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@@ -106,6 +106,21 @@ AC_DEFUN([DPKG_USE_MMAP], [
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])
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])
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+# DPKG_USE_DISK_PREALLOCATE
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+# -------------------------
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+# Define USE_DISK_PREALLOCATE if disk size pre-allocation is available
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+# and it was requested.
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+AC_DEFUN([DPKG_USE_DISK_PREALLOCATE], [
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+ AC_ARG_ENABLE([disk-preallocate],
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+ [AS_HELP_STRING([--enable-disk-preallocate],
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+ [enable usage of disk size pre-allocation])],
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+ [], [enable_disk_preallocate=no])
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+
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+ AS_IF([test "x$enable_disk_preallocate" = "xyes"], [
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+ AC_DEFINE([USE_DISK_PREALLOCATE], [1], [Use disk size pre-allocation])
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+ ])
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+])
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+
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# DPKG_CHECK_PROGNAME
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# -------------------
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# Check for system implementations of program name tracking.
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