diff options
| author | Michael Biebl <biebl@debian.org> | 2021-02-11 18:11:46 +0100 |
|---|---|---|
| committer | Michael Biebl <biebl@debian.org> | 2021-02-11 18:11:46 +0100 |
| commit | 80ec1decc49c72efec2a8b87c06245c92c0ab807 (patch) | |
| tree | e3b229aa94e8dcf0590f2317664176e7b8f7607b /m4/compiler_options.m4 | |
| parent | 65f86e8f56267192d42f2b629fc6b0c99fb9cd0c (diff) | |
New upstream version 1.29.90 upstream/1.29.90
Diffstat (limited to 'm4/compiler_options.m4')
| -rw-r--r-- | m4/compiler_options.m4 | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/m4/compiler_options.m4 b/m4/compiler_options.m4 index d390a90c..b4b5e78d 100644 --- a/m4/compiler_options.m4 +++ b/m4/compiler_options.m4 @@ -62,8 +62,13 @@ if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then if test "x$enable_lto" = xyes; then dnl With LTO and optimizations enabled, gcc 10.2.1-1.fc32 is really - dnl adamant to warn about correct uses of strncpy. Disable that warning. + dnl adamant to warn about correct uses of strncpy. Disable "-Wstringop-overflow". _CFLAGS_MORE_WARNINGS_DISABLE_LTO="-Wno-stringop-overflow" + + dnl We want to build with "-Wmaybe-uninitialized" enabled. With LTO that + dnl can easily lead to false positives. For manual testing, disable the + dnl warning here by uncommenting the following line. + dnl _CFLAGS_MORE_WARNINGS_DISABLE_LTO="$_CFLAGS_MORE_WARNINGS_DISABLE_LTO -Wno-error=maybe-uninitialized" else _CFLAGS_MORE_WARNINGS_DISABLE_LTO= fi @@ -102,7 +107,7 @@ if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then -Wno-unused-parameter \ ; do dnl GCC 4.4 does not warn when checking for -Wno-* flags (https://gcc.gnu.org/wiki/FAQ#wnowarning) - _NM_COMPILER_FLAG([-Wall $(printf '%s' "$option" | sed 's/^-Wno-/-W/')], [], + _NM_COMPILER_FLAG([-Wall $(printf '%s' "$option" | sed -e 's/^-W\(no-\|no-error=\)/-W/')], [], [CFLAGS_MORE_WARNINGS="$CFLAGS_MORE_WARNINGS $option"], []) done unset option |