diff options
Diffstat (limited to 'gcc/config/rs6000/t-linux64')
| -rw-r--r-- | gcc/config/rs6000/t-linux64 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/config/rs6000/t-linux64 b/gcc/config/rs6000/t-linux64 index 2c30a89892f..d61cd80ca16 100644 --- a/gcc/config/rs6000/t-linux64 +++ b/gcc/config/rs6000/t-linux64 @@ -6,12 +6,19 @@ LIB2FUNCS_EXTRA = tramp.S $(srcdir)/config/rs6000/ppc64-fp.c \ TARGET_LIBGCC2_CFLAGS += -mno-minimal-toc +# On Debian, Ubuntu and other derivative distributions, the 32bit libraries +# are found in /lib32 and /usr/lib32, /lib64 and /usr/lib64 are symlinks to +# /lib and /usr/lib, while other distributions install libraries into /lib64 +# and /usr/lib64. The LSB does not enforce the use of /lib64 and /usr/lib64, +# it doesn't tell anything about the 32bit libraries on those systems. Set +# MULTILIB_OSDIRNAMES according to what is found on the target. + MULTILIB_OPTIONS = m64/m32 msoft-float MULTILIB_DIRNAMES = 64 32 nof MULTILIB_EXTRA_OPTS = fPIC mstrict-align MULTILIB_EXCEPTIONS = m64/msoft-float MULTILIB_EXCLUSIONS = m64/!m32/msoft-float -MULTILIB_OSDIRNAMES = ../lib64 ../lib nof +MULTILIB_OSDIRNAMES = ../lib64 $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib) nof MULTILIB_MATCHES = $(MULTILIB_MATCHES_FLOAT) # We want fine grained libraries, so use the new code to build the |