc/patches/5.4.0/960-go_libm.patch b/toolchain/gcc/patches/5.4.0/960-go_libm.patch new file mode 100644 index 0000000000..d16b0200c0 --- /dev/null +++ b/toolchain/gcc/patches/5.4.0/960-go_libm.patch @@ -0,0 +1,11 @@ +--- a/gcc/go/Make-lang.in ++++ b/gcc/go/Make-lang.in +@@ -74,7 +74,7 @@ go_OBJS = $(GO_OBJS) go/gospec.o + + go1$(exeext): $(GO_OBJS) attribs.o $(BACKEND) $(LIBDEPS) + +$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \ +- $(GO_OBJS) attribs.o $(BACKEND) $(LIBS) $(BACKENDLIBS) ++ $(GO_OBJS) attribs.o $(BACKEND) $(LIBS) $(BACKENDLIBS) -lm + + # Documentation. + diff --git a/toolchain/gcc/patches/5.4.0/970-warn_bug.patch b/toolchain/gcc/patches/5.4.0/970-warn_bug.patch new file mode 100644 index 0000000000..2c5cf9be20 --- /dev/null +++ b/toolchain/gcc/patches/5.4.0/970-warn_bug.patch @@ -0,0 +1,11 @@ +--- a/libgo/runtime/mprof.goc ++++ b/libgo/runtime/mprof.goc +@@ -403,7 +403,7 @@ func ThreadCreateProfile(p Slice) (n int + + func Stack(b Slice, all bool) (n int) { + byte *pc, *sp; +- bool enablegc; ++ bool enablegc = false; /* workaround GCC bug #36550 */ + + sp = runtime_getcallersp(&b); + pc = (byte*)(uintptr)runtime_getcallerpc(&b);