21 lines
566 B
Plaintext
21 lines
566 B
Plaintext
dnl #
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dnl # Check if gcc supports -fno-aggressive-loop-optimizations
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_NO_AGGRESSIVE_LOOP_OPTIMIZATIONS], [
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AC_MSG_CHECKING([for -fno-aggressive-loop-optimizations support])
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saved_flags="$CFLAGS"
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CFLAGS="$CFLAGS -fno-aggressive-loop-optimizations"
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AC_RUN_IFELSE([AC_LANG_PROGRAM([], [])], [
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NO_AGGRESSIVE_LOOP_OPTIMIZATIONS=-fno-aggressive-loop-optimizations
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AC_MSG_RESULT([yes])
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], [
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NO_AGGRESSIVE_LOOP_OPTIMIZATIONS=
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AC_MSG_RESULT([no])
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])
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CFLAGS="$saved_flags"
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AC_SUBST([NO_AGGRESSIVE_LOOP_OPTIMIZATIONS])
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])
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