28 lines
845 B
Plaintext
28 lines
845 B
Plaintext
# AX_CHECK_REAL_FILE(FILE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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# ------------------------------------------------------------------
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#
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# Check for the existence of FILE, and make sure it is a real file or
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# directory, and not a symbolic link.
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#
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AC_DEFUN([AX_CHECK_REAL_FILE],
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[AC_DIAGNOSE([cross],
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[cannot check for file existence when cross compiling])dnl
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AS_VAR_PUSHDEF([ac_RealFile], [ac_cv_real_file_$1])dnl
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AC_CACHE_CHECK([for $1], ac_RealFile,
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[test "$cross_compiling" = yes &&
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AC_MSG_ERROR([cannot check for file existence when cross compiling])
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if test -r "$1"
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then
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if test -h "$1"
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then
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AS_VAR_SET(ac_RealFile, no)
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else
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AS_VAR_SET(ac_RealFile, yes)
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fi
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else
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AS_VAR_SET(ac_RealFile, no)
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fi])
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AS_IF([test AS_VAR_GET(ac_RealFile) = yes], [$2], [$3])[]dnl
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AS_VAR_POPDEF([ac_RealFile])dnl
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])# AX_CHECK_REAL_FILE
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