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configure: Added compilation check for dangerous use of 'extern' keyword

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Christophe CURIS
2013-10-10 23:55:56 +02:00
committed by Carlos R. Mafra
parent 18059fb1c7
commit 3b85fca43c
1 changed files with 5 additions and 0 deletions
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5
configure.ac
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@@ -102,6 +102,11 @@ AS_IF([test "x$debug" = "xyes"],
dnl Try to report misuses of '&' versus '&&' and similar
AX_CFLAGS_GCC_OPTION([-Wlogical-op])
dnl
dnl Reports declaration of global things that are done inside
dnl a local environment, instead of using the appropriate
dnl header
AX_CFLAGS_GCC_OPTION([-Wnested-externs])
dnl
dnl Use of 'sizeof()' on inappropriate pointer types
AX_CFLAGS_GCC_OPTION([-Wpointer-arith])
], [dnl