diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/configure.in b/configure.in index 2e7ebae..c6eabad 100644 --- a/configure.in +++ b/configure.in @@ -732,6 +732,10 @@ then if test "$CC" != 'g++' ; then STRICT_PROTO="-Wstrict-prototypes" fi + # For gcc 4.x we need to use -fwrapv so lets check if its supported + if "$CC" -v --help 2>/dev/null |grep -- -fwrapv > /dev/null; then + WRAP="-fwrapv" + fi case $ac_cv_prog_cc_g in yes) if test "$Py_DEBUG" = 'true' ; then @@ -739,7 +743,7 @@ then # debug builds. OPT="-g -Wall $STRICT_PROTO" else - OPT="-g -O3 -Wall $STRICT_PROTO" + OPT="-g $WRAP -O3 -Wall $STRICT_PROTO" fi ;; *) |