compile fail

[ffyliu]

gcc version 4.8.5
Red Hat 4.8.5-16
android-ndk-r16b
compile openconnect log below:

configure:3929: $? = 0
configure:3918: gcc -std=gnu99 -v >&5
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/4.8.5/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-initfini-array --disable-libgcj --with-isl=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/isl-install --with-cloog=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/cloog-install --enable-gnu-indirect-function --with-tune=generic --with-arch_32=x86-64 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.8.5 20150623 (Red Hat 4.8.5-16) (GCC)
configure:3929: $? = 0
configure:3918: gcc -std=gnu99 -V >&5
gcc: error: unrecognized command line option '-V'
gcc: fatal error: no input files
compilation terminated.
configure:3929: $? = 4
configure:3918: gcc -std=gnu99 -qversion >&5
gcc: error: unrecognized command line option '-qversion'
gcc: fatal error: no input files
compilation terminated.
configure:3929: $? = 4
configure:3949: checking whether the C compiler works
configure:3971: gcc -std=gnu99 -march=armv7-a -mthumb -D__ANDROID_API=14 -O2 -fvisibility=default -fPIE -I/usr/local/openssl/include -rdynamic -pie conftest.c >&5
gcc: error: unrecognized command line option '-mthumb'
configure:3975: $? = 1
configure:4013: result: no
configure: failed program was:
| /* confdefs.h /
| #define PACKAGE_NAME "openconnect"
| #define PACKAGE_TARNAME "openconnect"
| #define PACKAGE_VERSION "7.08"
| #define PACKAGE_STRING "openconnect 7.08"
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL ""
| #define PACKAGE "openconnect"
| #define VERSION "7.08"
| #define _GNU_SOURCE 1
| #define DEFAULT_VPNCSCRIPT "/etc/vpnc/vpnc-script"
| / end confdefs.h. */
|
| int
| main ()
| {
|
| ;
| return 0;
| }

[ffyliu]

use ubuntu to compile is OK.