package/zabbix: fix BR2_SHARED_STATIC_LIBS

zabbix uses custom --enable-{static,shared} options, instead of standard
libtool directives resulting in the following build failure with openssl
or libcurl:

configure:13132: /home/autobuild/autobuild/instance-6/output-1/host/bin/or1k-buildroot-linux-gnu-gcc -o conftest -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Ofast -g0  -I/home/autobuild/autobuild/instance-6/output-1/host/or1k-buildroot-linux-gnu/sysroot/usr/include -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -rdynamic  -static -L/home/autobuild/autobuild/instance-6/output-1/host/or1k-buildroot-linux-gnu/sysroot/usr/lib conftest.c -lssl -lcrypto -lm   >&5
/home/autobuild/autobuild/instance-6/output-1/host/lib/gcc/or1k-buildroot-linux-gnu/10.3.0/../../../../or1k-buildroot-linux-gnu/bin/ld: /home/autobuild/autobuild/instance-6/output-1/host/or1k-buildroot-linux-gnu/sysroot/usr/lib/libcrypto.a(dso_dlfcn.o): in function `dlfcn_globallookup':
dso_dlfcn.c:(.text+0x2c): warning: Using 'dlopen' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/home/autobuild/autobuild/instance-6/output-1/host/lib/gcc/or1k-buildroot-linux-gnu/10.3.0/../../../../or1k-buildroot-linux-gnu/bin/ld: /home/autobuild/autobuild/instance-6/output-1/host/or1k-buildroot-linux-gnu/sysroot/usr/lib/libcrypto.a(b_addr.o): in function `BIO_lookup_ex':
b_addr.c:(.text+0x1128): warning: Using 'getaddrinfo' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/home/autobuild/autobuild/instance-6/output-1/host/lib/gcc/or1k-buildroot-linux-gnu/10.3.0/../../../../or1k-buildroot-linux-gnu/bin/ld: /home/autobuild/autobuild/instance-6/output-1/host/or1k-buildroot-linux-gnu/sysroot/usr/lib/libcrypto.a(b_sock.o): in function `BIO_gethostbyname':
b_sock.c:(.text+0x90): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
/home/autobuild/autobuild/instance-6/output-1/host/lib/gcc/or1k-buildroot-linux-gnu/10.3.0/../../../../or1k-buildroot-linux-gnu/bin/ld: /tmp/cceWHjDi.o: in function `main':
conftest.c:(.text.startup+0x8): undefined reference to `SSL_connect'

[...]

configure: error: OpenSSL library libssl or libcrypto not found
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/zabbix/zabbix.mk

@@ -125,6 +125,13 @@ endif
 
 endif # BR2_PACKAGE_ZABBIX_SERVER
 
+# zabbix uses custom --enable-{static,shared} options, instead of
+# standard libtool directives resulting in a build failure with libcurl
+# or openssl.
+ifeq ($(BR2_SHARED_STATIC_LIBS),y)
+ZABBIX_CONF_OPTS += --disable-static
+endif
+
 define ZABBIX_INSTALL_INIT_SYSTEMD
 	$(foreach unit,$(ZABBIX_SYSTEMD_UNITS),\
 		$(INSTALL) -D -m 0644 $(ZABBIX_PKGDIR)/$(unit) $(TARGET_DIR)/usr/lib/systemd/system/$(unit) && \