diff options
| author | Sjors Provoost <sjors@sprovoost.nl> | 2019-11-15 10:23:48 +0100 |
|---|---|---|
| committer | Sjors Provoost <sjors@sprovoost.nl> | 2019-11-15 17:35:59 +0100 |
| commit | 18b18f8e813b332d0ce6b0af19c9cb265f043776 (patch) | |
| tree | 410961b752f7b80f2b05cb25239e1b7fd46e93a9 | |
| parent | 21ee676dd6a7d9704367b6412bf8e1e443ec2b5b (diff) | |
[build] ./configure --enable-werror: add unused-variable
Turn corresponding warning on by default (not always covered by -Wall).
| -rw-r--r-- | configure.ac | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 8bde6d9bc4..998c82916a 100644 --- a/configure.ac +++ b/configure.ac @@ -329,6 +329,7 @@ if test "x$enable_werror" = "xyes"; then AX_CHECK_COMPILE_FLAG([-Werror=vla],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=vla"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Werror=switch],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=switch"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Werror=thread-safety-analysis],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=thread-safety-analysis"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Werror=unused-variable],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=unused-variable"],,[[$CXXFLAG_WERROR]]) fi if test "x$CXXFLAGS_overridden" = "xno"; then @@ -341,6 +342,7 @@ if test "x$CXXFLAGS_overridden" = "xno"; then AX_CHECK_COMPILE_FLAG([-Wthread-safety-analysis],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wthread-safety-analysis"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wrange-loop-analysis],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wrange-loop-analysis"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wredundant-decls],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wredundant-decls"],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-Wunused-variable],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wunused-variable"],,[[$CXXFLAG_WERROR]]) ## Some compilers (gcc) ignore unknown -Wno-* options, but warn about all ## unknown options if any other warning is produced. Test the -Wfoo case, and |