Imported Upstream version 2.6.0

[debian/amanda] / config / amanda / compress.m4

diff --git a/config/amanda/compress.m4 b/config/amanda/compress.m4
new file mode 100644 (file)
index 0000000..1fb47ec
--- /dev/null
+++ b/config/amanda/compress.m4
@@ -0,0 +1,71 @@
+# SYNOPSIS
+#
+#   AMANDA_CHECK_COMPRESSION
+#
+# OVERVIEW
+#
+#   Find a suitable compression program and define the following:
+#
+#    - COMPRESS_PATH
+#    - COMPRESS_SUFFIX
+#    - COMPRESS_FAST_OPT
+#    - COMPRESS_BEST_OPT
+#    - UNCOMPRESS_PATH
+#    - UNCOMPRESS_OPT
+#    - HAVE_GZIP
+#
+AC_DEFUN([AMANDA_CHECK_COMPRESSION],
+[
+    AC_REQUIRE([AMANDA_PROG_CAT])
+    AC_REQUIRE([AMANDA_PROG_COMPRESS])
+    AC_REQUIRE([AMANDA_PROG_GZIP])
+
+    if test "$GZIP"; then
+       AC_DEFINE(HAVE_GZIP,1,
+           [Define if Amanda is using the gzip program. ])
+       COMPRESS_PATH="$GZIP"
+       COMPRESS_SUFFIX=".gz"
+       COMPRESS_FAST_OPT="--fast"
+       COMPRESS_BEST_OPT="--best"
+       UNCOMPRESS_PATH="$GZIP"
+       UNCOMPRESS_OPT="-dc"
+    else
+       if test "$COMPRESS"; then
+           COMPRESS_PATH="$COMPRESS"
+           COMPRESS_SUFFIX=".Z"
+           COMPRESS_FAST_OPT="-f"
+           COMPRESS_BEST_OPT="-f"
+           UNCOMPRESS_PATH="$COMPRESS"
+           UNCOMPRESS_OPT="-dc"
+       else
+           # If we have to use cat, we don't define COMPRESS_FAST_OPT,
+           # COMPRESS_BEST_OPT, or UNCOMPRESS_OPT as "" since cat will look
+           # look for a file by the name of "".
+           # XXX is the above true? --dustin
+
+           AMANDA_MSG_WARN([Cannot find either gzip or compress.  Using cat.])
+           COMPRESS_PATH="$CAT"
+           COMPRESS_SUFFIX=""
+           COMPRESS_FAST_OPT=""
+           COMPRESS_BEST_OPT=""
+           UNCOMPRESS_PATH="$CAT"
+           UNCOMPRESS_OPT=""
+       fi
+    fi
+
+    AC_DEFINE_UNQUOTED(COMPRESS_PATH,"$COMPRESS_PATH",
+       [Define to the exact path to the gzip or the compress program. ])
+    AC_DEFINE_UNQUOTED(COMPRESS_SUFFIX,"$COMPRESS_SUFFIX",
+       [Define to the suffix for the COMPRESS_PATH compression program. ])
+    AC_DEFINE_UNQUOTED(COMPRESS_FAST_OPT,"$COMPRESS_FAST_OPT",
+       [Define as the command line option for fast compression. ])
+    AC_DEFINE_UNQUOTED(COMPRESS_BEST_OPT,"$COMPRESS_BEST_OPT",
+       [Define as the command line option for best compression. ])
+    AC_DEFINE_UNQUOTED(UNCOMPRESS_PATH,"$UNCOMPRESS_PATH",
+       [Define as the exact path to the gzip or compress command. ])
+    AC_DEFINE_UNQUOTED(UNCOMPRESS_OPT,"$UNCOMPRESS_OPT",
+       [Define as any optional arguments to get UNCOMPRESS_PATH to uncompress. ])
+
+    # Empty GZIP so that make dist works.
+    GZIP=
+])