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sigrok.m4: Add SR_PROG_VERSION macro

This commit is contained in:
Daniel Elstner 2015-09-08 04:42:22 +02:00
parent c178386178
commit a6e8a8f766
1 changed files with 13 additions and 0 deletions
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13
m4/sigrok.m4
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@ -319,6 +319,19 @@ _SR_ARG_OPT_PKG(m4_defn([_SR_VAR_OPT_PKG_FEATURES]),
m4_shift3($@))[]dnl
])
## SR_PROG_VERSION(program, sh-var)
##
## Obtain the version of <program> and store it in <sh-var>.
##
AC_DEFUN([SR_PROG_VERSION],
[dnl
m4_assert([$# >= 2])[]dnl
sr_prog_ver=`$1 --version 2>&AS_MESSAGE_LOG_FD | sed 1q 2>&AS_MESSAGE_LOG_FD`
AS_CASE([[$]?:$sr_prog_ver],
[[0:*[0-9].[0-9]*]], [$2=$sr_prog_ver],
[$2=unknown])[]dnl
])
## SR_PROG_MAKE_NO_PRINT_DIRECTORY
##
## Check whether the make program supports the --no-print-directory flag.