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Build with `-Wpointer-arith' when available.

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* configure.ac (POTENTIAL_GCC_CFLAGS): Add `-Wpointer-arith'.
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Ludovic Courtès 2012-05-06 22:23:12 +02:00
parent e9c898bf24
commit 82171a2ea4
1 changed files with 1 additions and 3 deletions
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4
configure.ac
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@ -1495,8 +1495,6 @@ case "$GCC" in
## We had -Wstrict-prototypes in here for a bit, but Guile does too ## We had -Wstrict-prototypes in here for a bit, but Guile does too
## much stuff with generic function pointers for that to really be ## much stuff with generic function pointers for that to really be
## less than exasperating. ## less than exasperating.
## -Wpointer-arith was here too, but something changed in gcc/glibc
## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
## -Wundef was removed because Gnulib prevented it (see ## -Wundef was removed because Gnulib prevented it (see
## <http://thread.gmane.org/gmane.lisp.guile.bugs/5329>.) ## <http://thread.gmane.org/gmane.lisp.guile.bugs/5329>.)
@ -1505,7 +1503,7 @@ case "$GCC" in
## <http://lists.gnu.org/archive/html/guile-devel/2012-01/msg00487.html>. ## <http://lists.gnu.org/archive/html/guile-devel/2012-01/msg00487.html>.
POTENTIAL_GCC_CFLAGS="-Wall -Wmissing-prototypes \ POTENTIAL_GCC_CFLAGS="-Wall -Wmissing-prototypes \
-Wdeclaration-after-statement \ -Wdeclaration-after-statement -Wpointer-arith \
-Wswitch-enum -fno-strict-aliasing" -Wswitch-enum -fno-strict-aliasing"
# Do this here so we don't screw up any of the tests above that might # Do this here so we don't screw up any of the tests above that might
# not be "warning free" # not be "warning free"