Annotation of embedaddon/arping/compile, revision 1.1
1.1 ! misho 1: #! /bin/sh
! 2: # Wrapper for compilers which do not understand '-c -o'.
! 3:
! 4: scriptversion=2018-03-07.03; # UTC
! 5:
! 6: # Copyright (C) 1999-2018 Free Software Foundation, Inc.
! 7: # Written by Tom Tromey <tromey@cygnus.com>.
! 8: #
! 9: # This program is free software; you can redistribute it and/or modify
! 10: # it under the terms of the GNU General Public License as published by
! 11: # the Free Software Foundation; either version 2, or (at your option)
! 12: # any later version.
! 13: #
! 14: # This program is distributed in the hope that it will be useful,
! 15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
! 16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 17: # GNU General Public License for more details.
! 18: #
! 19: # You should have received a copy of the GNU General Public License
! 20: # along with this program. If not, see <https://www.gnu.org/licenses/>.
! 21:
! 22: # As a special exception to the GNU General Public License, if you
! 23: # distribute this file as part of a program that contains a
! 24: # configuration script generated by Autoconf, you may include it under
! 25: # the same distribution terms that you use for the rest of that program.
! 26:
! 27: # This file is maintained in Automake, please report
! 28: # bugs to <bug-automake@gnu.org> or send patches to
! 29: # <automake-patches@gnu.org>.
! 30:
! 31: nl='
! 32: '
! 33:
! 34: # We need space, tab and new line, in precisely that order. Quoting is
! 35: # there to prevent tools from complaining about whitespace usage.
! 36: IFS=" "" $nl"
! 37:
! 38: file_conv=
! 39:
! 40: # func_file_conv build_file lazy
! 41: # Convert a $build file to $host form and store it in $file
! 42: # Currently only supports Windows hosts. If the determined conversion
! 43: # type is listed in (the comma separated) LAZY, no conversion will
! 44: # take place.
! 45: func_file_conv ()
! 46: {
! 47: file=$1
! 48: case $file in
! 49: / | /[!/]*) # absolute file, and not a UNC file
! 50: if test -z "$file_conv"; then
! 51: # lazily determine how to convert abs files
! 52: case `uname -s` in
! 53: MINGW*)
! 54: file_conv=mingw
! 55: ;;
! 56: CYGWIN*)
! 57: file_conv=cygwin
! 58: ;;
! 59: *)
! 60: file_conv=wine
! 61: ;;
! 62: esac
! 63: fi
! 64: case $file_conv/,$2, in
! 65: *,$file_conv,*)
! 66: ;;
! 67: mingw/*)
! 68: file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
! 69: ;;
! 70: cygwin/*)
! 71: file=`cygpath -m "$file" || echo "$file"`
! 72: ;;
! 73: wine/*)
! 74: file=`winepath -w "$file" || echo "$file"`
! 75: ;;
! 76: esac
! 77: ;;
! 78: esac
! 79: }
! 80:
! 81: # func_cl_dashL linkdir
! 82: # Make cl look for libraries in LINKDIR
! 83: func_cl_dashL ()
! 84: {
! 85: func_file_conv "$1"
! 86: if test -z "$lib_path"; then
! 87: lib_path=$file
! 88: else
! 89: lib_path="$lib_path;$file"
! 90: fi
! 91: linker_opts="$linker_opts -LIBPATH:$file"
! 92: }
! 93:
! 94: # func_cl_dashl library
! 95: # Do a library search-path lookup for cl
! 96: func_cl_dashl ()
! 97: {
! 98: lib=$1
! 99: found=no
! 100: save_IFS=$IFS
! 101: IFS=';'
! 102: for dir in $lib_path $LIB
! 103: do
! 104: IFS=$save_IFS
! 105: if $shared && test -f "$dir/$lib.dll.lib"; then
! 106: found=yes
! 107: lib=$dir/$lib.dll.lib
! 108: break
! 109: fi
! 110: if test -f "$dir/$lib.lib"; then
! 111: found=yes
! 112: lib=$dir/$lib.lib
! 113: break
! 114: fi
! 115: if test -f "$dir/lib$lib.a"; then
! 116: found=yes
! 117: lib=$dir/lib$lib.a
! 118: break
! 119: fi
! 120: done
! 121: IFS=$save_IFS
! 122:
! 123: if test "$found" != yes; then
! 124: lib=$lib.lib
! 125: fi
! 126: }
! 127:
! 128: # func_cl_wrapper cl arg...
! 129: # Adjust compile command to suit cl
! 130: func_cl_wrapper ()
! 131: {
! 132: # Assume a capable shell
! 133: lib_path=
! 134: shared=:
! 135: linker_opts=
! 136: for arg
! 137: do
! 138: if test -n "$eat"; then
! 139: eat=
! 140: else
! 141: case $1 in
! 142: -o)
! 143: # configure might choose to run compile as 'compile cc -o foo foo.c'.
! 144: eat=1
! 145: case $2 in
! 146: *.o | *.[oO][bB][jJ])
! 147: func_file_conv "$2"
! 148: set x "$@" -Fo"$file"
! 149: shift
! 150: ;;
! 151: *)
! 152: func_file_conv "$2"
! 153: set x "$@" -Fe"$file"
! 154: shift
! 155: ;;
! 156: esac
! 157: ;;
! 158: -I)
! 159: eat=1
! 160: func_file_conv "$2" mingw
! 161: set x "$@" -I"$file"
! 162: shift
! 163: ;;
! 164: -I*)
! 165: func_file_conv "${1#-I}" mingw
! 166: set x "$@" -I"$file"
! 167: shift
! 168: ;;
! 169: -l)
! 170: eat=1
! 171: func_cl_dashl "$2"
! 172: set x "$@" "$lib"
! 173: shift
! 174: ;;
! 175: -l*)
! 176: func_cl_dashl "${1#-l}"
! 177: set x "$@" "$lib"
! 178: shift
! 179: ;;
! 180: -L)
! 181: eat=1
! 182: func_cl_dashL "$2"
! 183: ;;
! 184: -L*)
! 185: func_cl_dashL "${1#-L}"
! 186: ;;
! 187: -static)
! 188: shared=false
! 189: ;;
! 190: -Wl,*)
! 191: arg=${1#-Wl,}
! 192: save_ifs="$IFS"; IFS=','
! 193: for flag in $arg; do
! 194: IFS="$save_ifs"
! 195: linker_opts="$linker_opts $flag"
! 196: done
! 197: IFS="$save_ifs"
! 198: ;;
! 199: -Xlinker)
! 200: eat=1
! 201: linker_opts="$linker_opts $2"
! 202: ;;
! 203: -*)
! 204: set x "$@" "$1"
! 205: shift
! 206: ;;
! 207: *.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
! 208: func_file_conv "$1"
! 209: set x "$@" -Tp"$file"
! 210: shift
! 211: ;;
! 212: *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
! 213: func_file_conv "$1" mingw
! 214: set x "$@" "$file"
! 215: shift
! 216: ;;
! 217: *)
! 218: set x "$@" "$1"
! 219: shift
! 220: ;;
! 221: esac
! 222: fi
! 223: shift
! 224: done
! 225: if test -n "$linker_opts"; then
! 226: linker_opts="-link$linker_opts"
! 227: fi
! 228: exec "$@" $linker_opts
! 229: exit 1
! 230: }
! 231:
! 232: eat=
! 233:
! 234: case $1 in
! 235: '')
! 236: echo "$0: No command. Try '$0 --help' for more information." 1>&2
! 237: exit 1;
! 238: ;;
! 239: -h | --h*)
! 240: cat <<\EOF
! 241: Usage: compile [--help] [--version] PROGRAM [ARGS]
! 242:
! 243: Wrapper for compilers which do not understand '-c -o'.
! 244: Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
! 245: arguments, and rename the output as expected.
! 246:
! 247: If you are trying to build a whole package this is not the
! 248: right script to run: please start by reading the file 'INSTALL'.
! 249:
! 250: Report bugs to <bug-automake@gnu.org>.
! 251: EOF
! 252: exit $?
! 253: ;;
! 254: -v | --v*)
! 255: echo "compile $scriptversion"
! 256: exit $?
! 257: ;;
! 258: cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
! 259: icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
! 260: func_cl_wrapper "$@" # Doesn't return...
! 261: ;;
! 262: esac
! 263:
! 264: ofile=
! 265: cfile=
! 266:
! 267: for arg
! 268: do
! 269: if test -n "$eat"; then
! 270: eat=
! 271: else
! 272: case $1 in
! 273: -o)
! 274: # configure might choose to run compile as 'compile cc -o foo foo.c'.
! 275: # So we strip '-o arg' only if arg is an object.
! 276: eat=1
! 277: case $2 in
! 278: *.o | *.obj)
! 279: ofile=$2
! 280: ;;
! 281: *)
! 282: set x "$@" -o "$2"
! 283: shift
! 284: ;;
! 285: esac
! 286: ;;
! 287: *.c)
! 288: cfile=$1
! 289: set x "$@" "$1"
! 290: shift
! 291: ;;
! 292: *)
! 293: set x "$@" "$1"
! 294: shift
! 295: ;;
! 296: esac
! 297: fi
! 298: shift
! 299: done
! 300:
! 301: if test -z "$ofile" || test -z "$cfile"; then
! 302: # If no '-o' option was seen then we might have been invoked from a
! 303: # pattern rule where we don't need one. That is ok -- this is a
! 304: # normal compilation that the losing compiler can handle. If no
! 305: # '.c' file was seen then we are probably linking. That is also
! 306: # ok.
! 307: exec "$@"
! 308: fi
! 309:
! 310: # Name of file we expect compiler to create.
! 311: cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
! 312:
! 313: # Create the lock directory.
! 314: # Note: use '[/\\:.-]' here to ensure that we don't use the same name
! 315: # that we are using for the .o file. Also, base the name on the expected
! 316: # object file name, since that is what matters with a parallel build.
! 317: lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
! 318: while true; do
! 319: if mkdir "$lockdir" >/dev/null 2>&1; then
! 320: break
! 321: fi
! 322: sleep 1
! 323: done
! 324: # FIXME: race condition here if user kills between mkdir and trap.
! 325: trap "rmdir '$lockdir'; exit 1" 1 2 15
! 326:
! 327: # Run the compile.
! 328: "$@"
! 329: ret=$?
! 330:
! 331: if test -f "$cofile"; then
! 332: test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
! 333: elif test -f "${cofile}bj"; then
! 334: test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
! 335: fi
! 336:
! 337: rmdir "$lockdir"
! 338: exit $ret
! 339:
! 340: # Local Variables:
! 341: # mode: shell-script
! 342: # sh-indentation: 2
! 343: # eval: (add-hook 'before-save-hook 'time-stamp)
! 344: # time-stamp-start: "scriptversion="
! 345: # time-stamp-format: "%:y-%02m-%02d.%02H"
! 346: # time-stamp-time-zone: "UTC0"
! 347: # time-stamp-end: "; # UTC"
! 348: # End:
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