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https://github.com/crosstool-ng/crosstool-ng.git
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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>
61 lines
2.9 KiB
Plaintext
61 lines
2.9 KiB
Plaintext
# Check if a given program is available with a particular version.
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# CTNG_PROG_VERSION(VAR, HELP, PROG, SRCH, VERSION_CHECK[, CONFIG_OPT])
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# Search for PROG under possible names of SRCH. Allow user overrides in variable
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# VAR; display HELP message. Try to find a version that satisfies VERSION_CHECK
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# regexp; if that is achieved, set CONFIG_OPT in the kconfig. Otherwise, settle
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# for any version found.
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# Sets ctng_version_VAR_ok to ':' if the version met the criterion, or false otherwise.
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AC_DEFUN([CTNG_PROG_VERSION],
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[AS_IF([test -z "$EGREP"],
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[AC_MSG_ERROR([This macro can only be used after checking for EGREP])])
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CTNG_WITH_DEPRECATED([$3], [$1])
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AC_ARG_VAR([$1], [Specify the full path to $2])
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ctng_version_$1_ok=false
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# If a variable is already set, check if it an absolute path and convert if not.
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# Autoconf's AC_PATH_PROGS* macros just blindly trust $1 to be correct - but
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# AWK is set to just the command name by AC_INIT.
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AS_IF([test -n "$$1"],
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[ac_cv_path_$1="$$1"
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CTNG_PATH_ABSNAME([ac_cv_path_$1])
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CTNG_MSG_LOG_ENVVAR([ac_cv_path_$1])
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ver=$($ac_cv_path_$1 --version 2>/dev/null)
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CTNG_MSG_LOG([looking for '[$5]' regexp in])
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CTNG_MSG_LOG_ENVVAR([ver], [version info for $ac_cv_path_$1])
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ver=$(AS_ECHO(["$ver"]) | $EGREP '[$5]')
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test -n "$ver" && ctng_version_$1_ok=:],
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[AC_CACHE_CHECK([for $3], [ac_cv_path_$1],
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[AC_PATH_PROGS_FEATURE_CHECK([$1], [$4],
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[CTNG_MSG_LOG_ENVVAR([ac_path_$1], [checking $1 at])
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ver=$($ac_path_$1 --version 2>/dev/null)
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CTNG_MSG_LOG([looking for '[$5]' regexp in])
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CTNG_MSG_LOG_ENVVAR([ver], [version info])
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ver=$(AS_ECHO(["$ver"]) | $EGREP '[$5]')
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test -z "$ac_cv_path_$1" && ac_cv_path_$1=$ac_path_$1
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test -n "$ver" && ac_cv_path_$1="$ac_path_$1" ac_path_$1_found=: ctng_version_$1_ok=:])])])
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AC_MSG_CHECKING([for $2])
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AS_IF([$ctng_version_$1_ok],
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[AC_MSG_RESULT([yes])],
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[AC_MSG_RESULT([no])])
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AC_SUBST([$1], [$ac_cv_path_$1])
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AS_IF([test -n "$6"],
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[AS_IF([$ctng_version_$1_ok], [$6=y], [$6=])
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CTNG_SET_KCONFIG_OPTION([$6])])
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])
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# Same as above, but make it a fatal error if the tool is not found at all
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# (i.e. "require any version, prefer version X or newer")
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AC_DEFUN([CTNG_PROG_VERSION_REQ_ANY],
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[CTNG_PROG_VERSION([$1], [$2], [$3], [$4], [$5], [$6])
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AS_IF([test -z "$$1"],
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[AC_MSG_ERROR([Required tool not found: $3])])
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])
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# Same, but also require the version check to pass
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# (i.e. "require version X or newer")
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AC_DEFUN([CTNG_PROG_VERSION_REQ_STRICT],
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[CTNG_PROG_VERSION([$1], [$2], [$3], [$4], [$5], [$6])
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AS_IF([test -z "$$1" || ! $ctng_version_$1_ok],
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[AC_MSG_ERROR([Required tool not found: $2])])
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])
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