112 lines
4.1 KiB
Bash
Executable File
112 lines
4.1 KiB
Bash
Executable File
#!/bin/sh
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# This script is used by test/Makefile.ssl to check whether a sane 'bc'
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# is installed.
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# ('make test_bn' should not try to run 'bc' if it does not exist or if
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# it is a broken 'bc' version that is known to cause trouble.)
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#
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# If 'bc' works, we also test if it knows the 'print' command.
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#
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# In any case, output an appropriate command line for running (or not
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# running) bc.
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IFS=:
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try_without_dir=true
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# First we try "bc", then "$dir/bc" for each item in $PATH.
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for dir in dummy:$PATH; do
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if [ "$try_without_dir" = true ]; then
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# first iteration
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bc=bc
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try_without_dir=false
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else
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# second and later iterations
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bc="$dir/bc"
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if [ ! -f "$bc" ]; then # '-x' is not available on Ultrix
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bc=''
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fi
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fi
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if [ ! "$bc" = '' ]; then
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failure=none
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# Test for SunOS 5.[78] bc bug
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"$bc" >tmp.bctest <<\EOF
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obase=16
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ibase=16
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a=AD88C418F31B3FC712D0425001D522B3AE9134FF3A98C13C1FCC1682211195406C1A6C66C6A\
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CEEC1A0EC16950233F77F1C2F2363D56DD71A36C57E0B2511FC4BA8F22D261FE2E9356D99AF57\
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10F3817C0E05BF79C423C3F66FDF321BE8D3F18F625D91B670931C1EF25F28E489BDA1C5422D1\
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C3F6F7A1AD21585746ECC4F10A14A778AF56F08898E965E9909E965E0CB6F85B514150C644759\
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3BE731877B16EA07B552088FF2EA728AC5E0FF3A23EB939304519AB8B60F2C33D6BA0945B66F0\
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4FC3CADF855448B24A9D7640BCF473E
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b=DCE91E7D120B983EA9A104B5A96D634DD644C37657B1C7860B45E6838999B3DCE5A555583C6\
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9209E41F413422954175A06E67FFEF6746DD652F0F48AEFECC3D8CAC13523BDAAD3F5AF4212BD\
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8B3CD64126E1A82E190228020C05B91C8B141F1110086FC2A4C6ED631EBA129D04BB9A19FC53D\
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3ED0E2017D60A68775B75481449
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(a/b)*b + (a%b) - a
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EOF
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if [ 0 != "`cat tmp.bctest`" ]; then
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failure=SunOStest
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fi
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if [ "$failure" = none ]; then
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# Test for SCO bc bug.
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"$bc" >tmp.bctest <<\EOF
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obase=16
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ibase=16
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-FFDD63BA1A4648F0D804F8A1C66C53F0D2110590E8A3907EC73B4AEC6F15AC177F176F2274D2\
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9DC8022EA0D7DD3ABE9746D2D46DD3EA5B5F6F69DF12877E0AC5E7F5ADFACEE54573F5D256A06\
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11B5D2BC24947724E22AE4EC3FB0C39D9B4694A01AFE5E43B4D99FB9812A0E4A5773D8B254117\
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1239157EC6E3D8D50199 * -FFDD63BA1A4648F0D804F8A1C66C53F0D2110590E8A3907EC73B4\
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AEC6F15AC177F176F2274D29DC8022EA0D7DD3ABE9746D2D46DD3EA5B5F6F69DF12877E0AC5E7\
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F5ADFACEE54573F5D256A0611B5D2BC24947724E22AE4EC3FB0C39D9B4694A01AFE5E43B4D99F\
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B9812A0E4A5773D8B2541171239157EC6E3D8D50199 - FFBACC221682DA464B6D7F123482522\
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02EDAEDCA38C3B69E9B7BBCD6165A9CD8716C4903417F23C09A85B851961F92C217258CEEB866\
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85EFCC5DD131853A02C07A873B8E2AF2E40C6D5ED598CD0E8F35AD49F3C3A17FDB7653E4E2DC4\
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A8D23CC34686EE4AD01F7407A7CD74429AC6D36DBF0CB6A3E302D0E5BDFCD048A3B90C1BE5AA8\
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E16C3D5884F9136B43FF7BB443764153D4AEC176C681B078F4CC53D6EB6AB76285537DDEE7C18\
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8C72441B52EDBDDBC77E02D34E513F2AABF92F44109CAFE8242BD0ECBAC5604A94B02EA44D43C\
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04E9476E6FBC48043916BFA1485C6093603600273C9C33F13114D78064AE42F3DC466C7DA543D\
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89C8D71
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AD534AFBED2FA39EE9F40E20FCF9E2C861024DB98DDCBA1CD118C49CA55EEBC20D6BA51B2271C\
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928B693D6A73F67FEB1B4571448588B46194617D25D910C6A9A130CC963155CF34079CB218A44\
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8A1F57E276D92A33386DDCA3D241DB78C8974ABD71DD05B0FA555709C9910D745185E6FE108E3\
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37F1907D0C56F8BFBF52B9704 % -E557905B56B13441574CAFCE2BD257A750B1A8B2C88D0E36\
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E18EF7C38DAC80D3948E17ED63AFF3B3467866E3B89D09A81B3D16B52F6A3C7134D3C6F5123E9\
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F617E3145BBFBE9AFD0D6E437EA4FF6F04BC67C4F1458B4F0F47B64 - 1C2BBBB19B74E86FD32\
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9E8DB6A8C3B1B9986D57ED5419C2E855F7D5469E35E76334BB42F4C43E3F3A31B9697C171DAC4\
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D97935A7E1A14AD209D6CF811F55C6DB83AA9E6DFECFCD6669DED7171EE22A40C6181615CAF3F\
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5296964
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EOF
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if [ "0
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0" != "`cat tmp.bctest`" ]; then
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failure=SCOtest
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fi
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fi
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if [ "$failure" = none ]; then
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# bc works; now check if it knows the 'print' command.
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if [ "OK" = "`echo 'print \"OK\"' | $bc 2>/dev/null`" ]
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then
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echo "$bc"
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else
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echo "sed 's/print.*//' | $bc"
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fi
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exit 0
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fi
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echo "$bc does not work properly ('$failure' failed). Looking for another bc ..." >&2
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fi
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done
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echo "No working bc found. Consider installing GNU bc." >&2
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if [ "$1" = ignore ]; then
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echo "cat >/dev/null"
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exit 0
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fi
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exit 1
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