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build: disable -Wtautological-constant-out-of-range-compare

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Also see e31f92495c 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.
This commit is contained in:
Akim Demaille
2019-10-21 10:35:01 +02:00
parent 0073b5ea5f
commit fdef997432
1 changed files with 9 additions and 2 deletions
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11
configure.ac
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@@ -94,10 +94,16 @@ AC_ARG_ENABLE([gcc-warnings],
[enable_gcc_warnings=no]) [enable_gcc_warnings=no])
AM_CONDITIONAL([ENABLE_GCC_WARNINGS], [test "$enable_gcc_warnings" = yes]) AM_CONDITIONAL([ENABLE_GCC_WARNINGS], [test "$enable_gcc_warnings" = yes])
if test "$enable_gcc_warnings" = yes; then if test "$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 warn_common='-Wall -Wextra -Wcast-align
-fparse-all-comments -Wdocumentation -fparse-all-comments -Wdocumentation
-Wformat -Wimplicit-fallthrough -Wnull-dereference -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 -Wpointer-arith -Wshadow
-Wwrite-strings' -Wwrite-strings'
warn_c='-Wbad-function-cast -Wstrict-prototypes' 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 # trick in the test suite to check some private implementation
# details for lalr1.cc. # details for lalr1.cc.
warn_tests='-Wundef -pedantic -Wconversion 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 -fno-color-diagnostics
-Wno-keyword-macro' -Wno-keyword-macro'