diff options
Diffstat (limited to 'gold/configure.ac')
| -rw-r--r-- | gold/configure.ac | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/gold/configure.ac b/gold/configure.ac index 4cc9569..c23117b 100644 --- a/gold/configure.ac +++ b/gold/configure.ac @@ -389,8 +389,13 @@ fi AM_CONDITIONAL(OMP_SUPPORT, test "$gold_cv_c_threadprivate" = "yes") dnl Test for the -ftls-dialect=gnu2 option. +dnl Use -Werror in case of compilers that make unknown -m options warnings. +dnl They would pass the test here, but fail in actual use when $WARN_CFLAGS +dnl gets set later by default Autoconf magic to include -Werror. (We are +dnl assuming here that there is no compiler that groks -mtls-dialect=gnu2 +dnl but does not grok -Werror.) save_CFLAGS="$CFLAGS" -CFLAGS="$CFLAGS -fpic -mtls-dialect=gnu2" +CFLAGS="$CFLAGS -Werror -fpic -mtls-dialect=gnu2" AC_COMPILE_IFELSE([ __thread int i; void foo (void) @@ -592,8 +597,13 @@ if test "$gold_cv_stat_st_mtim" = "yes"; then fi dnl Check if gcc supports the -gpubnames option. +dnl Use -Werror in case of compilers that make unknown -g options warnings. +dnl They would pass the test here, but fail in actual use when $WARN_CFLAGS +dnl gets set later by default Autoconf magic to include -Werror. (We are +dnl assuming here that there is no compiler that groks -gpubnames +dnl but does not grok -Werror.) save_CXXFLAGS="$CXXFLAGS" -CXXFLAGS="$CXXFLAGS -gpubnames" +CXXFLAGS="$CXXFLAGS -Werror -gpubnames" AC_COMPILE_IFELSE([int i;], [have_pubnames=yes], [have_pubnames=no]) CXXFLAGS="$save_CXXFLAGS" AM_CONDITIONAL(HAVE_PUBNAMES, test "$have_pubnames" = "yes") |