549472ec78
* At least for now, I'm shipping Cygwin/MSYS binaries. On Cygwin (but not MSYS), the console.exe executable previously linked dynamically to cyggcc_s-1.dll and cygstdc++-6.dll. Linking dynamically with cygstdc++-6.dll seems risky for a binary not distributed by Cygwin, because G++'s Windows ABI is unstable, at least as of G++ 4.7, which turned on the __thiscall calling convention. If a binary I ship ever comes into contact with a 4.7-versioned cygstdc++-6.dll, then my binary will (very likely) segfault. So far, I've only observed this ABI incompatibility with MinGW, where a sufficiently upgraded MinGW configuration comes with a libstdc++-6.dll that is completely incompatible with every previous libstdc++-6.dll, so that every program built against the older libstdc++-6.dll segfaults immediately. For now, Cygwin seems stuck at G++ 4.5, and my impression (possibly incorrect), is that G++'s Windows ABI was stable prior to 4.7. I think G++'s Linux ABI is stable. Presumably Cygwin will eventually update its compiler, though, so it makes sense to fix the problem early. I believe I originally chose to dynamically link the libraries because it was the default behavior, and I was afraid that a non-default option would break something. It turns out that linking statically with cygstdc++-6 *does* break something -- it causes linker errors if the code uses std::cerr. The workaround is not to use std::cerr. This is not a problem for the unix-adapter, which already has to put up with MSYS' gimpy G++ 3.4 compiler.
40 lines
1.4 KiB
Makefile
40 lines
1.4 KiB
Makefile
# Copyright (c) 2011-2012 Ryan Prichard
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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include ../config.mk
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include ../config-unix.mk
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PROGRAM = ../build/console.exe
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OBJECTS = main.o Shared.o
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CXXFLAGS += -I../include
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LDFLAGS += $(LDFLAGS_STATIC_LIBSTDCXX) ../build/winpty.dll
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all : $(PROGRAM)
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$(PROGRAM) : $(OBJECTS)
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@echo Linking $@
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@$(CXX) -o $@ $^ $(LDFLAGS)
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.PHONY : clean
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clean:
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rm -f $(PROGRAM) *.o *.d
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-include $(OBJECTS:.o=.d)
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