diff options
Diffstat (limited to 'gold/configure')
| -rwxr-xr-x | gold/configure | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gold/configure b/gold/configure index b84234a..b9967ae 100755 --- a/gold/configure +++ b/gold/configure @@ -7266,6 +7266,39 @@ $as_echo "#define HAVE_TR1_UNORDERED_MAP_REHASH 1" >>confdefs.h fi +# Use of tr1/unordered_map with off_t as a key is not supported on GCC +# 4.1.xx when compiling in 32-bit mode with a 64-bit off_t type. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether std::tr1::hash<off_t> is defined" >&5 +$as_echo_n "checking whether std::tr1::hash<off_t> is defined... " >&6; } +if test "${gold_cv_hash_off_t+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + CXXFLAGS_hold=$CXXFLAGS +CXXFLAGS="$CXXFLAGS $LFS_CFLAGS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include <sys/types.h> +#include <tr1/unordered_map> +std::tr1::hash<off_t> h; + +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + gold_cv_hash_off_t=yes +else + gold_cv_hash_off_t=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +CXXFLAGS=$CFLAGS_hold +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gold_cv_hash_off_t" >&5 +$as_echo "$gold_cv_hash_off_t" >&6; } +if test "$gold_cv_hash_off_t" = "yes"; then + +$as_echo "#define HAVE_TR1_HASH_OFF_T 1" >>confdefs.h + +fi + # gcc 4.3.0 doesn't recognize the printf attribute on a template # function. Check for that. This is gcc bug 35546. This test can # probably be removed after the bug has been fixed for a while. |