shithub: libvpx

Info  •  Files  •  Log  •  Branches

Delay SSE check until the compiler is configured.

Move SSE4 detection below compiler configuration. Otherwise ${CC} may
not be populated.

We are specifically interested in -msse4.1. Narrow detection code.

Change-Id: I0ffac49e91b3fdb2aceb6eb6b90dc1c10b159111

--- a/build/make/configure.sh

+++ b/build/make/configure.sh

@@ -1011,11 +1011,6 @@

         soft_enable sse2

         soft_enable sse3

         soft_enable ssse3

-        if enabled gcc && ! disabled sse4_1 && ! check_cflags -msse4; then

-            RTCD_OPTIONS="${RTCD_OPTIONS}--disable-sse4_1 "

-        else

-            soft_enable sse4_1

-        fi

         case  ${tgt_os} in

             win*)

@@ -1057,7 +1052,7 @@

                 add_ldflags -m${bits}

                 link_with_cc=gcc

                 tune_cflags="-march="

-            setup_gnu_toolchain

+                setup_gnu_toolchain

                 #for 32 bit x86 builds, -O3 did not turn on this flag

                 enabled optimizations && check_add_cflags -fomit-frame-pointer

             ;;

@@ -1068,6 +1063,14 @@

                 AS=msvs

             ;;

         esac

+

+        # We can't use 'check_cflags' until the compiler is configured and CC is

+        # populated.

+        if enabled gcc && ! disabled sse4_1 && ! check_cflags -msse4.1; then

+            RTCD_OPTIONS="${RTCD_OPTIONS}--disable-sse4_1 "

+        else

+            soft_enable sse4_1

+        fi

         case "${AS}" in

             auto|"")

-- 

⑨