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| author | Akim Demaille <akim.demaille@gmail.com> | 2019-10-21 10:35:01 +0200 |
|---|---|---|
| committer | Akim Demaille <akim.demaille@gmail.com> | 2019-10-21 10:35:01 +0200 |
| commit | fdef997432f7141d8eaf4396f61708fd3c52ec9d (patch) | |
| tree | 8267fa6421e0686ec2ea2a041a84114f70650460 /configure.ac | |
| parent | 0073b5ea5f365ad6f5b5d38bf6dbc4ed6165800d (diff) | |
| download | bison-fdef997432f7141d8eaf4396f61708fd3c52ec9d.tar.gz | |
build: disable -Wtautological-constant-out-of-range-compare
Also see e31f92495ce14a5d924b148c8ea1470003cc47c1 and
https://lists.gnu.org/archive/html/bug-bison/2019-10/msg00061.html
* configure.ac (warn_common): Disable
-Wtautological-constant-out-of-range-compare.
(warn_tests): Restore it.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index f055a68c..f0689070 100644 --- a/configure.ac +++ b/configure.ac @@ -94,10 +94,16 @@ AC_ARG_ENABLE([gcc-warnings], [enable_gcc_warnings=no]) AM_CONDITIONAL([ENABLE_GCC_WARNINGS], [test "$enable_gcc_warnings" = yes]) if test "$enable_gcc_warnings" = yes; then + # -Wno-tautological-constant-out-of-range-compare for Clang 3.3 and + # 3.4 on GNU/Linux that choke on intprops.h's INT_MULTIPLY_WRAPV, + # etc. It's also for these macros, but on GCC 7, 8 and 9 on macOS + # and GCC 4.6, 4.7 and 4.9 on GNU/Linux, that we disable + # -Wtype-limits globally. See + # https://lists.gnu.org/archive/html/bug-bison/2019-10/msg00061.html. warn_common='-Wall -Wextra -Wcast-align -fparse-all-comments -Wdocumentation -Wformat -Wimplicit-fallthrough -Wnull-dereference - -Wno-sign-compare -Wno-type-limits + -Wno-sign-compare -Wno-tautological-constant-out-of-range-compare -Wno-type-limits -Wpointer-arith -Wshadow -Wwrite-strings' warn_c='-Wbad-function-cast -Wstrict-prototypes' @@ -112,7 +118,8 @@ if test "$enable_gcc_warnings" = yes; then # trick in the test suite to check some private implementation # details for lalr1.cc. warn_tests='-Wundef -pedantic -Wconversion - -Wdeprecated -Wsign-compare -Wsign-conversion -Wtype-limits + -Wdeprecated -Wsign-compare -Wsign-conversion + -Wtautological-constant-out-of-range-compare -Wtype-limits -fno-color-diagnostics -Wno-keyword-macro' |