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Commit | Line | Data |
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c9c0d073 BB |
1 | dnl # |
2 | dnl # Check if gcc supports -Wframe-larger-than=<size> option. | |
3 | dnl # | |
4 | AC_DEFUN([ZFS_AC_CONFIG_USER_FRAME_LARGER_THAN], [ | |
5 | AC_MSG_CHECKING([for -Wframe-larger-than=<size> support]) | |
6 | ||
7 | saved_flags="$CFLAGS" | |
8 | CFLAGS="$CFLAGS -Wframe-larger-than=1024" | |
9 | ||
e89236fd | 10 | AC_RUN_IFELSE([AC_LANG_PROGRAM([], [])], |
c9c0d073 BB |
11 | [ |
12 | FRAME_LARGER_THAN=-Wframe-larger-than=1024 | |
13 | AC_MSG_RESULT([yes]) | |
14 | ], | |
15 | [ | |
16 | FRAME_LARGER_THAN= | |
17 | AC_MSG_RESULT([no]) | |
18 | ]) | |
19 | ||
20 | CFLAGS="$saved_flags" | |
21 | AC_SUBST([FRAME_LARGER_THAN]) | |
22 | ]) |