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Configure: Added some -Wxxx checks when debug mode is enabled

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We probably don't want our users to have to endure them, so they
are enabled only when Debug is activated, because they tend to
help keeping the code safe.
This commit is contained in:
Christophe CURIS
2013-05-11 00:07:20 +02:00
committed by Carlos R. Mafra
parent 1da498ff3b
commit f2824647f3
1 changed files with 16 additions and 0 deletions
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16
configure.ac
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@@ -89,6 +89,22 @@ AS_IF([test "x$debug" = "xyes"],
AX_CFLAGS_GCC_OPTION(-Wall)
AX_CFLAGS_GCC_OPTION(-Wextra -Wno-sign-compare -Wno-unused-parameter)
AS_IF([test "x$debug" = "xyes"],
[dnl When debug is enabled, we try to activate more checks from
dnl the compiler. They are on independant check because the
dnl macro checks all the options at once, but we may have cases
dnl where some options are not supported and we don't want to
dnl loose all of them.
dnl
dnl Floating-point comparison is not a good idea
AX_CFLAGS_GCC_OPTION([-Wfloat-equal])
dnl
dnl Try to report misuses of '&' versus '&&' and similar
AX_CFLAGS_GCC_OPTION([-Wlogical-op])
dnl
dnl Use of 'sizeof()' on inappropriate pointer types
AX_CFLAGS_GCC_OPTION([-Wpointer-arith])
])
dnl Platform-specific Makefile setup
dnl ================================