diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 21 |
1 files changed, 20 insertions, 1 deletions
@@ -8,6 +8,9 @@ CLICOLOR_FORCE= GREP_OPTIONS= unset CLICOLOR_FORCE GREP_OPTIONS +# Don't allow CCACHE, if present, to use cached results of compile tests! +export CCACHE_RECACHE=yes + # Temporary directory used for files created while # configure runs. Since it is in the build directory # we can safely blow away any previous version of it @@ -261,6 +264,7 @@ rdma="" gprof="no" debug_tcg="no" debug="no" +fortify_source="" strip_opt="yes" tcg_interpreter="no" bigendian="no" @@ -876,6 +880,7 @@ for opt do debug_tcg="yes" debug="yes" strip_opt="no" + fortify_source="no" ;; --enable-sparse) sparse="yes" ;; @@ -4398,6 +4403,7 @@ fi # check if ccache is interfering with # semantic analysis of macros +unset CCACHE_CPP2 ccache_cpp2=no cat > $TMPC << EOF static const int Z = 1; @@ -4421,6 +4427,19 @@ if ! compile_object "-Werror"; then ccache_cpp2=yes fi +################################################# +# clang does not support glibc + FORTIFY_SOURCE. + +if test "$fortify_source" != "no"; then + if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then + fortify_source="no"; + elif echo | $cxx -dM -E - | grep __clang__ > /dev/null 2>&1 ; then + fortify_source="no"; + else + fortify_source="yes" + fi +fi + ########################################## # End of CC checks # After here, no more $cc or $ld runs @@ -4428,7 +4447,7 @@ fi if test "$gcov" = "yes" ; then CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS" LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS" -elif test "$debug" = "no" ; then +elif test "$fortify_source" = "yes" ; then CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS" fi |