Tell Appveyor and Travis to use BinaryBuilder OpenBLAS

Also allow the build system to auto-guess the triplet

.travis.yml

@@ -76,8 +76,8 @@ before_install:
         brew tap staticfloat/julia > /dev/null;
         brew rm --force $(brew deps --HEAD julia);
         brew install -v ccache gcc gmp mpfr pcre2 staticfloat/julia/openblas-julia staticfloat/julia/suite-sparse-julia staticfloat/juliadeps/libgfortran;
-        BUILDOPTS="-j3 USECLANG=1 USECCACHE=1 BINARYBUILDER_TRIPLET=x86_64-apple-darwin14 BINARYBUILDER_LLVM_ASSERTS=1";
-        BUILDOPTS="$BUILDOPTS USE_BINARYBUILDER_LLVM=1 LLVM_CONFIG=$TRAVIS_BUILD_DIR/usr/tools/llvm-config LLVM_SIZE=$TRAVIS_BUILD_DIR/usr/tools/llvm-size";
+        BUILDOPTS="-j3 USECLANG=1 USECCACHE=1 USE_BINARYBUILDER_LLVM=1 USE_BINARYBUILDER_OPENBLAS=1 BINARYBUILDER_LLVM_ASSERTS=1";
+        BUILDOPTS="$BUILDOPTS LLVM_CONFIG=$TRAVIS_BUILD_DIR/usr/tools/llvm-config LLVM_SIZE=$TRAVIS_BUILD_DIR/usr/tools/llvm-size";
         BUILDOPTS="$BUILDOPTS VERBOSE=1 USE_BLAS64=0 SUITESPARSE_INC=-I$(brew --prefix suite-sparse-julia)/include FORCE_ASSERTIONS=1";
         BUILDOPTS="$BUILDOPTS LIBBLAS=-lopenblas LIBBLASNAME=libopenblas LIBLAPACK=-lopenblas LIBLAPACKNAME=libopenblas";
         for lib in SUITESPARSE BLAS LAPACK GMP MPFR LIBUNWIND; do

contrib/windows/appveyor_build.sh

@@ -45,15 +45,13 @@ if [ "$ARCH" = x86_64 ]; then
   echo 'USE_BLAS64 = 1' >> Make.user
   echo 'LIBBLAS = -L$(JULIAHOME)/usr/bin -lopenblas64_' >> Make.user
   echo 'LIBBLASNAME = libopenblas64_' >> Make.user
-  echo 'BINARYBUILDER_TRIPLET = x86_64-w64-mingw32' >> Make.user
 else
   bits=32
   archsuffix=86
   exc=sjlj
   echo "override MARCH = pentium4" >> Make.user
   echo 'LIBBLAS = -L$(JULIAHOME)/usr/bin -lopenblas' >> Make.user
   echo 'LIBBLASNAME = libopenblas' >> Make.user
-  echo 'BINARYBUILDER_TRIPLET = i686-w64-mingw32' >> Make.user
 fi
 echo "override JULIA_CPU_TARGET=generic;native" >> Make.user
 
@@ -198,6 +196,7 @@ if [ -n "$USEMSVC" ]; then
 else
   # Use BinaryBuilder
   echo 'USE_BINARYBUILDER_LLVM = 1' >> Make.user
+  echo 'USE_BINARYBUILDER_OPENBLAS = 1' >> Make.user
   echo 'BINARYBUILDER_LLVM_ASSERTS = 1' >> Make.user
   echo 'override DEP_LIBS += llvm openlibm' >> Make.user
   export CCACHE_DIR=/cygdrive/c/ccache