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build: avoid new warnings from gcc 4.5.0 20090517
* configure.ac: Add an explicit -Wno-logical-op, now that not listing -Wlogical-op is insufficient.
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@ -99,6 +99,11 @@ if test "$gl_gcc_warnings" = yes; then
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gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
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gl_WARN_ADD([-Wno-pointer-sign]) # Too many warnings for now
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gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
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# In spite of excluding -Wlogical-op above, it is enabled, as of
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# gcc 4.5.0 20090517, and it provokes warnings in cat.c, dd.c, truncate.c
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gl_WARN_ADD([-Wno-logical-op])
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gl_WARN_ADD([-fdiagnostics-show-option])
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AC_SUBST([WARN_CFLAGS])
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