1 # On x86-64 we do not need any exports for glibc for 64-bit libgcc_s,
2 # override the settings
3 # from t-slibgcc-elf-ver and t-linux
4 SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver \
5 $(srcdir)/config/i386/libgcc-x86_64-glibc.ver
7 # On Debian, Ubuntu and other derivative distributions, the 32bit libraries
8 # are found in /lib32 and /usr/lib32, /lib64 and /usr/lib64 are symlinks to
9 # /lib and /usr/lib, while other distributions install libraries into /lib64
10 # and /usr/lib64. The LSB does not enforce the use of /lib64 and /usr/lib64,
11 # it doesn't tell anything about the 32bit libraries on those systems. Set
12 # MULTILIB_OSDIRNAMES according to what is found on the target.
14 MULTILIB_OPTIONS = m64/m32
15 MULTILIB_DIRNAMES = 64 32
16 MULTILIB_OSDIRNAMES = ../lib64 $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)
18 LIBGCC = stmp-multilib
19 INSTALL_LIBGCC = install-multilib
21 EXTRA_MULTILIB_PARTS=crtbegin.o crtend.o crtbeginS.o crtendS.o \
22 crtbeginT.o crtfastmath.o
24 # The pushl in CTOR initialization interferes with frame pointer elimination.
25 # crtend*.o cannot be compiled without -fno-asynchronous-unwind-tables,
26 # because then __FRAME_END__ might not be the last thing in .eh_frame
28 CRTSTUFF_T_CFLAGS = -fno-omit-frame-pointer -fno-asynchronous-unwind-tables