build: Drop support for legacy TI ARM compiler

compat/tms470/math.h

-/*
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef LIBAV_COMPAT_TMS470_MATH_H
-#define LIBAV_COMPAT_TMS470_MATH_H
-
-#include_next <math.h>
-
-#undef INFINITY
-#undef NAN
-
-#define INFINITY (*(const float*)((const unsigned []){ 0x7f800000 }))
-#define NAN      (*(const float*)((const unsigned []){ 0x7fc00000 }))
-
-#endif /* LIBAV_COMPAT_TMS470_MATH_H */

configure

@@ -3220,35 +3220,6 @@ suncc_flags(){
     done
 }
 
-tms470_flags(){
-    for flag; do
-        case $flag in
-            -march=*|-mcpu=*)
-                case "${flag#*=}" in
-                    armv7-a|cortex-a*)      echo -mv=7a8 ;;
-                    armv7-r|cortex-r*)      echo -mv=7r4 ;;
-                    armv7-m|cortex-m*)      echo -mv=7m3 ;;
-                    armv6*|arm11*)          echo -mv=6   ;;
-                    armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
-                                            echo -mv=5e  ;;
-                    armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
-                esac
-                ;;
-            -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
-            -mfpu=vfp)      echo --float_support=vfpv2        ;;
-            -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
-            -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
-            -msoft-float)   echo --float_support=vfplib       ;;
-            -O[0-3]|-mf=*)  echo $flag                        ;;
-            -g)             echo -g -mn                       ;;
-            -pds=*)         echo $flag                        ;;
-            -D*|-I*)        echo $flag                        ;;
-            --gcc|--abi=*)  echo $flag                        ;;
-            -me)            echo $flag                        ;;
-        esac
-    done
-}
-
 probe_cc(){
     pfx=$1
     _cc=$2
@@ -3305,16 +3276,6 @@ probe_cc(){
         _depflags='-MMD'
         _cflags_speed='-O3'
         _cflags_size='-Os'
-    elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
-        _type=tms470
-        _ident=$($_cc -version | head -n1 | tr -s ' ')
-        _flags='--gcc --abi=eabi -me'
-        _cc_e='-ppl -fe=$@'
-        _cc_o='-fe=$@'
-        _depflags='-ppa -ppd=$(@:.o=.d)'
-        _cflags_speed='-O3 -mf=5'
-        _cflags_size='-O3 -mf=2'
-        _flags_filter=tms470_flags
     elif $_cc -v 2>&1 | grep -q clang; then
         _type=clang
         _ident=$($_cc --version 2>/dev/null | head -n1)
@@ -3497,9 +3458,6 @@ fi
 if $ar 2>&1 | grep -q Microsoft; then
     arflags="-nologo"
     ar_o='-out:$@'
-elif $ar 2>&1 | grep -q 'Texas Instruments'; then
-    arflags="rq"
-    ar_o='$@'
 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
     arflags='-Xany -r -c'
     ar_o='$@'
@@ -3518,10 +3476,6 @@ if test -n "$sysroot"; then
             add_cppflags --sysroot="$sysroot"
             add_ldflags --sysroot="$sysroot"
         ;;
-        tms470)
-            add_cppflags -I"$sysinclude"
-            add_ldflags  --sysroot="$sysroot"
-        ;;
     esac
 fi
 
@@ -4179,15 +4133,6 @@ case $libc_type in
     bionic)
         add_compat strtod.o strtod=avpriv_strtod
         ;;
-    glibc)
-        if enabled tms470; then
-            CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
-            add_cppflags -D__USER_LABEL_PREFIX__=
-            add_cppflags -D__builtin_memset=memset
-            add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
-            add_cflags   -pds=48    # incompatible redefinition of macro
-        fi
-        ;;
 esac
 
 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
@@ -5030,9 +4975,6 @@ elif enabled armcc; then
     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
-elif enabled tms470; then
-    add_cflags -pds=824 -pds=837
-    disable inline_asm
 elif enabled pathscale; then
     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
     disable inline_asm

libavutil/intreadwrite.h

@@ -183,7 +183,7 @@ typedef union {
  * by per-arch headers.
  */
 
-#if defined(__GNUC__) && !defined(__TI_COMPILER_VERSION__)
+#if defined(__GNUC__)
 
 union unaligned_64 { uint64_t l; } __attribute__((packed)) av_alias;
 union unaligned_32 { uint32_t l; } __attribute__((packed)) av_alias;

libavutil/mem.h

@@ -41,13 +41,6 @@
 #if defined(__ICC) && __ICC < 1200 || defined(__SUNPRO_C)
     #define DECLARE_ALIGNED(n,t,v)      t __attribute__ ((aligned (n))) v
     #define DECLARE_ASM_CONST(n,t,v)    const t __attribute__ ((aligned (n))) v
-#elif defined(__TI_COMPILER_VERSION__)
-    #define DECLARE_ALIGNED(n,t,v)                      \
-        AV_PRAGMA(DATA_ALIGN(v,n))                      \
-        t __attribute__((aligned(n))) v
-    #define DECLARE_ASM_CONST(n,t,v)                    \
-        AV_PRAGMA(DATA_ALIGN(v,n))                      \
-        static const t __attribute__((aligned(n))) v
 #elif defined(__GNUC__) || defined(__clang__)
     #define DECLARE_ALIGNED(n,t,v)      t __attribute__ ((aligned (n))) v
     #define DECLARE_ASM_CONST(n,t,v)    static const t av_used __attribute__ ((aligned (n))) v