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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.
This commit is contained in:
Joel E. Denny
2009-08-01 17:51:34 -04:00
parent 9e408f848d
commit 42f8609bbd
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.
2009-06-29 Akim Demaille <demaille@gostai.com>
build: avoid concurrent extraction of calc++.