[Buildroot] [git commit] package/libcurl: link with -latomic if needed

[Buildroot] [git commit] package/libcurl: link with -latomic if needed

[Thomas Petazzoni via buildroot]

commit: https://git.buildroot.net/buildroot/commit/?id=4351da28a4c0de53bf6e4fece48afcb9566590cb
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

Fixes build error:

/nvmedata/autobuild/instance-1/output-1/host/lib/gcc/microblazeel-buildroot-linux-uclibc/10.3.0/../../../../microblazeel-buildroot-linux-uclibc/bin/ld:
 ../lib/.libs/libcurl.a(libcurl_la-easy.o): in function `curl_simple_lock_lock':
(.text+0x46c): undefined reference to `__atomic_exchange_1'

Fixes:
http://autobuild.buildroot.net/results/1ed/1eddc48f24ab766cfc880c493ed9b230fc57bc09/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
---
 package/libcurl/libcurl.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/package/libcurl/libcurl.mk b/package/libcurl/libcurl.mk
index e241bd1c88..5dc4eebefa 100644
--- a/package/libcurl/libcurl.mk
+++ b/package/libcurl/libcurl.mk
@@ -32,6 +32,10 @@ else
 LIBCURL_CONF_OPTS += --disable-threaded-resolver
 endif
 
+ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
+LIBCURL_CONF_OPTS += LIBS=-latomic
+endif
+
 ifeq ($(BR2_PACKAGE_LIBCURL_VERBOSE),y)
 LIBCURL_CONF_OPTS += --enable-verbose
 else
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