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authorpracticalswift <practicalswift@users.noreply.github.com>2018-08-06 23:53:01 +0200
committerpracticalswift <practicalswift@users.noreply.github.com>2018-08-06 23:53:01 +0200
commitf04bb1361ccac2a4351fb058c5ca408b00bfd901 (patch)
tree9ddf733d8b2743e01ded191cfd350c36f1471dc7 /configure.ac
parenta9e90e500228f96935649234ed1f446668d9d9d4 (diff)
Enable -Wredundant-decls (gcc) if available
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 5851413cf4..287646f041 100644
--- a/configure.ac
+++ b/configure.ac
@@ -303,6 +303,7 @@ if test "x$CXXFLAGS_overridden" = "xno"; then
AX_CHECK_COMPILE_FLAG([-Wformat-security],[WARN_CXXFLAGS="$WARN_CXXFLAGS -Wformat-security"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wthread-safety-analysis],[WARN_CXXFLAGS="$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]])
## Some compilers (gcc) ignore unknown -Wno-* options, but warn about all
## unknown options if any other warning is produced. Test the -Wfoo case, and