diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2020-05-12 10:39:42 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-05-12 10:39:54 -0700 |
| commit | d17cdc17c90ce77cb90c569322c1f241d3530cec (patch) | |
| tree | 123c57d341267cdac580408d46ede76879f970bc /config | |
| parent | 8a6790fb4e5090624fbd71e2b895e6bdd5319fd7 (diff) | |
| download | gcc-d17cdc17c90ce77cb90c569322c1f241d3530cec.tar.gz | |
Enable CET in cross compiler if possible
Don't perform CET run-time check for host when cross compiling. Instead,
enable CET in cross compiler if possible so that it will run on both CET
and non-CET hosts.
config/
PR bootstrap/94998
* cet.m4 (GCC_CET_HOST_FLAGS): Enable CET in cross compiler if
possible.
libiberty/
PR bootstrap/94998
* configure: Regenerated.
lto-plugin/
PR bootstrap/94998
* configure: Regenerated.
Diffstat (limited to 'config')
| -rw-r--r-- | config/ChangeLog | 6 | ||||
| -rw-r--r-- | config/cet.m4 | 18 |
2 files changed, 18 insertions, 6 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index 5ab14d97559..8a8b2cbc89a 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,9 @@ +2020-05-12 H.J. Lu <hongjiu.lu@intel.com> + + PR bootstrap/94998 + * cet.m4 (GCC_CET_HOST_FLAGS): Enable CET in cross compiler if + possible. + 2020-04-28 H.J. Lu <hongjiu.lu@intel.com> PR bootstrap/94739 diff --git a/config/cet.m4 b/config/cet.m4 index ea616b728a9..d9608699cd5 100644 --- a/config/cet.m4 +++ b/config/cet.m4 @@ -111,7 +111,8 @@ if test x$may_have_cet = xyes; then fi if test x$may_have_cet = xyes; then - AC_TRY_RUN([ + if test x$cross_compiling = xno; then + AC_TRY_RUN([ static void foo (void) { @@ -137,12 +138,17 @@ main () bar (); return 0; } - ], - [have_cet=no], - [have_cet=yes]) - if test x$enable_cet = xno -a x$have_cet = xyes; then - AC_MSG_ERROR([Intel CET must be enabled on Intel CET enabled host]) + ], + [have_cet=no], + [have_cet=yes]) + if test x$enable_cet = xno -a x$have_cet = xyes; then + AC_MSG_ERROR([Intel CET must be enabled on Intel CET enabled host]) + fi fi +else + # Enable CET in cross compiler if possible so that it will run on both + # CET and non-CET hosts. + have_cet=yes fi if test x$enable_cet = xyes; then $1="-fcf-protection" |