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| author | Serhiy Storchaka <storchaka@gmail.com> | 2018-05-25 13:16:51 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-05-25 13:16:51 +0300 |
| commit | ef91ddeae79497fac25545dd68ee55a5a3c60e8d (patch) | |
| tree | 0dc17d8800827ea6da651a993bb8204b1d462d37 /configure.ac | |
| parent | 82d727fce68577d9f44f9ecfaf20bd4581a66404 (diff) | |
| download | cpython-git-ef91ddeae79497fac25545dd68ee55a5a3c60e8d.tar.gz | |
bpo-33012: Add -Wno-cast-function-type for gcc 8. (GH-6757)
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 59489047fc..11fc7e545d 100644 --- a/configure.ac +++ b/configure.ac @@ -1660,6 +1660,26 @@ yes) CFLAGS_NODIST="$CFLAGS_NODIST -Wno-missing-field-initializers" fi + AC_MSG_CHECKING(if we can turn off $CC invalid function cast warning) + ac_save_cc="$CC" + CC="$CC -Wcast-function-type -Werror" + AC_CACHE_VAL(ac_cv_disable_cast_function_type, + AC_COMPILE_IFELSE( + [ + AC_LANG_PROGRAM([[]], [[]]) + ],[ + ac_cv_disable_cast_function_type=yes + ],[ + ac_cv_disable_cast_function_type=no + ])) + CC="$ac_save_cc" + AC_MSG_RESULT($ac_cv_disable_cast_function_type) + + if test $ac_cv_disable_cast_function_type = yes + then + CFLAGS_NODIST="$CFLAGS_NODIST -Wno-cast-function-type" + fi + AC_MSG_CHECKING(if we can turn on $CC mixed sign comparison warning) ac_save_cc="$CC" CC="$CC -Wsign-compare" |