From 2cbcf2d916d54fdb0a40f4b99d27afc1bfe854c0 Mon Sep 17 00:00:00 2001 From: Bernd Kuhls Date: Wed, 20 Jun 2018 21:58:04 +0200 Subject: [PATCH] package/berkeleydb: fix build error with gcc8 Fixes ../src/dbinc/atomic.h:179:19: error: definition of 'int __atomic_compare_exchange(db_atomic_t*, atomic_value_t, atomic_value_t)' ambiguates built-in declaration 'bool __atomic_compare_exchange(unsigned int, volatile void*, void*, void*, int, int)' static inline int __atomic_compare_exchange( ^~~~~~~~~~~~~~~~~~~~~~~~~ To reproduce the build error use this defconfig BR2_GCC_VERSION_8_X=y BR2_TOOLCHAIN_BUILDROOT_CXX=y BR2_PACKAGE_BERKELEYDB=y BR2_PACKAGE_BERKELEYDB_COMPAT185=y BR2_PACKAGE_BERKELEYDB_TOOLS=y Please note that to trigger the error BR2_TOOLCHAIN_BUILDROOT_CXX=y is needed although berkeleydb does not depend on c++. Signed-off-by: Bernd Kuhls Signed-off-by: Peter Korsgaard --- .../0002-atomic_compare_exchange.patch | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 package/berkeleydb/0002-atomic_compare_exchange.patch diff --git a/package/berkeleydb/0002-atomic_compare_exchange.patch b/package/berkeleydb/0002-atomic_compare_exchange.patch new file mode 100644 index 0000000000..81e18ac96f --- /dev/null +++ b/package/berkeleydb/0002-atomic_compare_exchange.patch @@ -0,0 +1,27 @@ +Rename __atomic_compare_exchange to not clash with gcc built-in + +Downloaded from +https://src.fedoraproject.org/cgit/rpms/libdb.git/commit/?id=d6841b3b46a51db98c162347211a5a64d154ea37 + +Signed-off-by: Bernd Kuhls + +--- db-5.3.28/src/dbinc/atomic.h.old 2018-05-23 09:20:04.216914922 +0200 ++++ db-5.3.28/src/dbinc/atomic.h 2018-05-23 09:20:49.510057897 +0200 +@@ -144,7 +144,7 @@ + #define atomic_inc(env, p) __atomic_inc(p) + #define atomic_dec(env, p) __atomic_dec(p) + #define atomic_compare_exchange(env, p, o, n) \ +- __atomic_compare_exchange((p), (o), (n)) ++ __db_atomic_compare_exchange((p), (o), (n)) + static inline int __atomic_inc(db_atomic_t *p) + { + int temp; +@@ -176,7 +176,7 @@ + * http://gcc.gnu.org/onlinedocs/gcc-4.1.0/gcc/Atomic-Builtins.html + * which configure could be changed to use. + */ +-static inline int __atomic_compare_exchange( ++static inline int __db_atomic_compare_exchange( + db_atomic_t *p, atomic_value_t oldval, atomic_value_t newval) + { + atomic_value_t was; -- 2.30.2