编译FFmepgInterop的ARM部分出错

[weixin_38053353]

下载了微软开源的FFmpegInterop工程，搭好环境，利用Build.bat进行了编译，发现x64 x86都是正常的，d但是ARM部分出错，错误打印为：GNU assembler not found, install/update gas-preprocessor     config.log的最后打印是
cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -P -Fi./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): fatal error C1083: Cannot open include file: 'features.h': No such file or directory check_cpp_condition features.h defined __GLIBC__ check_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <features.h> 2 #if !(defined __GLIBC__) 3 #error "unsatisfied condition: defined __GLIBC__" 4 #endif END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -P -Fi./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): fatal error C1083: Cannot open include file: 'features.h': No such file or directory check_cpp_condition newlib.h defined _NEWLIB_VERSION check_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <newlib.h> 2 #if !(defined _NEWLIB_VERSION) 3 #error "unsatisfied condition: defined _NEWLIB_VERSION" 4 #endif END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -P -Fi./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): fatal error C1083: Cannot open include file: 'newlib.h': No such file or directory check_cpp_condition _mingw.h defined __MINGW64_VERSION_MAJOR check_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <_mingw.h> 2 #if !(defined __MINGW64_VERSION_MAJOR) 3 #error "unsatisfied condition: defined __MINGW64_VERSION_MAJOR" 4 #endif END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -P -Fi./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): fatal error C1083: Cannot open include file: '_mingw.h': No such file or directory check_cpp_condition _mingw.h defined __MINGW_VERSION check_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <_mingw.h> 2 #if !(defined __MINGW_VERSION) 3 #error "unsatisfied condition: defined __MINGW_VERSION" 4 #endif END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -P -Fi./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): fatal error C1083: Cannot open include file: '_mingw.h': No such file or directory check_cpp_condition _mingw.h defined __MINGW32_VERSION check_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <_mingw.h> 2 #if !(defined __MINGW32_VERSION) 3 #error "unsatisfied condition: defined __MINGW32_VERSION" 4 #endif END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -P -Fi./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): fatal error C1083: Cannot open include file: '_mingw.h': No such file or directory check_cpp_condition crtversion.h defined _VC_CRT_MAJOR_VERSION check_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <crtversion.h> 2 #if !(defined _VC_CRT_MAJOR_VERSION) 3 #error "unsatisfied condition: defined _VC_CRT_MAJOR_VERSION" 4 #endif END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -P -Fi./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c check_cpp_condition crtversion.h _VC_CRT_MAJOR_VERSION < 14 check_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <crtversion.h> 2 #if !(_VC_CRT_MAJOR_VERSION < 14) 3 #error "unsatisfied condition: _VC_CRT_MAJOR_VERSION < 14" 4 #endif END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -P -Fi./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(3): fatal error C1189: #error: "unsatisfied condition: _VC_CRT_MAJOR_VERSION < 14" check_cpp_condition stdlib.h defined(_WIN32_WINNT) check_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <stdlib.h> 2 #if !(defined(_WIN32_WINNT)) 3 #error "unsatisfied condition: defined(_WIN32_WINNT)" 4 #endif END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -P -Fi./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c check_cc BEGIN ./ffconf.msrlBw30.c 1 #include <time.h> 2 void *v = localtime_r; END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(2): error C2065: 'localtime_r': undeclared identifier ./ffconf.msrlBw30.c(2): error C2099: initializer is not a constant check_cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 BEGIN ./ffconf.msrlBw30.c 1 #include <time.h> 2 void *v = localtime_r; END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(2): error C2065: 'localtime_r': undeclared identifier ./ffconf.msrlBw30.c(2): error C2099: initializer is not a constant check_host_cpp_condition features.h defined __UCLIBC__ check_host_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <features.h> 2 #if !(defined __UCLIBC__) 3 #error "unsatisfied condition: defined __UCLIBC__" 4 #endif END ./ffconf.msrlBw30.c gcc -D_ISOC99_SOURCE -std=c99 -Wall -O3 -E -o ./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ./ffconf.msrlBw30.c:3:2: error: #error "unsatisfied condition: defined __UCLIBC__" #error "unsatisfied condition: defined __UCLIBC__" ^ check_host_cpp_condition features.h defined __GLIBC__ check_host_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <features.h> 2 #if !(defined __GLIBC__) 3 #error "unsatisfied condition: defined __GLIBC__" 4 #endif END ./ffconf.msrlBw30.c gcc -D_ISOC99_SOURCE -std=c99 -Wall -O3 -E -o ./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ./ffconf.msrlBw30.c:3:2: error: #error "unsatisfied condition: defined __GLIBC__" #error "unsatisfied condition: defined __GLIBC__" ^ check_host_cpp_condition newlib.h defined _NEWLIB_VERSION check_host_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <newlib.h> 2 #if !(defined _NEWLIB_VERSION) 3 #error "unsatisfied condition: defined _NEWLIB_VERSION" 4 #endif END ./ffconf.msrlBw30.c gcc -D_ISOC99_SOURCE -std=c99 -Wall -O3 -E -o ./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c check_host_cc BEGIN ./ffconf.msrlBw30.c 1 #include <time.h> 2 void *v = localtime_r; END ./ffconf.msrlBw30.c gcc -std=c99 -Wall -O3 -c -o ./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c check_compile_assert flt_lim float.h limits.h DBL_MAX == (double)DBL_MAX check_code cc float.h limits.h char c[2 * !!(DBL_MAX == (double)DBL_MAX) - 1] check_cc BEGIN ./ffconf.msrlBw30.c 1 #include <float.h> 2 #include <limits.h> 3 int main(void) { char c[2 * !!(DBL_MAX == (double)DBL_MAX) - 1]; return 0; } END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c check_cpp_condition stdlib.h defined(__PIC__) || defined(__pic__) || defined(PIC) check_cpp BEGIN ./ffconf.msrlBw30.c 1 #include <stdlib.h> 2 #if !(defined(__PIC__) || defined(__pic__) || defined(PIC)) 3 #error "unsatisfied condition: defined(__PIC__) || defined(__pic__) || defined(PIC)" 4 #endif END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -P -Fi./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(3): fatal error C1189: #error: "unsatisfied condition: defined(__PIC__) || defined(__pic__) || defined(PIC)" check_cflags -fomit-frame-pointer test_cflags -fomit-frame-pointer check_cc BEGIN ./ffconf.msrlBw30.c 1 int x; END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c check_cc BEGIN ./ffconf.msrlBw30.c 1 int ff_extern; END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c check_cc BEGIN ./ffconf.msrlBw30.c 1 void foo(void) { __asm__ volatile ("" ::); } END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): error C2065: '__asm__': undeclared identifier ./ffconf.msrlBw30.c(1): error C2143: syntax error: missing ';' before 'volatile' check_cc BEGIN ./ffconf.msrlBw30.c 1 void foo(char * restrict p); END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): error C2146: syntax error: missing ')' before identifier 'p' ./ffconf.msrlBw30.c(1): error C2061: syntax error: identifier 'p' ./ffconf.msrlBw30.c(1): error C2059: syntax error: ';' ./ffconf.msrlBw30.c(1): error C2059: syntax error: ')' check_cc BEGIN ./ffconf.msrlBw30.c 1 void foo(char * __restrict__ p); END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): error C2146: syntax error: missing ')' before identifier 'p' ./ffconf.msrlBw30.c(1): error C2061: syntax error: identifier 'p' ./ffconf.msrlBw30.c(1): error C2059: syntax error: ';' ./ffconf.msrlBw30.c(1): error C2059: syntax error: ')' check_cc BEGIN ./ffconf.msrlBw30.c 1 void foo(char * __restrict p); END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c check_cc BEGIN ./ffconf.msrlBw30.c 1 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") } END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): error C2143: syntax error: missing ';' before '}' check_cc BEGIN ./ffconf.msrlBw30.c 1 struct { int x; } __attribute__((packed)) x; END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): error C2143: syntax error: missing ')' before '(' ./ffconf.msrlBw30.c(1): error C2059: syntax error: ')' ./ffconf.msrlBw30.c(1): error C2146: syntax error: missing ')' before identifier 'x' ./ffconf.msrlBw30.c(1): error C2091: function returns function ./ffconf.msrlBw30.c(1): error C2061: syntax error: identifier 'x' ./ffconf.msrlBw30.c(1): error C2059: syntax error: ';' check_cc BEGIN ./ffconf.msrlBw30.c 1 union { int x; } __attribute__((may_alias)) x; END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c ./ffconf.msrlBw30.c(1): error C2143: syntax error: missing ')' before '(' ./ffconf.msrlBw30.c(1): error C2059: syntax error: ')' ./ffconf.msrlBw30.c(1): error C2146: syntax error: missing ')' before identifier 'x' ./ffconf.msrlBw30.c(1): error C2091: function returns function ./ffconf.msrlBw30.c(1): error C2061: syntax error: identifier 'x' ./ffconf.msrlBw30.c(1): error C2059: syntax error: ';' check_cc BEGIN ./ffconf.msrlBw30.c 1 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E'; END ./ffconf.msrlBw30.c cl -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -MD -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -c -Fo./ffconf.jDwMu4Wi.o ./ffconf.msrlBw30.c ffconf.msrlBw30.c gas-preprocessor.pl -arch arm -as-type armasm -- armasm -h /usr/bin/env: 'perl': No such file or directory check_gas using 'armasm' as AS check_as BEGIN ./ffconf.G3CUiJqG.S 1 .macro m n, y:vararg=0 2 \n: .int \y 3 .endm 4 m x END ./ffconf.G3CUiJqG.S armasm -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -ignore 4509 -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -march=armv7 -c -o ./ffconf.jDwMu4Wi.o ./ffconf.G3CUiJqG.S error A2029: unknown command-line argument or argument value -D_ISOC99_SOURCE Usage: armasm [<options>] sourcefile objectfile armasm [<options>] -o objectfile sourcefile armasm -h for help check_gas using 'armasm' as AS check_as BEGIN ./ffconf.G3CUiJqG.S 1 .macro m n, y:vararg=0 2 \n: .int \y 3 .endm 4 m x END ./ffconf.G3CUiJqG.S armasm -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -nologo -ignore 4509 -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WIN32_WINNT=0x0A00 -D__ARM_PCS_VFP -march=armv7 -c -o ./ffconf.jDwMu4Wi.o ./ffconf.G3CUiJqG.S error A2029: unknown command-line argument or argument value -D_ISOC99_SOURCE Usage: armasm [<options>] sourcefile objectfile armasm [<options>] -o objectfile sourcefile armasm -h for help GNU assembler not found, install/update gas-preprocessor



求解答，这个是vs2015 update3和ffmepeg不兼容还是FFmpeg那边的问题，FFmpeg是最新的3.2.2版本，有何解决方案？