Blame build/autoconf/mozprog.m4

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dnl This Source Code Form is subject to the terms of the Mozilla Public
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dnl License, v. 2.0. If a copy of the MPL was not distributed with this
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dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
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AC_DEFUN([MOZ_PROG_CHECKMSYS],
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[AC_REQUIRE([AC_INIT_BINSH])dnl
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if test `uname -s | grep -c MINGW 2>/dev/null` != "0"; then
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  msyshost=1
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fi
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])
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AC_DEFUN([MOZ_PATH_PROG],
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[ AC_PATH_PROG($1,$2,$3,$4)
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  if test "$msyshost"; then
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    case "[$]$1" in
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    /*)
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      tmp_DIRNAME=`dirname "[$]$1"`
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      tmp_BASENAME=`basename "[$]$1"`
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      tmp_PWD=`cd "$tmp_DIRNAME" && pwd -W`
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      $1="$tmp_PWD/$tmp_BASENAME"
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      if test -e "[$]$1.exe"; then
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        $1="[$]$1.exe"
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      fi
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    esac
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  fi
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])
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AC_DEFUN([MOZ_PATH_PROGS],
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[  AC_PATH_PROGS($1,$2,$3,$4)
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  if test "$msyshost"; then
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    case "[$]$1" in
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    /*)
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      tmp_DIRNAME=`dirname "[$]$1"`
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      tmp_BASENAME=`basename "[$]$1"`
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      tmp_PWD=`cd "$tmp_DIRNAME" && pwd -W`
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      $1="$tmp_PWD/$tmp_BASENAME"
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      if test -e "[$]$1.exe"; then
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        $1="[$]$1.exe"
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      fi
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    esac
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  fi
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])