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build: disable -Wgnu-variable-sized-type-not-at-end for systemd code

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clang 5.0.1 complains:

  src/systemd/src/libsystemd-network/dhcp6-option.c:40:28: error:
      field 'option' with variable sized type 'struct DHCP6Option' not at
      the end of a struct or class is a GNU extension
      [-Werror,-Wgnu-variable-sized-type-not-at-end]
        struct DHCP6Option option;
                           ^

systemd disables this warning too.
This commit is contained in:
Lubomir Rintel 2018-02-16 16:05:31 +01:00
parent 0999ebdf6d
commit 9daa9346e2
2 changed files with 4 additions and 0 deletions
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1
Makefile.am
View file

@ -1225,6 +1225,7 @@ src_libsystemd_nm_la_cppflags = \
-I$(srcdir)/src/systemd/src/shared \
-I$(srcdir)/src/systemd/src/libsystemd-network \
-DNETWORKMANAGER_COMPILATION=NM_NETWORKMANAGER_COMPILATION_SYSTEMD \
$(LIBSYSTEMD_NM_CFLAGS) \
$(GLIB_CFLAGS) \
$(CODE_COVERAGE_CFLAGS)

3
configure.ac
View file

@ -1097,6 +1097,9 @@ fi
NM_COMPILER_WARNINGS(CFLAGS, ${more_warnings_default})
NM_COMPILER_FLAG(LIBSYSTEMD_NM_CFLAGS, "-Wno-gnu-variable-sized-type-not-at-end")
AC_SUBST(LIBSYSTEMD_NM_CFLAGS)
CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
-fno-strict-aliasing \
])