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Installation:
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=============
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As with any autoconfiguring GNU software, installation is as easy as this:
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$ ./configure
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$ make
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$ make check
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$ make install
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You need GNU make. On HP-UX, you also need GNU sed.
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Known to work with:
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- Linux/x86, gcc-2.7.0, gcc-2.7.2, gcc-2.8.0, egcs-1.1, gcc-2.95
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- Solaris 2.4 (sparc), gcc-2.7.0, gcc-2.7.2, egcs-1.1, gcc-2.95
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- OSF/1 V4.0 (alpha), egcs-1.1, gcc-2.95
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- Irix 5.3, CC 4
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The "make" step takes about 4 hours, on a 486 DX / 33 MHz / 8 MB.
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On Linux, g++ needs 15 MB to compile the tests. So better have
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17 MB swap space and 1 MB room in $TMPDIR.
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If you use gcc and g++ version 2.7.x, don't add -O2 to the CXXFLAGS, because
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"g++ -O" generates better code for libcln.a than "g++ -O2".
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If you use g++ version 2.8.x or egcs-2.91.x (a.k.a. egcs-1.1) or gcc-2.95.x,
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I recommend adding "-fno-exceptions" to the CXXFLAGS. This will likely
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generate better code.
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If you use g++ version egcs-2.91.x (egcs-1.1) or gcc-2.95.x on Sparc, add
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either "-O", "-O1" or "-O2 -fno-schedule-insns" to the CXXFLAGS. With full
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"-O2", g++ miscompiles the division routines. Also, if you have g++ version
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egcs-1.1.1 or older on Sparc, you must specify --disable-shared because g++
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would miscompile parts of the library.
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On MIPS (SGI Irix 6), pass option "--without-gmp" to configure. gmp does
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not work when compiled in "n32" binary format on Irix.
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More detailed installation instructions can be found in the documentation,
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in the doc/ directory.
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