Merge "third_party/libyuv: update to a37e7bfe"

[libvpx] / build / make / configure.sh

diff --git a/build/make/configure.sh b/build/make/configure.sh
index a6c76612fcf596a670fc2ada64ad24a11fd2e757..746b32583fbbe3ea989358806af1efd2da0a7747 100644 (file)
--- a/build/make/configure.sh
+++ b/build/make/configure.sh
@@ -319,6 +319,12 @@ check_ld() {
     && check_cmd ${LD} ${LDFLAGS} "$@" -o ${TMP_X} ${TMP_O} ${extralibs}
 }
 
+check_lib() {
+  log check_lib "$@"
+  check_cc $@ \
+    && check_cmd ${LD} ${LDFLAGS} -o ${TMP_X} ${TMP_O} "$@" ${extralibs}
+}
+
 check_header(){
   log check_header "$@"
   header=$1
@@ -420,6 +426,26 @@ check_gcc_machine_options() {
   fi
 }
 
+check_gcc_avx512_compiles() {
+  if disabled gcc; then
+    return
+  fi
+
+  check_cc -mavx512f <<EOF
+#include <immintrin.h>
+void f(void) {
+  __m512i x = _mm512_set1_epi16(0);
+  (void)x;
+}
+EOF
+  compile_result=$?
+  if [ ${compile_result} -ne 0 ]; then
+    log_echo "    disabling avx512: not supported by compiler"
+    disable_feature avx512
+    RTCD_OPTIONS="${RTCD_OPTIONS}--disable-avx512 "
+  fi
+}
+
 write_common_config_banner() {
   print_webm_license config.mk "##" ""
   echo '# This file automatically generated by configure. Do not edit!' >> config.mk
@@ -713,11 +739,8 @@ process_common_toolchain() {
       *sparc*)
         tgt_isa=sparc
         ;;
-      power*64*-*)
-        tgt_isa=ppc64
-        ;;
-      power*)
-        tgt_isa=ppc
+      power*64le*-*)
+        tgt_isa=ppc64le
         ;;
       *mips64el*)
         tgt_isa=mips64
@@ -829,7 +852,7 @@ process_common_toolchain() {
     IOS_VERSION_MIN="8.0"
   else
     IOS_VERSION_OPTIONS=""
-    IOS_VERSION_MIN="6.0"
+    IOS_VERSION_MIN="7.0"
   fi
 
   # Handle darwin variants. Newer SDKs allow targeting older
@@ -1200,6 +1223,11 @@ EOF
         esac
 
         if enabled msa; then
+          # TODO(libyuv:793)
+          # The new mips functions in libyuv do not build
+          # with the toolchains we currently use for testing.
+          soft_disable libyuv
+
           add_cflags -mmsa
           add_asflags -mmsa
           add_ldflags -mmsa
@@ -1215,7 +1243,7 @@ EOF
       check_add_asflags -march=${tgt_isa}
       check_add_asflags -KPIC
       ;;
-    ppc*)
+    ppc64le*)
       link_with_cc=gcc
       setup_gnu_toolchain
       check_gcc_machine_option "vsx"
@@ -1330,6 +1358,7 @@ EOF
         else
           if [ "$ext" = "avx512" ]; then
             check_gcc_machine_options $ext avx512f avx512cd avx512bw avx512dq avx512vl
+            check_gcc_avx512_compiles
           else
             # use the shortened version for the flag: sse4_1 -> sse4
             check_gcc_machine_option ${ext%_*} $ext
@@ -1485,7 +1514,11 @@ EOF
         # bionic includes basic pthread functionality, obviating -lpthread.
         ;;
       *)
-        check_header pthread.h && add_extralibs -lpthread
+        check_header pthread.h && check_lib -lpthread <<EOF && add_extralibs -lpthread || disable_feature pthread_h
+#include <pthread.h>
+#include <stddef.h>
+int main(void) { return pthread_create(NULL, NULL, NULL, NULL); }
+EOF
         ;;
     esac
   fi