Blame m4/ac_add_search_path.m4

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dnl
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dnl Add a search path to the LIBS and CPPFLAGS variables
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dnl
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AC_DEFUN([AC_ADD_SEARCH_PATH],[
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  if test "x$1" != x -a -d $1; then
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     if test -d $1/lib; then
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       LDFLAGS="-L$1/lib $LDFLAGS"
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     fi
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     if test -d $1/include; then
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	CPPFLAGS="-I$1/include $CPPFLAGS"
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     fi
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  fi
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])