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| author | H.J. Lu <hjl.tools@gmail.com> | 2012-01-27 23:23:37 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-01-27 23:23:37 +0000 |
| commit | 24482ca0577ae94fdfa6523d4a5942fc3a610d47 (patch) | |
| tree | 9ed331669e50e1e776d9d1ff5627fc93b1c1b442 /gold | |
| parent | 690834b28c79871fe960ccd34838e82a700ee003 (diff) | |
| download | gdb-24482ca0577ae94fdfa6523d4a5942fc3a610d47.zip gdb-24482ca0577ae94fdfa6523d4a5942fc3a610d47.tar.gz gdb-24482ca0577ae94fdfa6523d4a5942fc3a610d47.tar.bz2 | |
Check if -mcmodel=medium works
2012-01-27 H.J. Lu <hongjiu.lu@intel.com>
* configure.ac: Check if -mcmodel=medium works.
* configure: Regenerated.
Diffstat (limited to 'gold')
| -rw-r--r-- | gold/ChangeLog | 5 | ||||
| -rwxr-xr-x | gold/configure | 15 | ||||
| -rw-r--r-- | gold/configure.ac | 6 |
3 files changed, 24 insertions, 2 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index 8ff8048..8ed05f5 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,8 @@ +2012-01-27 H.J. Lu <hongjiu.lu@intel.com> + + * configure.ac: Check if -mcmodel=medium works. + * configure: Regenerated. + 2012-01-24 Cary Coutant <ccoutant@google.com> * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline diff --git a/gold/configure b/gold/configure index 3dddec6..aca7cab 100755 --- a/gold/configure +++ b/gold/configure @@ -6312,7 +6312,20 @@ fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gold_cv_prog_gcc41" >&5 $as_echo "$gold_cv_prog_gcc41" >&6; } - if test "$target_cpu" = "x86_64" -a "$gold_cv_prog_gcc41" = "yes"; then +save_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -mcmodel=medium" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int i; +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + have_mcmodel_medium=yes +else + have_mcmodel_medium=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +CFLAGS="$save_CFLAGS" + if test "$target_cpu" = "x86_64" -a "$have_mcmodel_medium" = "yes" -a "$gold_cv_prog_gcc41" = "yes"; then MCMODEL_MEDIUM_TRUE= MCMODEL_MEDIUM_FALSE='#' else diff --git a/gold/configure.ac b/gold/configure.ac index 1b46f4a..e49bf21 100644 --- a/gold/configure.ac +++ b/gold/configure.ac @@ -312,9 +312,13 @@ error #endif ], [gold_cv_prog_gcc41=yes], [gold_cv_prog_gcc41=no])]) +save_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -mcmodel=medium" +AC_COMPILE_IFELSE([int i;], [have_mcmodel_medium=yes], [have_mcmodel_medium=no]) +CFLAGS="$save_CFLAGS" dnl Whether we can test -mcmodel=medium. AM_CONDITIONAL(MCMODEL_MEDIUM, -[test "$target_cpu" = "x86_64" -a "$gold_cv_prog_gcc41" = "yes"]) +[test "$target_cpu" = "x86_64" -a "$have_mcmodel_medium" = "yes" -a "$gold_cv_prog_gcc41" = "yes"]) dnl Test for __thread support. AC_CACHE_CHECK([for thread support], [gold_cv_c_thread], |