This is an automated email from the ASF dual-hosted git repository. xiaoxiang pushed a commit to branch master in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit 21cff9fc4fcec80b321c7a0d507d40ba34b4148e Author: ligd <[email protected]> AuthorDate: Wed Sep 2 10:35:37 2020 +0800 sim/Make.defs: add -fvisibility=hidden to CFLAGS This can hidden all nuttx's symbols, and DO NOT export nuttx's symbols to share libraries. e.g. wrong: NUTTX PC NUTTX ffmpeg -> asound -> sysconf right: NUTTX PC PC ffmpeg -> asound -> sysconf Signed-off-by: ligd <[email protected]> --- boards/sim/sim/sim/scripts/Make.defs | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/boards/sim/sim/sim/scripts/Make.defs b/boards/sim/sim/sim/scripts/Make.defs index 179da75..d374c90 100644 --- a/boards/sim/sim/sim/scripts/Make.defs +++ b/boards/sim/sim/sim/scripts/Make.defs @@ -41,6 +41,16 @@ ARCHPICFLAGS = -fpic ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef ARCHWARNINGSXX = -Wall -Wshadow -Wundef +# Add -fvisibility=hidden +# Because we don't want export nuttx's symbols to share libraries + +ARCHCPUFLAGS += -fvisibility=hidden +ARCHCPUFLAGSXX += -fvisibility=hidden + +ifeq ($(CONFIG_HOST_MACOS),y) + LDLINKFLAGS += -keep_private_externs +endif + # Add -fno-common because macOS "ld -r" doesn't seem to pick objects # for common symbols. ARCHCPUFLAGS += -fno-common
