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74979fb19b
Also improve logging (add an ability to log commands/files/environment variables to config.log) Signed-off-by: Alexey Neyman <stilor@att.net>
42 lines
1.2 KiB
Plaintext
42 lines
1.2 KiB
Plaintext
# Several convenience wrappers for checking the programs
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# Convert a pre-set tool variable to absolute path if it is not already.
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AC_DEFUN([CTNG_PATH_ABSNAME],
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[CTNG_MSG_LOG_ENVVAR([$1], [must determine absolute path for '$$1'])
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AS_CASE([$$1],
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[/*],,
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[*\ *],,
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[?*],[AC_MSG_CHECKING([for absolute path to $$1])
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$1=$(which $$1)
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AC_MSG_RESULT([$$1])])])
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# Check for required tool
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AC_DEFUN([CTNG_CHECK_TOOL_REQ],
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[AC_CHECK_TOOLS([$1], [$2])
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AS_IF(
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[test -z "$$1"],
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[AC_MSG_ERROR([missing required tool: $2])])
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])
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# Check for required tool, set variable to full pathname
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AC_DEFUN([CTNG_PATH_TOOL_REQ],
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[AC_ARG_VAR([$1], [Specify the full path to GNU $3])
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CTNG_CHECK_TOOL_REQ([$1], [$2])
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CTNG_PATH_ABSNAME([$1])])
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# Check for required program
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AC_DEFUN([CTNG_CHECK_PROGS_REQ],
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[AC_CHECK_PROGS([$1], [$2])
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AS_IF(
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[test -z "$$1"],
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[AC_MSG_ERROR([missing required tool: $2])])
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])
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# Check for path to required program
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AC_DEFUN([CTNG_PATH_PROGS_REQ],
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[AC_PATH_PROGS([$1], [$2])
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AS_IF(
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[test -z "$$1"],
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[AC_MSG_ERROR([missing required tool: $2])])
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])
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