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[meta-oe,1/2] abseil-cpp: Link with libatomic on riscv32

Message ID 20250821071335.814796-1-raj.khem@gmail.com
State New
Headers show
Series [meta-oe,1/2] abseil-cpp: Link with libatomic on riscv32 | expand

Commit Message

Khem Raj Aug. 21, 2025, 7:13 a.m. UTC
64-bit builtins for atomics are not provided by compiler

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 meta-oe/recipes-devtools/abseil-cpp/abseil-cpp_20250512.1.bb | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/meta-oe/recipes-devtools/abseil-cpp/abseil-cpp_20250512.1.bb b/meta-oe/recipes-devtools/abseil-cpp/abseil-cpp_20250512.1.bb
index 4afbba963a..d4e616a733 100644
--- a/meta-oe/recipes-devtools/abseil-cpp/abseil-cpp_20250512.1.bb
+++ b/meta-oe/recipes-devtools/abseil-cpp/abseil-cpp_20250512.1.bb
@@ -21,6 +21,9 @@  EXTRA_OECMAKE = "-DBUILD_SHARED_LIBS=ON \
                  -DBUILD_TESTING=OFF    \
                  -DABSL_ENABLE_INSTALL=ON \
                 "
+#  riscv32-yoe-linux-ld.lld: error: undefined reference: __atomic_store_8
+#  >>> referenced by <recipe-sysroot>/usr/lib/libabsl_flags_internal.so.2505.0.0 (disallowed by --no-allow-shlib-undefined)
+LDFLAGS:append:riscv32 = " -latomic"
 
 SYSROOT_DIRS:append:class-nativesdk:mingw32 = " ${bindir}"