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Pacify "gcc -Wunused" for the input function from Flex.

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Reported by Alex Rozenman.  This warning shows up with gcc-4.3.0
and later.
* src/scan-code.l: Add "%option noinput", which I cannot find in
the Flex manual, but which Flex has supported since at least as
far back as 2.5.4.  However, if any of our developers still use
Flex 2.5.4, they'll need to stop configuring with
--enable-gcc-warnings because "%option noinput" didn't work
correctly until Flex 2.5.6.
* src/scan-gram.l: Likewise.
* src/scan-skel.l: Likewise.
(cherry picked from commit 42f8609bbd)
This commit is contained in:
Joel E. Denny
2009-08-01 17:51:34 -04:00
parent cbc6a70e9d
commit 4521fcdf02
4 changed files with 17 additions and 3 deletions
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@@ -1,3 +1,17 @@
2009-08-01 Joel E. Denny <jdenny@clemson.edu>
Pacify "gcc -Wunused" for the input function from Flex.
Reported by Alex Rozenman. This warning shows up with gcc-4.3.0
and later.
* src/scan-code.l: Add "%option noinput", which I cannot find in
the Flex manual, but which Flex has supported since at least as
far back as 2.5.4. However, if any of our developers still use
Flex 2.5.4, they'll need to stop configuring with
--enable-gcc-warnings because "%option noinput" didn't work
correctly until Flex 2.5.6.
* src/scan-gram.l: Likewise.
* src/scan-skel.l: Likewise.
2009-07-31 Alex Rozenman <rozenman@gmail.com>
Fix --enable-gcc-warnings problems.