From 08088411259056f63774befb2d00951fdd5c46ba Mon Sep 17 00:00:00 2001
From: "Timothy B. Terriberry" <territim@amazon.com>
Date: Wed, 6 Jul 2022 15:23:12 -0700
Subject: Only build platform RTCD sources when enabled.

To avoid issues with empty compilation units.
---
 configure.ac | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index e2c88ed1..1d426f27 100644
--- a/configure.ac
+++ b/configure.ac
@@ -195,6 +195,7 @@ AC_ARG_ENABLE([intrinsics],
 
 rtcd_support=no
 cpu_arm=no
+cpu_x86=no
 
 AS_IF([test x"${enable_asm}" = x"yes"],[
     inline_optimization="No inline ASM for your platform, please send patches"
@@ -535,6 +536,7 @@ AS_IF([test x"$enable_intrinsics" = x"yes"],[
    ],
    [i?86|x86_64],
    [
+      cpu_x86=yes
       OPUS_CHECK_INTRINSICS(
          [SSE],
          [$X86_SSE_CFLAGS],
@@ -744,6 +746,7 @@ AM_CONDITIONAL([HAVE_ARM_NEON_INTR],
     [test x"$OPUS_ARM_MAY_HAVE_NEON_INTR" = x"1"])
 AM_CONDITIONAL([HAVE_ARM_NE10],
     [test x"$HAVE_ARM_NE10" = x"1"])
+AM_CONDITIONAL([CPU_X86], [test "$cpu_x86" = "yes"])
 AM_CONDITIONAL([HAVE_SSE],
     [test x"$OPUS_X86_MAY_HAVE_SSE" = x"1"])
 AM_CONDITIONAL([HAVE_SSE2],
@@ -753,6 +756,8 @@ AM_CONDITIONAL([HAVE_SSE4_1],
 AM_CONDITIONAL([HAVE_AVX],
     [test x"$OPUS_X86_MAY_HAVE_AVX" = x"1"])
 
+AM_CONDITIONAL([HAVE_RTCD],
+ [test x"$enable_rtcd" = x"yes" -a x"$rtcd_support" != x"no"])
 AS_IF([test x"$enable_rtcd" = x"yes"],[
     AS_IF([test x"$rtcd_support" != x"no"],[
         AC_DEFINE([OPUS_HAVE_RTCD], [1],
-- 
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