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| author | Paul Eggert <eggert@cs.ucla.edu> | 2006-05-15 03:17:08 +0000 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2006-05-15 03:17:08 +0000 |
| commit | 48138763f05fa312089223282f2a162117f2f8d9 (patch) | |
| tree | 3eb44ae48aae81ad1f50b2834a95b7726abc9b86 /m4 | |
| parent | 3c51d8f36f83badfcd798ab803597d259877dd42 (diff) | |
| download | coreutils-48138763f05fa312089223282f2a162117f2f8d9.tar.xz | |
(AC_HEADER_STDBOOL): Fix overly-picky
test for C99 conformance; (bool) 0.5 is an integer constant
expression, but (bool) -0.5 is not. Problem reported by Fedor
Sergeev in <http://forum.sun.com/jive/thread.jspa?threadID=96202>.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ChangeLog | 7 | ||||
| -rw-r--r-- | m4/stdbool.m4 | 4 |
2 files changed, 9 insertions, 2 deletions
diff --git a/m4/ChangeLog b/m4/ChangeLog index 6d584a076..c984e9bb9 100644 --- a/m4/ChangeLog +++ b/m4/ChangeLog @@ -1,3 +1,10 @@ +2006-05-14 Paul Eggert <eggert@cs.ucla.edu> + + * stdbool.m4 (AC_HEADER_STDBOOL): Fix overly-picky + test for C99 conformance; (bool) 0.5 is an integer constant + expression, but (bool) -0.5 is not. Problem reported by Fedor + Sergeev in <http://forum.sun.com/jive/thread.jspa?threadID=96202>. + 2006-02-17 Eric Blake <ebb9@byu.net> Sync from gnulib. diff --git a/m4/stdbool.m4 b/m4/stdbool.m4 index 43fbe2815..2204ecd98 100644 --- a/m4/stdbool.m4 +++ b/m4/stdbool.m4 @@ -64,9 +64,9 @@ AC_DEFUN([AC_HEADER_STDBOOL], char a[true == 1 ? 1 : -1]; char b[false == 0 ? 1 : -1]; char c[__bool_true_false_are_defined == 1 ? 1 : -1]; - char d[(bool) -0.5 == true ? 1 : -1]; + char d[(bool) 0.5 == true ? 1 : -1]; bool e = &s; - char f[(_Bool) -0.0 == false ? 1 : -1]; + char f[(_Bool) 0.0 == false ? 1 : -1]; char g[true]; char h[sizeof (_Bool)]; char i[sizeof s.t]; |