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79 lines
2.3 KiB
Bash
79 lines
2.3 KiB
Bash
#!/bin/sh
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# the arguments of this script are the compiler name and flags
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# try to solve a chicken-and-egg problem on SunOS
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# ucb's test program does not handle -L like the other test programs
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# let's try to find another implementation
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if test -x /bin/test; then
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TEST=/bin/test;
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else
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if test -x /usr/bin/test; then
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TEST=/usr/bin/test;
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else
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# cross your fingers that it's not like ucb test
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TEST=test;
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fi
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fi
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compiler=`echo $* | sed -e 's/-static//g' -e 's/-Bstatic//g'`
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if $TEST `basename $1` = "gcc" && ($compiler -v) >/dev/null 2>&1 ; then
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# Cygwin writes more than one line with "version" in it
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gccversion=`$compiler -v 2>&1 | sed -e "/version/!d" | tail -n 1`
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else
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gccversion="$1"
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fi
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libcversion=""
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if ($* hello.c -o hello) >/dev/null 2>&1; then
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ldd_output=`(ldd hello) 2>&1`
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libcversion=`echo $ldd_output | sed -e 's/.*static.*/static/' \
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-e 's/.*not a dynamic.*/static/'`
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if $TEST "$libcversion" = "static" ; then
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if ($compiler hello.c -o hello) >/dev/null 2>&1; then
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if (ldd hello) >/dev/null 2>/dev/null; then
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libcversion=`(ldd hello) 2>&1`
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libcversion=`echo $libcversion | sed -e '/libc/!d'\
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-e 's/^[ ]*//' \
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-e 's/.*=>[ ][ ]*\([^ ]*\).*/\1/'`
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# remember the current directory
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current=`pwd`
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while $TEST -L "$libcversion" && ! $TEST "$libcversion" = "" ; do
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libcitself=`basename $libcversion`
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libpath=`echo $libcversion | sed -e "s/$libcitself$//"`
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if $TEST -d "$libpath" ; then
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cd $libpath
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fi
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if ls $libcitself >/dev/null 2>/dev/null ; then
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libcversion=`ls -l $libcitself | \
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sed -e 's/.*->[ ][ ]*\(.*\)$/\1/'`
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else
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# something must have gone wrong, let's bail out
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libcversion=""
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fi
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done
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# return to the current directory
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cd $current
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fi
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fi
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else
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libcversion=""
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fi
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fi
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rm -f sysinfo.crm sysinfoc.c hello
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# this bombs out on Ultrix which expect "cut -d"
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compsystem=`uname -a | cut -b 1-78`
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compdate=`date|cut -b1-55`
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# let's hope that ctrl-c is not part of any string here
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# this also will barf later if " is in any of the strings
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for i in sysinfo.c sysinfoc.c ; do
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sed -e "s%CCVERSION%$gccversion" -e "s%LIBCVERSION%$libcversion"\
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-e "s%SYSTEM%$compsystem" -e "s%DATE%$compdate"\
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${i}.template > $i
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done
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