brew install qctools --HEAD

gistfile1.txt

Last 15 lines from /Users/ashleyblewer/Library/Logs/Homebrew/qctools/02.make:
../../../Source/Core/FileInformation.cpp:721:12: warning: comparison of integers of different signs: 'int' and 'size_t' (aka 'unsigned long') [-Wsign-compare]
    if (Pos>=ReferenceStat()->x_Current_Max)
        ~~~^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../Source/Core/FileInformation.cpp:745:21: warning: comparison of integers of different signs: 'int' and 'size_t' (aka 'unsigned long') [-Wsign-compare]
    if (Frames_Pos+1>=ReferenceStat()->x_Current_Max)
        ~~~~~~~~~~~~^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -c -pipe -stdlib=libc++ -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk -mmacosx-version-min=10.9  -DWITH_SYSTEM_FFMPEG=1 -O2 -fPIC -std=gnu++11 -Wall -W -DUSE_BREW -DQWT_DLL -DQT_NO_DEBUG -DQT_NETWORK_LIB -DQT_SVG_LIB -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I. -I/usr/local/Cellar/qwt-qt5/6.1.3/lib/qwt.framework/Headers -I../../../Source -I../../../Source/ThirdParty/tinyxml2 -I../../../Source/ThirdParty/qblowfish -I/usr/local/Cellar/ffmpeg/HEAD-400378b/include -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtNetwork.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtSvg.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtWidgets.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtGui.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtCore.framework/Headers -I. -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/System/Library/Frameworks/OpenGL.framework/Headers -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/System/Library/Frameworks/AGL.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/mkspecs/macx-clang -F/usr/local/Cellar/qt5/5.8.0_1/lib -o moc_FileInformation.o moc_FileInformation.cpp
138 warnings generated.
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -c -pipe -stdlib=libc++ -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk -mmacosx-version-min=10.9  -DWITH_SYSTEM_FFMPEG=1 -O2 -fPIC -std=gnu++11 -Wall -W -DUSE_BREW -DQWT_DLL -DQT_NO_DEBUG -DQT_NETWORK_LIB -DQT_SVG_LIB -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I. -I/usr/local/Cellar/qwt-qt5/6.1.3/lib/qwt.framework/Headers -I../../../Source -I../../../Source/ThirdParty/tinyxml2 -I../../../Source/ThirdParty/qblowfish -I/usr/local/Cellar/ffmpeg/HEAD-400378b/include -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtNetwork.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtSvg.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtWidgets.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtGui.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtCore.framework/Headers -I. -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/System/Library/Frameworks/OpenGL.framework/Headers -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/System/Library/Frameworks/AGL.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/mkspecs/macx-clang -F/usr/local/Cellar/qt5/5.8.0_1/lib -o moc_SignalServerConnectionChecker.o moc_SignalServerConnectionChecker.cpp
1 warning generated.
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -c -pipe -stdlib=libc++ -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk -mmacosx-version-min=10.9  -DWITH_SYSTEM_FFMPEG=1 -O2 -fPIC -std=gnu++11 -Wall -W -DUSE_BREW -DQWT_DLL -DQT_NO_DEBUG -DQT_NETWORK_LIB -DQT_SVG_LIB -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I. -I/usr/local/Cellar/qwt-qt5/6.1.3/lib/qwt.framework/Headers -I../../../Source -I../../../Source/ThirdParty/tinyxml2 -I../../../Source/ThirdParty/qblowfish -I/usr/local/Cellar/ffmpeg/HEAD-400378b/include -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtNetwork.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtSvg.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtWidgets.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtGui.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/lib/QtCore.framework/Headers -I. -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/System/Library/Frameworks/OpenGL.framework/Headers -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/System/Library/Frameworks/AGL.framework/Headers -I/usr/local/Cellar/qt5/5.8.0_1/mkspecs/macx-clang -F/usr/local/Cellar/qt5/5.8.0_1/lib -o moc_SignalServer.o moc_SignalServer.cpp
11 warnings generated.
rm -f libqctools.a
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar cq libqctools.a tinyxml2.o AudioCore.o AudioStats.o CommonStats.o Core.o FFmpeg_Glue.o VideoCore.o VideoStats.o FormatStats.o CommonStreamStats.o AudioStreamStats.o VideoStreamStats.o StreamsStats.o Timecode.o FileInformation.o SignalServerConnectionChecker.o SignalServer.o Preferences.o qblowfish.o moc_FileInformation.o moc_SignalServerConnectionChecker.o moc_SignalServer.o
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib -s libqctools.a

If reporting this issue please do so at (not Homebrew/brew or Homebrew/core):
https://github.com/amiaopensource/homebrew-amiaos/issues