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authorSimon Marchi <simon.marchi@efficios.com>2024-04-12 13:51:54 -0400
committerSimon Marchi <simon.marchi@polymtl.ca>2024-04-17 10:49:32 -0400
commitcbb97c5be367123a00846d4dacb6a042fff87901 (patch)
tree93bf7b474fb77fb86468ad795bfe395a5c8c1bb0 /gdbserver
parent1992aeb29ee6f14b0db3801538363ca606a9e687 (diff)
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gdbsupport, gdbserver, gdb: use -Wno-vla-cxx-extension
When building with clang 18, I see: CXX aarch64-linux-tdep.o /home/smarchi/src/binutils-gdb/gdb/aarch64-linux-tdep.c:1299:26: error: variable length arrays in C++ are a Clang extension [-Werror,-Wvla-cxx-extension] 1299 | gdb_byte za_zeroed[za_bytes]; | ^~~~~~~~ /home/smarchi/src/binutils-gdb/gdb/aarch64-linux-tdep.c:1299:26: note: read of non-const variable 'za_bytes' is not allowed in a constant expression /home/smarchi/src/binutils-gdb/gdb/aarch64-linux-tdep.c:1282:10: note: declared here 1282 | size_t za_bytes = std::pow (sve_vl_from_vg (svg), 2); | ^ Since we are using VLAs right now, that warning doesn't make sense for us. add `-Wno-vla-cxx-extension` to the list of warning flags we try to enable. If we ever choose to disallow VLAs, we can remove that flag. Change-Id: Ie41feafc50c343f6e75333d4f836ce32fbeb6d8c
Diffstat (limited to 'gdbserver')
-rwxr-xr-xgdbserver/configure1
1 files changed, 1 insertions, 0 deletions
diff --git a/gdbserver/configure b/gdbserver/configure
index b85db9c..026d250 100755
--- a/gdbserver/configure
+++ b/gdbserver/configure
@@ -13706,6 +13706,7 @@ build_warnings="-Wall -Wpointer-arith \
-Wredundant-move \
-Wmissing-declarations \
-Wstrict-null-sentinel \
+-Wno-vla-cxx-extension \
"
# The -Wmissing-prototypes flag will be accepted by GCC, but results