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https://gitlab.com/mbunkus/mkvtoolnix.git
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3b8458f38d
See e.g. http://stackoverflow.com/questions/21755206/how-to-get-around-gcc-void-b-4-may-be-used-uninitialized-in-this-funct
38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
QUNUSED_ARGUMENTS=""
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WNO_SELF_ASSIGN=""
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WNO_MISMATCHED_TAGS=""
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WLOGICAL_OP=""
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if test x"$ac_cv_compiler_is_clang" = xyes; then
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QUNUSED_ARGUMENTS="-Qunused-arguments"
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WNO_SELF_ASSIGN="-Wno-self-assign"
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WNO_MISMATCHED_TAGS="-Wno-mismatched-tags"
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ac_save_CXXFLAGS="$CXXFLAGS"
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AC_LANG_PUSH(C++)
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CXXFLAGS="$ac_save_CXXFLAGS -Werror -Wno-inconsistent-missing-override"
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AC_TRY_COMPILE([],[],[ WNO_INCONSISTENT_MISSING_OVERRIDE="-Wno-inconsistent-missing-override" ],[])
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CXXFLAGS="$ac_save_CXXFLAGS -Werror -Wno-potentially-evaluated-expression"
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AC_TRY_COMPILE([],[],[ WNO_POTENTIALLY_EVALUATED_EXPRESSION="-Wno-potentially-evaluated-expression" ],[])
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AC_LANG_POP()
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CXXFLAGS="$ac_save_CXXFLAGS"
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else
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WNO_MAYBE_UNINITIALIZED="-Wno-maybe-uninitialized"
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if check_version 4.8.0 $ac_cv_gcc_version ; then
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WLOGICAL_OP="-Wlogical-op"
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fi
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fi
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AC_SUBST(QUNUSED_ARGUMENTS)
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AC_SUBST(WNO_SELF_ASSIGN)
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AC_SUBST(WNO_MISMATCHED_TAGS)
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AC_SUBST(WLOGICAL_OP)
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AC_SUBST(WNO_INCONSISTENT_MISSING_OVERRIDE)
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AC_SUBST(WNO_POTENTIALLY_EVALUATED_EXPRESSION)
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AC_SUBST(WNO_MAYBE_UNINITIALIZED)
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