checking for -Werror=unknown-warning-option... yes
x264 configure script
Command line options: "--enable-static" "--enable-pic" "--disable-cli" "--host=aarch64-apple-darwin" "--extra-cflags=-arch" "arm64" "-fembed-bitcode" "-mios-version-min=7.0" "--extra-asflags=-arch" "arm64" "-fembed-bitcode" "-mios-version-min=7.0" "--extra-ldflags=-arch" "arm64" "-fembed-bitcode" "-mios-version-min=7.0" "--prefix=/Users/ak/Desktop/buildFFmpeg/x264-ios-master/thin-x264/arm64"

checking whether xcrun -sdk iphoneos clang works... yes
checking whether xcrun -sdk iphoneos clang supports for( int i = 0; i < 9; i++ ); with -std=gnu99... yes
checking whether xcrun -sdk iphoneos clang supports __asm__("cmeq v0.8h, v0.8h, #0");... yes
checking whether /Users/ak/Desktop/buildFFmpeg/x264-ios-master/x264/tools/gas-preprocessor.pl -arch aarch64 -- xcrun -sdk iphoneos clang supports .func test
.endfunc... yes
checking for pthread_create(0,0,0,0); in pthread.h... yes
checking for volatile float x = 2; return log2f(x); in math.h... yes
checking for strtok_r(0, 0, 0); in string.h... yes
checking for clock_gettime(CLOCK_MONOTONIC, 0); in time.h... yes
checking whether defined(MAP_PRIVATE) is true... yes
checking for uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3}; in stdint.h... yes
checking for stdio.h... no
Failed commandline was:
--------------------------------------------------
xcrun -sdk iphoneos clang conftest.c  -Wall -I. -I$(SRCPATH) -arch arm64 -fembed-bitcode -mios-version-min=7.0 -std=gnu99 -D_GNU_SOURCE -fPIC  -Werror=unknown-warning-option -shared -Wl,-Bsymbolic   -arch arm64 -fembed-bitcode -mios-version-min=7.0 -lm -lpthread -o conftest
ld: unknown option: -Bsymbolic
clang: error: linker command failed with exit code 1 (use -v to see invocation)
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include <stdio.h>
int main (void) {  return 0; }
--------------------------------------------------
checking for -fno-tree-vectorize... yes
checking for fseeko(stdin,0,0); in stdio.h... yes
checking for -Wshadow... yes
checking for -Wmaybe-uninitialized... no
Failed commandline was:
--------------------------------------------------
xcrun -sdk iphoneos clang conftest.c -Wshadow -O3 -ffast-math  -Wall -I. -I$(SRCPATH) -arch arm64 -fembed-bitcode -mios-version-min=7.0 -std=gnu99 -D_GNU_SOURCE -fPIC -fomit-frame-pointer -fno-tree-vectorize  -Werror=unknown-warning-option -Wmaybe-uninitialized   -arch arm64 -fembed-bitcode -mios-version-min=7.0 -lm -lpthread -o conftest
error: unknown warning option '-Wmaybe-uninitialized'; did you mean '-Wuninitialized'? [-Werror,-Wunknown-warning-option]
--------------------------------------------------
Failed program was:
--------------------------------------------------
int main (void) {  return 0; }
--------------------------------------------------

platform:      AARCH64
byte order:    little-endian
system:        MACOSX
cli:           no
libx264:       internal
shared:        no
static:        yes
asm:           yes
interlaced:    yes
avs:           no
lavf:          no
ffms:          no
mp4:           no
gpl:           yes
thread:        posix
opencl:        yes
filters:       crop select_every
lto:           no
debug:         no
gprof:         no
strip:         no
PIC:           yes
bit depth:     all
chroma format: all