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https://github.com/Interlisp/maiko.git
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810e33125b
* Move clang/gcc options into makefile-header. This puts all of the shared options into a single place so that we can easily update it. * Add -fwrapv to the clang/gcc command lines. This is a step along the way to fixing interlisp/medley#90. Enabling `-fwrapv` will let overflow checks that rely upon undefined behavior to work correctly. Without this, with modern versions of clang and gcc, the overflow checks in the C code are eliminated by the compiler, resulting in incorrect behavior on the part of Maiko. See the linked bug for details and discussion. Hopefully, this usage of `-fwrapv` will go away once we're using the correct compiler builtins to detect and handle overflow correctly.
40 lines
937 B
Plaintext
Executable File
40 lines
937 B
Plaintext
Executable File
# Default values for Maiko makefile variables
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# These get overridden by OS and hardware-specific stuff
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# in sub-makefiles
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SRCDIR = ../src/
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INCDIR = ../inc/
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INCLUDEDIR = ../include/
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LIBDIR = ../lib
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BINDIR = ./
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RELDIR = ../RELEASE/
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MAIN = _main
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RANLIB = ranlib
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AR = ar rcv
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ANSICC = $(CC)
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# Compiler flags
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CLANG_CFLAGS = -std=gnu89 -funsigned-char -fno-strict-aliasing -fwrapv
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GCC_CFLAGS = -std=gnu89 -funsigned-char -fno-strict-aliasing -fwrapv
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# for the files that need to be included in byte-swapped implementations:
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BYTESWAPFILES =
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SXHASHFILE =
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BITBLTFILE =
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DLPIFILES =
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# for files needed by X windows version
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XFILES =
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# for files needed by color (actually files NOT needed by X)
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COLORFILES =
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# Flags to include inthe linking of various S/W
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# LDFLAGS - in emulator itself (e.g., ldesingle)
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# LDELDFLAGS - in "lde" unix-comm forker.
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# LDEETHERLDFLAGS - in "ldeether" ethernet kick-start
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LDFLAGS =
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LDELDFLAGS =
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LDEETHERLDFLAGS =
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