2019-01-07 14:06:15 +01:00
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dnl @synopsis AC_CHECK_CC_OPT(flag, ifyes, ifno)
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dnl
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2020-09-11 13:42:22 +02:00
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dnl Shows a message as like "checking whether gcc accepts flag ... no"
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dnl and executes ifyes or ifno.
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2019-01-07 14:06:15 +01:00
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AC_DEFUN([AC_CHECK_CC_OPT],
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[
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AC_MSG_CHECKING([whether ${CC-cc} accepts $1])
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echo 'void f(){}' > conftest.c
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if test -z "`${CC-cc} -c $1 conftest.c 2>&1`"; then
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AC_MSG_RESULT([yes])
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$2
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else
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AC_MSG_RESULT([no])
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$3
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fi
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rm -f conftest*
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])
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