awcast 如果用glibc编译失败

[ubuntu]

CFLAGS="-Os -pipe -march=armv7-a -mtune=cortex-a7 -mfpu=neon -fno-caller-saves -Wno-unused-result -mfloat-abi=hard  -Wformat -Werror=format-security -fPIC -D_FORTIFY_SOURCE=2 -Wl,-z,now -Wl,-z,relro -DCONF_AWCAST_DLNA_ENABLE -DCONF_AWCAST_MIRACAST_ENABLE -DCONF_AWCAST_AIRPLAY_ENABLE  -I/opt/H133/H133-lianhe/out/h133-p2/staging_dir/target/usr/include -I/opt/H133/H133-lianhe/out/h133-p2/staging_dir/target/include -I/opt/H133/H133-lianhe/prebuilt/gcc/linux-x86/arm/toolchain-sunxi-glibc/toolchain/usr/include -I/opt/H133/H133-lianhe/prebuilt/gcc/linux-x86/arm/toolchain-sunxi-glibc/toolchain/include " CXXFLAGS="-Os -pipe -march=armv7-a -mtune=cortex-a7 -mfpu=neon -fno-caller-saves -Wno-unused-result -mfloat-abi=hard  -Wformat -Werror=format-security -fPIC -D_FORTIFY_SOURCE=2 -Wl,-z,now -Wl,-z,relro -DCONF_AWCAST_DLNA_ENABLE -DCONF_AWCAST_MIRACAST_ENABLE -DCONF_AWCAST_AIRPLAY_ENABLE -Wno-virtual-dtor  -I/opt/H133/H133-lianhe/out/h133-p2/staging_dir/target/usr/include -I/opt/H133/H133-lianhe/out/h133-p2/staging_dir/target/include -I/opt/H133/H133-lianhe/prebuilt/gcc/linux-x86/arm/toolchain-sunxi-glibc/toolchain/usr/include -I/opt/H133/H133-lianhe/prebuilt/gcc/linux-x86/arm/toolchain-sunxi-glibc/toolchain/include " LDFLAGS="-L/opt/H133/H133-lianhe/out/h133-p2/staging_dir/target/usr/lib -L/opt/H133/H133-lianhe/out/h133-p2/staging_dir/target/lib -L/opt/H133/H133-lianhe/prebuilt/gcc/linux-x86/arm/toolchain-sunxi-glibc/toolchain/usr/lib -L/opt/H133/H133-lianhe/prebuilt/gcc/linux-x86/arm/toolchain-sunxi-glibc/toolchain/lib -specs=/opt/H133/H133-lianhe/build/hardened-ld-pie.specs -znow -zrelro " LIBS="" make -j1 -C /opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast/. AR="arm-openwrt-linux-gnueabi-ar" AS="arm-openwrt-linux-gnueabi-gcc -c -Os -pipe -march=armv7-a -mtune=cortex-a7 -mfpu=neon -fno-caller-saves -Wno-unused-result -mfloat-abi=hard  -Wformat -Werror=format-security -fPIC -D_FORTIFY_SOURCE=2 -Wl,-z,now -Wl,-z,relro -DCONF_AWCAST_DLNA_ENABLE -DCONF_AWCAST_MIRACAST_ENABLE -DCONF_AWCAST_AIRPLAY_ENABLE" LD=arm-openwrt-linux-gnueabi-ld NM="arm-openwrt-linux-gnueabi-nm" CC="arm-openwrt-linux-gnueabi-gcc" GCC="arm-openwrt-linux-gnueabi-gcc" CXX="arm-openwrt-linux-gnueabi-g++" RANLIB="arm-openwrt-linux-gnueabi-ranlib" STRIP=arm-openwrt-linux-gnueabi-strip OBJCOPY=arm-openwrt-linux-gnueabi-objcopy OBJDUMP=arm-openwrt-linux-gnueabi-objdump SIZE=arm-openwrt-linux-gnueabi-size CROSS="arm-openwrt-linux-gnueabi-" ARCH="arm" CMAKE_COMMAND='/opt/H133/H133-lianhe/out/host/bin/cmake' CMAKE_DISABLE_cmake_check_build_system=1 ;
make[4]: Entering directory '/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast'
make[5]: Entering directory '/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast'
make[6]: Entering directory '/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast'
make[6]: Leaving directory '/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast'
[ 28%] Built target tinyui
make[6]: Entering directory '/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast'
make[6]: Leaving directory '/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast'
make[6]: Entering directory '/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast'
[ 35%] Linking C executable awcast
CMakeFiles/awcast.dir/wireless_display.c.o: In function `wd_start_airplay':
wireless_display.c:(.text+0x344): undefined reference to `CWA_SetRes'
collect2: error: ld returned 1 exit status
CMakeFiles/awcast.dir/build.make:303: recipe for target 'awcast' failed
make[6]: *** [awcast] Error 1
make[6]: Leaving directory '/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast'
CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/awcast.dir/all' failed
make[5]: *** [CMakeFiles/awcast.dir/all] Error 2
make[5]: Leaving directory '/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast'
Makefile:127: recipe for target 'all' failed
make[4]: *** [all] Error 2
make[4]: Leaving directory '/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast'
Makefile:130: recipe for target '/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast/.built' failed
make[3]: *** [/opt/H133/H133-lianhe/out/h133-p2/compile_dir/target/awcast/.built] Error 2
make[3]: Leaving directory '/opt/H133/H133-lianhe/package/allwinner/homlet/awcast'
package/Makefile:192: recipe for target 'package/allwinner/homlet/awcast/compile' failed
make[2]: *** [package/allwinner/homlet/awcast/compile] Error 2
make[2]: Leaving directory '/opt/H133/H133-lianhe'
package/Makefile:189: recipe for target '/opt/H133/H133-lianhe/out/h133-p2/staging_dir/target/stamp/.package_compile' failed
make[1]: *** [/opt/H133/H133-lianhe/out/h133-p2/staging_dir/target/stamp/.package_compile] Error 2
make[1]: Leaving directory '/opt/H133/H133-lianhe'
/opt/H133/H133-lianhe/build/toplevel.mk:304: recipe for target 'world' failed
make: *** [world] Error 2
[2]+  Done                    $T/tools/build/buildserver --path $T 2> /dev/null 1>&2

#### make failed to build some targets (02:53 (mm:ss)) ####

[ubuntu]

@ubuntu

$ grep CWA_SetRes -r external/
external/awcast/src/wireless_display.c:        CWA_SetRes(CWA_RES_MID);
external/awcast/src/airplay/include/coolserver.h:int CWA_SetRes(int res);
Binary file external/awcast/src/airplay/lib/lib32/openwrt-arm-musl/libcoolserver.so matches
Binary file external/awcast/src/airplay/lib/lib32/openwrt-arm-musl/libcoolserver_s.a matches

只有 musl 实现了 CWA_SetRes，glibc没有实现。