mirror of https://github.com/MidnightCommander/mc
buildsys: fix enabling C standards for older autoconf broken in 1bc8abd7
Signed-off-by: Yury V. Zaytsev <yury@shurup.com>
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@ -42,6 +42,11 @@ AC_CHECK_TOOLS([AR], [ar gar])
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AC_PROG_CC
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# AC_PROG_CC doesn't try enabling C99 in autoconf 2.69 and below, but
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# AC_PROG_CC_C99 is deprecated in newer ones. In autoconf 2.70+ both
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# will try enabling features up to C11.
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m4_version_prereq([2.70], [AC_PROG_CC], [AC_PROG_CC_C99])
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mc_CHECK_CFLAGS
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CFLAGS_OPTS=""
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