libeigen,opencv,ceres-solver: Disable altivec on ppc32

It does not compile with altivec

TOPDIR/build/tmp/work/ppc7400-yoe-linux-musl/opencv/4.5.5-r0/recipe-sysroot/usr/include/eigen3/Eigen/src/Core/arch/AltiVec/PacketMath.h:1345:32: error: use of undeclared identifier 'vec_sqrt'; did you mean 'vec_rsqrt'?
  BF16_TO_F32_UNARY_OP_WRAPPER(vec_sqrt, a);
                               ^~~~~~~~
                               vec_rsqrt

Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/conf/nonclangable.conf b/conf/nonclangable.conf
index 60f052d..ecf5fb6 100644
--- a/conf/nonclangable.conf
+++ b/conf/nonclangable.conf
@@ -304,6 +304,15 @@ TUNE_CCARGS:remove:pn-pipewire:toolchain-clang = "-Qunused-arguments"
 TUNE_CCARGS:remove:pn-tesseract:toolchain-clang = "-Qunused-arguments"
 TUNE_CCARGS:remove:pn-pulseaudio:toolchain-clang = "-Qunused-arguments"
 
+# Disable altivec on ppc32
+#/usr/include/eigen3/Eigen/src/Core/arch/AltiVec/PacketMath.h:1345:32: error: use of undeclared identifier 'vec_sqrt'; did you mean 'vec_rsqrt'?
+#  BF16_TO_F32_UNARY_OP_WRAPPER(vec_sqrt, a);
+#                               ^~~~~~~~
+#                               vec_rsqrt
+TUNE_CCARGS:pn-ceres-solver:append:toolchain-clang:powerpc = " -mno-altivec"
+TUNE_CCARGS:pn-opencv:append:toolchain-clang:powerpc = " -mno-altivec"
+CXXFLAGS:pn-libeigen:append:toolchain-clang:powerpc = " -DEIGEN_ALTIVEC_DISABLE_MMA"
+
 #| /usr/src/debug/ruby/2.5.1-r0/build/../ruby-2.5.1/process.c:7073: undefined reference to `__mulodi4'
 #| clang-7: error: linker command failed with exit code 1 (use -v to see invocation)
 COMPILER_RT:pn-ruby:toolchain-clang:runtime-gnu = "-rtlib=compiler-rt ${UNWINDLIB}"