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| author | H.J. Lu <hjl.tools@gmail.com> | 2012-01-30 21:13:30 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-01-30 21:13:30 +0000 |
| commit | 63887f3df5f9d17a88da98bdd2a761f830d61191 (patch) | |
| tree | 71ec72c56e337e99215438799e720b3a51f53b87 /gold | |
| parent | 8fc3fc345540f264ddc61b7d828b62e75e0a5049 (diff) | |
| download | gdb-63887f3df5f9d17a88da98bdd2a761f830d61191.zip gdb-63887f3df5f9d17a88da98bdd2a761f830d61191.tar.gz gdb-63887f3df5f9d17a88da98bdd2a761f830d61191.tar.bz2 | |
Check if -fpic -mtls-dialect=gnu2 works
2012-01-30 H.J. Lu <hongjiu.lu@intel.com>
* configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
* configure: Regenerated.
Diffstat (limited to 'gold')
| -rw-r--r-- | gold/ChangeLog | 5 | ||||
| -rwxr-xr-x | gold/configure | 10 | ||||
| -rw-r--r-- | gold/configure.ac | 10 |
3 files changed, 21 insertions, 4 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index 5535812..28ff513 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,8 @@ +2012-01-30 H.J. Lu <hongjiu.lu@intel.com> + + * configure.ac: Check if -fpic -mtls-dialect=gnu2 works. + * configure: Regenerated. + 2012-01-27 Ian Lance Taylor <iant@google.com> * reloc.h (Bits): New class with static functions, copied from diff --git a/gold/configure b/gold/configure index aca7cab..b1744a8 100755 --- a/gold/configure +++ b/gold/configure @@ -6437,10 +6437,16 @@ fi save_CFLAGS="$CFLAGS" -CFLAGS="$CFLAGS -mtls-dialect=gnu2" +CFLAGS="$CFLAGS -fpic -mtls-dialect=gnu2" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ -int i; + +__thread int i; +void foo (void) +{ + i = 10; +} + _ACEOF if ac_fn_c_try_compile "$LINENO"; then : have_tls_gnu2=yes diff --git a/gold/configure.ac b/gold/configure.ac index e49bf21..edc5917 100644 --- a/gold/configure.ac +++ b/gold/configure.ac @@ -359,8 +359,14 @@ AM_CONDITIONAL(OMP_SUPPORT, test "$gold_cv_c_threadprivate" = "yes") dnl Test for the -ftls-dialect=gnu2 option. save_CFLAGS="$CFLAGS" -CFLAGS="$CFLAGS -mtls-dialect=gnu2" -AC_COMPILE_IFELSE([int i;], [have_tls_gnu2=yes], [have_tls_gnu2=no]) +CFLAGS="$CFLAGS -fpic -mtls-dialect=gnu2" +AC_COMPILE_IFELSE([ +__thread int i; +void foo (void) +{ + i = 10; +} +], [have_tls_gnu2=yes], [have_tls_gnu2=no]) CFLAGS="$save_CFLAGS" AM_CONDITIONAL(TLS_GNU2_DIALECT, test "$have_tls_gnu2" = "yes") |