@@ -1491,6 +1491,12 @@ if test "$?" != 0; then

     die "C compiler test failed."

 fi

+check_cc <<EOF || die "Symbol mangling check failed."

+int ff_extern;

+EOF

+sym=$(nm -P $TMPO)

+extern_prefix=${sym%%ff_extern*}

+

 check_asm inline_asm '""'

 if enabled x86; then

@@ -2070,6 +2076,7 @@ enabled asmalign_pot &&

     printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||

     printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH

+echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH

 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

@@ -119,18 +119,10 @@

 #endif

 // Use rip-relative addressing if compiling PIC code on x86-64.

-#if defined(__MINGW32__) || defined(__CYGWIN__) || defined(__DJGPP__) || \

-    defined(__OS2__) || defined(__APPLE__) || \

-    (defined (__OpenBSD__) && !defined(__ELF__))

-#    if defined(ARCH_X86_64) && defined(PIC)

-#        define MANGLE(a) "_" #a"(%%rip)"

-#    else

-#        define MANGLE(a) "_" #a

-#    endif

-#elif defined(ARCH_X86_64) && defined(PIC)

-#    define MANGLE(a) #a"(%%rip)"

+#if defined(ARCH_X86_64) && defined(PIC)

+#    define MANGLE(a) EXTERN_PREFIX #a"(%%rip)"

 #else

-#    define MANGLE(a) #a

+#    define MANGLE(a) EXTERN_PREFIX #a

 #endif

 /* debug stuff */