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| author | INADA Naoki <methane@users.noreply.github.com> | 2018-06-05 20:40:53 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-06-05 20:40:53 +0900 |
| commit | e33648484775fa533fc8f1e5cc45f60061d29d54 (patch) | |
| tree | b849302a2a14c737ae813cd9e0c4185221c2d4be /configure.ac | |
| parent | 5f48e2644dcfb47f0bbc0fcdc2b103a19bdec288 (diff) | |
| download | cpython-git-e33648484775fa533fc8f1e5cc45f60061d29d54.tar.gz | |
bpo-5755: Move -Wstrict-prototypes to CFLAGS_NODIST (GH-7395)
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/configure.ac b/configure.ac index 189273daca..67cf817456 100644 --- a/configure.ac +++ b/configure.ac @@ -1421,9 +1421,6 @@ if test "${OPT-unset}" = "unset" then case $GCC in yes) - if test "$CC" != 'g++' ; then - STRICT_PROTO="-Wstrict-prototypes" - fi # For gcc 4.x we need to use -fwrapv so lets check if its supported if "$CC" -v --help 2>/dev/null |grep -- -fwrapv > /dev/null; then WRAP="-fwrapv" @@ -1470,8 +1467,6 @@ then ;; esac - OPT="$OPT $STRICT_PROTO" - case $ac_sys_system in SCO_SV*) OPT="$OPT -m486 -DSCO5" ;; @@ -1678,6 +1673,26 @@ yes) fi AC_MSG_RESULT($ac_cv_enable_unreachable_code_warning) + AC_MSG_CHECKING(if we can turn on $CC strict-prototypes warning) + ac_save_cc="$CC" + CC="$CC -Werror -Wstrict-prototypes" + AC_CACHE_VAL(ac_cv_enable_enable_strict_prototypes_warning, + AC_COMPILE_IFELSE( + [ + AC_LANG_PROGRAM([[]], [[]]) + ],[ + ac_cv_enable_strict_prototypes_warning=yes + ],[ + ac_cv_enable_strict_prototypes_warning=no + ])) + CC="$ac_save_cc" + AC_MSG_RESULT($ac_cv_enable_strict_prototypes_warning) + + if test $ac_cv_enable_strict_prototypes_warning = yes + then + CFLAGS_NODIST="$CFLAGS_NODIST -Wstrict-prototypes" + fi + AC_MSG_CHECKING(if we can make implicit function declaration an error in $CC) ac_save_cc="$CC" CC="$CC -Werror=implicit-function-declaration" |