safelink (2635B)
1 #!/usr/bin/env pthbs-build 2 #+musl-cross-make.65f98305f5666435bf0c6b9ccedffae2179ff1b3286752756886f760cf7771d2 3 #+gnu-make.782c9e6625fd7420e2cd38b847afed19db3b3844cae8a0426a0dbf73e10d78e5 4 #+busybox.e60885fe93ee85c01831673bb29f0e62a64903f4ce3094e3dc35bc8ec8887ad9 5 #+skalibs.a98901a2d19b3799a9c481e2be46a14642d670d9724480b81988486c71eba15a 6 #@sha256:4c8df9ba4d6a4a7e9042ef03e3dbf893636785f42e55391c4e4cefcb632b2467:safelink.c 7 8 name=safelink 9 check_static() { 10 local exe || true 11 exe=$pthbs_destdir/'/versions'/$pthbs_package/$1 12 if ! test -f $exe; then 13 printf '%s\n' "Error: file '$1' doesn't exist!" 14 exit 1 15 fi 16 interp_info=$(readelf --string-dump=.interp "$exe") || exit $? 17 if test x '!=' "x$interp_info"; then 18 printf '%s\n' "Error: '$1' is a dynamic binary!" 19 exit 1 20 fi 21 } 22 build_env_static() { 23 export LD_LIBRARY_PATH="$pthbs_build_environment/library" 24 export CPATH="$pthbs_build_environment/include" 25 export LDFLAGS="-static -L$pthbs_build_environment/library $LDFLAGS" 26 } 27 def_prefix() { 28 prefix=/versions/$pthbs_package 29 } 30 def_dest() { 31 dest=${pthbs_destdir%/}//versions/$pthbs_package 32 } 33 build_env_static 34 def_prefix 35 36 gcc -ggdb -D_GNU_SOURCE -static -o $name $name.c $LDFLAGS -lskarnet 37 38 install -d "$pthbs_destdir/$prefix/command" 39 install -m 755 $name "$pthbs_destdir/$prefix/command" 40 check_static command/$name 41 42 cd "$pthbs_destdir/versions/$pthbs_package" 43 find -type d -o -print | awk -F/ ' 44 BEGIN { 45 x["./command/safelink"]=1} 46 47 function r1(s) { 48 sub("^[.]/[^/]*", ".", s) 49 return s 50 } 51 function s1(repl, s) { 52 sub("^[.]/[^/]*", "./"repl, s) 53 return s 54 } 55 function link(src) { 56 x[$0]=0 57 printf "%s\t%s\n", $0, src 58 printf "genlinks >>%s\t%s<<\n", $0, src >>"/dev/stderr" 59 } 60 $1!="."{exit 1} 61 62 63 $2 == "command" { link($0); next } 64 $2 == "bin" { link(s1("command", $0)); next } 65 66 $2 == "library.so" { link($0); next } 67 $2 == "library" { link($0); next } 68 $2 == "lib" && $NF ~ /\.l?a$/ { link(s1("library", $0)); next } 69 $2 == "lib" && $NF ~ /\.so(|\..*)$/ { link(s1("library.so", $0)); next } 70 71 $2 == "share" && $3 ~ /^(info|man|doc|icons|terminfo)$/ { link(r1($0)); next } 72 73 $2 == "man" { link($0); next } 74 $2 == "info" { link($0); next } 75 $2 == "doc" { link($0); next } 76 $2 == "icons" { link($0); next } 77 $2 == "terminfo" { link($0); next } 78 $2 == "data" { link($0); next } 79 $2 == "include" { link($0); next } 80 81 { printf "genlinks ##%s## skipped\n", $0 >>"/dev/stderr" } 82 83 END { 84 for(fname in x) { printf "DEBUG: x[\"%s\"]=\"%s\"\n", fname, x[fname] >"/dev/stderr" } 85 for(fname in x) { 86 if(x[fname]) { 87 printf "ERROR: missing expected file \"%s\"\n", fname >"/dev/stderr" 88 exit 3 89 } 90 } 91 }' >.install-links.new 92 mv .install-links.new .install-links