Fix flag that clang knows nothing about.

[awesomized/libmemcached] / m4 / ax_harden_compiler_flags.m4

diff --git a/m4/ax_harden_compiler_flags.m4 b/m4/ax_harden_compiler_flags.m4
index a8e1e83bbcabde25b90ec27d239e4c93a6e50f18..4d647996dcd466f0ac97aa2cb9fa5772ebcebd3c 100644 (file)
--- a/m4/ax_harden_compiler_flags.m4
+++ b/m4/ax_harden_compiler_flags.m4
@@ -72,6 +72,7 @@
       AX_APPEND_COMPILE_FLAGS([-Wold-style-definition])
       AX_APPEND_COMPILE_FLAGS([-Woverride-init])
       AX_APPEND_COMPILE_FLAGS([-Wstrict-prototypes])
+      AX_APPEND_COMPILE_FLAGS([-Wlogical-op])
       AC_LANG_POP
       ])
 
@@ -95,6 +96,7 @@
       AX_APPEND_COMPILE_FLAGS([-Wmaybe-uninitialized])
       AX_APPEND_COMPILE_FLAGS([-Wmissing-field-initializers])
       AX_APPEND_COMPILE_FLAGS([-Wmissing-noreturn])
+      AX_APPEND_COMPILE_FLAGS([-Wlogical-op])
       AX_APPEND_COMPILE_FLAGS([-Wnon-virtual-dtor])
       AX_APPEND_COMPILE_FLAGS([-Wnormalized=id])
       AX_APPEND_COMPILE_FLAGS([-Woverloaded-virtual])