https://bugs.gentoo.org/705730 gcc-10 enabled f-no-common by default. Broke syslinux linking. --- a/mk/com32.mk +++ b/mk/com32.mk @@ -47,6 +47,7 @@ GCCOPT += $(call gcc_ok,-falign-functions=0,-malign-functions=0) GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0) GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0) GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0) +GCCOPT += $(call gcc_ok,-fcommon) ifeq ($(FWCLASS),EFI) GCCOPT += -mno-red-zone --- a/mk/elf.mk +++ b/mk/elf.mk @@ -42,6 +42,7 @@ GCCOPT += $(call gcc_ok,-falign-functions=0,-malign-functions=0) GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0) GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0) GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0) +GCCOPT += $(call gcc_ok,-fcommon) com32 = $(topdir)/com32 core = $(topdir)/core --- a/mk/embedded.mk +++ b/mk/embedded.mk @@ -51,6 +51,7 @@ GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0) GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0) GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0) GCCOPT += $(call gcc_ok,-fvisibility=hidden) +GCCOPT += $(call gcc_ok,-fcommon) LIBGCC := $(shell $(CC) $(GCCOPT) --print-libgcc) --- a/mk/lib.mk +++ b/mk/lib.mk @@ -28,6 +28,7 @@ GCCOPT += $(call gcc_ok,-falign-functions=0,-malign-functions=0) GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0) GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0) GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0) +GCCOPT += $(call gcc_ok,-fcommon) INCLUDE = -I$(SRC) STRIP = strip --strip-all -R .comment -R .note --- a/mk/efi.mk +++ b/mk/efi.mk @@ -7,7 +7,7 @@ core = $(topdir)/core # Set up architecture specifics; for cross compilation, set ARCH as apt # gnuefi sets up architecture specifics in ia32 or x86_64 sub directories # set up the LIBDIR and EFIINC for building for the appropriate architecture -GCCOPT := $(call gcc_ok,-fno-stack-protector,) +GCCOPT := $(call gcc_ok,-fno-stack-protector,) $(call gcc_ok,-fcommon) EFIINC = $(objdir)/include/efi LIBDIR = $(objdir)/lib