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
4SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver \
5		 $(srcdir)/config/i386/libgcc-x86_64-glibc.ver
6
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.
13
14MULTILIB_OPTIONS = m64/m32
15MULTILIB_DIRNAMES = 64 32 
16MULTILIB_OSDIRNAMES = ../lib64 $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)
17
18LIBGCC = stmp-multilib
19INSTALL_LIBGCC = install-multilib
20
21EXTRA_MULTILIB_PARTS=crtbegin.o crtend.o crtbeginS.o crtendS.o \
22		     crtbeginT.o crtfastmath.o
23
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
27# section.
28CRTSTUFF_T_CFLAGS = -fno-omit-frame-pointer -fno-asynchronous-unwind-tables
29